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Overview
Comment:Merge all the enhancements and bug fixes from trunk, since none are destablizing. Call this the second beta.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | branch-3.21
Files: files | file ages | folders
SHA3-256: fb3ee1b7cac09e4950e4f48b44c277e4f391cb6c8f069644732d2389ca653da4
User & Date: drh 2017-10-21 17:17:17
Context
2017-10-22
07:58
Avoid running tests that use sqlite_dbpage with SQLITE_OMIT_VIRTUAL_TABLE builds. check-in: 6dde8d61 user: dan tags: branch-3.21
2017-10-21
17:17
Merge all the enhancements and bug fixes from trunk, since none are destablizing. Call this the second beta. check-in: fb3ee1b7 user: drh tags: branch-3.21
14:17
Catch and avoid a 16-bit integer overflow on the number of columns in a common table expression. This fixes a problem found by OSS-Fuzz. The test case is in TH3. check-in: 6ee8cb6a user: drh tags: trunk
2017-10-14
19:58
Updates to the Makefiles for MSVC. Cherrypick of [ac8786f3f9f35cb6]. check-in: 92eb721f user: mistachkin tags: branch-3.21
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.in.

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USE_AMALGAMATION = @USE_AMALGAMATION@

# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
         callback.lo complete.lo ctime.lo date.lo dbstat.lo delete.lo \

         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo \
         fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
	 fts5.lo \
         func.lo global.lo hash.lo \
................................................................................
  $(TOP)/src/btree.h \
  $(TOP)/src/btreeInt.h \
  $(TOP)/src/build.c \
  $(TOP)/src/callback.c \
  $(TOP)/src/complete.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \

  $(TOP)/src/dbstat.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/fault.c \
  $(TOP)/src/fkey.c \
  $(TOP)/src/func.c \
  $(TOP)/src/global.c \
................................................................................
  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \

  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \

  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c       \
  $(TOP)/ext/fts3/fts3_term.c \
  $(TOP)/ext/fts3/fts3_test.c  \
................................................................................
  $(TOP)/src/attach.c \
  $(TOP)/src/backup.c \
  $(TOP)/src/bitvec.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/build.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \

  $(TOP)/src/dbstat.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/wal.c \
  $(TOP)/src/main.c \
  $(TOP)/src/mem5.c \
................................................................................
# Extra compiler options for various shell tools
#
SHELL_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4
# SHELL_OPT += -DSQLITE_ENABLE_FTS5
SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB


FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5 -DSQLITE_OSS_FUZZ
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
FUZZCHECK_SRC = $(TOP)/test/fuzzcheck.c $(TOP)/test/ossfuzz.c
DBFUZZ_OPT = 

# This is the default Makefile target.  The objects listed here
................................................................................

ctime.lo:	$(TOP)/src/ctime.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/ctime.c

date.lo:	$(TOP)/src/date.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/date.c




dbstat.lo:	$(TOP)/src/dbstat.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/dbstat.c

delete.lo:	$(TOP)/src/delete.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/delete.c

expr.lo:	$(TOP)/src/expr.c $(HDR)
................................................................................
whereexpr.lo:	$(TOP)/src/whereexpr.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/whereexpr.c

tclsqlite.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DUSE_TCL_STUBS=1 -c $(TOP)/src/tclsqlite.c

tclsqlite-shell.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DTCLSH=1 -o $@ -c $(TOP)/src/tclsqlite.c

tclsqlite-stubs.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DUSE_TCL_STUBS=1 -o $@ -c $(TOP)/src/tclsqlite.c

tclsqlite3$(TEXE):	tclsqlite-shell.lo libsqlite3.la
	$(LTLINK) -o $@ tclsqlite-shell.lo \
		 libsqlite3.la $(LIBTCL)
................................................................................
# Rules to build the 'testfixture' application.
#
# If using the amalgamation, use sqlite3.c directly to build the test
# fixture.  Otherwise link against libsqlite3.la.  (This distinction is
# necessary because the test fixture requires non-API symbols which are
# hidden when the library is built via the amalgamation).
#
TESTFIXTURE_FLAGS  = -DTCLSH=1 -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1

TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 
TESTFIXTURE_FLAGS += -DBUILD_sqlite
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB


TESTFIXTURE_SRC0 = $(TESTSRC2) libsqlite3.la
TESTFIXTURE_SRC1 = sqlite3.c
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)/src/tclsqlite.c
TESTFIXTURE_SRC += $(TESTFIXTURE_SRC$(USE_AMALGAMATION))

testfixture$(TEXE):	$(TESTFIXTURE_SRC)
................................................................................
# A very fast test that checks basic sanity.  The name comes from
# the 60s-era electronics testing:  "Turn it on and see if smoke
# comes out."
#
smoketest:	$(TESTPROGS) fuzzcheck$(TEXE)
	./testfixture$(TEXE) $(TOP)/test/main.test $(TESTOPTS)

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	$(TCLSH_CMD) $(TOP)/tool/tostr.tcl $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(TEXE): sqlite3_analyzer.c
	$(LTLINK) sqlite3_analyzer.c -o $@ $(LIBTCL) $(TLIBS)

dbdump$(TEXE): $(TOP)/ext/misc/dbdump.c sqlite3.lo
	$(LTLINK) -DDBDUMP_STANDALONE -o $@ \
           $(TOP)/ext/misc/dbdump.c sqlite3.lo $(TLIBS)







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USE_AMALGAMATION = @USE_AMALGAMATION@

# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
         callback.lo complete.lo ctime.lo \
         date.lo dbpage.lo dbstat.lo delete.lo \
         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo \
         fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
	 fts5.lo \
         func.lo global.lo hash.lo \
................................................................................
  $(TOP)/src/btree.h \
  $(TOP)/src/btreeInt.h \
  $(TOP)/src/build.c \
  $(TOP)/src/callback.c \
  $(TOP)/src/complete.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \
  $(TOP)/src/dbpage.c \
  $(TOP)/src/dbstat.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/fault.c \
  $(TOP)/src/fkey.c \
  $(TOP)/src/func.c \
  $(TOP)/src/global.c \
................................................................................
  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \
  $(TOP)/src/test_md5.c \
  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \
  $(TOP)/src/test_tclsh.c \
  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c       \
  $(TOP)/ext/fts3/fts3_term.c \
  $(TOP)/ext/fts3/fts3_test.c  \
................................................................................
  $(TOP)/src/attach.c \
  $(TOP)/src/backup.c \
  $(TOP)/src/bitvec.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/build.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \
  $(TOP)/src/dbpage.c \
  $(TOP)/src/dbstat.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/wal.c \
  $(TOP)/src/main.c \
  $(TOP)/src/mem5.c \
................................................................................
# Extra compiler options for various shell tools
#
SHELL_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4
# SHELL_OPT += -DSQLITE_ENABLE_FTS5
SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB
SHELL_OPT += -DSQLITE_ENABLE_DBPAGE_VTAB
SHELL_OPT += -DSQLITE_ENABLE_DBSTAT_VTAB
FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5 -DSQLITE_OSS_FUZZ
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
FUZZCHECK_SRC = $(TOP)/test/fuzzcheck.c $(TOP)/test/ossfuzz.c
DBFUZZ_OPT = 

# This is the default Makefile target.  The objects listed here
................................................................................

ctime.lo:	$(TOP)/src/ctime.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/ctime.c

date.lo:	$(TOP)/src/date.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/date.c

dbpage.lo:	$(TOP)/src/dbpage.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/dbpage.c

dbstat.lo:	$(TOP)/src/dbstat.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/dbstat.c

delete.lo:	$(TOP)/src/delete.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/delete.c

expr.lo:	$(TOP)/src/expr.c $(HDR)
................................................................................
whereexpr.lo:	$(TOP)/src/whereexpr.c $(HDR)
	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/whereexpr.c

tclsqlite.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DUSE_TCL_STUBS=1 -c $(TOP)/src/tclsqlite.c

tclsqlite-shell.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DTCLSH -o $@ -c $(TOP)/src/tclsqlite.c

tclsqlite-stubs.lo:	$(TOP)/src/tclsqlite.c $(HDR)
	$(LTCOMPILE) -DUSE_TCL_STUBS=1 -o $@ -c $(TOP)/src/tclsqlite.c

tclsqlite3$(TEXE):	tclsqlite-shell.lo libsqlite3.la
	$(LTLINK) -o $@ tclsqlite-shell.lo \
		 libsqlite3.la $(LIBTCL)
................................................................................
# Rules to build the 'testfixture' application.
#
# If using the amalgamation, use sqlite3.c directly to build the test
# fixture.  Otherwise link against libsqlite3.la.  (This distinction is
# necessary because the test fixture requires non-API symbols which are
# hidden when the library is built via the amalgamation).
#
TESTFIXTURE_FLAGS  = -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DTCLSH_INIT_PROC=sqlite3TestInit
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 
TESTFIXTURE_FLAGS += -DBUILD_sqlite
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_DBPAGE_VTAB

TESTFIXTURE_SRC0 = $(TESTSRC2) libsqlite3.la
TESTFIXTURE_SRC1 = sqlite3.c
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)/src/tclsqlite.c
TESTFIXTURE_SRC += $(TESTFIXTURE_SRC$(USE_AMALGAMATION))

testfixture$(TEXE):	$(TESTFIXTURE_SRC)
................................................................................
# A very fast test that checks basic sanity.  The name comes from
# the 60s-era electronics testing:  "Turn it on and see if smoke
# comes out."
#
smoketest:	$(TESTPROGS) fuzzcheck$(TEXE)
	./testfixture$(TEXE) $(TOP)/test/main.test $(TESTOPTS)

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl $(TOP)/tool/mkccode.tcl $(TOP)/tool/sqlite3_analyzer.c.in
	$(TCLSH_CMD) $(TOP)/tool/mkccode.tcl $(TOP)/tool/sqlite3_analyzer.c.in >sqlite3_analyzer.c







sqlite3_analyzer$(TEXE): sqlite3_analyzer.c
	$(LTLINK) sqlite3_analyzer.c -o $@ $(LIBTCL) $(TLIBS)

dbdump$(TEXE): $(TOP)/ext/misc/dbdump.c sqlite3.lo
	$(LTLINK) -DDBDUMP_STANDALONE -o $@ \
           $(TOP)/ext/misc/dbdump.c sqlite3.lo $(TLIBS)

Changes to Makefile.msc.

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###############################################################################

# <<mark>>
# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = vdbe.lo parse.lo alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
         callback.lo complete.lo ctime.lo date.lo dbstat.lo delete.lo \

         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
         fts5.lo \
         func.lo global.lo hash.lo \
         icu.lo insert.lo legacy.lo loadext.lo \
................................................................................
  $(TOP)\src\btmutex.c \
  $(TOP)\src\btree.c \
  $(TOP)\src\build.c \
  $(TOP)\src\callback.c \
  $(TOP)\src\complete.c \
  $(TOP)\src\ctime.c \
  $(TOP)\src\date.c \

  $(TOP)\src\dbstat.c \
  $(TOP)\src\delete.c \
  $(TOP)\src\expr.c \
  $(TOP)\src\fault.c \
  $(TOP)\src\fkey.c \
  $(TOP)\src\func.c \
  $(TOP)\src\global.c \
................................................................................
  $(TOP)\src\test_fs.c \
  $(TOP)\src\test_func.c \
  $(TOP)\src\test_hexio.c \
  $(TOP)\src\test_init.c \
  $(TOP)\src\test_intarray.c \
  $(TOP)\src\test_journal.c \
  $(TOP)\src\test_malloc.c \

  $(TOP)\src\test_multiplex.c \
  $(TOP)\src\test_mutex.c \
  $(TOP)\src\test_onefile.c \
  $(TOP)\src\test_osinst.c \
  $(TOP)\src\test_pcache.c \
  $(TOP)\src\test_quota.c \
  $(TOP)\src\test_rtree.c \
  $(TOP)\src\test_schema.c \
  $(TOP)\src\test_server.c \
  $(TOP)\src\test_superlock.c \
  $(TOP)\src\test_syscall.c \

  $(TOP)\src\test_tclvar.c \
  $(TOP)\src\test_thread.c \
  $(TOP)\src\test_vfs.c \
  $(TOP)\src\test_windirent.c \
  $(TOP)\src\test_wsd.c \
  $(TOP)\ext\fts3\fts3_term.c \
  $(TOP)\ext\fts3\fts3_test.c \
................................................................................
# <</mark>>

# Additional compiler options for the shell.  These are only effective
# when the shell is not being dynamically linked.
#
!IF $(DYNAMIC_SHELL)==0 && $(FOR_WIN10)==0
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_EXPLAIN_COMMENTS -DSQLITE_ENABLE_STMTVTAB

!ENDIF

# <<mark>>
# Extra compiler options for various test tools.
#
MPTESTER_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS5
FUZZERSHELL_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1
................................................................................

ctime.lo:	$(TOP)\src\ctime.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\ctime.c

date.lo:	$(TOP)\src\date.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\date.c




dbstat.lo:	$(TOP)\src\date.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\dbstat.c

delete.lo:	$(TOP)\src\delete.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\delete.c

expr.lo:	$(TOP)\src\expr.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\expr.c
................................................................................
whereexpr.lo:	$(TOP)\src\whereexpr.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\whereexpr.c

tclsqlite.lo:	$(TOP)\src\tclsqlite.c $(HDR) $(SQLITE_TCL_DEP)
	$(LTCOMPILE) $(NO_WARN) -DUSE_TCL_STUBS=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite-shell.lo:	$(TOP)\src\tclsqlite.c $(HDR) $(SQLITE_TCL_DEP)
	$(LTCOMPILE) $(NO_WARN) -DTCLSH=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite3.exe:	tclsqlite-shell.lo $(SQLITE3C) $(SQLITE3H) $(LIBRESOBJS)
	$(LTLINK) $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite-shell.lo $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)\tool\mkopcodec.tcl
................................................................................
# Rules to build the 'testfixture' application.
#
# If using the amalgamation, use sqlite3.c directly to build the test
# fixture.  Otherwise link against libsqlite3.lib.  (This distinction is
# necessary because the test fixture requires non-API symbols which are
# hidden when the library is built via the amalgamation).
#
TESTFIXTURE_FLAGS = -DTCLSH=1 -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERVER=1 -DSQLITE_PRIVATE=""
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_CORE $(NO_WARN)
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_ENABLE_STMTVTAB

TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) $(TEST_CCONV_OPTS)

TESTFIXTURE_SRC0 = $(TESTEXT) $(TESTSRC2)
TESTFIXTURE_SRC1 = $(TESTEXT) $(SQLITE3C)
!IF $(USE_AMALGAMATION)==0
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC0)
!ELSE
................................................................................
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\veryquick.test $(TESTOPTS)

smoketest:	$(TESTPROGS)
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\main.test $(TESTOPTS)

sqlite3_analyzer.c:	$(SQLITE3C) $(SQLITE3H) $(TOP)\src\tclsqlite.c $(TOP)\tool\spaceanal.tcl $(SQLITE_TCL_DEP)
	echo #define TCLSH 2 > $@
	echo #define SQLITE_ENABLE_DBSTAT_VTAB 1 >> $@
	copy $@ + $(SQLITE3C) + $(TOP)\src\tclsqlite.c $@
	echo static const char *tclsh_main_loop(void){ >> $@
	echo static const char *zMainloop = >> $@
	$(TCLSH_CMD) $(TOP)\tool\tostr.tcl $(TOP)\tool\spaceanal.tcl >> $@
	echo ; return zMainloop; } >> $@

sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) $(NO_WARN) -DBUILD_sqlite -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

dbdump.exe:	$(TOP)\ext\misc\dbdump.c $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) -DDBDUMP_STANDALONE $(TOP)\ext\misc\dbdump.c $(SQLITE3C) \







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###############################################################################

# <<mark>>
# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = vdbe.lo parse.lo alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
         callback.lo complete.lo ctime.lo \
         date.lo dbpage.lo dbstat.lo delete.lo \
         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
         fts5.lo \
         func.lo global.lo hash.lo \
         icu.lo insert.lo legacy.lo loadext.lo \
................................................................................
  $(TOP)\src\btmutex.c \
  $(TOP)\src\btree.c \
  $(TOP)\src\build.c \
  $(TOP)\src\callback.c \
  $(TOP)\src\complete.c \
  $(TOP)\src\ctime.c \
  $(TOP)\src\date.c \
  $(TOP)\src\dbpage.c \
  $(TOP)\src\dbstat.c \
  $(TOP)\src\delete.c \
  $(TOP)\src\expr.c \
  $(TOP)\src\fault.c \
  $(TOP)\src\fkey.c \
  $(TOP)\src\func.c \
  $(TOP)\src\global.c \
................................................................................
  $(TOP)\src\test_fs.c \
  $(TOP)\src\test_func.c \
  $(TOP)\src\test_hexio.c \
  $(TOP)\src\test_init.c \
  $(TOP)\src\test_intarray.c \
  $(TOP)\src\test_journal.c \
  $(TOP)\src\test_malloc.c \
  $(TOP)\src\test_md5.c \
  $(TOP)\src\test_multiplex.c \
  $(TOP)\src\test_mutex.c \
  $(TOP)\src\test_onefile.c \
  $(TOP)\src\test_osinst.c \
  $(TOP)\src\test_pcache.c \
  $(TOP)\src\test_quota.c \
  $(TOP)\src\test_rtree.c \
  $(TOP)\src\test_schema.c \
  $(TOP)\src\test_server.c \
  $(TOP)\src\test_superlock.c \
  $(TOP)\src\test_syscall.c \
  $(TOP)\src\test_tclsh.c \
  $(TOP)\src\test_tclvar.c \
  $(TOP)\src\test_thread.c \
  $(TOP)\src\test_vfs.c \
  $(TOP)\src\test_windirent.c \
  $(TOP)\src\test_wsd.c \
  $(TOP)\ext\fts3\fts3_term.c \
  $(TOP)\ext\fts3\fts3_test.c \
................................................................................
# <</mark>>

# Additional compiler options for the shell.  These are only effective
# when the shell is not being dynamically linked.
#
!IF $(DYNAMIC_SHELL)==0 && $(FOR_WIN10)==0
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_EXPLAIN_COMMENTS -DSQLITE_ENABLE_STMTVTAB
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_DBPAGE_VTAB -DSQLITE_ENABLE_DBSTAT_VTAB
!ENDIF

# <<mark>>
# Extra compiler options for various test tools.
#
MPTESTER_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS5
FUZZERSHELL_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1
................................................................................

ctime.lo:	$(TOP)\src\ctime.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\ctime.c

date.lo:	$(TOP)\src\date.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\date.c

dbpage.lo:	$(TOP)\src\dbpage.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\dbpage.c

dbstat.lo:	$(TOP)\src\dbstat.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\dbstat.c

delete.lo:	$(TOP)\src\delete.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\delete.c

expr.lo:	$(TOP)\src\expr.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\expr.c
................................................................................
whereexpr.lo:	$(TOP)\src\whereexpr.c $(HDR)
	$(LTCOMPILE) $(CORE_COMPILE_OPTS) -c $(TOP)\src\whereexpr.c

tclsqlite.lo:	$(TOP)\src\tclsqlite.c $(HDR) $(SQLITE_TCL_DEP)
	$(LTCOMPILE) $(NO_WARN) -DUSE_TCL_STUBS=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite-shell.lo:	$(TOP)\src\tclsqlite.c $(HDR) $(SQLITE_TCL_DEP)
	$(LTCOMPILE) $(NO_WARN) -DTCLSH -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite3.exe:	tclsqlite-shell.lo $(SQLITE3C) $(SQLITE3H) $(LIBRESOBJS)
	$(LTLINK) $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite-shell.lo $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)\tool\mkopcodec.tcl
................................................................................
# Rules to build the 'testfixture' application.
#
# If using the amalgamation, use sqlite3.c directly to build the test
# fixture.  Otherwise link against libsqlite3.lib.  (This distinction is
# necessary because the test fixture requires non-API symbols which are
# hidden when the library is built via the amalgamation).
#
TESTFIXTURE_FLAGS = -DTCLSH_INIT_PROC=sqlite3TestInit -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERVER=1 -DSQLITE_PRIVATE=""
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_CORE $(NO_WARN)
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_ENABLE_DBPAGE_VTAB
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) $(TEST_CCONV_OPTS)

TESTFIXTURE_SRC0 = $(TESTEXT) $(TESTSRC2)
TESTFIXTURE_SRC1 = $(TESTEXT) $(SQLITE3C)
!IF $(USE_AMALGAMATION)==0
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC0)
!ELSE
................................................................................
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\veryquick.test $(TESTOPTS)

smoketest:	$(TESTPROGS)
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\main.test $(TESTOPTS)

sqlite3_analyzer.c:	$(SQLITE3C) $(SQLITE3H) $(TOP)\src\tclsqlite.c $(TOP)\tool\spaceanal.tcl $(TOP)\tool\mkccode.tcl $(TOP)\tool\sqlite3_analyzer.c.in $(SQLITE_TCL_DEP)
	$(TCLSH_CMD) $(TOP)\tool\mkccode.tcl $(TOP)\tool\sqlite3_analyzer.c.in > $@







sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) $(NO_WARN) -DBUILD_sqlite -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

dbdump.exe:	$(TOP)\ext\misc\dbdump.c $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) -DDBDUMP_STANDALONE $(TOP)\ext\misc\dbdump.c $(SQLITE3C) \

Changes to autoconf/Makefile.msc.

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# Additional compiler options for the shell.  These are only effective
# when the shell is not being dynamically linked.
#
!IF $(DYNAMIC_SHELL)==0 && $(FOR_WIN10)==0
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_EXPLAIN_COMMENTS -DSQLITE_ENABLE_STMTVTAB

!ENDIF


# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	dll shell







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# Additional compiler options for the shell.  These are only effective
# when the shell is not being dynamically linked.
#
!IF $(DYNAMIC_SHELL)==0 && $(FOR_WIN10)==0
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_EXPLAIN_COMMENTS -DSQLITE_ENABLE_STMTVTAB
SHELL_COMPILE_OPTS = $(SHELL_COMPILE_OPTS) -DSQLITE_ENABLE_DBPAGE_VTAB -DSQLITE_ENABLE_DBSTAT_VTAB
!ENDIF


# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	dll shell

Added ext/repair/README.md.

































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This folder contains extensions and utility programs intended to analyze
live database files, detect problems, and possibly fix them.

As SQLite is being used on larger and larger databases, database sizes
are growing into the terabyte range.  At that size, hardware malfunctions
and/or cosmic rays will occasionally corrupt a database file.  Detecting 
problems and fixing errors a terabyte-sized databases can take hours or days,
and it is undesirable to take applications that depend on the databases 
off-line for such a long time.
The utilities in the folder are intended to provide mechanisms for
detecting and fixing problems in large databases while those databases
are in active use.

The utilities and extensions in this folder are experimental and under
active development at the time of this writing (2017-10-12).  If and when
they stabilize, this README will be updated to reflect that fact.

Added ext/repair/checkfreelist.c.























































































































































































































































































































































































































































































































































































































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/*
** 2017 October 11
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This module exports a single C function:
**
**   int sqlite3_check_freelist(sqlite3 *db, const char *zDb);
**
** This function checks the free-list in database zDb (one of "main", 
** "temp", etc.) and reports any errors by invoking the sqlite3_log()
** function. It returns SQLITE_OK if successful, or an SQLite error
** code otherwise. It is not an error if the free-list is corrupted but
** no IO or OOM errors occur.
**
** If this file is compiled and loaded as an SQLite loadable extension,
** it adds an SQL function "checkfreelist" to the database handle, to
** be invoked as follows:
**
**   SELECT checkfreelist(<database-name>);
**
** This function performs the same checks as sqlite3_check_freelist(),
** except that it returns all error messages as a single text value,
** separated by newline characters. If the freelist is not corrupted
** in any way, an empty string is returned.
**
** To compile this module for use as an SQLite loadable extension:
**
**   gcc -Os -fPIC -shared checkfreelist.c -o checkfreelist.so
*/

#include "sqlite3ext.h"
SQLITE_EXTENSION_INIT1

#ifndef SQLITE_AMALGAMATION
# include <string.h>
# include <stdio.h>
# include <stdlib.h>
# include <assert.h>
# define ALWAYS(X)  1
# define NEVER(X)   0
  typedef unsigned char u8;
  typedef unsigned short u16;
  typedef unsigned int u32;
#define get4byte(x) (        \
    ((u32)((x)[0])<<24) +    \
    ((u32)((x)[1])<<16) +    \
    ((u32)((x)[2])<<8) +     \
    ((u32)((x)[3]))          \
)
#endif

/*
** Execute a single PRAGMA statement and return the integer value returned
** via output parameter (*pnOut).
**
** The SQL statement passed as the third argument should be a printf-style
** format string containing a single "%s" which will be replace by the
** value passed as the second argument. e.g.
**
**   sqlGetInteger(db, "main", "PRAGMA %s.page_count", pnOut)
**
** executes "PRAGMA main.page_count" and stores the results in (*pnOut).
*/
static int sqlGetInteger(
  sqlite3 *db,                    /* Database handle */
  const char *zDb,                /* Database name ("main", "temp" etc.) */
  const char *zFmt,               /* SQL statement format */
  u32 *pnOut                      /* OUT: Integer value */
){
  int rc, rc2;
  char *zSql;
  sqlite3_stmt *pStmt = 0;
  int bOk = 0;

  zSql = sqlite3_mprintf(zFmt, zDb);
  if( zSql==0 ){
    rc = SQLITE_NOMEM;
  }else{
    rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0);
    sqlite3_free(zSql);
  }

  if( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
    *pnOut = (u32)sqlite3_column_int(pStmt, 0);
    bOk = 1;
  }

  rc2 = sqlite3_finalize(pStmt);
  if( rc==SQLITE_OK ) rc = rc2;
  if( rc==SQLITE_OK && bOk==0 ) rc = SQLITE_ERROR;
  return rc;
}

/*
** Argument zFmt must be a printf-style format string and must be 
** followed by its required arguments. If argument pzOut is NULL, 
** then the results of printf()ing the format string are passed to
** sqlite3_log(). Otherwise, they are appended to the string
** at (*pzOut).
*/
static int checkFreelistError(char **pzOut, const char *zFmt, ...){
  int rc = SQLITE_OK;
  char *zErr = 0;
  va_list ap;

  va_start(ap, zFmt);
  zErr = sqlite3_vmprintf(zFmt, ap);
  if( zErr==0 ){
    rc = SQLITE_NOMEM;
  }else{
    if( pzOut ){
      *pzOut = sqlite3_mprintf("%s%z%s", *pzOut?"\n":"", *pzOut, zErr);
      if( *pzOut==0 ) rc = SQLITE_NOMEM;
    }else{
      sqlite3_log(SQLITE_ERROR, "checkfreelist: %s", zErr);
    }
    sqlite3_free(zErr);
  }
  va_end(ap);
  return rc;
}

static int checkFreelist(
  sqlite3 *db, 
  const char *zDb,
  char **pzOut
){
  /* This query returns one row for each page on the free list. Each row has
  ** two columns - the page number and page content.  */
  const char *zTrunk = 
    "WITH freelist_trunk(i, d, n) AS ("
      "SELECT 1, NULL, sqlite_readint32(data, 32) "
      "FROM sqlite_dbpage(:1) WHERE pgno=1 "
        "UNION ALL "
      "SELECT n, data, sqlite_readint32(data) "
      "FROM freelist_trunk, sqlite_dbpage(:1) WHERE pgno=n "
    ")"
    "SELECT i, d FROM freelist_trunk WHERE i!=1;";

  int rc, rc2;                    /* Return code */
  sqlite3_stmt *pTrunk = 0;       /* Compilation of zTrunk */
  u32 nPage = 0;                  /* Number of pages in db */
  u32 nExpected = 0;              /* Expected number of free pages */
  u32 nFree = 0;                  /* Number of pages on free list */

  if( zDb==0 ) zDb = "main";

  if( (rc = sqlGetInteger(db, zDb, "PRAGMA %s.page_count", &nPage))
   || (rc = sqlGetInteger(db, zDb, "PRAGMA %s.freelist_count", &nExpected))
  ){
    return rc;
  }

  rc = sqlite3_prepare_v2(db, zTrunk, -1, &pTrunk, 0);
  if( rc!=SQLITE_OK ) return rc;
  sqlite3_bind_text(pTrunk, 1, zDb, -1, SQLITE_STATIC);
  while( rc==SQLITE_OK && sqlite3_step(pTrunk)==SQLITE_ROW ){
    u32 i;
    u32 iTrunk = (u32)sqlite3_column_int(pTrunk, 0);
    const u8 *aData = (const u8*)sqlite3_column_blob(pTrunk, 1);
    int nData = sqlite3_column_bytes(pTrunk, 1);
    u32 iNext = get4byte(&aData[0]);
    u32 nLeaf = get4byte(&aData[4]);

    if( nLeaf>((nData/4)-2-6) ){
      rc = checkFreelistError(pzOut, 
          "leaf count out of range (%d) on trunk page %d", 
          (int)nLeaf, (int)iTrunk
      );
      nLeaf = (nData/4) - 2 - 6;
    }

    nFree += 1+nLeaf;
    if( iNext>nPage ){
      rc = checkFreelistError(pzOut, 
          "trunk page %d is out of range", (int)iNext
      );
    }

    for(i=0; rc==SQLITE_OK && i<nLeaf; i++){
      u32 iLeaf = get4byte(&aData[8 + 4*i]);
      if( iLeaf==0 || iLeaf>nPage ){
        rc = checkFreelistError(pzOut,
            "leaf page %d is out of range (child %d of trunk page %d)", 
            (int)iLeaf, (int)i, (int)iTrunk
        );
      }
    }
  }

  if( rc==SQLITE_OK && nFree!=nExpected ){
    rc = checkFreelistError(pzOut,
        "free-list count mismatch: actual=%d header=%d", 
        (int)nFree, (int)nExpected
    );
  }

  rc2 = sqlite3_finalize(pTrunk);
  if( rc==SQLITE_OK ) rc = rc2;
  return rc;
}

int sqlite3_check_freelist(sqlite3 *db, const char *zDb){
  return checkFreelist(db, zDb, 0);
}

static void checkfreelist_function(
  sqlite3_context *pCtx,
  int nArg,
  sqlite3_value **apArg
){
  const char *zDb;
  int rc;
  char *zOut = 0;
  sqlite3 *db = sqlite3_context_db_handle(pCtx);

  assert( nArg==1 );
  zDb = (const char*)sqlite3_value_text(apArg[0]);
  rc = checkFreelist(db, zDb, &zOut);
  if( rc==SQLITE_OK ){
    sqlite3_result_text(pCtx, zOut?zOut:"ok", -1, SQLITE_TRANSIENT);
  }else{
    sqlite3_result_error_code(pCtx, rc);
  }

  sqlite3_free(zOut);
}

/*
** An SQL function invoked as follows:
**
**   sqlite_readint32(BLOB)           -- Decode 32-bit integer from start of blob
*/
static void readint_function(
  sqlite3_context *pCtx,
  int nArg,
  sqlite3_value **apArg
){
  const u8 *zBlob;
  int nBlob;
  int iOff = 0;
  u32 iRet = 0;

  if( nArg!=1 && nArg!=2 ){
    sqlite3_result_error(
        pCtx, "wrong number of arguments to function sqlite_readint32()", -1
    );
    return;
  }
  if( nArg==2 ){
    iOff = sqlite3_value_int(apArg[1]);
  }

  zBlob = sqlite3_value_blob(apArg[0]);
  nBlob = sqlite3_value_bytes(apArg[0]);

  if( nBlob>=(iOff+4) ){
    iRet = get4byte(&zBlob[iOff]);
  }

  sqlite3_result_int64(pCtx, (sqlite3_int64)iRet);
}

/*
** Register the SQL functions.
*/
static int cflRegister(sqlite3 *db){
  int rc = sqlite3_create_function(
      db, "sqlite_readint32", -1, SQLITE_UTF8, 0, readint_function, 0, 0
  );
  if( rc!=SQLITE_OK ) return rc;
  rc = sqlite3_create_function(
      db, "checkfreelist", 1, SQLITE_UTF8, 0, checkfreelist_function, 0, 0
  );
  return rc;
}

/*
** Extension load function.
*/
#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_checkfreelist_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  SQLITE_EXTENSION_INIT2(pApi);
  return cflRegister(db);
}

Changes to main.mk.

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THREADLIB += $(LIBS)

# Object files for the SQLite library.
#
LIBOBJ+= vdbe.o parse.o \
         alter.o analyze.o attach.o auth.o \
         backup.o bitvec.o btmutex.o btree.o build.o \
         callback.o complete.o ctime.o date.o dbstat.o delete.o expr.o \

	 fault.o fkey.o \
         fts3.o fts3_aux.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
         fts3_snippet.o fts3_tokenizer.o fts3_tokenizer1.o \
         fts3_tokenize_vtab.o \
	 fts3_unicode.o fts3_unicode2.o \
         fts3_write.o fts5.o func.o global.o hash.o \
         icu.o insert.o json1.o legacy.o loadext.o \
................................................................................
  $(TOP)/src/btree.h \
  $(TOP)/src/btreeInt.h \
  $(TOP)/src/build.c \
  $(TOP)/src/callback.c \
  $(TOP)/src/complete.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \

  $(TOP)/src/dbstat.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/fault.c \
  $(TOP)/src/fkey.c \
  $(TOP)/src/func.c \
  $(TOP)/src/global.c \
................................................................................
  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \

  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_sqllog.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \

  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c

# Extensions to be statically loaded.
................................................................................

TESTSRC2 = \
  $(TOP)/src/attach.c \
  $(TOP)/src/backup.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \

  $(TOP)/src/dbstat.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/wal.c \
  $(TOP)/src/main.c \
  $(TOP)/src/mem5.c \
................................................................................

# Extra compiler options for various shell tools
#
SHELL_OPT += -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB


FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
DBFUZZ_OPT =
KV_OPT = -DSQLITE_THREADSAFE=0 -DSQLITE_DIRECT_OVERFLOW_READ
ST_OPT = -DSQLITE_THREADSAFE=0

................................................................................

sqlite3rbu.o:	$(TOP)/ext/rbu/sqlite3rbu.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/rbu/sqlite3rbu.c

# Rules for building test programs and for running tests
#
tclsqlite3:	$(TOP)/src/tclsqlite.c libsqlite3.a
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite3 \
		$(TOP)/src/tclsqlite.c libsqlite3.a $(LIBTCL) $(THREADLIB)

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	tclsh $(TOP)/tool/tostr.tcl $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(EXE): sqlite3_analyzer.c
	$(TCCX) $(TCL_FLAGS) sqlite3_analyzer.c -o $@ $(LIBTCL) $(THREADLIB) 

dbdump$(EXE):	$(TOP)/ext/misc/dbdump.c sqlite3.o
	$(TCCX) -DDBDUMP_STANDALONE -o dbdump$(EXE) \
            $(TOP)/ext/misc/dbdump.c sqlite3.o $(THREADLIB)
................................................................................
# Rules to build the 'testfixture' application.
#
TESTFIXTURE_FLAGS  = -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB



testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) libsqlite3.a $(THREADLIB)

amalgamation-testfixture$(EXE): sqlite3.c $(TESTSRC) $(TOP)/src/tclsqlite.c  \
				$(TOP)/ext/session/test_session.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                  \
		$(TOP)/ext/session/test_session.c                            \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fts3-testfixture$(EXE): sqlite3.c fts3amal.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
	-DSQLITE_ENABLE_FTS3=1                                               \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts3amal.c       \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fulltest:	$(TESTPROGS) fuzztest
	./testfixture$(EXE) $(TOP)/test/all.test $(TESTOPTS)








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THREADLIB += $(LIBS)

# Object files for the SQLite library.
#
LIBOBJ+= vdbe.o parse.o \
         alter.o analyze.o attach.o auth.o \
         backup.o bitvec.o btmutex.o btree.o build.o \
         callback.o complete.o ctime.o \
         date.o dbpage.o dbstat.o delete.o expr.o \
	 fault.o fkey.o \
         fts3.o fts3_aux.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
         fts3_snippet.o fts3_tokenizer.o fts3_tokenizer1.o \
         fts3_tokenize_vtab.o \
	 fts3_unicode.o fts3_unicode2.o \
         fts3_write.o fts5.o func.o global.o hash.o \
         icu.o insert.o json1.o legacy.o loadext.o \
................................................................................
  $(TOP)/src/btree.h \
  $(TOP)/src/btreeInt.h \
  $(TOP)/src/build.c \
  $(TOP)/src/callback.c \
  $(TOP)/src/complete.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \
  $(TOP)/src/dbpage.c \
  $(TOP)/src/dbstat.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/fault.c \
  $(TOP)/src/fkey.c \
  $(TOP)/src/func.c \
  $(TOP)/src/global.c \
................................................................................
  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \
  $(TOP)/src/test_md5.c \
  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_sqllog.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \
  $(TOP)/src/test_tclsh.c \
  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c

# Extensions to be statically loaded.
................................................................................

TESTSRC2 = \
  $(TOP)/src/attach.c \
  $(TOP)/src/backup.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/build.c \
  $(TOP)/src/date.c \
  $(TOP)/src/dbpage.c \
  $(TOP)/src/dbstat.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/func.c \
  $(TOP)/src/insert.c \
  $(TOP)/src/wal.c \
  $(TOP)/src/main.c \
  $(TOP)/src/mem5.c \
................................................................................

# Extra compiler options for various shell tools
#
SHELL_OPT += -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
SHELL_OPT += -DSQLITE_ENABLE_EXPLAIN_COMMENTS
SHELL_OPT += -DSQLITE_ENABLE_UNKNOWN_SQL_FUNCTION
SHELL_OPT += -DSQLITE_ENABLE_STMTVTAB
SHELL_OPT += -DSQLITE_ENABLE_DBPAGE_VTAB
SHELL_OPT += -DSQLITE_ENABLE_DBSTAT_VTAB
FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_MEMSYS5
FUZZCHECK_OPT += -DSQLITE_MAX_MEMORY=50000000
DBFUZZ_OPT =
KV_OPT = -DSQLITE_THREADSAFE=0 -DSQLITE_DIRECT_OVERFLOW_READ
ST_OPT = -DSQLITE_THREADSAFE=0

................................................................................

sqlite3rbu.o:	$(TOP)/ext/rbu/sqlite3rbu.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/rbu/sqlite3rbu.c

# Rules for building test programs and for running tests
#
tclsqlite3:	$(TOP)/src/tclsqlite.c libsqlite3.a
	$(TCCX) $(TCL_FLAGS) -DTCLSH -o tclsqlite3 \
		$(TOP)/src/tclsqlite.c libsqlite3.a $(LIBTCL) $(THREADLIB)

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl $(TOP)/tool/sqlite3_analyzer.c.in $(TOP)/tool/mkccode.tcl
	tclsh $(TOP)/tool/mkccode.tcl $(TOP)/tool/sqlite3_analyzer.c.in >sqlite3_analyzer.c







sqlite3_analyzer$(EXE): sqlite3_analyzer.c
	$(TCCX) $(TCL_FLAGS) sqlite3_analyzer.c -o $@ $(LIBTCL) $(THREADLIB) 

dbdump$(EXE):	$(TOP)/ext/misc/dbdump.c sqlite3.o
	$(TCCX) -DDBDUMP_STANDALONE -o dbdump$(EXE) \
            $(TOP)/ext/misc/dbdump.c sqlite3.o $(THREADLIB)
................................................................................
# Rules to build the 'testfixture' application.
#
TESTFIXTURE_FLAGS  = -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_DBPAGE_VTAB
TESTFIXTURE_FLAGS += -DTCLSH_INIT_PROC=sqlite3TestInit

testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) libsqlite3.a $(THREADLIB)

amalgamation-testfixture$(EXE): sqlite3.c $(TESTSRC) $(TOP)/src/tclsqlite.c  \
				$(TOP)/ext/session/test_session.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                  \
		$(TOP)/ext/session/test_session.c                            \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fts3-testfixture$(EXE): sqlite3.c fts3amal.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
	-DSQLITE_ENABLE_FTS3=1                                               \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts3amal.c       \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fulltest:	$(TESTPROGS) fuzztest
	./testfixture$(EXE) $(TOP)/test/all.test $(TESTOPTS)

Changes to src/btree.c.

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** page of the database.  The data might change or move the next time
** any btree routine is called.
*/
static const void *fetchPayload(
  BtCursor *pCur,      /* Cursor pointing to entry to read from */
  u32 *pAmt            /* Write the number of available bytes here */
){
  u32 amt;
  assert( pCur!=0 && pCur->iPage>=0 && pCur->pPage);
  assert( pCur->eState==CURSOR_VALID );
  assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) );
  assert( cursorOwnsBtShared(pCur) );
  assert( pCur->ix<pCur->pPage->nCell );
  assert( pCur->info.nSize>0 );
  assert( pCur->info.pPayload>pCur->pPage->aData || CORRUPT_DB );
  assert( pCur->info.pPayload<pCur->pPage->aDataEnd ||CORRUPT_DB);

  amt = (int)(pCur->pPage->aDataEnd - pCur->info.pPayload);
  if( pCur->info.nLocal<amt ) amt = pCur->info.nLocal;





  *pAmt = amt;
  return (void*)pCur->info.pPayload;
}


/*
** For the entry that cursor pCur is point to, return as
** many bytes of the key or data as are available on the local







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** page of the database.  The data might change or move the next time
** any btree routine is called.
*/
static const void *fetchPayload(
  BtCursor *pCur,      /* Cursor pointing to entry to read from */
  u32 *pAmt            /* Write the number of available bytes here */
){
  int amt;
  assert( pCur!=0 && pCur->iPage>=0 && pCur->pPage);
  assert( pCur->eState==CURSOR_VALID );
  assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) );
  assert( cursorOwnsBtShared(pCur) );
  assert( pCur->ix<pCur->pPage->nCell );
  assert( pCur->info.nSize>0 );
  assert( pCur->info.pPayload>pCur->pPage->aData || CORRUPT_DB );
  assert( pCur->info.pPayload<pCur->pPage->aDataEnd ||CORRUPT_DB);
  amt = pCur->info.nLocal;
  if( amt>(int)(pCur->pPage->aDataEnd - pCur->info.pPayload) ){

    /* There is too little space on the page for the expected amount
    ** of local content. Database must be corrupt. */
    assert( CORRUPT_DB );
    amt = MAX(0, (int)(pCur->pPage->aDataEnd - pCur->info.pPayload));
  }
  *pAmt = (u32)amt;
  return (void*)pCur->info.pPayload;
}


/*
** For the entry that cursor pCur is point to, return as
** many bytes of the key or data as are available on the local

Changes to src/build.c.

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  Table *p;
  int i;
  char *z;
  char *zType;
  Column *pCol;
  sqlite3 *db = pParse->db;
  if( (p = pParse->pNewTable)==0 ) return;
#if SQLITE_MAX_COLUMN
  if( p->nCol+1>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many columns on %s", p->zName);
    return;
  }
#endif
  z = sqlite3DbMallocRaw(db, pName->n + pType->n + 2);
  if( z==0 ) return;
  memcpy(z, pName->z, pName->n);
  z[pName->n] = 0;
  sqlite3Dequote(z);
  for(i=0; i<p->nCol; i++){
    if( sqlite3_stricmp(z, p->aCol[i].zName)==0 ){







<




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  Table *p;
  int i;
  char *z;
  char *zType;
  Column *pCol;
  sqlite3 *db = pParse->db;
  if( (p = pParse->pNewTable)==0 ) return;

  if( p->nCol+1>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many columns on %s", p->zName);
    return;
  }

  z = sqlite3DbMallocRaw(db, pName->n + pType->n + 2);
  if( z==0 ) return;
  memcpy(z, pName->z, pName->n);
  z[pName->n] = 0;
  sqlite3Dequote(z);
  for(i=0; i<p->nCol; i++){
    if( sqlite3_stricmp(z, p->aCol[i].zName)==0 ){

Added src/dbpage.c.



















































































































































































































































































































































































































































































































































































































































































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/*
** 2017-10-11
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
******************************************************************************
**
** This file contains an implementation of the "sqlite_dbpage" virtual table.
**
** The sqlite_dbpage virtual table is used to read or write whole raw
** pages of the database file.  The pager interface is used so that 
** uncommitted changes and changes recorded in the WAL file are correctly
** retrieved.
**
** Usage example:
**
**    SELECT data FROM sqlite_dbpage('aux1') WHERE pgno=123;
**
** This is an eponymous virtual table so it does not need to be created before
** use.  The optional argument to the sqlite_dbpage() table name is the
** schema for the database file that is to be read.  The default schema is
** "main".
**
** The data field of sqlite_dbpage table can be updated.  The new
** value must be a BLOB which is the correct page size, otherwise the
** update fails.  Rows may not be deleted or inserted.
*/

#include "sqliteInt.h"   /* Requires access to internal data structures */
#if (defined(SQLITE_ENABLE_DBPAGE_VTAB) || defined(SQLITE_TEST)) \
    && !defined(SQLITE_OMIT_VIRTUALTABLE)

typedef struct DbpageTable DbpageTable;
typedef struct DbpageCursor DbpageCursor;

struct DbpageCursor {
  sqlite3_vtab_cursor base;       /* Base class.  Must be first */
  int pgno;                       /* Current page number */
  int mxPgno;                     /* Last page to visit on this scan */
};

struct DbpageTable {
  sqlite3_vtab base;              /* Base class.  Must be first */
  sqlite3 *db;                    /* The database */
  Pager *pPager;                  /* Pager being read/written */
  int iDb;                        /* Index of database to analyze */
  int szPage;                     /* Size of each page in bytes */
  int nPage;                      /* Number of pages in the file */
};

/*
** Connect to or create a dbpagevfs virtual table.
*/
static int dbpageConnect(
  sqlite3 *db,
  void *pAux,
  int argc, const char *const*argv,
  sqlite3_vtab **ppVtab,
  char **pzErr
){
  DbpageTable *pTab = 0;
  int rc = SQLITE_OK;
  int iDb;

  if( argc>=4 ){
    Token nm;
    sqlite3TokenInit(&nm, (char*)argv[3]);
    iDb = sqlite3FindDb(db, &nm);
    if( iDb<0 ){
      *pzErr = sqlite3_mprintf("no such schema: %s", argv[3]);
      return SQLITE_ERROR;
    }
  }else{
    iDb = 0;
  }
  rc = sqlite3_declare_vtab(db, 
          "CREATE TABLE x(pgno INTEGER PRIMARY KEY, data BLOB, schema HIDDEN)");
  if( rc==SQLITE_OK ){
    pTab = (DbpageTable *)sqlite3_malloc64(sizeof(DbpageTable));
    if( pTab==0 ) rc = SQLITE_NOMEM_BKPT;
  }

  assert( rc==SQLITE_OK || pTab==0 );
  if( rc==SQLITE_OK ){
    Btree *pBt = db->aDb[iDb].pBt;
    memset(pTab, 0, sizeof(DbpageTable));
    pTab->db = db;
    pTab->iDb = iDb;
    pTab->pPager = pBt ? sqlite3BtreePager(pBt) : 0;
  }

  *ppVtab = (sqlite3_vtab*)pTab;
  return rc;
}

/*
** Disconnect from or destroy a dbpagevfs virtual table.
*/
static int dbpageDisconnect(sqlite3_vtab *pVtab){
  sqlite3_free(pVtab);
  return SQLITE_OK;
}

/*
** idxNum:
**
**     0     full table scan
**     1     pgno=?1
*/
static int dbpageBestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
  int i;
  pIdxInfo->estimatedCost = 1.0e6;  /* Initial cost estimate */
  for(i=0; i<pIdxInfo->nConstraint; i++){
    struct sqlite3_index_constraint *p = &pIdxInfo->aConstraint[i];
    if( p->usable && p->iColumn<=0 && p->op==SQLITE_INDEX_CONSTRAINT_EQ ){
      pIdxInfo->estimatedRows = 1;
      pIdxInfo->idxFlags = SQLITE_INDEX_SCAN_UNIQUE;
      pIdxInfo->estimatedCost = 1.0;
      pIdxInfo->idxNum = 1;
      pIdxInfo->aConstraintUsage[i].argvIndex = 1;
      pIdxInfo->aConstraintUsage[i].omit = 1;
      break;
    }
  }
  if( pIdxInfo->nOrderBy>=1
   && pIdxInfo->aOrderBy[0].iColumn<=0
   && pIdxInfo->aOrderBy[0].desc==0
  ){
    pIdxInfo->orderByConsumed = 1;
  }
  return SQLITE_OK;
}

/*
** Open a new dbpagevfs cursor.
*/
static int dbpageOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
  DbpageCursor *pCsr;

  pCsr = (DbpageCursor *)sqlite3_malloc64(sizeof(DbpageCursor));
  if( pCsr==0 ){
    return SQLITE_NOMEM_BKPT;
  }else{
    memset(pCsr, 0, sizeof(DbpageCursor));
    pCsr->base.pVtab = pVTab;
    pCsr->pgno = -1;
  }

  *ppCursor = (sqlite3_vtab_cursor *)pCsr;
  return SQLITE_OK;
}

/*
** Close a dbpagevfs cursor.
*/
static int dbpageClose(sqlite3_vtab_cursor *pCursor){
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  sqlite3_free(pCsr);
  return SQLITE_OK;
}

/*
** Move a dbpagevfs cursor to the next entry in the file.
*/
static int dbpageNext(sqlite3_vtab_cursor *pCursor){
  int rc = SQLITE_OK;
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  pCsr->pgno++;
  return rc;
}

static int dbpageEof(sqlite3_vtab_cursor *pCursor){
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  return pCsr->pgno > pCsr->mxPgno;
}

static int dbpageFilter(
  sqlite3_vtab_cursor *pCursor, 
  int idxNum, const char *idxStr,
  int argc, sqlite3_value **argv
){
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  DbpageTable *pTab = (DbpageTable *)pCursor->pVtab;
  int rc = SQLITE_OK;
  Btree *pBt = pTab->db->aDb[pTab->iDb].pBt;

  pTab->szPage = sqlite3BtreeGetPageSize(pBt);
  pTab->nPage = sqlite3BtreeLastPage(pBt);
  if( idxNum==1 ){
    pCsr->pgno = sqlite3_value_int(argv[0]);
    if( pCsr->pgno<1 || pCsr->pgno>pTab->nPage ){
      pCsr->pgno = 1;
      pCsr->mxPgno = 0;
    }else{
      pCsr->mxPgno = pCsr->pgno;
    }
  }else{
    pCsr->pgno = 1;
    pCsr->mxPgno = pTab->nPage;
  }
  return rc;
}

static int dbpageColumn(
  sqlite3_vtab_cursor *pCursor, 
  sqlite3_context *ctx, 
  int i
){
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  DbpageTable *pTab = (DbpageTable *)pCursor->pVtab;
  int rc = SQLITE_OK;
  switch( i ){
    case 0: {           /* pgno */
      sqlite3_result_int(ctx, pCsr->pgno);
      break;
    }
    case 1: {           /* data */
      DbPage *pDbPage = 0;
      rc = sqlite3PagerGet(pTab->pPager, pCsr->pgno, (DbPage**)&pDbPage, 0);
      if( rc==SQLITE_OK ){
        sqlite3_result_blob(ctx, sqlite3PagerGetData(pDbPage), pTab->szPage,
                            SQLITE_TRANSIENT);
      }
      sqlite3PagerUnref(pDbPage);
      break;
    }
    default: {          /* schema */
      sqlite3 *db = sqlite3_context_db_handle(ctx);
      sqlite3_result_text(ctx, db->aDb[pTab->iDb].zDbSName, -1, SQLITE_STATIC);
      break;
    }
  }
  return SQLITE_OK;
}

static int dbpageRowid(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){
  DbpageCursor *pCsr = (DbpageCursor *)pCursor;
  *pRowid = pCsr->pgno;
  return SQLITE_OK;
}

static int dbpageUpdate(
  sqlite3_vtab *pVtab,
  int argc,
  sqlite3_value **argv,
  sqlite_int64 *pRowid
){
  DbpageTable *pTab = (DbpageTable *)pVtab;
  int pgno;
  DbPage *pDbPage = 0;
  int rc = SQLITE_OK;
  char *zErr = 0;

  if( argc==1 ){
    zErr = "cannot delete";
    goto update_fail;
  }
  pgno = sqlite3_value_int(argv[0]);
  if( pgno<1 || pgno>pTab->nPage ){
    zErr = "bad page number";
    goto update_fail;
  }
  if( sqlite3_value_int(argv[1])!=pgno ){
    zErr = "cannot insert";
    goto update_fail;
  }
  if( sqlite3_value_type(argv[3])!=SQLITE_BLOB 
   || sqlite3_value_bytes(argv[3])!=pTab->szPage 
  ){
    zErr = "bad page value";
    goto update_fail;
  }
  rc = sqlite3PagerGet(pTab->pPager, pgno, (DbPage**)&pDbPage, 0);
  if( rc==SQLITE_OK ){
    rc = sqlite3PagerWrite(pDbPage);
    if( rc==SQLITE_OK ){
      memcpy(sqlite3PagerGetData(pDbPage),
             sqlite3_value_blob(argv[3]),
             pTab->szPage);
    }
  }
  sqlite3PagerUnref(pDbPage);
  return rc;

update_fail:
  sqlite3_free(pVtab->zErrMsg);
  pVtab->zErrMsg = sqlite3_mprintf("%s", zErr);
  return SQLITE_ERROR;
}

/*
** Invoke this routine to register the "dbpage" virtual table module
*/
int sqlite3DbpageRegister(sqlite3 *db){
  static sqlite3_module dbpage_module = {
    0,                            /* iVersion */
    dbpageConnect,                /* xCreate */
    dbpageConnect,                /* xConnect */
    dbpageBestIndex,              /* xBestIndex */
    dbpageDisconnect,             /* xDisconnect */
    dbpageDisconnect,             /* xDestroy */
    dbpageOpen,                   /* xOpen - open a cursor */
    dbpageClose,                  /* xClose - close a cursor */
    dbpageFilter,                 /* xFilter - configure scan constraints */
    dbpageNext,                   /* xNext - advance a cursor */
    dbpageEof,                    /* xEof - check for end of scan */
    dbpageColumn,                 /* xColumn - read data */
    dbpageRowid,                  /* xRowid - read data */
    dbpageUpdate,                 /* xUpdate */
    0,                            /* xBegin */
    0,                            /* xSync */
    0,                            /* xCommit */
    0,                            /* xRollback */
    0,                            /* xFindMethod */
    0,                            /* xRename */
    0,                            /* xSavepoint */
    0,                            /* xRelease */
    0,                            /* xRollbackTo */
  };
  return sqlite3_create_module(db, "sqlite_dbpage", &dbpage_module, 0);
}
#elif defined(SQLITE_ENABLE_DBPAGE_VTAB)
int sqlite3DbpageRegister(sqlite3 *db){ return SQLITE_OK; }
#endif /* SQLITE_ENABLE_DBSTAT_VTAB */

Changes to src/main.c.

3049
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3056
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#endif

#ifdef SQLITE_ENABLE_RTREE
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3RtreeInit(db);
  }
#endif







#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif








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#endif

#ifdef SQLITE_ENABLE_RTREE
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3RtreeInit(db);
  }
#endif

#ifdef SQLITE_ENABLE_DBPAGE_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbpageRegister(db);
  }
#endif

#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif

Changes to src/resolve.c.

955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
....
1052
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1054
1055
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1057
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1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
  ExprList *pEList;
  sqlite3 *db;
  int moreToDo = 1;

  pOrderBy = pSelect->pOrderBy;
  if( pOrderBy==0 ) return 0;
  db = pParse->db;
#if SQLITE_MAX_COLUMN
  if( pOrderBy->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many terms in ORDER BY clause");
    return 1;
  }
#endif
  for(i=0; i<pOrderBy->nExpr; i++){
    pOrderBy->a[i].done = 0;
  }
  pSelect->pNext = 0;
  while( pSelect->pPrior ){
    pSelect->pPrior->pNext = pSelect;
    pSelect = pSelect->pPrior;
................................................................................
){
  int i;
  sqlite3 *db = pParse->db;
  ExprList *pEList;
  struct ExprList_item *pItem;

  if( pOrderBy==0 || pParse->db->mallocFailed ) return 0;
#if SQLITE_MAX_COLUMN
  if( pOrderBy->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many terms in %s BY clause", zType);
    return 1;
  }
#endif
  pEList = pSelect->pEList;
  assert( pEList!=0 );  /* sqlite3SelectNew() guarantees this */
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    if( pItem->u.x.iOrderByCol ){
      if( pItem->u.x.iOrderByCol>pEList->nExpr ){
        resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
        return 1;







<




<







 







<




<







955
956
957
958
959
960
961

962
963
964
965

966
967
968
969
970
971
972
....
1050
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1055
1056

1057
1058
1059
1060

1061
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1063
1064
1065
1066
1067
  ExprList *pEList;
  sqlite3 *db;
  int moreToDo = 1;

  pOrderBy = pSelect->pOrderBy;
  if( pOrderBy==0 ) return 0;
  db = pParse->db;

  if( pOrderBy->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many terms in ORDER BY clause");
    return 1;
  }

  for(i=0; i<pOrderBy->nExpr; i++){
    pOrderBy->a[i].done = 0;
  }
  pSelect->pNext = 0;
  while( pSelect->pPrior ){
    pSelect->pPrior->pNext = pSelect;
    pSelect = pSelect->pPrior;
................................................................................
){
  int i;
  sqlite3 *db = pParse->db;
  ExprList *pEList;
  struct ExprList_item *pItem;

  if( pOrderBy==0 || pParse->db->mallocFailed ) return 0;

  if( pOrderBy->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many terms in %s BY clause", zType);
    return 1;
  }

  pEList = pSelect->pEList;
  assert( pEList!=0 );  /* sqlite3SelectNew() guarantees this */
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    if( pItem->u.x.iOrderByCol ){
      if( pItem->u.x.iOrderByCol>pEList->nExpr ){
        resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
        return 1;

Changes to src/select.c.

1685
1686
1687
1688
1689
1690
1691

1692
1693
1694
1695
1696
1697
1698
....
4592
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4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
  Hash ht;                    /* Hash table of column names */

  sqlite3HashInit(&ht);
  if( pEList ){
    nCol = pEList->nExpr;
    aCol = sqlite3DbMallocZero(db, sizeof(aCol[0])*nCol);
    testcase( aCol==0 );

  }else{
    nCol = 0;
    aCol = 0;
  }
  assert( nCol==(i16)nCol );
  *pnCol = nCol;
  *paCol = aCol;
................................................................................
          }
        }
      }
    }
    sqlite3ExprListDelete(db, pEList);
    p->pEList = pNew;
  }
#if SQLITE_MAX_COLUMN
  if( p->pEList && p->pEList->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many columns in result set");
    return WRC_Abort;
  }
#endif
  return WRC_Continue;
}

/*
** No-op routine for the parse-tree walker.
**
** When this routine is the Walker.xExprCallback then expression trees







>







 







<




<







1685
1686
1687
1688
1689
1690
1691
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1693
1694
1695
1696
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1698
1699
....
4593
4594
4595
4596
4597
4598
4599

4600
4601
4602
4603

4604
4605
4606
4607
4608
4609
4610
  Hash ht;                    /* Hash table of column names */

  sqlite3HashInit(&ht);
  if( pEList ){
    nCol = pEList->nExpr;
    aCol = sqlite3DbMallocZero(db, sizeof(aCol[0])*nCol);
    testcase( aCol==0 );
    if( nCol>32767 ) nCol = 32767;
  }else{
    nCol = 0;
    aCol = 0;
  }
  assert( nCol==(i16)nCol );
  *pnCol = nCol;
  *paCol = aCol;
................................................................................
          }
        }
      }
    }
    sqlite3ExprListDelete(db, pEList);
    p->pEList = pNew;
  }

  if( p->pEList && p->pEList->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many columns in result set");
    return WRC_Abort;
  }

  return WRC_Continue;
}

/*
** No-op routine for the parse-tree walker.
**
** When this routine is the Walker.xExprCallback then expression trees

Changes to src/shell.c.in.

3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617

3618
3619
3620
3621
3622
3623
3624

3625
3626



3627

3628
3629
3630
3631
3632
3633
3634
....
4240
4241
4242
4243
4244
4245
4246
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4248
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4250
4251
4252
4253
4254
     { "number of triggers:",
       "SELECT count(*) FROM %s WHERE type='trigger'" },
     { "number of views:",
       "SELECT count(*) FROM %s WHERE type='view'" },
     { "schema size:",
       "SELECT total(length(sql)) FROM %s" },
  };
  sqlite3_file *pFile = 0;
  int i;
  char *zSchemaTab;
  char *zDb = nArg>=2 ? azArg[1] : "main";

  unsigned char aHdr[100];
  open_db(p, 0);
  if( p->db==0 ) return 1;
  sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile);
  if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){
    return 1;
  }

  i = pFile->pMethods->xRead(pFile, aHdr, 100, 0);
  if( i!=SQLITE_OK ){



    raw_printf(stderr, "unable to read database header\n");

    return 1;
  }
  i = get2byteInt(aHdr+16);
  if( i==1 ) i = 65536;
  utf8_printf(p->out, "%-20s %d\n", "database page size:", i);
  utf8_printf(p->out, "%-20s %d\n", "write format:", aHdr[18]);
  utf8_printf(p->out, "%-20s %d\n", "read format:", aHdr[19]);
................................................................................
    }else if( (zRes = readFile("testcase-out.txt", 0))==0 ){
      raw_printf(stderr, "Error: cannot read 'testcase-out.txt'\n");
      rc = 2;
    }else if( testcase_glob(azArg[1],zRes)==0 ){
      utf8_printf(stderr,
                 "testcase-%s FAILED\n Expected: [%s]\n      Got: [%s]\n",
                 p->zTestcase, azArg[1], zRes);
      rc = 2;
    }else{
      utf8_printf(stdout, "testcase-%s ok\n", p->zTestcase);
      p->nCheck++;
    }
    sqlite3_free(zRes);
  }else








<



>



|
|
|
<
>
|
|
>
>
>

>







 







|







3607
3608
3609
3610
3611
3612
3613

3614
3615
3616
3617
3618
3619
3620
3621
3622
3623

3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
....
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
     { "number of triggers:",
       "SELECT count(*) FROM %s WHERE type='trigger'" },
     { "number of views:",
       "SELECT count(*) FROM %s WHERE type='view'" },
     { "schema size:",
       "SELECT total(length(sql)) FROM %s" },
  };

  int i;
  char *zSchemaTab;
  char *zDb = nArg>=2 ? azArg[1] : "main";
  sqlite3_stmt *pStmt = 0;
  unsigned char aHdr[100];
  open_db(p, 0);
  if( p->db==0 ) return 1;
  sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1",
                     -1, &pStmt, 0);
  sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC);

  if( sqlite3_step(pStmt)==SQLITE_ROW
   && sqlite3_column_bytes(pStmt,0)>100
  ){
    memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100);
    sqlite3_finalize(pStmt);
  }else{
    raw_printf(stderr, "unable to read database header\n");
    sqlite3_finalize(pStmt);
    return 1;
  }
  i = get2byteInt(aHdr+16);
  if( i==1 ) i = 65536;
  utf8_printf(p->out, "%-20s %d\n", "database page size:", i);
  utf8_printf(p->out, "%-20s %d\n", "write format:", aHdr[18]);
  utf8_printf(p->out, "%-20s %d\n", "read format:", aHdr[19]);
................................................................................
    }else if( (zRes = readFile("testcase-out.txt", 0))==0 ){
      raw_printf(stderr, "Error: cannot read 'testcase-out.txt'\n");
      rc = 2;
    }else if( testcase_glob(azArg[1],zRes)==0 ){
      utf8_printf(stderr,
                 "testcase-%s FAILED\n Expected: [%s]\n      Got: [%s]\n",
                 p->zTestcase, azArg[1], zRes);
      rc = 1;
    }else{
      utf8_printf(stdout, "testcase-%s ok\n", p->zTestcase);
      p->nCheck++;
    }
    sqlite3_free(zRes);
  }else

Changes to src/sqlite3ext.h.

130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
...
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
  void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
  void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
  void  (*result_value)(sqlite3_context*,sqlite3_value*);
  void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
  int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,
                         const char*,const char*),void*);
  void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
  char * (*snprintf)(int,char*,const char*,...);
  int  (*step)(sqlite3_stmt*);
  int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,
                                char const**,char const**,int*,int*,int*);
  void  (*thread_cleanup)(void);
  int  (*total_changes)(sqlite3*);
  void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
  int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
................................................................................
#define sqlite3_result_text16          sqlite3_api->result_text16
#define sqlite3_result_text16be        sqlite3_api->result_text16be
#define sqlite3_result_text16le        sqlite3_api->result_text16le
#define sqlite3_result_value           sqlite3_api->result_value
#define sqlite3_rollback_hook          sqlite3_api->rollback_hook
#define sqlite3_set_authorizer         sqlite3_api->set_authorizer
#define sqlite3_set_auxdata            sqlite3_api->set_auxdata
#define sqlite3_snprintf               sqlite3_api->snprintf
#define sqlite3_step                   sqlite3_api->step
#define sqlite3_table_column_metadata  sqlite3_api->table_column_metadata
#define sqlite3_thread_cleanup         sqlite3_api->thread_cleanup
#define sqlite3_total_changes          sqlite3_api->total_changes
#define sqlite3_trace                  sqlite3_api->trace
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_transfer_bindings      sqlite3_api->transfer_bindings







|







 







|







130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
...
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
  void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));
  void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));
  void  (*result_value)(sqlite3_context*,sqlite3_value*);
  void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);
  int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,
                         const char*,const char*),void*);
  void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));
  char * (*xsnprintf)(int,char*,const char*,...);
  int  (*step)(sqlite3_stmt*);
  int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,
                                char const**,char const**,int*,int*,int*);
  void  (*thread_cleanup)(void);
  int  (*total_changes)(sqlite3*);
  void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);
  int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);
................................................................................
#define sqlite3_result_text16          sqlite3_api->result_text16
#define sqlite3_result_text16be        sqlite3_api->result_text16be
#define sqlite3_result_text16le        sqlite3_api->result_text16le
#define sqlite3_result_value           sqlite3_api->result_value
#define sqlite3_rollback_hook          sqlite3_api->rollback_hook
#define sqlite3_set_authorizer         sqlite3_api->set_authorizer
#define sqlite3_set_auxdata            sqlite3_api->set_auxdata
#define sqlite3_snprintf               sqlite3_api->xsnprintf
#define sqlite3_step                   sqlite3_api->step
#define sqlite3_table_column_metadata  sqlite3_api->table_column_metadata
#define sqlite3_thread_cleanup         sqlite3_api->thread_cleanup
#define sqlite3_total_changes          sqlite3_api->total_changes
#define sqlite3_trace                  sqlite3_api->trace
#ifndef SQLITE_OMIT_DEPRECATED
#define sqlite3_transfer_bindings      sqlite3_api->transfer_bindings

Changes to src/sqliteInt.h.

4396
4397
4398
4399
4400
4401
4402



4403
4404
4405
4406
4407
4408
4409
** Threading interface
*/
#if SQLITE_MAX_WORKER_THREADS>0
int sqlite3ThreadCreate(SQLiteThread**,void*(*)(void*),void*);
int sqlite3ThreadJoin(SQLiteThread*, void**);
#endif




#if defined(SQLITE_ENABLE_DBSTAT_VTAB) || defined(SQLITE_TEST)
int sqlite3DbstatRegister(sqlite3*);
#endif

int sqlite3ExprVectorSize(Expr *pExpr);
int sqlite3ExprIsVector(Expr *pExpr);
Expr *sqlite3VectorFieldSubexpr(Expr*, int);







>
>
>







4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
** Threading interface
*/
#if SQLITE_MAX_WORKER_THREADS>0
int sqlite3ThreadCreate(SQLiteThread**,void*(*)(void*),void*);
int sqlite3ThreadJoin(SQLiteThread*, void**);
#endif

#if defined(SQLITE_ENABLE_DBPAGE_VTAB) || defined(SQLITE_TEST)
int sqlite3DbpageRegister(sqlite3*);
#endif
#if defined(SQLITE_ENABLE_DBSTAT_VTAB) || defined(SQLITE_TEST)
int sqlite3DbstatRegister(sqlite3*);
#endif

int sqlite3ExprVectorSize(Expr *pExpr);
int sqlite3ExprIsVector(Expr *pExpr);
Expr *sqlite3VectorFieldSubexpr(Expr*, int);

Changes to src/tclsqlite.c.

10
11
12
13
14
15
16
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18
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20
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25
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27


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3991



3992
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3995





3996
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**
*************************************************************************
** A TCL Interface to SQLite.  Append this file to sqlite3.c and
** compile the whole thing to build a TCL-enabled version of SQLite.
**
** Compile-time options:
**
**  -DTCLSH=1             Add a "main()" routine that works as a tclsh.
**
**  -DSQLITE_TCLMD5       When used in conjuction with -DTCLSH=1, add
**                        four new commands to the TCL interpreter for
**                        generating MD5 checksums:  md5, md5file,
**                        md5-10x8, and md5file-10x8.
**
**  -DSQLITE_TEST         When used in conjuction with -DTCLSH=1, add
**                        hundreds of new commands used for testing
**                        SQLite.  This option implies -DSQLITE_TCLMD5.
*/



/*
** If requested, include the SQLite compiler options file for MSVC.
*/
#if defined(INCLUDE_MSVC_H)
# include "msvc.h"
#endif
................................................................................
  }

  /*    $db version
  **
  ** Return the version string for this database.
  */
  case DB_VERSION: {


































    Tcl_SetResult(interp, (char *)sqlite3_libversion(), TCL_STATIC);

    break;
  }


  } /* End of the SWITCH statement */
  return rc;
}
................................................................................
#ifndef SQLITE_3_SUFFIX_ONLY
int Sqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Tclsqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Sqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
int Tclsqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
#endif

#ifdef TCLSH
/*****************************************************************************
** All of the code that follows is used to build standalone TCL interpreters
** that are statically linked with SQLite.  Enable these by compiling
** with -DTCLSH=n where n can be 1 or 2.  An n of 1 generates a standard
** tclsh but with SQLite built in.  An n of 2 generates the SQLite space
** analysis program.
*/

#if defined(SQLITE_TEST) || defined(SQLITE_TCLMD5)
/*
 * This code implements the MD5 message-digest algorithm.
 * The algorithm is due to Ron Rivest.  This code was
 * written by Colin Plumb in 1993, no copyright is claimed.
 * This code is in the public domain; do with it what you wish.

 *
 * Equivalent code is available from RSA Data Security, Inc.
 * This code has been tested against that, and is equivalent,
 * except that you don't need to include two pages of legalese
 * with every copy.
 *
 * To compute the message digest of a chunk of bytes, declare an
 * MD5Context structure, pass it to MD5Init, call MD5Update as
 * needed on buffers full of bytes, and then call MD5Final, which
 * will fill a supplied 16-byte array with the digest.
 */

/*
 * If compiled on a machine that doesn't have a 32-bit integer,
 * you just set "uint32" to the appropriate datatype for an
 * unsigned 32-bit integer.  For example:
 *
 *       cc -Duint32='unsigned long' md5.c
 *
 */
#ifndef uint32
#  define uint32 unsigned int
#endif

struct MD5Context {
  int isInit;
  uint32 buf[4];
  uint32 bits[2];
  unsigned char in[64];
};
typedef struct MD5Context MD5Context;

/*
 * Note: this code is harmless on little-endian machines.
 */
static void byteReverse (unsigned char *buf, unsigned longs){
        uint32 t;
        do {
                t = (uint32)((unsigned)buf[3]<<8 | buf[2]) << 16 |
                            ((unsigned)buf[1]<<8 | buf[0]);
                *(uint32 *)buf = t;
                buf += 4;
        } while (--longs);
}
/* The four core functions - F1 is optimized somewhat */

/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
        ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )

/*
 * The core of the MD5 algorithm, this alters an existing MD5 hash to
 * reflect the addition of 16 longwords of new data.  MD5Update blocks
 * the data and converts bytes into longwords for this routine.
 */
static void MD5Transform(uint32 buf[4], const uint32 in[16]){
        register uint32 a, b, c, d;

        a = buf[0];
        b = buf[1];
        c = buf[2];
        d = buf[3];

        MD5STEP(F1, a, b, c, d, in[ 0]+0xd76aa478,  7);
        MD5STEP(F1, d, a, b, c, in[ 1]+0xe8c7b756, 12);
        MD5STEP(F1, c, d, a, b, in[ 2]+0x242070db, 17);
        MD5STEP(F1, b, c, d, a, in[ 3]+0xc1bdceee, 22);
        MD5STEP(F1, a, b, c, d, in[ 4]+0xf57c0faf,  7);
        MD5STEP(F1, d, a, b, c, in[ 5]+0x4787c62a, 12);
        MD5STEP(F1, c, d, a, b, in[ 6]+0xa8304613, 17);
        MD5STEP(F1, b, c, d, a, in[ 7]+0xfd469501, 22);
        MD5STEP(F1, a, b, c, d, in[ 8]+0x698098d8,  7);
        MD5STEP(F1, d, a, b, c, in[ 9]+0x8b44f7af, 12);
        MD5STEP(F1, c, d, a, b, in[10]+0xffff5bb1, 17);
        MD5STEP(F1, b, c, d, a, in[11]+0x895cd7be, 22);
        MD5STEP(F1, a, b, c, d, in[12]+0x6b901122,  7);
        MD5STEP(F1, d, a, b, c, in[13]+0xfd987193, 12);
        MD5STEP(F1, c, d, a, b, in[14]+0xa679438e, 17);
        MD5STEP(F1, b, c, d, a, in[15]+0x49b40821, 22);

        MD5STEP(F2, a, b, c, d, in[ 1]+0xf61e2562,  5);
        MD5STEP(F2, d, a, b, c, in[ 6]+0xc040b340,  9);
        MD5STEP(F2, c, d, a, b, in[11]+0x265e5a51, 14);
        MD5STEP(F2, b, c, d, a, in[ 0]+0xe9b6c7aa, 20);
        MD5STEP(F2, a, b, c, d, in[ 5]+0xd62f105d,  5);
        MD5STEP(F2, d, a, b, c, in[10]+0x02441453,  9);
        MD5STEP(F2, c, d, a, b, in[15]+0xd8a1e681, 14);
        MD5STEP(F2, b, c, d, a, in[ 4]+0xe7d3fbc8, 20);
        MD5STEP(F2, a, b, c, d, in[ 9]+0x21e1cde6,  5);
        MD5STEP(F2, d, a, b, c, in[14]+0xc33707d6,  9);
        MD5STEP(F2, c, d, a, b, in[ 3]+0xf4d50d87, 14);
        MD5STEP(F2, b, c, d, a, in[ 8]+0x455a14ed, 20);
        MD5STEP(F2, a, b, c, d, in[13]+0xa9e3e905,  5);
        MD5STEP(F2, d, a, b, c, in[ 2]+0xfcefa3f8,  9);
        MD5STEP(F2, c, d, a, b, in[ 7]+0x676f02d9, 14);
        MD5STEP(F2, b, c, d, a, in[12]+0x8d2a4c8a, 20);

        MD5STEP(F3, a, b, c, d, in[ 5]+0xfffa3942,  4);
        MD5STEP(F3, d, a, b, c, in[ 8]+0x8771f681, 11);
        MD5STEP(F3, c, d, a, b, in[11]+0x6d9d6122, 16);
        MD5STEP(F3, b, c, d, a, in[14]+0xfde5380c, 23);
        MD5STEP(F3, a, b, c, d, in[ 1]+0xa4beea44,  4);
        MD5STEP(F3, d, a, b, c, in[ 4]+0x4bdecfa9, 11);
        MD5STEP(F3, c, d, a, b, in[ 7]+0xf6bb4b60, 16);
        MD5STEP(F3, b, c, d, a, in[10]+0xbebfbc70, 23);
        MD5STEP(F3, a, b, c, d, in[13]+0x289b7ec6,  4);
        MD5STEP(F3, d, a, b, c, in[ 0]+0xeaa127fa, 11);
        MD5STEP(F3, c, d, a, b, in[ 3]+0xd4ef3085, 16);
        MD5STEP(F3, b, c, d, a, in[ 6]+0x04881d05, 23);
        MD5STEP(F3, a, b, c, d, in[ 9]+0xd9d4d039,  4);
        MD5STEP(F3, d, a, b, c, in[12]+0xe6db99e5, 11);
        MD5STEP(F3, c, d, a, b, in[15]+0x1fa27cf8, 16);
        MD5STEP(F3, b, c, d, a, in[ 2]+0xc4ac5665, 23);

        MD5STEP(F4, a, b, c, d, in[ 0]+0xf4292244,  6);
        MD5STEP(F4, d, a, b, c, in[ 7]+0x432aff97, 10);
        MD5STEP(F4, c, d, a, b, in[14]+0xab9423a7, 15);
        MD5STEP(F4, b, c, d, a, in[ 5]+0xfc93a039, 21);
        MD5STEP(F4, a, b, c, d, in[12]+0x655b59c3,  6);
        MD5STEP(F4, d, a, b, c, in[ 3]+0x8f0ccc92, 10);
        MD5STEP(F4, c, d, a, b, in[10]+0xffeff47d, 15);
        MD5STEP(F4, b, c, d, a, in[ 1]+0x85845dd1, 21);
        MD5STEP(F4, a, b, c, d, in[ 8]+0x6fa87e4f,  6);
        MD5STEP(F4, d, a, b, c, in[15]+0xfe2ce6e0, 10);
        MD5STEP(F4, c, d, a, b, in[ 6]+0xa3014314, 15);
        MD5STEP(F4, b, c, d, a, in[13]+0x4e0811a1, 21);
        MD5STEP(F4, a, b, c, d, in[ 4]+0xf7537e82,  6);
        MD5STEP(F4, d, a, b, c, in[11]+0xbd3af235, 10);
        MD5STEP(F4, c, d, a, b, in[ 2]+0x2ad7d2bb, 15);
        MD5STEP(F4, b, c, d, a, in[ 9]+0xeb86d391, 21);

        buf[0] += a;
        buf[1] += b;
        buf[2] += c;
        buf[3] += d;
}

/*
 * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
 * initialization constants.
 */
static void MD5Init(MD5Context *ctx){
        ctx->isInit = 1;
        ctx->buf[0] = 0x67452301;
        ctx->buf[1] = 0xefcdab89;
        ctx->buf[2] = 0x98badcfe;
        ctx->buf[3] = 0x10325476;
        ctx->bits[0] = 0;
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)
                ctx->bits[1]++; /* Carry from low to high */
        ctx->bits[1] += len >> 29;

        t = (t >> 3) & 0x3f;    /* Bytes already in shsInfo->data */

        /* Handle any leading odd-sized chunks */

        if ( t ) {
                unsigned char *p = (unsigned char *)ctx->in + t;

                t = 64-t;
                if (len < t) {
                        memcpy(p, buf, len);
                        return;
                }
                memcpy(p, buf, t);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += t;
                len -= t;
        }

        /* Process data in 64-byte chunks */

        while (len >= 64) {
                memcpy(ctx->in, buf, 64);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += 64;
                len -= 64;
        }

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

        /* Compute number of bytes mod 64 */
        count = (ctx->bits[0] >> 3) & 0x3F;

        /* Set the first char of padding to 0x80.  This is safe since there is
           always at least one byte free */
        p = ctx->in + count;
        *p++ = 0x80;

        /* Bytes of padding needed to make 64 bytes */
        count = 64 - 1 - count;

        /* Pad out to 56 mod 64 */
        if (count < 8) {
                /* Two lots of padding:  Pad the first block to 64 bytes */
                memset(p, 0, count);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);

                /* Now fill the next block with 56 bytes */
                memset(ctx->in, 0, 56);
        } else {
                /* Pad block to 56 bytes */
                memset(p, 0, count-8);
        }
        byteReverse(ctx->in, 14);

        /* Append length in bits and transform */
        memcpy(ctx->in + 14*4, ctx->bits, 8);

        MD5Transform(ctx->buf, (uint32 *)ctx->in);
        byteReverse((unsigned char *)ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
}

/*
** Convert a 128-bit MD5 digest into a 32-digit base-16 number.
*/
static void MD5DigestToBase16(unsigned char *digest, char *zBuf){
  static char const zEncode[] = "0123456789abcdef";
  int i, j;

  for(j=i=0; i<16; i++){
    int a = digest[i];
    zBuf[j++] = zEncode[(a>>4)&0xf];
    zBuf[j++] = zEncode[a & 0xf];
  }
  zBuf[j] = 0;
}


/*
** Convert a 128-bit MD5 digest into sequency of eight 5-digit integers
** each representing 16 bits of the digest and separated from each
** other by a "-" character.
*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(50-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.
*/
static int SQLITE_TCLAPI md5_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** A TCL command to take the md5 hash of a file.  The argument is the
** name of the file.
*/
static int SQLITE_TCLAPI md5file_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  FILE *in;
  int ofst;
  int amt;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 && argc!=4 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " FILENAME [OFFSET AMT]\"", (char*)0);
    return TCL_ERROR;
  }
  if( argc==4 ){
    ofst = atoi(argv[2]);
    amt = atoi(argv[3]);
  }else{
    ofst = 0;
    amt = 2147483647;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1],
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  fseek(in, ofst, SEEK_SET);
  MD5Init(&ctx);
  while( amt>0 ){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf)<=amt ? sizeof(zBuf) : amt, in);
    if( n<=0 ) break;
    MD5Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
    amt -= n;
  }
  fclose(in);
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** Register the four new TCL commands for generating MD5 checksums
** with the TCL interpreter.
*/
int Md5_Init(Tcl_Interp *interp){
  Tcl_CreateCommand(interp, "md5", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5-10x8", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase10x8, 0);
  Tcl_CreateCommand(interp, "md5file", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5file-10x8", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase10x8, 0);
  return TCL_OK;
}
#endif /* defined(SQLITE_TEST) || defined(SQLITE_TCLMD5) */

#if defined(SQLITE_TEST)
/*
** During testing, the special md5sum() aggregate function is available.
** inside SQLite.  The following routines implement that function.
*/
static void md5step(sqlite3_context *context, int argc, sqlite3_value **argv){
  MD5Context *p;
  int i;
  if( argc<1 ) return;
  p = sqlite3_aggregate_context(context, sizeof(*p));
  if( p==0 ) return;
  if( !p->isInit ){
    MD5Init(p);
  }
  for(i=0; i<argc; i++){
    const char *zData = (char*)sqlite3_value_text(argv[i]);
    if( zData ){
      MD5Update(p, (unsigned char*)zData, (int)strlen(zData));
    }
  }
}
static void md5finalize(sqlite3_context *context){
  MD5Context *p;
  unsigned char digest[16];
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pThunk
){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0,
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}
#endif /* defined(SQLITE_TEST) */


/*
** If the macro TCLSH is one, then put in code this for the
** "main" routine that will initialize Tcl and take input from
** standard input, or if a file is named on the command line
** the TCL interpreter reads and evaluates that file.



*/
#if TCLSH==1
static const char *tclsh_main_loop(void){
  static const char zMainloop[] =





    "set line {}\n"
    "while {![eof stdin]} {\n"
      "if {$line!=\"\"} {\n"
        "puts -nonewline \"> \"\n"
      "} else {\n"
        "puts -nonewline \"% \"\n"
      "}\n"
      "flush stdout\n"
      "append line [gets stdin]\n"
      "if {[info complete $line]} {\n"
        "if {[catch {uplevel #0 $line} result]} {\n"
          "puts stderr \"Error: $result\"\n"
        "} elseif {$result!=\"\"} {\n"
          "puts $result\n"
        "}\n"
        "set line {}\n"
      "} else {\n"
        "append line \\n\n"
      "}\n"
    "}\n"

  ;
  return zMainloop;
}
#endif
#if TCLSH==2
static const char *tclsh_main_loop(void);
#endif

#ifdef SQLITE_TEST
static void init_all(Tcl_Interp *);
static int SQLITE_TCLAPI init_all_cmd(
  ClientData cd,


  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){

  Tcl_Interp *slave;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SLAVE");
    return TCL_ERROR;
  }

  slave = Tcl_GetSlave(interp, Tcl_GetString(objv[1]));
  if( !slave ){
    return TCL_ERROR;
  }

  init_all(slave);
  return TCL_OK;
}

/*
** Tclcmd: db_use_legacy_prepare DB BOOLEAN
**
**   The first argument to this command must be a database command created by
**   [sqlite3]. If the second argument is true, then the handle is configured
**   to use the sqlite3_prepare_v2() function to prepare statements. If it
**   is false, sqlite3_prepare().
*/
static int SQLITE_TCLAPI db_use_legacy_prepare_cmd(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  Tcl_CmdInfo cmdInfo;
  SqliteDb *pDb;
  int bPrepare;

  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
    return TCL_ERROR;
  }

  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
    Tcl_AppendResult(interp, "no such db: ", Tcl_GetString(objv[1]), (char*)0);
    return TCL_ERROR;
  }
  pDb = (SqliteDb*)cmdInfo.objClientData;
  if( Tcl_GetBooleanFromObj(interp, objv[2], &bPrepare) ){
    return TCL_ERROR;
  }

  pDb->bLegacyPrepare = bPrepare;

  Tcl_ResetResult(interp);
  return TCL_OK;
}

/*
** Tclcmd: db_last_stmt_ptr DB
**
**   If the statement cache associated with database DB is not empty,
**   return the text representation of the most recently used statement
**   handle.
*/
static int SQLITE_TCLAPI db_last_stmt_ptr(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  extern int sqlite3TestMakePointerStr(Tcl_Interp*, char*, void*);
  Tcl_CmdInfo cmdInfo;
  SqliteDb *pDb;
  sqlite3_stmt *pStmt = 0;

  char zBuf[100];

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB");
    return TCL_ERROR;
  }

  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
    Tcl_AppendResult(interp, "no such db: ", Tcl_GetString(objv[1]), (char*)0);
    return TCL_ERROR;
  }
  pDb = (SqliteDb*)cmdInfo.objClientData;

  if( pDb->stmtList ) pStmt = pDb->stmtList->pStmt;
  if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ){
    return TCL_ERROR;
  }
  Tcl_SetResult(interp, zBuf, TCL_VOLATILE);

  return TCL_OK;
}
#endif /* SQLITE_TEST */

/*
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself,
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
static void init_all(Tcl_Interp *interp){
  Sqlite3_Init(interp);

#if defined(SQLITE_TEST) || defined(SQLITE_TCLMD5)
  Md5_Init(interp);
#endif

#ifdef SQLITE_TEST
  {
    extern int Sqliteconfig_Init(Tcl_Interp*);
    extern int Sqlitetest1_Init(Tcl_Interp*);
    extern int Sqlitetest2_Init(Tcl_Interp*);
    extern int Sqlitetest3_Init(Tcl_Interp*);
    extern int Sqlitetest4_Init(Tcl_Interp*);
    extern int Sqlitetest5_Init(Tcl_Interp*);
    extern int Sqlitetest6_Init(Tcl_Interp*);
    extern int Sqlitetest7_Init(Tcl_Interp*);
    extern int Sqlitetest8_Init(Tcl_Interp*);
    extern int Sqlitetest9_Init(Tcl_Interp*);
    extern int Sqlitetestasync_Init(Tcl_Interp*);
    extern int Sqlitetest_autoext_Init(Tcl_Interp*);
    extern int Sqlitetest_blob_Init(Tcl_Interp*);
    extern int Sqlitetest_demovfs_Init(Tcl_Interp *);
    extern int Sqlitetest_func_Init(Tcl_Interp*);
    extern int Sqlitetest_hexio_Init(Tcl_Interp*);
    extern int Sqlitetest_init_Init(Tcl_Interp*);
    extern int Sqlitetest_malloc_Init(Tcl_Interp*);
    extern int Sqlitetest_mutex_Init(Tcl_Interp*);
    extern int Sqlitetestschema_Init(Tcl_Interp*);
    extern int Sqlitetestsse_Init(Tcl_Interp*);
    extern int Sqlitetesttclvar_Init(Tcl_Interp*);
    extern int Sqlitetestfs_Init(Tcl_Interp*);
    extern int SqlitetestThread_Init(Tcl_Interp*);
    extern int SqlitetestOnefile_Init();
    extern int SqlitetestOsinst_Init(Tcl_Interp*);
    extern int Sqlitetestbackup_Init(Tcl_Interp*);
    extern int Sqlitetestintarray_Init(Tcl_Interp*);
    extern int Sqlitetestvfs_Init(Tcl_Interp *);
    extern int Sqlitetestrtree_Init(Tcl_Interp*);
    extern int Sqlitequota_Init(Tcl_Interp*);
    extern int Sqlitemultiplex_Init(Tcl_Interp*);
    extern int SqliteSuperlock_Init(Tcl_Interp*);
    extern int SqlitetestSyscall_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    extern int TestSession_Init(Tcl_Interp*);
#endif
    extern int Fts5tcl_Init(Tcl_Interp *);
    extern int SqliteRbu_Init(Tcl_Interp*);
    extern int Sqlitetesttcl_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    extern int Sqlitetestfts3_Init(Tcl_Interp *interp);
#endif

#ifdef SQLITE_ENABLE_ZIPVFS
    extern int Zipvfs_Init(Tcl_Interp*);
    Zipvfs_Init(interp);
#endif

    Sqliteconfig_Init(interp);
    Sqlitetest1_Init(interp);
    Sqlitetest2_Init(interp);
    Sqlitetest3_Init(interp);
    Sqlitetest4_Init(interp);
    Sqlitetest5_Init(interp);
    Sqlitetest6_Init(interp);
    Sqlitetest7_Init(interp);
    Sqlitetest8_Init(interp);
    Sqlitetest9_Init(interp);
    Sqlitetestasync_Init(interp);
    Sqlitetest_autoext_Init(interp);
    Sqlitetest_blob_Init(interp);
    Sqlitetest_demovfs_Init(interp);
    Sqlitetest_func_Init(interp);
    Sqlitetest_hexio_Init(interp);
    Sqlitetest_init_Init(interp);
    Sqlitetest_malloc_Init(interp);
    Sqlitetest_mutex_Init(interp);
    Sqlitetestschema_Init(interp);
    Sqlitetesttclvar_Init(interp);
    Sqlitetestfs_Init(interp);
    SqlitetestThread_Init(interp);
    SqlitetestOnefile_Init();
    SqlitetestOsinst_Init(interp);
    Sqlitetestbackup_Init(interp);
    Sqlitetestintarray_Init(interp);
    Sqlitetestvfs_Init(interp);
    Sqlitetestrtree_Init(interp);
    Sqlitequota_Init(interp);
    Sqlitemultiplex_Init(interp);
    SqliteSuperlock_Init(interp);
    SqlitetestSyscall_Init(interp);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    TestSession_Init(interp);
#endif
    Fts5tcl_Init(interp);
    SqliteRbu_Init(interp);
    Sqlitetesttcl_Init(interp);

#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    Sqlitetestfts3_Init(interp);
#endif

    Tcl_CreateObjCommand(
        interp, "load_testfixture_extensions", init_all_cmd, 0, 0
    );
    Tcl_CreateObjCommand(
        interp, "db_use_legacy_prepare", db_use_legacy_prepare_cmd, 0, 0
    );
    Tcl_CreateObjCommand(
        interp, "db_last_stmt_ptr", db_last_stmt_ptr, 0, 0
    );

#ifdef SQLITE_SSE
    Sqlitetestsse_Init(interp);
#endif
  }
#endif
}

/* Needed for the setrlimit() system call on unix */
#if defined(unix)
#include <sys/resource.h>

#endif

#define TCLSH_MAIN main   /* Needed to fake out mktclapp */
int SQLITE_CDECL TCLSH_MAIN(int argc, char **argv){
  Tcl_Interp *interp;

#if !defined(_WIN32_WCE)
  if( getenv("BREAK") ){
    fprintf(stderr,
        "attach debugger to process %d and press any key to continue.\n",
        GETPID());
    fgetc(stdin);
  }
#endif

  /* Since the primary use case for this binary is testing of SQLite,
  ** be sure to generate core files if we crash */
#if defined(SQLITE_TEST) && defined(unix)
  { struct rlimit x;
    getrlimit(RLIMIT_CORE, &x);
    x.rlim_cur = x.rlim_max;
    setrlimit(RLIMIT_CORE, &x);
  }
#endif /* SQLITE_TEST && unix */


  /* Call sqlite3_shutdown() once before doing anything else. This is to
  ** test that sqlite3_shutdown() can be safely called by a process before
  ** sqlite3_initialize() is. */
  sqlite3_shutdown();

  Tcl_FindExecutable(argv[0]);
  Tcl_SetSystemEncoding(NULL, "utf-8");
  interp = Tcl_CreateInterp();


#if TCLSH==2
  sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
#endif

  init_all(interp);
  if( argc>=2 ){
    int i;
    char zArgc[32];
    sqlite3_snprintf(sizeof(zArgc), zArgc, "%d", argc-(3-TCLSH));
    Tcl_SetVar(interp,"argc", zArgc, TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv0",argv[1],TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);
    for(i=3-TCLSH; i<argc; i++){
      Tcl_SetVar(interp, "argv", argv[i],
          TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT | TCL_APPEND_VALUE);
    }
    if( TCLSH==1 && Tcl_EvalFile(interp, argv[1])!=TCL_OK ){







      const char *zInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
      if( zInfo==0 ) zInfo = Tcl_GetStringResult(interp);
      fprintf(stderr,"%s: %s\n", *argv, zInfo);
      return 1;
    }
  }
  if( TCLSH==2 || argc<=1 ){
    Tcl_GlobalEval(interp, tclsh_main_loop());
  }
  return 0;
}
#endif /* TCLSH */







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**
*************************************************************************
** A TCL Interface to SQLite.  Append this file to sqlite3.c and
** compile the whole thing to build a TCL-enabled version of SQLite.
**
** Compile-time options:
**
**  -DTCLSH         Add a "main()" routine that works as a tclsh.
**
**  -DTCLSH_INIT_PROC=name
**
**                  Invoke name(interp) to initialize the Tcl interpreter.
**                  If name(interp) returns a non-NULL string, then run
**                  that string as a Tcl script to launch the application.
**                  If name(interp) returns NULL, then run the regular
**                  tclsh-emulator code.
*/
#ifdef TCLSH_INIT_PROC
# define TCLSH 1
#endif

/*
** If requested, include the SQLite compiler options file for MSVC.
*/
#if defined(INCLUDE_MSVC_H)
# include "msvc.h"
#endif
................................................................................
  }

  /*    $db version
  **
  ** Return the version string for this database.
  */
  case DB_VERSION: {
    int i;
    for(i=2; i<objc; i++){
      const char *zArg = Tcl_GetString(objv[i]);
      /* Optional arguments to $db version are used for testing purpose */
#ifdef SQLITE_TEST
      /* $db version -use-legacy-prepare BOOLEAN
      **
      ** Turn the use of legacy sqlite3_prepare() on or off.
      */
      if( strcmp(zArg, "-use-legacy-prepare")==0 && i+1<objc ){
        i++;
        if( Tcl_GetBooleanFromObj(interp, objv[i], &pDb->bLegacyPrepare) ){
          return TCL_ERROR;
        }
      }else

      /* $db version -last-stmt-ptr
      **
      ** Return a string which is a hex encoding of the pointer to the
      ** most recent sqlite3_stmt in the statement cache.
      */
      if( strcmp(zArg, "-last-stmt-ptr")==0 ){
        char zBuf[100];
        sqlite3_snprintf(sizeof(zBuf), zBuf, "%p",
                         pDb->stmtList ? pDb->stmtList->pStmt: 0);
        Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
      }else
#endif /* SQLITE_TEST */
      {
        Tcl_AppendResult(interp, "unknown argument: ", zArg, (char*)0);
        return TCL_ERROR;
      }
    }
    if( i==2 ){   
      Tcl_SetResult(interp, (char *)sqlite3_libversion(), TCL_STATIC);
    }
    break;
  }


  } /* End of the SWITCH statement */
  return rc;
}
................................................................................
#ifndef SQLITE_3_SUFFIX_ONLY
int Sqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Tclsqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Sqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
int Tclsqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
#endif











/*




** If the TCLSH macro is defined, add code to make a stand-alone program.
*/



























































































































































































































































































































































































#if defined(TCLSH)















































/* This is the main routine for an ordinary TCL shell.  If there are
** are arguments, run the first argument as a script.  Otherwise,
** read TCL commands from standard input
*/

static const char *tclsh_main_loop(void){
  static const char zMainloop[] =
    "if {[llength $argv]>=1} {\n"
      "set argv0 [lindex $argv 0]\n"
      "set argv [lrange $argv 1 end]\n"
      "source $argv0\n"
    "} else {\n"
      "set line {}\n"
      "while {![eof stdin]} {\n"
        "if {$line!=\"\"} {\n"
          "puts -nonewline \"> \"\n"
        "} else {\n"
          "puts -nonewline \"% \"\n"
        "}\n"
        "flush stdout\n"
        "append line [gets stdin]\n"
        "if {[info complete $line]} {\n"
          "if {[catch {uplevel #0 $line} result]} {\n"
            "puts stderr \"Error: $result\"\n"
          "} elseif {$result!=\"\"} {\n"
            "puts $result\n"
          "}\n"
          "set line {}\n"
        "} else {\n"
          "append line \\n\n"
        "}\n"
      "}\n"
    "}\n"
  ;
  return zMainloop;
}









#define TCLSH_MAIN main   /* Needed to fake out mktclapp */
int SQLITE_CDECL TCLSH_MAIN(int argc, char **argv){
  Tcl_Interp *interp;
  int i;









































































  const char *zScript = 0;
  char zArgc[32];

























































































































































#if defined(TCLSH_INIT_PROC)

  extern const char *TCLSH_INIT_PROC(Tcl_Interp*);
#endif





#if !defined(_WIN32_WCE)
  if( getenv("BREAK") ){
    fprintf(stderr,
        "attach debugger to process %d and press any key to continue.\n",
        GETPID());
    fgetc(stdin);
  }
#endif












  /* Call sqlite3_shutdown() once before doing anything else. This is to
  ** test that sqlite3_shutdown() can be safely called by a process before
  ** sqlite3_initialize() is. */
  sqlite3_shutdown();

  Tcl_FindExecutable(argv[0]);
  Tcl_SetSystemEncoding(NULL, "utf-8");
  interp = Tcl_CreateInterp();
  Sqlite3_Init(interp);









  sqlite3_snprintf(sizeof(zArgc), zArgc, "%d", argc-1);
  Tcl_SetVar(interp,"argc", zArgc, TCL_GLOBAL_ONLY);
  Tcl_SetVar(interp,"argv0",argv[0],TCL_GLOBAL_ONLY);
  Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);
  for(i=1; i<argc; i++){
    Tcl_SetVar(interp, "argv", argv[i],
        TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT | TCL_APPEND_VALUE);
  }

#if defined(TCLSH_INIT_PROC)
  zScript = TCLSH_INIT_PROC(interp);
#endif
  if( zScript==0 ){
    zScript = tclsh_main_loop();
  }
  if( Tcl_GlobalEval(interp, zScript)!=TCL_OK ){
    const char *zInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
    if( zInfo==0 ) zInfo = Tcl_GetStringResult(interp);
    fprintf(stderr,"%s: %s\n", *argv, zInfo);
    return 1;




  }
  return 0;
}
#endif /* TCLSH */

Added src/test_md5.c.





































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/*
** 2017-10-13
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains code to implement an MD5 extension to TCL.
*/
#include "sqlite3.h"
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
# endif
#endif

/*
 * This code implements the MD5 message-digest algorithm.
 * The algorithm is due to Ron Rivest.  This code was
 * written by Colin Plumb in 1993, no copyright is claimed.
 * This code is in the public domain; do with it what you wish.
 *
 * Equivalent code is available from RSA Data Security, Inc.
 * This code has been tested against that, and is equivalent,
 * except that you don't need to include two pages of legalese
 * with every copy.
 *
 * To compute the message digest of a chunk of bytes, declare an
 * MD5Context structure, pass it to MD5Init, call MD5Update as
 * needed on buffers full of bytes, and then call MD5Final, which
 * will fill a supplied 16-byte array with the digest.
 */

/*
 * If compiled on a machine that doesn't have a 32-bit integer,
 * you just set "uint32" to the appropriate datatype for an
 * unsigned 32-bit integer.  For example:
 *
 *       cc -Duint32='unsigned long' md5.c
 *
 */
#ifndef uint32
#  define uint32 unsigned int
#endif

struct MD5Context {
  int isInit;
  uint32 buf[4];
  uint32 bits[2];
  unsigned char in[64];
};
typedef struct MD5Context MD5Context;

/*
 * Note: this code is harmless on little-endian machines.
 */
static void byteReverse (unsigned char *buf, unsigned longs){
        uint32 t;
        do {
                t = (uint32)((unsigned)buf[3]<<8 | buf[2]) << 16 |
                            ((unsigned)buf[1]<<8 | buf[0]);
                *(uint32 *)buf = t;
                buf += 4;
        } while (--longs);
}
/* The four core functions - F1 is optimized somewhat */

/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
        ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )

/*
 * The core of the MD5 algorithm, this alters an existing MD5 hash to
 * reflect the addition of 16 longwords of new data.  MD5Update blocks
 * the data and converts bytes into longwords for this routine.
 */
static void MD5Transform(uint32 buf[4], const uint32 in[16]){
        register uint32 a, b, c, d;

        a = buf[0];
        b = buf[1];
        c = buf[2];
        d = buf[3];

        MD5STEP(F1, a, b, c, d, in[ 0]+0xd76aa478,  7);
        MD5STEP(F1, d, a, b, c, in[ 1]+0xe8c7b756, 12);
        MD5STEP(F1, c, d, a, b, in[ 2]+0x242070db, 17);
        MD5STEP(F1, b, c, d, a, in[ 3]+0xc1bdceee, 22);
        MD5STEP(F1, a, b, c, d, in[ 4]+0xf57c0faf,  7);
        MD5STEP(F1, d, a, b, c, in[ 5]+0x4787c62a, 12);
        MD5STEP(F1, c, d, a, b, in[ 6]+0xa8304613, 17);
        MD5STEP(F1, b, c, d, a, in[ 7]+0xfd469501, 22);
        MD5STEP(F1, a, b, c, d, in[ 8]+0x698098d8,  7);
        MD5STEP(F1, d, a, b, c, in[ 9]+0x8b44f7af, 12);
        MD5STEP(F1, c, d, a, b, in[10]+0xffff5bb1, 17);
        MD5STEP(F1, b, c, d, a, in[11]+0x895cd7be, 22);
        MD5STEP(F1, a, b, c, d, in[12]+0x6b901122,  7);
        MD5STEP(F1, d, a, b, c, in[13]+0xfd987193, 12);
        MD5STEP(F1, c, d, a, b, in[14]+0xa679438e, 17);
        MD5STEP(F1, b, c, d, a, in[15]+0x49b40821, 22);

        MD5STEP(F2, a, b, c, d, in[ 1]+0xf61e2562,  5);
        MD5STEP(F2, d, a, b, c, in[ 6]+0xc040b340,  9);
        MD5STEP(F2, c, d, a, b, in[11]+0x265e5a51, 14);
        MD5STEP(F2, b, c, d, a, in[ 0]+0xe9b6c7aa, 20);
        MD5STEP(F2, a, b, c, d, in[ 5]+0xd62f105d,  5);
        MD5STEP(F2, d, a, b, c, in[10]+0x02441453,  9);
        MD5STEP(F2, c, d, a, b, in[15]+0xd8a1e681, 14);
        MD5STEP(F2, b, c, d, a, in[ 4]+0xe7d3fbc8, 20);
        MD5STEP(F2, a, b, c, d, in[ 9]+0x21e1cde6,  5);
        MD5STEP(F2, d, a, b, c, in[14]+0xc33707d6,  9);
        MD5STEP(F2, c, d, a, b, in[ 3]+0xf4d50d87, 14);
        MD5STEP(F2, b, c, d, a, in[ 8]+0x455a14ed, 20);
        MD5STEP(F2, a, b, c, d, in[13]+0xa9e3e905,  5);
        MD5STEP(F2, d, a, b, c, in[ 2]+0xfcefa3f8,  9);
        MD5STEP(F2, c, d, a, b, in[ 7]+0x676f02d9, 14);
        MD5STEP(F2, b, c, d, a, in[12]+0x8d2a4c8a, 20);

        MD5STEP(F3, a, b, c, d, in[ 5]+0xfffa3942,  4);
        MD5STEP(F3, d, a, b, c, in[ 8]+0x8771f681, 11);
        MD5STEP(F3, c, d, a, b, in[11]+0x6d9d6122, 16);
        MD5STEP(F3, b, c, d, a, in[14]+0xfde5380c, 23);
        MD5STEP(F3, a, b, c, d, in[ 1]+0xa4beea44,  4);
        MD5STEP(F3, d, a, b, c, in[ 4]+0x4bdecfa9, 11);
        MD5STEP(F3, c, d, a, b, in[ 7]+0xf6bb4b60, 16);
        MD5STEP(F3, b, c, d, a, in[10]+0xbebfbc70, 23);
        MD5STEP(F3, a, b, c, d, in[13]+0x289b7ec6,  4);
        MD5STEP(F3, d, a, b, c, in[ 0]+0xeaa127fa, 11);
        MD5STEP(F3, c, d, a, b, in[ 3]+0xd4ef3085, 16);
        MD5STEP(F3, b, c, d, a, in[ 6]+0x04881d05, 23);
        MD5STEP(F3, a, b, c, d, in[ 9]+0xd9d4d039,  4);
        MD5STEP(F3, d, a, b, c, in[12]+0xe6db99e5, 11);
        MD5STEP(F3, c, d, a, b, in[15]+0x1fa27cf8, 16);
        MD5STEP(F3, b, c, d, a, in[ 2]+0xc4ac5665, 23);

        MD5STEP(F4, a, b, c, d, in[ 0]+0xf4292244,  6);
        MD5STEP(F4, d, a, b, c, in[ 7]+0x432aff97, 10);
        MD5STEP(F4, c, d, a, b, in[14]+0xab9423a7, 15);
        MD5STEP(F4, b, c, d, a, in[ 5]+0xfc93a039, 21);
        MD5STEP(F4, a, b, c, d, in[12]+0x655b59c3,  6);
        MD5STEP(F4, d, a, b, c, in[ 3]+0x8f0ccc92, 10);
        MD5STEP(F4, c, d, a, b, in[10]+0xffeff47d, 15);
        MD5STEP(F4, b, c, d, a, in[ 1]+0x85845dd1, 21);
        MD5STEP(F4, a, b, c, d, in[ 8]+0x6fa87e4f,  6);
        MD5STEP(F4, d, a, b, c, in[15]+0xfe2ce6e0, 10);
        MD5STEP(F4, c, d, a, b, in[ 6]+0xa3014314, 15);
        MD5STEP(F4, b, c, d, a, in[13]+0x4e0811a1, 21);
        MD5STEP(F4, a, b, c, d, in[ 4]+0xf7537e82,  6);
        MD5STEP(F4, d, a, b, c, in[11]+0xbd3af235, 10);
        MD5STEP(F4, c, d, a, b, in[ 2]+0x2ad7d2bb, 15);
        MD5STEP(F4, b, c, d, a, in[ 9]+0xeb86d391, 21);

        buf[0] += a;
        buf[1] += b;
        buf[2] += c;
        buf[3] += d;
}

/*
 * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
 * initialization constants.
 */
static void MD5Init(MD5Context *ctx){
        ctx->isInit = 1;
        ctx->buf[0] = 0x67452301;
        ctx->buf[1] = 0xefcdab89;
        ctx->buf[2] = 0x98badcfe;
        ctx->buf[3] = 0x10325476;
        ctx->bits[0] = 0;
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)
                ctx->bits[1]++; /* Carry from low to high */
        ctx->bits[1] += len >> 29;

        t = (t >> 3) & 0x3f;    /* Bytes already in shsInfo->data */

        /* Handle any leading odd-sized chunks */

        if ( t ) {
                unsigned char *p = (unsigned char *)ctx->in + t;

                t = 64-t;
                if (len < t) {
                        memcpy(p, buf, len);
                        return;
                }
                memcpy(p, buf, t);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += t;
                len -= t;
        }

        /* Process data in 64-byte chunks */

        while (len >= 64) {
                memcpy(ctx->in, buf, 64);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += 64;
                len -= 64;
        }

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

        /* Compute number of bytes mod 64 */
        count = (ctx->bits[0] >> 3) & 0x3F;

        /* Set the first char of padding to 0x80.  This is safe since there is
           always at least one byte free */
        p = ctx->in + count;
        *p++ = 0x80;

        /* Bytes of padding needed to make 64 bytes */
        count = 64 - 1 - count;

        /* Pad out to 56 mod 64 */
        if (count < 8) {
                /* Two lots of padding:  Pad the first block to 64 bytes */
                memset(p, 0, count);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);

                /* Now fill the next block with 56 bytes */
                memset(ctx->in, 0, 56);
        } else {
                /* Pad block to 56 bytes */
                memset(p, 0, count-8);
        }
        byteReverse(ctx->in, 14);

        /* Append length in bits and transform */
        memcpy(ctx->in + 14*4, ctx->bits, 8);

        MD5Transform(ctx->buf, (uint32 *)ctx->in);
        byteReverse((unsigned char *)ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
}

/*
** Convert a 128-bit MD5 digest into a 32-digit base-16 number.
*/
static void MD5DigestToBase16(unsigned char *digest, char *zBuf){
  static char const zEncode[] = "0123456789abcdef";
  int i, j;

  for(j=i=0; i<16; i++){
    int a = digest[i];
    zBuf[j++] = zEncode[(a>>4)&0xf];
    zBuf[j++] = zEncode[a & 0xf];
  }
  zBuf[j] = 0;
}


/*
** Convert a 128-bit MD5 digest into sequency of eight 5-digit integers
** each representing 16 bits of the digest and separated from each
** other by a "-" character.
*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(50-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.
*/
static int SQLITE_TCLAPI md5_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** A TCL command to take the md5 hash of a file.  The argument is the
** name of the file.
*/
static int SQLITE_TCLAPI md5file_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  FILE *in;
  int ofst;
  int amt;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 && argc!=4 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " FILENAME [OFFSET AMT]\"", (char*)0);
    return TCL_ERROR;
  }
  if( argc==4 ){
    ofst = atoi(argv[2]);
    amt = atoi(argv[3]);
  }else{
    ofst = 0;
    amt = 2147483647;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1],
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  fseek(in, ofst, SEEK_SET);
  MD5Init(&ctx);
  while( amt>0 ){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf)<=amt ? sizeof(zBuf) : amt, in);
    if( n<=0 ) break;
    MD5Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
    amt -= n;
  }
  fclose(in);
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** Register the four new TCL commands for generating MD5 checksums
** with the TCL interpreter.
*/
int Md5_Init(Tcl_Interp *interp){
  Tcl_CreateCommand(interp, "md5", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5-10x8", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase10x8, 0);
  Tcl_CreateCommand(interp, "md5file", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5file-10x8", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase10x8, 0);
  return TCL_OK;
}

/*
** During testing, the special md5sum() aggregate function is available.
** inside SQLite.  The following routines implement that function.
*/
static void md5step(sqlite3_context *context, int argc, sqlite3_value **argv){
  MD5Context *p;
  int i;
  if( argc<1 ) return;
  p = sqlite3_aggregate_context(context, sizeof(*p));
  if( p==0 ) return;
  if( !p->isInit ){
    MD5Init(p);
  }
  for(i=0; i<argc; i++){
    const char *zData = (char*)sqlite3_value_text(argv[i]);
    if( zData ){
      MD5Update(p, (unsigned char*)zData, (int)strlen(zData));
    }
  }
}
static void md5finalize(sqlite3_context *context){
  MD5Context *p;
  unsigned char digest[16];
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pThunk
){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0,
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}

Added src/test_tclsh.c.













































































































































































































































































































































































































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/*
** 2017-10-13
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains extensions to the the "tclsqlite.c" module used for
** testing.  Basically, all of the other "test_*.c" modules are linked
** into the enhanced tclsh used for testing (and named "testfixture" or
** "testfixture.exe") using logic encoded by this file.
**
** The code in this file used to be found in tclsqlite3.c, contained within
** #if SQLITE_TEST ... #endif.  It is factored out into this separate module
** in an effort to keep the tclsqlite.c file pure.
*/
#include "sqlite3.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
# endif
#endif

/* Needed for the setrlimit() system call on unix */
#if defined(unix)
#include <sys/resource.h>
#endif

/* Forward declaration */
static int SQLITE_TCLAPI load_testfixture_extensions(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
);

/*
** This routine is the primary export of this file.
**
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself,
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
const char *sqlite3TestInit(Tcl_Interp *interp){
  extern int Sqlite3_Init(Tcl_Interp*);
  extern int Sqliteconfig_Init(Tcl_Interp*);
  extern int Sqlitetest1_Init(Tcl_Interp*);
  extern int Sqlitetest2_Init(Tcl_Interp*);
  extern int Sqlitetest3_Init(Tcl_Interp*);
  extern int Sqlitetest4_Init(Tcl_Interp*);
  extern int Sqlitetest5_Init(Tcl_Interp*);
  extern int Sqlitetest6_Init(Tcl_Interp*);
  extern int Sqlitetest7_Init(Tcl_Interp*);
  extern int Sqlitetest8_Init(Tcl_Interp*);
  extern int Sqlitetest9_Init(Tcl_Interp*);
  extern int Sqlitetestasync_Init(Tcl_Interp*);
  extern int Sqlitetest_autoext_Init(Tcl_Interp*);
  extern int Sqlitetest_blob_Init(Tcl_Interp*);
  extern int Sqlitetest_demovfs_Init(Tcl_Interp *);
  extern int Sqlitetest_func_Init(Tcl_Interp*);
  extern int Sqlitetest_hexio_Init(Tcl_Interp*);
  extern int Sqlitetest_init_Init(Tcl_Interp*);
  extern int Sqlitetest_malloc_Init(Tcl_Interp*);
  extern int Sqlitetest_mutex_Init(Tcl_Interp*);
  extern int Sqlitetestschema_Init(Tcl_Interp*);
  extern int Sqlitetestsse_Init(Tcl_Interp*);
  extern int Sqlitetesttclvar_Init(Tcl_Interp*);
  extern int Sqlitetestfs_Init(Tcl_Interp*);
  extern int SqlitetestThread_Init(Tcl_Interp*);
  extern int SqlitetestOnefile_Init();
  extern int SqlitetestOsinst_Init(Tcl_Interp*);
  extern int Sqlitetestbackup_Init(Tcl_Interp*);
  extern int Sqlitetestintarray_Init(Tcl_Interp*);
  extern int Sqlitetestvfs_Init(Tcl_Interp *);
  extern int Sqlitetestrtree_Init(Tcl_Interp*);
  extern int Sqlitequota_Init(Tcl_Interp*);
  extern int Sqlitemultiplex_Init(Tcl_Interp*);
  extern int SqliteSuperlock_Init(Tcl_Interp*);
  extern int SqlitetestSyscall_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
  extern int TestSession_Init(Tcl_Interp*);
#endif
  extern int Md5_Init(Tcl_Interp*);
  extern int Fts5tcl_Init(Tcl_Interp *);
  extern int SqliteRbu_Init(Tcl_Interp*);
  extern int Sqlitetesttcl_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
  extern int Sqlitetestfts3_Init(Tcl_Interp *interp);
#endif
#ifdef SQLITE_ENABLE_ZIPVFS
  extern int Zipvfs_Init(Tcl_Interp*);
#endif
  Tcl_CmdInfo cmdInfo;

  /* Since the primary use case for this binary is testing of SQLite,
  ** be sure to generate core files if we crash */
#if defined(unix)
  { struct rlimit x;
    getrlimit(RLIMIT_CORE, &x);
    x.rlim_cur = x.rlim_max;
    setrlimit(RLIMIT_CORE, &x);
  }
#endif /* unix */

  if( Tcl_GetCommandInfo(interp, "sqlite3", &cmdInfo)==0 ){
    Sqlite3_Init(interp);
  }
#ifdef SQLITE_ENABLE_ZIPVFS
  Zipvfs_Init(interp);
#endif
  Md5_Init(interp);
  Sqliteconfig_Init(interp);
  Sqlitetest1_Init(interp);
  Sqlitetest2_Init(interp);
  Sqlitetest3_Init(interp);
  Sqlitetest4_Init(interp);
  Sqlitetest5_Init(interp);
  Sqlitetest6_Init(interp);
  Sqlitetest7_Init(interp);
  Sqlitetest8_Init(interp);
  Sqlitetest9_Init(interp);
  Sqlitetestasync_Init(interp);
  Sqlitetest_autoext_Init(interp);
  Sqlitetest_blob_Init(interp);
  Sqlitetest_demovfs_Init(interp);
  Sqlitetest_func_Init(interp);
  Sqlitetest_hexio_Init(interp);
  Sqlitetest_init_Init(interp);
  Sqlitetest_malloc_Init(interp);
  Sqlitetest_mutex_Init(interp);
  Sqlitetestschema_Init(interp);
  Sqlitetesttclvar_Init(interp);
  Sqlitetestfs_Init(interp);
  SqlitetestThread_Init(interp);
  SqlitetestOnefile_Init();
  SqlitetestOsinst_Init(interp);
  Sqlitetestbackup_Init(interp);
  Sqlitetestintarray_Init(interp);
  Sqlitetestvfs_Init(interp);
  Sqlitetestrtree_Init(interp);
  Sqlitequota_Init(interp);
  Sqlitemultiplex_Init(interp);
  SqliteSuperlock_Init(interp);
  SqlitetestSyscall_Init(interp);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
  TestSession_Init(interp);
#endif
  Fts5tcl_Init(interp);
  SqliteRbu_Init(interp);
  Sqlitetesttcl_Init(interp);

#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
  Sqlitetestfts3_Init(interp);
#endif

  Tcl_CreateObjCommand(
      interp, "load_testfixture_extensions", load_testfixture_extensions,0,0
  );
  return 0;
}

/* tclcmd:   load_testfixture_extensions
*/
static int SQLITE_TCLAPI load_testfixture_extensions(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){

  Tcl_Interp *slave;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SLAVE");
    return TCL_ERROR;
  }

  slave = Tcl_GetSlave(interp, Tcl_GetString(objv[1]));
  if( !slave ){
    return TCL_ERROR;
  }

  (void)sqlite3TestInit(slave);
  return TCL_OK;
}

Changes to src/where.c.

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  }
}

/*
** Return TRUE if all of the following are true:
**
**   (1)  X has the same or lower cost that Y
**   (2)  X is a proper subset of Y
**   (3)  X skips at least as many columns as Y
**
** By "proper subset" we mean that X uses fewer WHERE clause terms
** than Y and that every WHERE clause term used by X is also used
** by Y.


**

** If X is a proper subset of Y then Y is a better choice and ought
** to have a lower cost.  This routine returns TRUE when that cost 
** relationship is inverted and needs to be adjusted.  The third rule
** was added because if X uses skip-scan less than Y it still might
** deserve a lower cost even if it is a proper subset of Y.


*/
static int whereLoopCheaperProperSubset(
  const WhereLoop *pX,       /* First WhereLoop to compare */
  const WhereLoop *pY        /* Compare against this WhereLoop */
){
  int i, j;
  if( pX->nLTerm-pX->nSkip >= pY->nLTerm-pY->nSkip ){
................................................................................
  }
  for(i=pX->nLTerm-1; i>=0; i--){
    if( pX->aLTerm[i]==0 ) continue;
    for(j=pY->nLTerm-1; j>=0; j--){
      if( pY->aLTerm[j]==pX->aLTerm[i] ) break;
    }
    if( j<0 ) return 0;  /* X not a subset of Y since term X[i] not used by Y */




  }
  return 1;  /* All conditions meet */
}

/*
** Try to adjust the cost of WhereLoop pTemplate upwards or downwards so
** that:







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  }
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/*
** Return TRUE if all of the following are true:
**
**   (1)  X has the same or lower cost that Y



**   (2)  X uses fewer WHERE clause terms than Y
**   (3)  Every WHERE clause term used by X is also used by Y

**   (4)  X skips at least as many columns as Y
**   (5)  If X is a covering index, than Y is too
**
** Conditions (2) and (3) mean that X is a "proper subset" of Y.
** If X is a proper subset of Y then Y is a better choice and ought
** to have a lower cost.  This routine returns TRUE when that cost 
** relationship is inverted and needs to be adjusted.  Constraint (4)
** was added because if X uses skip-scan less than Y it still might
** deserve a lower cost even if it is a proper subset of Y.  Constraint (5)
** was added because a covering index probably deserves to have a lower cost
** than a non-covering index even if it is a proper subset.
*/
static int whereLoopCheaperProperSubset(
  const WhereLoop *pX,       /* First WhereLoop to compare */
  const WhereLoop *pY        /* Compare against this WhereLoop */
){
  int i, j;
  if( pX->nLTerm-pX->nSkip >= pY->nLTerm-pY->nSkip ){
................................................................................
  }
  for(i=pX->nLTerm-1; i>=0; i--){
    if( pX->aLTerm[i]==0 ) continue;
    for(j=pY->nLTerm-1; j>=0; j--){
      if( pY->aLTerm[j]==pX->aLTerm[i] ) break;
    }
    if( j<0 ) return 0;  /* X not a subset of Y since term X[i] not used by Y */
  }
  if( (pX->wsFlags&WHERE_IDX_ONLY)!=0 
   && (pY->wsFlags&WHERE_IDX_ONLY)==0 ){
    return 0;  /* Constraint (5) */
  }
  return 1;  /* All conditions meet */
}

/*
** Try to adjust the cost of WhereLoop pTemplate upwards or downwards so
** that:

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  INSERT INTO t4 SELECT a, b, c, d, e, f FROM data;
  ANALYZE;
} {}

do_eqp_test 23.1 {
  SELECT * FROM t4 WHERE 
    (e=1 AND b='xyz' AND c='zyx' AND a<'AEA') AND f<300



} {
  0 0 0 {SEARCH TABLE t4 USING INDEX i41 (e=? AND c=? AND b=? AND a<?)}
}
do_eqp_test 23.2 {
  SELECT * FROM t4 WHERE 
    (e=1 AND b='xyz' AND c='zyx' AND a<'JJJ') AND f<300
} {
  0 0 0 {SEARCH TABLE t4 USING INDEX i42 (f<?)}
}







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  INSERT INTO t4 SELECT a, b, c, d, e, f FROM data;
  ANALYZE;
} {}

do_eqp_test 23.1 {
  SELECT * FROM t4 WHERE 
    (e=1 AND b='xyz' AND c='zyx' AND a<'AEA') AND f<300
  -- Formerly used index i41.  But i41 is not a covering index whereas
  -- the PRIMARY KEY is a covering index, and so as of 2017-10-15, the
  -- PRIMARY KEY is preferred.
} {
  0 0 0 {SEARCH TABLE t4 USING PRIMARY KEY (c=? AND b=? AND a<?)}
}
do_eqp_test 23.2 {
  SELECT * FROM t4 WHERE 
    (e=1 AND b='xyz' AND c='zyx' AND a<'JJJ') AND f<300
} {
  0 0 0 {SEARCH TABLE t4 USING INDEX i42 (f<?)}
}

Added test/checkfreelist.test.























































































































































































































































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# 2017-10-11
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the checkfreelist extension.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix checkfreelist

ifcapable !vtab||!compound {
  finish_test
  return
}

if {[file exists ../checkfreelist.so]==0} {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE TABLE t1(a, b);
}

db enable_load_extension 1
do_execsql_test 1.1 {
  SELECT load_extension('../checkfreelist.so');
} {{}}

do_execsql_test 1.2 { SELECT checkfreelist('main') } {ok}
do_execsql_test 1.3 {
  WITH s(i) AS (
    SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<10000
  )
  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
  DELETE FROM t1 WHERE rowid%3;
  PRAGMA freelist_count;
} {6726}

do_execsql_test 1.4 { SELECT checkfreelist('main') } {ok}
do_execsql_test 1.5 {
  WITH freelist_trunk(i, d, n) AS (
    SELECT 1, NULL, sqlite_readint32(data, 32) FROM sqlite_dbpage WHERE pgno=1
      UNION ALL
    SELECT n, data, sqlite_readint32(data) 
    FROM freelist_trunk, sqlite_dbpage WHERE pgno=n
  )
  SELECT i FROM freelist_trunk WHERE i!=1;
} {
  10010 9716 9344 8970 8596 8223 7848 7475 7103 6728 6355 5983 5609 5235
  4861 4488 4113 3741 3368 2993 2620 2248 1873 1500 1126 753 378 5
}

do_execsql_test 1.6 { SELECT checkfreelist('main') } {ok}

proc set_int {blob idx newval} {
  binary scan $blob I* ints
  lset ints $idx $newval
  binary format I* $ints
}
db func set_int set_int

proc get_int {blob idx} {
  binary scan $blob I* ints
  lindex $ints $idx
}
db func get_int get_int

do_execsql_test 1.7 {
  BEGIN;
    UPDATE sqlite_dbpage 
      SET data = set_int(data, 1, get_int(data, 1)-1) 
      WHERE pgno=4861;
    SELECT checkfreelist('main');
  ROLLBACK;
} {{free-list count mismatch: actual=6725 header=6726}}

do_execsql_test 1.8 {
  BEGIN;
    UPDATE sqlite_dbpage 
      SET data = set_int(data, 5, (SELECT * FROM pragma_page_count)+1)
      WHERE pgno=4861;
    SELECT checkfreelist('main');
  ROLLBACK;
} {{leaf page 10093 is out of range (child 3 of trunk page 4861)}}

do_execsql_test 1.9 {
  BEGIN;
    UPDATE sqlite_dbpage 
      SET data = set_int(data, 5, 0)
      WHERE pgno=4861;
    SELECT checkfreelist('main');
  ROLLBACK;
} {{leaf page 0 is out of range (child 3 of trunk page 4861)}}

do_execsql_test 1.10 {
  BEGIN;
    UPDATE sqlite_dbpage 
      SET data = set_int(data, get_int(data, 1)+1, 0)
      WHERE pgno=5;
    SELECT checkfreelist('main');
  ROLLBACK;
} {{leaf page 0 is out of range (child 247 of trunk page 5)}}

do_execsql_test 1.11 {
  BEGIN;
    UPDATE sqlite_dbpage 
      SET data = set_int(data, 1, 249)
      WHERE pgno=5;
    SELECT checkfreelist('main');
  ROLLBACK;
} {{leaf count out of range (249) on trunk page 5}}

finish_test

Changes to test/corruptK.test.

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  close $fd
} {}

do_catchsql_test 2.3 {
  INSERT INTO t1 VALUES(randomblob(900));
} {1 {database disk image is malformed}}

















































































































finish_test







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  close $fd
} {}

do_catchsql_test 2.3 {
  INSERT INTO t1 VALUES(randomblob(900));
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------

proc hex2blob {hex} {
  # Split on newlines:
  set bytes [list]
  foreach l [split $hex "\n"] {
    if {[string is space $l]} continue
    set L [list]
    foreach b [split $l] {
      if {[string is xdigit $b] && [string length $b]==2} { 
        lappend L [expr "0x$b"]
      }
    }
    if {[llength $L]!=16} {
      error "Badly formed hex (1)"
    }
    set bytes [concat $bytes $L]
  }

  binary format c* $bytes
}

reset_db
db func hex2blob hex2blob

do_execsql_test 3.1 {
  PRAGMA page_size=1024;
  CREATE TABLE t1(a, b, c);
  CREATE TABLE t2(a, b, c);
  CREATE TABLE t3(a, b, c);
  CREATE TABLE t4(a, b, c);
  CREATE TABLE t5(a, b, c);
}

do_execsql_test 3.2 {
  UPDATE sqlite_dbpage SET data = hex2blob('
 000: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00 SQLite format 3.
 010: 04 00 01 01 20 40 20 20 00 00 3e d9 00 00 00 06 .... @  ..>.....
 020: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 04 ................
 030: 0f 00 00 00 00 00 00 00 00 00 00 01 00 00 83 00 ................
 040: 00 00 00 00 00 00 00 00 00 00 00 00 00 38 00 00 .............8..
 050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3e d9 ..............>.
 060: 00 2d e6 07 0d 00 00 00 01 03 a0 00 03 e0 00 00 .-..............
 070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 0a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 0b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 0c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 0d0: 00 00 00 00 00 c1 00 00 00 00 00 00 00 00 00 00 ................
 0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 0f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 160: 00 83 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 180: 00 00 00 00 00 00 00 00 00 00 07 00 30 00 00 00 ............0...
 190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 1a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 1b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 1c0: 02 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00 ................
 1d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 1f0: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 220: 00 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 230: 0c 00 00 00 00 00 00 60 00 00 00 06 00 00 c3 00 .......`........
 240: 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 270: 00 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 ................
 280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 290: 04 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 2a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 2b0: 00 00 00 00 83 00 8c 00 00 00 00 00 00 00 00 00 ................
 2c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 2d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 2e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 2f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 310: 00 78 00 00 00 00 00 00 00 00 00 00 00 00 70 00 .x............p.
 320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 340: 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 ................
 350: 00 00 00 00 00 68 00 00 00 00 00 00 00 00 00 00 .....h..........
 360: 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 ................
 370: 00 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00 ................
 380: 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 ....p...........
 390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 3a0: 5e 01 07 17 1b 1b 01 81 13 74 61 62 6c 65 73 65 ^........tablese
 3b0: 6e 73 6f 32 73 73 65 6e 73 6f 72 73 02 43 52 45 nso2ssensors.CRE
 3c0: 41 54 45 20 54 41 42 4c 45 20 73 65 6e 73 6f 72 ATE TABLE sensor
 3d0: 73 20 0a 20 20 24 20 20 20 20 20 20 20 20 20 20 s .  $          
 3e0: b8 6e 61 6d 65 21 74 65 78 74 2c 20 79 61 6c 20 .name!text, yal 
 3f0: 72 65 61 6c 2c 20 74 69 6d 65 20 74 65 78 74 29 real, time text)
  ') WHERE pgno=1
}

db close
sqlite3 db test.db

do_catchsql_test 3.3 {
  PRAGMA integrity_check;
} {1 {database disk image is malformed}}



finish_test

Added test/dbpage.test.











































































































































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# 2017-10-11
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this file is testing the sqlite_dbpage virtual table.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix dbpage

ifcapable !vtab||!compound {
  finish_test
  return
}

do_execsql_test 100 {
  PRAGMA page_size=4096;
  PRAGMA journal_mode=WAL;
  CREATE TABLE t1(a,b);
  WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
  INSERT INTO t1(a,b) SELECT x, printf('%d-x%.*c',x,x,'x') FROM c;
  PRAGMA integrity_check;
} {wal ok}
do_execsql_test 110 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage('main') ORDER BY pgno;
} {1 X'53514C6974' 2 X'0500000001' 3 X'0D0000004E' 4 X'0D00000016'}
do_execsql_test 120 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=2;
} {2 X'0500000001'}
do_execsql_test 130 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=4;
} {4 X'0D00000016'}
do_execsql_test 140 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=5;
} {}
do_execsql_test 150 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage WHERE pgno=0;
} {}

do_execsql_test 200 {
  CREATE TEMP TABLE saved_content(x);
  INSERT INTO saved_content(x) SELECT data FROM sqlite_dbpage WHERE pgno=4;
  UPDATE sqlite_dbpage SET data=zeroblob(4096) WHERE pgno=4;
} {}
do_catchsql_test 210 {
  PRAGMA integrity_check;
} {1 {database disk image is malformed}}
do_execsql_test 220 {
  SELECT pgno, quote(substr(data,1,5)) FROM sqlite_dbpage('main') ORDER BY pgno;
} {1 X'53514C6974' 2 X'0500000001' 3 X'0D0000004E' 4 X'0000000000'}
do_execsql_test 230 {
  UPDATE sqlite_dbpage SET data=(SELECT x FROM saved_content) WHERE pgno=4;
} {}
do_catchsql_test 230 {
  PRAGMA integrity_check;
} {0 ok}




finish_test

Changes to test/permutations.test.

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test_suite "valgrind" -prefix "" -description {
  Run the "veryquick" test suite with a couple of multi-process tests (that
  fail under valgrind) omitted.
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* *_err* wal.test \
              shell*.test crash8.test atof1.test selectG.test \
              tkt-fc62af4523.test numindex1.test
] -initialize {
  set ::G(valgrind) 1
} -shutdown {
  unset -nocomplain ::G(valgrind)
}

test_suite "valgrind-nolookaside" -prefix "" -description {
................................................................................
} -dbconfig {
  optimization_control $::dbhandle all 0
}

test_suite "prepare" -description {
  Run tests with the db connection using sqlite3_prepare() instead of _v2().
} -dbconfig {
  db_use_legacy_prepare $::dbhandle 1
  #$::dbhandle cache size 0
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* \
      stmtvtab1.test index9.test
]

# End of tests







|







 







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test_suite "valgrind" -prefix "" -description {
  Run the "veryquick" test suite with a couple of multi-process tests (that
  fail under valgrind) omitted.
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* *_err* wal.test \
              shell*.test crash8.test atof1.test selectG.test \
              tkt-fc62af4523.test numindex1.test corruptK.test
] -initialize {
  set ::G(valgrind) 1
} -shutdown {
  unset -nocomplain ::G(valgrind)
}

test_suite "valgrind-nolookaside" -prefix "" -description {
................................................................................
} -dbconfig {
  optimization_control $::dbhandle all 0
}

test_suite "prepare" -description {
  Run tests with the db connection using sqlite3_prepare() instead of _v2().
} -dbconfig {
  $::dbhandle version -use-legacy-prepare 1
  #$::dbhandle cache size 0
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* \
      stmtvtab1.test index9.test
]

# End of tests

Changes to test/scanstatus.test.

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  INSERT INTO t1 VALUES(3, 4);
  INSERT INTO t2 VALUES('a', 'b');
  INSERT INTO t2 VALUES('c', 'd');
  INSERT INTO t2 VALUES('e', 'f');
}

proc do_scanstatus_test {tn res} {
  set stmt [db_last_stmt_ptr db]
  set idx 0
  set ret [list]
  while {1} {
    set r [sqlite3_stmt_scanstatus $stmt $idx]
    if {[llength $r]==0} break
    lappend ret {*}$r
    incr idx
................................................................................
do_scanstatus_test 1.9 {
  nLoop 2 nVisit 4 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 4 nVisit 8 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}

do_test 1.9 {
  sqlite3_stmt_scanstatus_reset [db_last_stmt_ptr db]
} {}

do_scanstatus_test 1.10 {
  nLoop 0 nVisit 0 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 0 nVisit 0 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}







|







 







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  INSERT INTO t1 VALUES(3, 4);
  INSERT INTO t2 VALUES('a', 'b');
  INSERT INTO t2 VALUES('c', 'd');
  INSERT INTO t2 VALUES('e', 'f');
}

proc do_scanstatus_test {tn res} {
  set stmt [db version -last-stmt-ptr]
  set idx 0
  set ret [list]
  while {1} {
    set r [sqlite3_stmt_scanstatus $stmt $idx]
    if {[llength $r]==0} break
    lappend ret {*}$r
    incr idx
................................................................................
do_scanstatus_test 1.9 {
  nLoop 2 nVisit 4 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 4 nVisit 8 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}

do_test 1.9 {
  sqlite3_stmt_scanstatus_reset [db version -last-stmt-ptr]
} {}

do_scanstatus_test 1.10 {
  nLoop 0 nVisit 0 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 0 nVisit 0 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}

Added tool/mkccode.tcl.



























































































































































































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#!/usr/bin/tclsh
#
# Use this script to build C-language source code for a program that uses
# tclsqlite.c together with custom TCL scripts and/or C extensions for
# either SQLite or TCL.
#
# Usage example:
#
#     tclsh mktclsqliteprog.tcl demoapp.c.in >demoapp.c
#
# The demoapp.c.in file contains a mixture of C code, TCL script, and
# processing directives used by mktclsqliteprog.tcl to build the final C-code
# output file.  Most lines of demoapp.c.in are copied straight through into
# the output.  The following control directives are recognized:
#
# BEGIN_STRING
#
#      This marks the beginning of large string literal - usually a TCL
#      script of some kind.  Subsequent lines of text through the first
#      line that begins with END_STRING are converted into a C-language
#      string literal.
#
# INCLUDE path
#
#      The path argument is the name of a file to be inserted in place of
#      the INCLUDE line.  The path can begin with $ROOT to signify the
#      root of the SQLite source tree, or $HOME to signify the directory
#      that contains the demoapp.c.in input script itself.  If the path does
#      not begin with either $ROOT or $HOME, then it is interpreted relative
#      to the current working directory.
#
#      If the INCLUDE occurs in the middle of BEGIN_STRING...END_STRING
#      then all of the text in the input file is converted into C-language
#      string literals.
#
# None of the control directives described above will nest.  Only the
# top-level input file ("demoapp.c.in" in the example) is interpreted.
# referenced files are copied verbatim.
#
if {[llength $argv]!=1} {
  puts stderr "Usage: $argv0 TEMPLATE >OUTPUT"
  exit 1
}
set infile [lindex $argv 0]
set ROOT [file normalize [file dir $argv0]/..]
set HOME [file normalize [file dir $infile]]
set in [open $infile rb]
puts [subst {/* DO NOT EDIT
**
** This file was generated by \"$argv0 $infile\".
** To make changes, edit $infile then rerun the generator
** command.
*/}]
set instr 0
while {1} {
  set line [gets $in]
  if {[eof $in]} break
  if {[regexp {^INCLUDE (.*)} $line all path]} {
    regsub {^\$ROOT\y} $path $ROOT path
    regsub {^\$HOME\y} $path $HOME path
    set in2 [open $path rb]
    puts "/* INCLUDE $path */"
    if {$instr} {
      while {1} {
        set line [gets $in2]
        if {[eof $in2]} break
        set x [string map "\\\\ \\\\\\\\ \\\" \\\\\"" $line]
        puts "\"$x\\n\""
      }
    } else {
      puts [read $in2]
    }
    puts "/* END $path */"
    close $in2
    continue
  }
  if {[regexp {^BEGIN_STRING} $line]} {
    set instr 1
    puts "/* BEGIN_STRING */"
    continue
  }
  if {[regexp {^END_STRING} $line]} {
    set instr 0
    puts "/* END_STRING */"
    continue
  }
  if {$instr} {
    set x [string map "\\\\ \\\\\\\\ \\\" \\\\\"" $line]
    puts "\"$x\\n\""
  } else {
    puts $line
  }
}

Changes to tool/mksqlite3c.tcl.

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   fts3_unicode2.c

   rtree.c
   icu.c
   fts3_icu.c
   sqlite3rbu.c
   dbstat.c

   sqlite3session.c
   json1.c
   fts5.c
   stmt.c
} {
  copy_file tsrc/$file
}







>







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   fts3_unicode2.c

   rtree.c
   icu.c
   fts3_icu.c
   sqlite3rbu.c
   dbstat.c
   dbpage.c
   sqlite3session.c
   json1.c
   fts5.c
   stmt.c
} {
  copy_file tsrc/$file
}

Changes to tool/split-sqlite3c.tcl.

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set MAX 32768    ;# Maximum number of lines per file.

set BEGIN {^/\*+ Begin file ([a-zA-Z0-9_.]+) \*+/}
set END   {^/\*+ End of %s \*+/}

set in [open sqlite3.c]
set out1 [open sqlite3-all.c w]


# Copy the header from sqlite3.c into sqlite3-all.c
#
while {[gets $in line]} {
  if {[regexp $BEGIN $line]} break
  puts $out1 $line
}
................................................................................
# Also add an appropriate #include to sqlite3-all.c
#
set filecnt 0
proc write_one_file {content} {
  global filecnt
  incr filecnt
  set out [open sqlite3-$filecnt.c w]

  puts -nonewline $out $content
  close $out
  puts $::out1 "#include \"sqlite3-$filecnt.c\""
}

# Continue reading input.  Store chunks in separate files and add
# the #includes to the main sqlite3-all.c file as necessary to reference







>







 







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set MAX 32768    ;# Maximum number of lines per file.

set BEGIN {^/\*+ Begin file ([a-zA-Z0-9_.]+) \*+/}
set END   {^/\*+ End of %s \*+/}

set in [open sqlite3.c]
set out1 [open sqlite3-all.c w]
fconfigure $out1 -translation lf

# Copy the header from sqlite3.c into sqlite3-all.c
#
while {[gets $in line]} {
  if {[regexp $BEGIN $line]} break
  puts $out1 $line
}
................................................................................
# Also add an appropriate #include to sqlite3-all.c
#
set filecnt 0
proc write_one_file {content} {
  global filecnt
  incr filecnt
  set out [open sqlite3-$filecnt.c w]
  fconfigure $out -translation lf
  puts -nonewline $out $content
  close $out
  puts $::out1 "#include \"sqlite3-$filecnt.c\""
}

# Continue reading input.  Store chunks in separate files and add
# the #includes to the main sqlite3-all.c file as necessary to reference

Added tool/sqlite3_analyzer.c.in.























































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/*
** Read an SQLite database file and analyze its space utilization.  Generate
** text on standard output.
*/
#define TCLSH_INIT_PROC sqlite3_analyzer_init_proc
#define SQLITE_ENABLE_DBSTAT_VTAB 1
#undef SQLITE_THREADSAFE
#define SQLITE_THREADSAFE 0
#undef SQLITE_ENABLE_COLUMN_METADATA
#define SQLITE_OMIT_DECLTYPE 1
#define SQLITE_OMIT_DEPRECATED 1
#define SQLITE_OMIT_PROGRESS_CALLBACK 1
#define SQLITE_OMIT_SHARED_CACHE 1
#define SQLITE_DEFAULT_MEMSTATUS 0
#define SQLITE_MAX_EXPR_DEPTH 0
#define SQLITE_OMIT_LOAD_EXTENSION 1
INCLUDE sqlite3.c
INCLUDE $ROOT/src/tclsqlite.c

const char *sqlite3_analyzer_init_proc(Tcl_Interp *interp){
  (void)interp;
  return
BEGIN_STRING
INCLUDE $ROOT/tool/spaceanal.tcl
END_STRING
;
}

Deleted tool/tostr.tcl.

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#!/usr/bin/tcl
#
# Convert input text into a C string
#
set in [open [lindex $argv 0] rb]
while {![eof $in]} {
  set line [gets $in]
  if {[eof $in]} break;
  set x [string map "\\\\ \\\\\\\\ \\\" \\\\\"" $line]
  puts "\"$x\\n\""
}
close $in
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