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Overview
Comment:Merge updates from trunk.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | cygDlOpen
Files: files | file ages | folders
SHA1:854d410ad3a2bb3af5465d933ac9535fe3f22bfe
User & Date: mistachkin 2014-02-24 21:23:07
Context
2014-03-06
00:30
Better loadable extension handling in the Win32 VFS when compiled for Cygwin. check-in: 29b0a4f1 user: mistachkin tags: trunk
2014-02-24
21:23
Merge updates from trunk. Closed-Leaf check-in: 854d410a user: mistachkin tags: cygDlOpen
21:20
Enhance testing support for the Win32 VFS dynamic extension loading facilities. check-in: 53081e72 user: mistachkin tags: trunk
2014-02-21
05:44
Better loadable extension handling in the Win32 VFS when compiled for Cygwin. check-in: 6676475c user: mistachkin tags: cygDlOpen
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.msc.

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testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)





fulltest:	testfixture.exe sqlite3.exe
	.\testfixture.exe $(TOP)\test\all.test

soaktest:	testfixture.exe sqlite3.exe
	.\testfixture.exe $(TOP)\test\all.test -soak=1

fulltestonly:	testfixture.exe sqlite3.exe
................................................................................
	$(NAWK) -f $(TOP)\tool\tostr.awk $(TOP)\tool\spaceanal.tcl >> $@
	echo ; return zMainloop; } >> $@

sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) -DBUILD_sqlite -DTCLSH=2 -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)







showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showdb.c $(SQLITE3C)

wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\wordcount.c $(SQLITE3C)
................................................................................
	-rmdir /Q/S .libs
	-rmdir /Q/S quota2a
	-rmdir /Q/S quota2b
	-rmdir /Q/S quota2c
	-rmdir /Q/S tsrc
	del /Q .target_source
	del /Q tclsqlite3.exe tclsqlite3.exp

	del /Q testfixture.exe testfixture.exp test.db
	del /Q sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def
	del /Q sqlite3.c sqlite3-*.c
	del /Q sqlite3rc.h
	del /Q shell.c sqlite3ext.h
	del /Q sqlite3_analyzer.exe sqlite3_analyzer.exp sqlite3_analyzer.c
	del /Q sqlite-*-output.vsix







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testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

extensiontest: testfixture.exe testloadext.dll
	.\testfixture.exe $(TOP)\test\loadext.test
	.\testfixture.exe $(TOP)\test\loadext2.test

fulltest:	testfixture.exe sqlite3.exe
	.\testfixture.exe $(TOP)\test\all.test

soaktest:	testfixture.exe sqlite3.exe
	.\testfixture.exe $(TOP)\test\all.test -soak=1

fulltestonly:	testfixture.exe sqlite3.exe
................................................................................
	$(NAWK) -f $(TOP)\tool\tostr.awk $(TOP)\tool\spaceanal.tcl >> $@
	echo ; return zMainloop; } >> $@

sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) -DBUILD_sqlite -DTCLSH=2 -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

testloadext.lo:	$(TOP)\src\test_loadext.c
	$(LTCOMPILE) -c $(TOP)\src\test_loadext.c

testloadext.dll: testloadext.lo
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /OUT:$@ testloadext.lo

showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showdb.c $(SQLITE3C)

wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
	$(LTLINK) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\wordcount.c $(SQLITE3C)
................................................................................
	-rmdir /Q/S .libs
	-rmdir /Q/S quota2a
	-rmdir /Q/S quota2b
	-rmdir /Q/S quota2c
	-rmdir /Q/S tsrc
	del /Q .target_source
	del /Q tclsqlite3.exe tclsqlite3.exp
	del /Q testloadext.dll testloadext.exp
	del /Q testfixture.exe testfixture.exp test.db
	del /Q sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def
	del /Q sqlite3.c sqlite3-*.c
	del /Q sqlite3rc.h
	del /Q shell.c sqlite3ext.h
	del /Q sqlite3_analyzer.exe sqlite3_analyzer.exp sqlite3_analyzer.c
	del /Q sqlite-*-output.vsix

Changes to src/mem5.c.

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  mem5.nAlloc++;
  mem5.totalAlloc += iFullSz;
  mem5.totalExcess += iFullSz - nByte;
  mem5.currentCount++;
  mem5.currentOut += iFullSz;
  if( mem5.maxCount<mem5.currentCount ) mem5.maxCount = mem5.currentCount;
  if( mem5.maxOut<mem5.currentOut ) mem5.maxOut = mem5.currentOut;







  /* Return a pointer to the allocated memory. */
  return (void*)&mem5.zPool[i*mem5.szAtom];
}

/*
** Free an outstanding memory allocation.
................................................................................
      iBlock = iBuddy;
    }else{
      mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;
      mem5.aCtrl[iBuddy] = 0;
    }
    size *= 2;
  }







  memsys5Link(iBlock, iLogsize);
}

/*
** Allocate nBytes of memory.
*/
static void *memsys5Malloc(int nBytes){







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  mem5.nAlloc++;
  mem5.totalAlloc += iFullSz;
  mem5.totalExcess += iFullSz - nByte;
  mem5.currentCount++;
  mem5.currentOut += iFullSz;
  if( mem5.maxCount<mem5.currentCount ) mem5.maxCount = mem5.currentCount;
  if( mem5.maxOut<mem5.currentOut ) mem5.maxOut = mem5.currentOut;

#ifdef SQLITE_DEBUG
  /* Make sure the allocated memory does not assume that it is set to zero
  ** or retains a value from a previous allocation */
  memset(&mem5.zPool[i*mem5.szAtom], 0xAA, iFullSz);
#endif

  /* Return a pointer to the allocated memory. */
  return (void*)&mem5.zPool[i*mem5.szAtom];
}

/*
** Free an outstanding memory allocation.
................................................................................
      iBlock = iBuddy;
    }else{
      mem5.aCtrl[iBlock] = CTRL_FREE | iLogsize;
      mem5.aCtrl[iBuddy] = 0;
    }
    size *= 2;
  }

#ifdef SQLITE_DEBUG
  /* Overwrite freed memory with the 0x55 bit pattern to verify that it is
  ** not used after being freed */
  memset(&mem5.zPool[iBlock*mem5.szAtom], 0x55, size);
#endif

  memsys5Link(iBlock, iLogsize);
}

/*
** Allocate nBytes of memory.
*/
static void *memsys5Malloc(int nBytes){

Changes to src/os_win.c.

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}

#ifndef SQLITE_OMIT_LOAD_EXTENSION
/*
** Interfaces for opening a shared library, finding entry points
** within the shared library, and closing the shared library.
*/
/*
** Interfaces for opening a shared library, finding entry points
** within the shared library, and closing the shared library.
*/
static void *winDlOpen(sqlite3_vfs *pVfs, const char *zFilename){
  HANDLE h;
#if defined(__CYGWIN__)
  int nFull = pVfs->mxPathname+1;
  char *zFull = sqlite3MallocZero( nFull );
  void *zConverted = 0;
  if( zFull==0 ){

    return 0;
  }
  if( winFullPathname(pVfs, zFilename, nFull, zFull)!=SQLITE_OK ){
    sqlite3_free(zFull);

    return 0;
  }
  zConverted = winConvertFromUtf8Filename(zFull);
  sqlite3_free(zFull);
#else
  void *zConverted = winConvertFromUtf8Filename(zFilename);
  UNUSED_PARAMETER(pVfs);
#endif
  if( zConverted==0 ){

    return 0;
  }
  if( osIsNT() ){
#if SQLITE_OS_WINRT
    h = osLoadPackagedLibrary((LPCWSTR)zConverted, 0);
#else
    h = osLoadLibraryW((LPCWSTR)zConverted);
................................................................................
#endif
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    h = osLoadLibraryA((char*)zConverted);
  }
#endif

  sqlite3_free(zConverted);
  return (void*)h;
}
static void winDlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){
  UNUSED_PARAMETER(pVfs);
  winGetLastErrorMsg(osGetLastError(), nBuf, zBufOut);
}
static void (*winDlSym(sqlite3_vfs *pVfs,void *pH,const char *zSym))(void){

  UNUSED_PARAMETER(pVfs);
  return (void(*)(void))osGetProcAddressA((HANDLE)pH, zSym);



}
static void winDlClose(sqlite3_vfs *pVfs, void *pHandle){
  UNUSED_PARAMETER(pVfs);
  osFreeLibrary((HANDLE)pHandle);

}
#else /* if SQLITE_OMIT_LOAD_EXTENSION is defined: */
  #define winDlOpen  0
  #define winDlError 0
  #define winDlSym   0
  #define winDlClose 0
#endif







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}

#ifndef SQLITE_OMIT_LOAD_EXTENSION
/*
** Interfaces for opening a shared library, finding entry points
** within the shared library, and closing the shared library.
*/




static void *winDlOpen(sqlite3_vfs *pVfs, const char *zFilename){
  HANDLE h;
#if defined(__CYGWIN__)
  int nFull = pVfs->mxPathname+1;
  char *zFull = sqlite3MallocZero( nFull );
  void *zConverted = 0;
  if( zFull==0 ){
    OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)0));
    return 0;
  }
  if( winFullPathname(pVfs, zFilename, nFull, zFull)!=SQLITE_OK ){
    sqlite3_free(zFull);
    OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)0));
    return 0;
  }
  zConverted = winConvertFromUtf8Filename(zFull);
  sqlite3_free(zFull);
#else
  void *zConverted = winConvertFromUtf8Filename(zFilename);
  UNUSED_PARAMETER(pVfs);
#endif
  if( zConverted==0 ){
    OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)0));
    return 0;
  }
  if( osIsNT() ){
#if SQLITE_OS_WINRT
    h = osLoadPackagedLibrary((LPCWSTR)zConverted, 0);
#else
    h = osLoadLibraryW((LPCWSTR)zConverted);
................................................................................
#endif
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    h = osLoadLibraryA((char*)zConverted);
  }
#endif
  OSTRACE(("DLOPEN name=%s, handle=%p\n", zFilename, (void*)h));
  sqlite3_free(zConverted);
  return (void*)h;
}
static void winDlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){
  UNUSED_PARAMETER(pVfs);
  winGetLastErrorMsg(osGetLastError(), nBuf, zBufOut);
}
static void (*winDlSym(sqlite3_vfs *pVfs,void *pH,const char *zSym))(void){
  FARPROC pProc;
  UNUSED_PARAMETER(pVfs);
  pProc = osGetProcAddressA((HANDLE)pH, zSym);
  OSTRACE(("DLSYM handle=%p, symbol=%s, proc=%p\n",
           (void*)pH, zSym, (void*)pProc));
  return (void(*)(void))pProc;
}
static void winDlClose(sqlite3_vfs *pVfs, void *pHandle){
  UNUSED_PARAMETER(pVfs);
  osFreeLibrary((HANDLE)pHandle);
  OSTRACE(("DLCLOSE handle=%p\n", (void*)pHandle));
}
#else /* if SQLITE_OMIT_LOAD_EXTENSION is defined: */
  #define winDlOpen  0
  #define winDlError 0
  #define winDlSym   0
  #define winDlClose 0
#endif

Changes to src/test_loadext.c.

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    sqlite3_result_int(context, cur);
  }
}

/*
** Extension load function.
*/



int testloadext_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int nErr = 0;
  SQLITE_EXTENSION_INIT2(pApi);
................................................................................
                          statusFunc, 0, 0);
  return nErr ? SQLITE_ERROR : SQLITE_OK;
}

/*
** Another extension entry point. This one always fails.
*/



int testbrokenext_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  char *zErr;
  SQLITE_EXTENSION_INIT2(pApi);
  zErr = sqlite3_mprintf("broken!");
  *pzErrMsg = zErr;
  return 1;
}







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    sqlite3_result_int(context, cur);
  }
}

/*
** Extension load function.
*/
#ifdef _WIN32
__declspec(dllexport)
#endif
int testloadext_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int nErr = 0;
  SQLITE_EXTENSION_INIT2(pApi);
................................................................................
                          statusFunc, 0, 0);
  return nErr ? SQLITE_ERROR : SQLITE_OK;
}

/*
** Another extension entry point. This one always fails.
*/
#ifdef _WIN32
__declspec(dllexport)
#endif
int testbrokenext_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  char *zErr;
  SQLITE_EXTENSION_INIT2(pApi);
  zErr = sqlite3_mprintf("broken!");
  *pzErrMsg = zErr;
  return 1;
}

Changes to src/vdbe.c.

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  Mem *pIn2 = 0;             /* 2nd input operand */
  Mem *pIn3 = 0;             /* 3rd input operand */
  Mem *pOut = 0;             /* Output operand */
  int *aPermute = 0;         /* Permutation of columns for OP_Compare */
  i64 lastRowid = db->lastRowid;  /* Saved value of the last insert ROWID */
#ifdef VDBE_PROFILE
  u64 start;                 /* CPU clock count at start of opcode */
  int origPc;                /* Program counter at start of opcode */
#endif
  /*** INSERT STACK UNION HERE ***/

  assert( p->magic==VDBE_MAGIC_RUN );  /* sqlite3_step() verifies this */
  sqlite3VdbeEnter(p);
  if( p->rc==SQLITE_NOMEM ){
    /* This happens if a malloc() inside a call to sqlite3_column_text() or
................................................................................
  }
  sqlite3EndBenignMalloc();
#endif
  for(pc=p->pc; rc==SQLITE_OK; pc++){
    assert( pc>=0 && pc<p->nOp );
    if( db->mallocFailed ) goto no_mem;
#ifdef VDBE_PROFILE
    origPc = pc;
    start = sqlite3Hwtime();
#endif
    nVmStep++;
    pOp = &aOp[pc];

    /* Only allow tracing if SQLITE_DEBUG is defined.
    */
................................................................................
    }

#ifdef VDBE_PROFILE
    {
      u64 elapsed = sqlite3Hwtime() - start;
      pOp->cycles += elapsed;
      pOp->cnt++;
#if 0
        fprintf(stdout, "%10llu ", elapsed);
        sqlite3VdbePrintOp(stdout, origPc, &aOp[origPc]);
#endif
    }
#endif

    /* The following code adds nothing to the actual functionality
    ** of the program.  It is only here for testing and debugging.
    ** On the other hand, it does burn CPU cycles every time through
    ** the evaluator loop.  So we can leave it out when NDEBUG is defined.







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  Mem *pIn2 = 0;             /* 2nd input operand */
  Mem *pIn3 = 0;             /* 3rd input operand */
  Mem *pOut = 0;             /* Output operand */
  int *aPermute = 0;         /* Permutation of columns for OP_Compare */
  i64 lastRowid = db->lastRowid;  /* Saved value of the last insert ROWID */
#ifdef VDBE_PROFILE
  u64 start;                 /* CPU clock count at start of opcode */

#endif
  /*** INSERT STACK UNION HERE ***/

  assert( p->magic==VDBE_MAGIC_RUN );  /* sqlite3_step() verifies this */
  sqlite3VdbeEnter(p);
  if( p->rc==SQLITE_NOMEM ){
    /* This happens if a malloc() inside a call to sqlite3_column_text() or
................................................................................
  }
  sqlite3EndBenignMalloc();
#endif
  for(pc=p->pc; rc==SQLITE_OK; pc++){
    assert( pc>=0 && pc<p->nOp );
    if( db->mallocFailed ) goto no_mem;
#ifdef VDBE_PROFILE

    start = sqlite3Hwtime();
#endif
    nVmStep++;
    pOp = &aOp[pc];

    /* Only allow tracing if SQLITE_DEBUG is defined.
    */
................................................................................
    }

#ifdef VDBE_PROFILE
    {
      u64 elapsed = sqlite3Hwtime() - start;
      pOp->cycles += elapsed;
      pOp->cnt++;




    }
#endif

    /* The following code adds nothing to the actual functionality
    ** of the program.  It is only here for testing and debugging.
    ** On the other hand, it does burn CPU cycles every time through
    ** the evaluator loop.  So we can leave it out when NDEBUG is defined.

Changes to src/vdbe.h.

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    SubProgram *pProgram;  /* Used when p4type is P4_SUBPROGRAM */
    int (*xAdvance)(BtCursor *, int *);
  } p4;
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
  char *zComment;          /* Comment to improve readability */
#endif
#ifdef VDBE_PROFILE
  int cnt;                 /* Number of times this instruction was executed */
  u64 cycles;              /* Total time spent executing this instruction */
#endif
#ifdef SQLITE_VDBE_COVERAGE
  int iSrcLine;            /* Source-code line that generated this opcode */
#endif
};
typedef struct VdbeOp VdbeOp;







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    SubProgram *pProgram;  /* Used when p4type is P4_SUBPROGRAM */
    int (*xAdvance)(BtCursor *, int *);
  } p4;
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
  char *zComment;          /* Comment to improve readability */
#endif
#ifdef VDBE_PROFILE
  u32 cnt;                 /* Number of times this instruction was executed */
  u64 cycles;              /* Total time spent executing this instruction */
#endif
#ifdef SQLITE_VDBE_COVERAGE
  int iSrcLine;            /* Source-code line that generated this opcode */
#endif
};
typedef struct VdbeOp VdbeOp;

Changes to src/vdbeaux.c.

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          if( pc=='\n' ) fprintf(out, "-- ");
          putc(c, out);
          pc = c;
        }
        if( pc!='\n' ) fprintf(out, "\n");
      }
      for(i=0; i<p->nOp; i++){
        fprintf(out, "%6d %10lld %8lld ",

           p->aOp[i].cnt,
           p->aOp[i].cycles,
           p->aOp[i].cnt>0 ? p->aOp[i].cycles/p->aOp[i].cnt : 0
        );

        sqlite3VdbePrintOp(out, i, &p->aOp[i]);
      }
      fclose(out);
    }
  }
#endif
  p->iCurrentTime = 0;







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          if( pc=='\n' ) fprintf(out, "-- ");
          putc(c, out);
          pc = c;
        }
        if( pc!='\n' ) fprintf(out, "\n");
      }
      for(i=0; i<p->nOp; i++){
        char zHdr[100];
        sqlite3_snprintf(sizeof(zHdr), zHdr, "%6u %12llu %8llu ",
           p->aOp[i].cnt,
           p->aOp[i].cycles,
           p->aOp[i].cnt>0 ? p->aOp[i].cycles/p->aOp[i].cnt : 0
        );
        fprintf(out, "%s", zHdr);
        sqlite3VdbePrintOp(out, i, &p->aOp[i]);
      }
      fclose(out);
    }
  }
#endif
  p->iCurrentTime = 0;

Changes to test/loadext.test.

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set dlerror_nosymbol   {%s: undefined symbol: %s}

if {$::tcl_platform(os) eq "Darwin"} {
  set dlerror_nosuchfile {dlopen(%s, 10): image not found}
  set dlerror_notadll    {dlopen(%1$s, 10): no suitable image found.*}
  set dlerror_nosymbol   {dlsym(XXX, %2$s): symbol not found}
}







# Make sure the test extension actually exists.  If it does not
# exist, try to create it.  If unable to create it, then skip this
# test file.
#
if {![file exists $testextension]} {
  set srcdir [file dir $testdir]/src
................................................................................
  set rc [catch {
    sqlite3_load_extension db $testextension icecream
  } msg]
  if {$::tcl_platform(os) eq "Darwin"} {
    regsub {0x[1234567890abcdefABCDEF]*} $msg XXX msg
  }
  list $rc $msg
} [list 1 [format $dlerror_nosymbol $testextension icecream]]

# Try to load an extension for which the entry point fails (returns non-zero) 
#
do_test loadext-2.4 {
  set rc [catch {
    sqlite3_load_extension db $testextension testbrokenext_init
  } msg]
................................................................................
# Malloc failure in sqlite3_auto_extension and sqlite3_load_extension
#
do_malloc_test loadext-5 -tclprep {
  sqlite3_reset_auto_extension
} -tclbody {
  if {[autoinstall_test_functions]==7} {error "out of memory"}
}





do_malloc_test loadext-6 -tclbody {
  db enable_load_extension 1
  sqlite3_load_extension db $::testextension testloadext_init
}


autoinstall_test_functions

finish_test







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set dlerror_nosymbol   {%s: undefined symbol: %s}

if {$::tcl_platform(os) eq "Darwin"} {
  set dlerror_nosuchfile {dlopen(%s, 10): image not found}
  set dlerror_notadll    {dlopen(%1$s, 10): no suitable image found.*}
  set dlerror_nosymbol   {dlsym(XXX, %2$s): symbol not found}
}

if {$::tcl_platform(platform) eq "windows"} {
  set dlerror_nosuchfile {The specified module could not be found.*}
  set dlerror_notadll    {%%1 is not a valid Win32 application.*}
  set dlerror_nosymbol   {The specified procedure could not be found.*}
}

# Make sure the test extension actually exists.  If it does not
# exist, try to create it.  If unable to create it, then skip this
# test file.
#
if {![file exists $testextension]} {
  set srcdir [file dir $testdir]/src
................................................................................
  set rc [catch {
    sqlite3_load_extension db $testextension icecream
  } msg]
  if {$::tcl_platform(os) eq "Darwin"} {
    regsub {0x[1234567890abcdefABCDEF]*} $msg XXX msg
  }
  list $rc $msg
} /[list 1 [format $dlerror_nosymbol $testextension icecream]]/

# Try to load an extension for which the entry point fails (returns non-zero) 
#
do_test loadext-2.4 {
  set rc [catch {
    sqlite3_load_extension db $testextension testbrokenext_init
  } msg]
................................................................................
# Malloc failure in sqlite3_auto_extension and sqlite3_load_extension
#
do_malloc_test loadext-5 -tclprep {
  sqlite3_reset_auto_extension
} -tclbody {
  if {[autoinstall_test_functions]==7} {error "out of memory"}
}

# On Windows, this malloc test must be skipped because the winDlOpen
# function itself can fail due to "out of memory" conditions.
#
if {$::tcl_platform(platform) ne "windows"} {
  do_malloc_test loadext-6 -tclbody {
    db enable_load_extension 1
    sqlite3_load_extension db $::testextension testloadext_init
  }
}

autoinstall_test_functions

finish_test

Changes to test/walro.test.

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#
ifcapable !wal {
  finish_test
  return
}

do_multiclient_test tn {
  # Do not run tests with the connections in the same process.
  #
  if {$tn==2} continue
  
  # Close all connections and delete the database.
  #
  code1 { db close  }
  code2 { db2 close }
  code3 { db3 close }
  forcedelete test.db
  forcedelete walro





  foreach c {code1 code2 code3} {
    $c {
      sqlite3_shutdown
      sqlite3_config_uri 1
    }
  }
................................................................................
forcedelete test.db

#-----------------------------------------------------------------------
# Test cases 2.* check that a read-only connection may read the
# database file while a checkpoint operation is ongoing.
#
do_multiclient_test tn {
  # Do not run tests with the connections in the same process.
  #
  if {$tn==2} continue
  
  # Close all connections and delete the database.
  #
  code1 { db close  }
  code2 { db2 close }
  code3 { db3 close }
  forcedelete test.db
  forcedelete walro





  foreach c {code1 code2 code3} {
    $c {
      sqlite3_shutdown
      sqlite3_config_uri 1
    }
  }







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#
ifcapable !wal {
  finish_test
  return
}

do_multiclient_test tn {



  
  # Close all connections and delete the database.
  #
  code1 { db close  }
  code2 { db2 close }
  code3 { db3 close }
  forcedelete test.db
  forcedelete walro
  
  # Do not run tests with the connections in the same process.
  #
  if {$tn==2} continue

  foreach c {code1 code2 code3} {
    $c {
      sqlite3_shutdown
      sqlite3_config_uri 1
    }
  }
................................................................................
forcedelete test.db

#-----------------------------------------------------------------------
# Test cases 2.* check that a read-only connection may read the
# database file while a checkpoint operation is ongoing.
#
do_multiclient_test tn {



  
  # Close all connections and delete the database.
  #
  code1 { db close  }
  code2 { db2 close }
  code3 { db3 close }
  forcedelete test.db
  forcedelete walro
  
  # Do not run tests with the connections in the same process.
  #
  if {$tn==2} continue

  foreach c {code1 code2 code3} {
    $c {
      sqlite3_shutdown
      sqlite3_config_uri 1
    }
  }