"Options:\n"
"  --dbid N              Use only the database where dbid=N\n"
"  --help                Show this help text\n"    
"  -q                    Reduced output\n"
"  --quiet               Reduced output\n"
"  --load-sql ARGS...    Load SQL scripts fro files into SOURCE-DB\n"
"  --load-db ARGS...     Load template databases from files into SOURCE_DB\n"

"  --native-vfs          Use the native VFS for initially empty database files\n"
"  --result-trace        Show the results of each SQL command\n"
"  --sqlid N             Use only SQL where sqlid=N\n"
"  -v                    Increased output\n"
"  --verbose             Increased output\n"
  );
}

int main(int argc, char **argv){
  sqlite3_int64 iBegin;        /* Start time of this program */
  const char *zSourceDb = 0;   /* Source database filename */
  int quietFlag = 0;           /* True if --quiet or -q */
  int verboseFlag = 0;         /* True if --verbose or -v */
  char *zInsSql = 0;           /* SQL statement for --load-db or --load-sql */
  int iFirstInsArg = 0;        /* First argv[] to use for --load-db or --load-sql */
  sqlite3 *db = 0;             /* The open database connection */

  int rc;                      /* Result code from SQLite interface calls */
  Blob *pSql;                  /* For looping over SQL scripts */
  Blob *pDb;                   /* For looping over template databases */
  int i;                       /* Loop index for the argv[] loop */
  int onlySqlid = -1;          /* --sqlid */
  int onlyDbid = -1;           /* --dbid */
  int nativeFlag = 0;          /* --native-vfs */
  int runFlags = 0;            /* Flags sent to runSql() */







  iBegin = timeOfDay();
  g.zArgv0 = argv[0];
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      z++;
................................................................................
        iFirstInsArg = i+1;
        break;
      }else
      if( strcmp(z,"load-db")==0 ){
        zInsSql = "INSERT INTO db(dbcontent) VALUES(readfile(?1))";
        iFirstInsArg = i+1;
        break;




      }else
      if( strcmp(z,"native-vfs")==0 ){
        nativeFlag = 1;
      }else
      if( strcmp(z,"quiet")==0 || strcmp(z,"q")==0 ){
        quietFlag = 1;
        verboseFlag = 0;
................................................................................
        verboseFlag = 1;
        runFlags |= SQL_TRACE;
      }else
      {
        fatalError("unknown option: %s", argv[i]);
      }
    }else{
      if( zSourceDb ) fatalError("extra argument: %s", argv[i]);

      zSourceDb = argv[i];
    }
  }
  if( zSourceDb==0 ) fatalError("no source database specified");











  rc = sqlite3_open(zSourceDb, &db);
  if( rc ){
    fatalError("cannot open source database %s - %s",
    zSourceDb, sqlite3_errmsg(db));
  }
  rc = sqlite3_exec(db, 
     "CREATE TABLE IF NOT EXISTS db(\n"
     "  dbid INTEGER PRIMARY KEY, -- database id\n"
     "  dbcontent BLOB            -- database disk file image\n"
     ");\n"
     "CREATE TABLE IF NOT EXISTS xsql(\n"
     "  sqlid INTEGER PRIMARY KEY,   -- SQL script id\n"
     "  sqltext TEXT                 -- Text of SQL statements to run\n"



     ");", 0, 0, 0);
  if( rc ) fatalError("cannot create schema: %s", sqlite3_errmsg(db));








  if( zInsSql ){
    sqlite3_stmt *pStmt;
    sqlite3_create_function(db, "readfile", 1, SQLITE_UTF8, 0,
                            readfileFunc, 0, 0);
    rc = sqlite3_prepare_v2(db, zInsSql, -1, &pStmt, 0);
    if( rc ) fatalError("cannot prepare statement [%s]: %s",
                        zInsSql, sqlite3_errmsg(db));
    rc = sqlite3_exec(db, "BEGIN", 0, 0, 0);
    if( rc ) fatalError("cannot start a transaction");
    for(i=iFirstInsArg; i<argc; i++){
      sqlite3_bind_text(pStmt, 1, argv[i], -1, SQLITE_STATIC);
      sqlite3_step(pStmt);
      rc = sqlite3_reset(pStmt);
      if( rc ) fatalError("insert failed for %s", argv[i]);
    }
    sqlite3_finalize(pStmt);
    rc = sqlite3_exec(db, "COMMIT", 0, 0, 0);
    if( rc ) fatalError("cannot commit the transaction: %s", sqlite3_errmsg(db));
    sqlite3_close(db);
    return 0;
  }

  /* Load all SQL script content and all initial database images from the
  ** source db
  */
  blobListLoadFromDb(db, "SELECT sqlid, sqltext FROM xsql", onlySqlid,
                         &g.nSql, &g.pFirstSql);
  if( g.nSql==0 ) fatalError("need at least one SQL script");
  blobListLoadFromDb(db, "SELECT dbid, dbcontent FROM db", onlyDbid,
                     &g.nDb, &g.pFirstDb);
  if( g.nDb==0 ){
    g.pFirstDb = safe_realloc(0, sizeof(Blob));
    memset(g.pFirstDb, 0, sizeof(Blob));
    g.pFirstDb->id = 1;
    g.pFirstDb->seq = 0;
    g.nDb = 1;
  }
    














  /* Close the source database.  Verify that no SQLite memory allocations are
  ** outstanding.
  */
  sqlite3_close(db);
  if( sqlite3_memory_used()>0 ){
    fatalError("SQLite has memory in use before the start of testing");
  }

  /* Register the in-memory virtual filesystem
  */
  formatVfs();
  inmemVfsRegister();
  
  /* Run a test using each SQL script against each database.
  */
  if( !verboseFlag && !quietFlag ){
    int i;
    i = strlen(zSourceDb) - 1;
    while( i>0 && zSourceDb[i-1]!='/' && zSourceDb[i-1]!='\\' ){ i--; }
    printf("%s:", &zSourceDb[i]);
  }
  for(pSql=g.pFirstSql; pSql; pSql=pSql->pNext){
    for(pDb=g.pFirstDb; pDb; pDb=pDb->pNext){
      int openFlags;
      const char *zVfs = "inmem";
      sqlite3_snprintf(sizeof(g.zTestName), g.zTestName, "sqlid=%d,dbid=%d",
                       pSql->id, pDb->id);
      if( verboseFlag ){
        printf("%s\n", g.zTestName);
        fflush(stdout);
      }else if( !quietFlag ){
        static int prevAmt = -1;
        int idx = pSql->seq*g.nDb + pDb->id - 1;
        int amt = idx*10/(g.nDb*g.nSql);
        if( amt!=prevAmt ){
          printf(" %d%%", amt*10);
          fflush(stdout);
          prevAmt = amt;
        }
      }
      createVFile("main.db", pDb->sz, pDb->a);
      openFlags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE;
      if( nativeFlag && pDb->sz==0 ){
        openFlags |= SQLITE_OPEN_MEMORY;
        zVfs = 0;
      }
      rc = sqlite3_open_v2("main.db", &db, openFlags, zVfs);
      if( rc ) fatalError("cannot open inmem database");
      runSql(db, (char*)pSql->a, runFlags);
      sqlite3_close(db);
      if( sqlite3_memory_used()>0 ) fatalError("memory leak");
      reformatVfs();

      g.zTestName[0] = 0;
    }
  }












  if( !quietFlag ){
    sqlite3_int64 iElapse = timeOfDay() - iBegin;
    if( !verboseFlag ) printf(" 100%%\n");
    printf("fuzzcheck: 0 errors out of %d tests in %d.%03d seconds\nSQLite %s %s\n",

           g.nDb*g.nSql, (int)(iElapse/1000), (int)(iElapse%1000),
           sqlite3_libversion(), sqlite3_sourceid());
  }

  /* Clean up and exit.
  */
  blobListFree(g.pFirstSql);
  blobListFree(g.pFirstDb);
  reformatVfs();
  return 0;
}

"Options:\n"
"  --dbid N              Use only the database where dbid=N\n"
"  --help                Show this help text\n"    
"  -q                    Reduced output\n"
"  --quiet               Reduced output\n"
"  --load-sql ARGS...    Load SQL scripts fro files into SOURCE-DB\n"
"  --load-db ARGS...     Load template databases from files into SOURCE_DB\n"
"  -m TEXT               Add a description to the database\n"
"  --native-vfs          Use the native VFS for initially empty database files\n"
"  --result-trace        Show the results of each SQL command\n"
"  --sqlid N             Use only SQL where sqlid=N\n"
"  -v                    Increased output\n"
"  --verbose             Increased output\n"
  );
}

int main(int argc, char **argv){
  sqlite3_int64 iBegin;        /* Start time of this program */

  int quietFlag = 0;           /* True if --quiet or -q */
  int verboseFlag = 0;         /* True if --verbose or -v */
  char *zInsSql = 0;           /* SQL statement for --load-db or --load-sql */
  int iFirstInsArg = 0;        /* First argv[] to use for --load-db or --load-sql */
  sqlite3 *db = 0;             /* The open database connection */
  sqlite3_stmt *pStmt;         /* A prepared statement */
  int rc;                      /* Result code from SQLite interface calls */
  Blob *pSql;                  /* For looping over SQL scripts */
  Blob *pDb;                   /* For looping over template databases */
  int i;                       /* Loop index for the argv[] loop */
  int onlySqlid = -1;          /* --sqlid */
  int onlyDbid = -1;           /* --dbid */
  int nativeFlag = 0;          /* --native-vfs */
  int runFlags = 0;            /* Flags sent to runSql() */
  char *zMsg = 0;              /* Add this message */
  int nSrcDb = 0;              /* Number of source databases */
  char **azSrcDb = 0;          /* Array of source database names */
  int iSrcDb;                  /* Loop over all source databases */
  int nTest = 0;               /* Total number of tests performed */
  char *zDbName = "";          /* Appreviated name of a source database */

  iBegin = timeOfDay();
  g.zArgv0 = argv[0];
  for(i=1; i<argc; i++){
    const char *z = argv[i];
    if( z[0]=='-' ){
      z++;
................................................................................
        iFirstInsArg = i+1;
        break;
      }else
      if( strcmp(z,"load-db")==0 ){
        zInsSql = "INSERT INTO db(dbcontent) VALUES(readfile(?1))";
        iFirstInsArg = i+1;
        break;
      }else
      if( strcmp(z,"m")==0 ){
        if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
        zMsg = argv[++i];
      }else
      if( strcmp(z,"native-vfs")==0 ){
        nativeFlag = 1;
      }else
      if( strcmp(z,"quiet")==0 || strcmp(z,"q")==0 ){
        quietFlag = 1;
        verboseFlag = 0;
................................................................................
        verboseFlag = 1;
        runFlags |= SQL_TRACE;
      }else
      {
        fatalError("unknown option: %s", argv[i]);
      }
    }else{
      nSrcDb++;
      azSrcDb = safe_realloc(azSrcDb, nSrcDb*sizeof(azSrcDb[0]));
      azSrcDb[nSrcDb-1] = argv[i];
    }
  }
  if( nSrcDb==0 ) fatalError("no source database specified");
  if( nSrcDb>1 ){
    if( zMsg ){
      fatalError("cannot change the description of more than one database");
    }
    if( zInsSql ){
      fatalError("cannot import into more than one database");
    }
  }

  /* Process each source database separately */
  for(iSrcDb=0; iSrcDb<nSrcDb; iSrcDb++){
    rc = sqlite3_open(azSrcDb[iSrcDb], &db);
    if( rc ){
      fatalError("cannot open source database %s - %s",
      azSrcDb[iSrcDb], sqlite3_errmsg(db));
    }
    rc = sqlite3_exec(db, 
       "CREATE TABLE IF NOT EXISTS db(\n"
       "  dbid INTEGER PRIMARY KEY, -- database id\n"
       "  dbcontent BLOB            -- database disk file image\n"
       ");\n"
       "CREATE TABLE IF NOT EXISTS xsql(\n"
       "  sqlid INTEGER PRIMARY KEY,   -- SQL script id\n"
       "  sqltext TEXT                 -- Text of SQL statements to run\n"
       ");"
       "CREATE TABLE IF NOT EXISTS readme(\n"
       "  msg TEXT -- Human-readable description of this file\n"
       ");", 0, 0, 0);
    if( rc ) fatalError("cannot create schema: %s", sqlite3_errmsg(db));
    if( zMsg ){
      char *zSql;
      zSql = sqlite3_mprintf(
               "DELETE FROM readme; INSERT INTO readme(msg) VALUES(%Q)", zMsg);
      rc = sqlite3_exec(db, zSql, 0, 0, 0);
      sqlite3_free(zSql);
      if( rc ) fatalError("cannot change description: %s", sqlite3_errmsg(db));
    }
    if( zInsSql ){

      sqlite3_create_function(db, "readfile", 1, SQLITE_UTF8, 0,
                              readfileFunc, 0, 0);
      rc = sqlite3_prepare_v2(db, zInsSql, -1, &pStmt, 0);
      if( rc ) fatalError("cannot prepare statement [%s]: %s",
                          zInsSql, sqlite3_errmsg(db));
      rc = sqlite3_exec(db, "BEGIN", 0, 0, 0);
      if( rc ) fatalError("cannot start a transaction");
      for(i=iFirstInsArg; i<argc; i++){
        sqlite3_bind_text(pStmt, 1, argv[i], -1, SQLITE_STATIC);
        sqlite3_step(pStmt);
        rc = sqlite3_reset(pStmt);
        if( rc ) fatalError("insert failed for %s", argv[i]);
      }
      sqlite3_finalize(pStmt);
      rc = sqlite3_exec(db, "COMMIT", 0, 0, 0);
      if( rc ) fatalError("cannot commit the transaction: %s", sqlite3_errmsg(db));
      sqlite3_close(db);
      return 0;
    }
  
    /* Load all SQL script content and all initial database images from the
    ** source db
    */
    blobListLoadFromDb(db, "SELECT sqlid, sqltext FROM xsql", onlySqlid,
                           &g.nSql, &g.pFirstSql);
    if( g.nSql==0 ) fatalError("need at least one SQL script");
    blobListLoadFromDb(db, "SELECT dbid, dbcontent FROM db", onlyDbid,
                       &g.nDb, &g.pFirstDb);
    if( g.nDb==0 ){
      g.pFirstDb = safe_realloc(0, sizeof(Blob));
      memset(g.pFirstDb, 0, sizeof(Blob));
      g.pFirstDb->id = 1;
      g.pFirstDb->seq = 0;
      g.nDb = 1;
    }
  
    /* Print the description, if there is one */
    if( !quietFlag ){
      int i;
      zDbName = azSrcDb[iSrcDb];
      i = strlen(zDbName) - 1;
      while( i>0 && zDbName[i-1]!='/' && zDbName[i-1]!='\\' ){ i--; }
      zDbName += i;
      sqlite3_prepare_v2(db, "SELECT msg FROM readme", -1, &pStmt, 0);
      if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
        printf("%s: %s\n", zDbName, sqlite3_column_text(pStmt,0));
      }
      sqlite3_finalize(pStmt);
    }
  
    /* Close the source database.  Verify that no SQLite memory allocations are
    ** outstanding.
    */
    sqlite3_close(db);
    if( sqlite3_memory_used()>0 ){
      fatalError("SQLite has memory in use before the start of testing");
    }
  
    /* Register the in-memory virtual filesystem
    */
    formatVfs();
    inmemVfsRegister();
    
    /* Run a test using each SQL script against each database.
    */
    if( !verboseFlag && !quietFlag ) printf("%s:", zDbName);





    for(pSql=g.pFirstSql; pSql; pSql=pSql->pNext){
      for(pDb=g.pFirstDb; pDb; pDb=pDb->pNext){
        int openFlags;
        const char *zVfs = "inmem";
        sqlite3_snprintf(sizeof(g.zTestName), g.zTestName, "sqlid=%d,dbid=%d",
                         pSql->id, pDb->id);
        if( verboseFlag ){
          printf("%s\n", g.zTestName);
          fflush(stdout);
        }else if( !quietFlag ){
          static int prevAmt = -1;
          int idx = pSql->seq*g.nDb + pDb->id - 1;
          int amt = idx*10/(g.nDb*g.nSql);
          if( amt!=prevAmt ){
            printf(" %d%%", amt*10);
            fflush(stdout);
            prevAmt = amt;
          }
        }
        createVFile("main.db", pDb->sz, pDb->a);
        openFlags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE;
        if( nativeFlag && pDb->sz==0 ){
          openFlags |= SQLITE_OPEN_MEMORY;
          zVfs = 0;
        }
        rc = sqlite3_open_v2("main.db", &db, openFlags, zVfs);
        if( rc ) fatalError("cannot open inmem database");
        runSql(db, (char*)pSql->a, runFlags);
        sqlite3_close(db);
        if( sqlite3_memory_used()>0 ) fatalError("memory leak");
        reformatVfs();
        nTest++;
        g.zTestName[0] = 0;
      }
    }
    if( !quietFlag && !verboseFlag ){
      printf(" 100%% - %d tests\n", g.nDb*g.nSql);
    }
  
    /* Clean up at the end of processing a single source database
    */
    blobListFree(g.pFirstSql);
    blobListFree(g.pFirstDb);
    reformatVfs();
 
  } /* End loop over all source databases */

  if( !quietFlag ){
    sqlite3_int64 iElapse = timeOfDay() - iBegin;

    printf("fuzzcheck: 0 errors out of %d tests in %d.%03d seconds\n"
           "SQLite %s %s\n",
           nTest, (int)(iElapse/1000), (int)(iElapse%1000),
           sqlite3_libversion(), sqlite3_sourceid());
  }






  return 0;
}