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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Add the --mode option to fuzzershell.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: b940b0fa6cf68fef58344d269ad5d39468ffe72f
User & Date: drh 2015-04-20 22:36:49
Context
2015-04-21
00:23
Enable compilation and VSIX package creation with the Visual Studio 2015 CTP. check-in: 03b725a7 user: mistachkin tags: trunk
2015-04-20
23:53
Merge updates from trunk. Closed-Leaf check-in: 583a79a0 user: mistachkin tags: vsix2015
22:36
Add the --mode option to fuzzershell. check-in: b940b0fa user: drh tags: trunk
18:58
Many new configuration options for fuzzershell. check-in: 41c95439 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to tool/fuzzershell.c.

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      break;
    }
  }
  if( v>0x7fffffff ) abendError("parameter too large - max 2147483648");
  return (int)(isNeg? -v : v);
}










int main(int argc, char **argv){
  char *zIn = 0;          /* Input text */
  int nAlloc = 0;         /* Number of bytes allocated for zIn[] */
  int nIn = 0;            /* Number of bytes of zIn[] used */
  size_t got;             /* Bytes read from input */
  FILE *in = stdin;       /* Where to read SQL text from */
................................................................................
  int nScratch = 0, szScratch=0;/* --scratch configuration */
  int pageSize = 0;             /* Desired page size.  0 means default */
  void *pHeap = 0;              /* Allocated heap space */
  void *pLook = 0;              /* Allocated lookaside space */
  void *pPCache = 0;            /* Allocated storage for pcache */
  void *pScratch = 0;           /* Allocated storage for scratch */
  int doAutovac = 0;            /* True for --autovacuum */





  g.zArgv0 = argv[0];
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      z++;
................................................................................
        zInitDb = argv[++i];
      }else
      if( strcmp(z,"lookaside")==0 ){
        if( i>=argc-2 ) abendError("missing arguments on %s", argv[i]);
        nLook = integerValue(argv[i+1]);
        szLook = integerValue(argv[i+2]);
        i += 2;















      }else
      if( strcmp(z,"pagesize")==0 ){
        if( i>=argc-1 ) abendError("missing argument on %s", argv[i]);
        pageSize = integerValue(argv[++i]);
      }else
      if( strcmp(z,"pcache")==0 ){
        if( i>=argc-2 ) abendError("missing arguments on %s", argv[i]);
................................................................................
    if( zEncoding ) sqlexec(db, "PRAGMA encoding=%s", zEncoding);
    if( pageSize ) sqlexec(db, "PRAGMA pagesize=%d", pageSize);
    if( doAutovac ) sqlexec(db, "PRAGMA auto_vacuum=FULL");
    cSaved = zIn[iNext];
    zIn[iNext] = 0;
    printf("INPUT (offset: %d, size: %d): [%s]\n",
            i, (int)strlen(&zIn[i]), &zIn[i]);












    rc = sqlite3_exec(db, &zIn[i], execCallback, 0, &zErrMsg);




    zIn[iNext] = cSaved;

    printf("RESULT-CODE: %d\n", rc);
    if( zErrMsg ){
      printf("ERROR-MSG: [%s]\n", zErrMsg);
      sqlite3_free(zErrMsg);
    }







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      break;
    }
  }
  if( v>0x7fffffff ) abendError("parameter too large - max 2147483648");
  return (int)(isNeg? -v : v);
}

/*
** Various operating modes
*/
#define FZMODE_Generic   1
#define FZMODE_Strftime  2
#define FZMODE_Printf    3
#define FZMODE_Glob      4


int main(int argc, char **argv){
  char *zIn = 0;          /* Input text */
  int nAlloc = 0;         /* Number of bytes allocated for zIn[] */
  int nIn = 0;            /* Number of bytes of zIn[] used */
  size_t got;             /* Bytes read from input */
  FILE *in = stdin;       /* Where to read SQL text from */
................................................................................
  int nScratch = 0, szScratch=0;/* --scratch configuration */
  int pageSize = 0;             /* Desired page size.  0 means default */
  void *pHeap = 0;              /* Allocated heap space */
  void *pLook = 0;              /* Allocated lookaside space */
  void *pPCache = 0;            /* Allocated storage for pcache */
  void *pScratch = 0;           /* Allocated storage for scratch */
  int doAutovac = 0;            /* True for --autovacuum */
  char *zSql;                   /* SQL to run */
  char *zToFree = 0;            /* Call sqlite3_free() on this afte running zSql */
  int iMode = FZMODE_Generic;   /* Operating mode */


  g.zArgv0 = argv[0];
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      z++;
................................................................................
        zInitDb = argv[++i];
      }else
      if( strcmp(z,"lookaside")==0 ){
        if( i>=argc-2 ) abendError("missing arguments on %s", argv[i]);
        nLook = integerValue(argv[i+1]);
        szLook = integerValue(argv[i+2]);
        i += 2;
      }else
      if( strcmp(z,"mode")==0 ){
        if( i>=argc-1 ) abendError("missing argument on %s", argv[i]);
        z = argv[++i];
        if( strcmp(z,"generic")==0 ){
          iMode = FZMODE_Printf;
        }else if( strcmp(z, "glob")==0 ){
          iMode = FZMODE_Glob;
        }else if( strcmp(z, "printf")==0 ){
          iMode = FZMODE_Printf;
        }else if( strcmp(z, "strftime")==0 ){
          iMode = FZMODE_Strftime;
        }else{
          abendError("unknown --mode: %s", z);
        }
      }else
      if( strcmp(z,"pagesize")==0 ){
        if( i>=argc-1 ) abendError("missing argument on %s", argv[i]);
        pageSize = integerValue(argv[++i]);
      }else
      if( strcmp(z,"pcache")==0 ){
        if( i>=argc-2 ) abendError("missing arguments on %s", argv[i]);
................................................................................
    if( zEncoding ) sqlexec(db, "PRAGMA encoding=%s", zEncoding);
    if( pageSize ) sqlexec(db, "PRAGMA pagesize=%d", pageSize);
    if( doAutovac ) sqlexec(db, "PRAGMA auto_vacuum=FULL");
    cSaved = zIn[iNext];
    zIn[iNext] = 0;
    printf("INPUT (offset: %d, size: %d): [%s]\n",
            i, (int)strlen(&zIn[i]), &zIn[i]);
    zSql = &zIn[i];
    switch( iMode ){
      case FZMODE_Glob:
        zSql = zToFree = sqlite3_mprintf("SELECT glob(%s);", zSql);
        break;
      case FZMODE_Printf:
        zSql = zToFree = sqlite3_mprintf("SELECT printf(%s);", zSql);
        break;
      case FZMODE_Strftime:
        zSql = zToFree = sqlite3_mprintf("SELECT strftime(%s);", zSql);
        break;
    }
    rc = sqlite3_exec(db, zSql, execCallback, 0, &zErrMsg);
    if( zToFree ){
      sqlite3_free(zToFree);
      zToFree = 0;
    }
    zIn[iNext] = cSaved;

    printf("RESULT-CODE: %d\n", rc);
    if( zErrMsg ){
      printf("ERROR-MSG: [%s]\n", zErrMsg);
      sqlite3_free(zErrMsg);
    }