SQLite

  opcodes.c \
  opcodes.h \
  parse.c \
  parse.h \
  config.h \
  shell.c \
  sqlite3.h

SRC += $(TOP)/src/test_osinst.c

# Source code to the test files.
#
TESTSRC = \
  $(TOP)/src/test1.c \
  $(TOP)/src/test2.c \
  $(TOP)/src/test3.c \

             $(TOP)/test/ossfuzz.c sqlite3.c $(TLIBS)

sessionfuzz$(TEXE):	$(TOP)/test/sessionfuzz.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(TOP)/test/sessionfuzz.c $(TLIBS)

dbfuzz$(TEXE):	$(TOP)/test/dbfuzz.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(DBFUZZ_OPT) $(TOP)/test/dbfuzz.c sqlite3.c $(TLIBS)

osinst2sql$(TEXE):	$(TOP)/tool/osinst2sql.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(TOP)/tool/osinst2sql.c sqlite3.c $(TLIBS)

DBFUZZ2_OPTS = \
  -DSQLITE_THREADSAFE=0 \
  -DSQLITE_OMIT_LOAD_EXTENSION \
  -DSQLITE_ENABLE_DESERIALIZE \
  -DSQLITE_DEBUG \
  -DSQLITE_ENABLE_DBSTAT_VTAB \

  $(SQLITETCLDECLSH)
!ELSE
SRC12 =
!ENDIF

# All source code files.
#
SRC = $(SRC00) $(SRC01) $(SRC03) $(SRC04) $(SRC05) $(SRC06) $(SRC07) $(SRC08) $(SRC09) $(SRC10) $(SRC11) $(TOP)\src\test_osinst.c

# Source code to the test files.
#
TESTSRC = \
  $(TOP)\src\test1.c \
  $(TOP)\src\test2.c \
  $(TOP)\src\test3.c \

fuzzershell.exe:	$(TOP)\tool\fuzzershell.c $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) $(FUZZERSHELL_COMPILE_OPTS) $(TOP)\tool\fuzzershell.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

dbfuzz.exe:	$(TOP)\test\dbfuzz.c $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) $(DBFUZZ_COMPILE_OPTS) $(TOP)\test\dbfuzz.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

osinst2sql.exe:	$(TOP)\tool\osinst2sql.c $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) $(TOP)\tool\osinst2sql.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

fuzzcheck.exe:	$(FUZZCHECK_SRC) $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) $(FUZZCHECK_OPTS) $(FUZZCHECK_SRC) $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

ossshell.exe:	$(OSSSHELL_SRC) $(SQLITE3C) $(SQLITE3H)
	$(LTLINK) $(NO_WARN) $(FUZZCHECK_OPTS) $(OSSSHELL_SRC) $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

sessionfuzz.exe:	zlib $(TOP)\test\sessionfuzz.c $(SQLITE3C) $(SQLITE3H)

  opcodes.c \
  opcodes.h \
  parse.c \
  parse.h \
  shell.c \
  sqlite3.h

SRC += $(TOP)/src/test_osinst.c


# Source code to the test files.
#
TESTSRC = \
  $(TOP)/ext/expert/sqlite3expert.c \
  $(TOP)/ext/expert/test_expert.c \
  $(TOP)/ext/fts3/fts3_term.c \

	  $(FUZZERSHELL_OPT) $(TOP)/tool/fuzzershell.c sqlite3.c \
	  $(TLIBS) $(THREADLIB)

dbfuzz$(EXE):	$(TOP)/test/dbfuzz.c sqlite3.c sqlite3.h
	$(TCCX) -o dbfuzz$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
	  $(DBFUZZ_OPT) $(TOP)/test/dbfuzz.c sqlite3.c \
	  $(TLIBS) $(THREADLIB)

osinst2sql$(EXE): $(TOP)/tool/osinst2sql.c sqlite3.c sqlite3.h
	$(TCCX) -o osinst2sql$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
	  $(DBFUZZ_OPT) $(TOP)/tool/osinst2sql.c sqlite3.c \
	  $(TLIBS) $(THREADLIB)

DBFUZZ2_OPTS = \
  -DSQLITE_THREADSAFE=0 \
  -DSQLITE_OMIT_LOAD_EXTENSION \
  -DSQLITE_ENABLE_DESERIALIZE \
  -DSQLITE_DEBUG \
  -DSQLITE_ENABLE_DBSTAT_VTAB \

** version forces the connection to become a zombie if there are
** unclosed resources, and arranges for deallocation when the last
** prepare statement or sqlite3_backup closes.
*/
int sqlite3_close(sqlite3 *db){ return sqlite3Close(db,0); }
int sqlite3_close_v2(sqlite3 *db){ return sqlite3Close(db,1); }

#ifdef SQLITE_ENABLE_OSINST
int sqlite3_vfslog_new(const char*,const char*,const char*,sqlite3_vfs**);
int sqlite3_vfslog_finalize(const char*);
#endif


/*
** Close the mutex on database connection db.
**
** Furthermore, if database connection db is a zombie (meaning that there
** has been a prior call to sqlite3_close(db) or sqlite3_close_v2(db)) and
** every sqlite3_stmt has now been finalized and every sqlite3_backup has

  sqlite3CloseExtensions(db);
#if SQLITE_USER_AUTHENTICATION
  sqlite3_free(db->auth.zAuthUser);
  sqlite3_free(db->auth.zAuthPW);
#endif

  db->magic = SQLITE_MAGIC_ERROR;

#ifdef SQLITE_ENABLE_OSINST
  if( db->pOsinstVfs ){
    sqlite3_vfslog_finalize(db->pOsinstVfs->zName);
    db->pOsinstVfs = 0;
  }
#endif

  /* The temp-database schema is allocated differently from the other schema
  ** objects (using sqliteMalloc() directly, instead of sqlite3BtreeSchema()).
  ** So it needs to be freed here. Todo: Why not roll the temp schema into
  ** the same sqliteMalloc() as the one that allocates the database 
  ** structure?
  */

  testcase( (1<<(flags&7))==0x04 ); /* READWRITE */
  testcase( (1<<(flags&7))==0x40 ); /* READWRITE | CREATE */
  if( ((1<<(flags&7)) & 0x46)==0 ){
    rc = SQLITE_MISUSE_BKPT;  /* IMP: R-65497-44594 */
  }else{
    rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg);
  }
#ifdef SQLITE_ENABLE_OSINST
  /* If this is not a temporary or ":memory:" database, create an osinst
  ** VFS to use. */
  assert( db->pVfs );
  if( rc==SQLITE_OK && zOpen && zOpen[0] && strcmp(":memory:", zOpen) ){
    u32 iVal = 0;
    char *zLog = 0;
    sqlite3_randomness(sizeof(iVal), (void*)&iVal);
    zLog = sqlite3_mprintf("%s-osinst-%08x", zOpen, iVal);
    if( zLog==0 ){
      rc = SQLITE_NOMEM_BKPT;
    }else{
      sqlite3_vfs *pVfs = 0;
      rc = sqlite3_vfslog_new(zLog, db->pVfs->zName, zLog, &pVfs);
      sqlite3_free(zLog);
      db->pOsinstVfs = db->pVfs = pVfs;
    }
  }
#endif
  if( rc!=SQLITE_OK ){
    if( rc==SQLITE_NOMEM ) sqlite3OomFault(db);
    sqlite3ErrorWithMsg(db, rc, zErrMsg ? "%s" : 0, zErrMsg);
    sqlite3_free(zErrMsg);
    goto opendb_out;
  }


  /* Open the backend database driver */
  rc = sqlite3BtreeOpen(db->pVfs, zOpen, db, &db->aDb[0].pBt, 0,
                        flags | SQLITE_OPEN_MAIN_DB);
  if( rc!=SQLITE_OK ){
    if( rc==SQLITE_IOERR_NOMEM ){
      rc = SQLITE_NOMEM_BKPT;

*************************************************************************
** Internal interface definitions for SQLite.
**
*/
#ifndef SQLITEINT_H
#define SQLITEINT_H

#define SQLITE_ENABLE_OSINST 1

/* Special Comments:
**
** Some comments have special meaning to the tools that measure test
** coverage:
**
**    NO_TEST                     - The branches on this line are not
**                                  measured by branch coverage.  This is

  void *pUnlockArg;                     /* Argument to xUnlockNotify */
  void (*xUnlockNotify)(void **, int);  /* Unlock notify callback */
  sqlite3 *pNextBlocked;        /* Next in list of all blocked connections */
#endif
#ifdef SQLITE_USER_AUTHENTICATION
  sqlite3_userauth auth;        /* User authentication information */
#endif
#ifdef SQLITE_ENABLE_OSINST
  sqlite3_vfs *pOsinstVfs;      /* osinst VFS to finalize, if any */
#endif
};

/*
** A macro to discover the encoding of a database.
*/
#define SCHEMA_ENC(db) ((db)->aDb[0].pSchema->enc)
#define ENC(db)        ((db)->enc)

#ifdef SQLITE_TEST
  sqlite3_io_error_pending = pending;
  sqlite3_io_error_persist = persist;
  sqlite3_diskfull_pending = diskfull;
#endif
}

static void vfslogPut32bits(unsigned char *p, unsigned int v){
  p[0] = v>>24;
  p[1] = (unsigned char)(v>>16);
  p[2] = (unsigned char)(v>>8);
  p[3] = (unsigned char)v;
}

static void vfslog_call(

){
  VfslogVfs *p = (VfslogVfs *)pVfs;
  unsigned char *zRec;
  if( (24+p->nBuf)>sizeof(p->aBuf) ){
    vfslog_flush(p);
  }
  zRec = (unsigned char *)&p->aBuf[p->nBuf];
  vfslogPut32bits(&zRec[0], eEvent);
  vfslogPut32bits(&zRec[4], iFileid);
  vfslogPut32bits(&zRec[8], (unsigned int)(nClick&0xffffffff));
  vfslogPut32bits(&zRec[12], return_code);
  vfslogPut32bits(&zRec[16], size);
  vfslogPut32bits(&zRec[20], offset);
  p->nBuf += 24;
}

static void vfslog_string(sqlite3_vfs *pVfs, const char *zStr){
  VfslogVfs *p = (VfslogVfs *)pVfs;
  unsigned char *zRec;
  int nStr = zStr ? (int)strlen(zStr) : 0;
  if( (4+nStr+p->nBuf)>sizeof(p->aBuf) ){
    vfslog_flush(p);
  }
  zRec = (unsigned char *)&p->aBuf[p->nBuf];
  vfslogPut32bits(&zRec[0], nStr);
  if( zStr ){
    memcpy(&zRec[4], zStr, nStr);
  }
  p->nBuf += (4 + nStr);
}

static void vfslog_finalize(VfslogVfs *p){

  vfslog_finalize((VfslogVfs *)pVfs);
  return SQLITE_OK;
}

int sqlite3_vfslog_new(
  const char *zVfs,               /* New VFS name */
  const char *zParentVfs,         /* Parent VFS name (or NULL) */
  const char *zLog,               /* Log file name */
  sqlite3_vfs **ppVfs             /* OUT: New VFS object */
){
  VfslogVfs *p;
  sqlite3_vfs *pParent;
  int nByte;
  int flags;
  int rc;
  char *zFile;

  flags = SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE|SQLITE_OPEN_MASTER_JOURNAL;
  pParent->xDelete(pParent, zFile, 0);
  rc = pParent->xOpen(pParent, zFile, p->pLog, flags, &flags);
  if( rc==SQLITE_OK ){
    memcpy(p->aBuf, "sqlite_ostrace1.....", 20);
    p->iOffset = 0;
    p->nBuf = 20;
    rc = sqlite3_vfs_register((sqlite3_vfs *)p, 0);
    if( ppVfs ) *ppVfs = (sqlite3_vfs*)p;
  }
  if( rc ){
    vfslog_finalize(p);
  }
  return rc;
}

        Tcl_WrongNumArgs(interp, 2, objv, "VFS PARENT LOGFILE");
        return TCL_ERROR;
      }
      zVfs = Tcl_GetString(objv[2]);
      zParent = Tcl_GetString(objv[3]);
      zLog = Tcl_GetString(objv[4]);
      if( *zParent=='\0' ) zParent = 0;
      rc = sqlite3_vfslog_new(zVfs, zParent, zLog, 0);
      if( rc!=SQLITE_OK ){
        Tcl_AppendResult(interp, "failed", 0);
        return TCL_ERROR;
      }
      sqlite3_vfs_register(sqlite3_vfs_find(zVfs), 1);
      break;
    };

    case VL_REGISTER: {
      char *zDb;
      if( objc!=3 ){
        Tcl_WrongNumArgs(interp, 2, objv, "DB");

   fts3_icu.c
   sqlite3rbu.c
   dbstat.c
   dbpage.c
   sqlite3session.c
   fts5.c
   stmt.c

   test_osinst.c
} {
  copy_file tsrc/$file
}

# Synthesize an alternative sqlite3_sourceid() implementation that
# that tries to detects changes in the amalgamation source text
# and modify returns a modified source-id if changes are detected.