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Overview
Comment:Add fflush() calls to fuzzershell to keep stderr and stdout synchronized.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 2b98a25237d1b3e64aec2772b622e8b3be2df454
User & Date: drh 2015-04-25 00:20:15
Context
2015-04-25
00:32
Do not send the extra ";" and "\000" tokens to the parser if a prior error has occurred. check-in: 9aa70ddf user: drh tags: trunk
00:20
Add fflush() calls to fuzzershell to keep stderr and stdout synchronized. check-in: 2b98a252 user: drh tags: trunk
2015-04-24
23:45
Add the --oom option to fuzzershell. check-in: 14a9e4a3 user: drh tags: trunk
Changes
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Changes to tool/fuzzershell.c.

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}

/*
** This callback is invoked by sqlite3_log().
*/
static void shellLog(void *pNotUsed, int iErrCode, const char *zMsg){
  printf("LOG: (%d) %s\n", iErrCode, zMsg);

}

/*
** This callback is invoked by sqlite3_exec() to return query results.
*/
static int execCallback(void *NotUsed, int argc, char **argv, char **colv){
  int i;
................................................................................
    printf(" %s=", colv[i]);
    if( argv[i] ){
      printf("[%s]\n", argv[i]);
    }else{
      printf("NULL\n");
    }
  }

  return 0;
}
static int execNoop(void *NotUsed, int argc, char **argv, char **colv){
  return 0;
}

#ifndef SQLITE_OMIT_TRACE
/*
** This callback is invoked by sqlite3_trace() as each SQL statement
** starts.
*/
static void traceCallback(void *NotUsed, const char *zMsg){
  printf("TRACE: %s\n", zMsg);

}
#endif

/***************************************************************************
** eval() implementation copied from ../ext/misc/eval.c
*/
/*
................................................................................
  nHeader = i;
  for(nTest=0; i<nIn; i=iNext, nTest++){
    char cSaved;
    if( strncmp(&zIn[i], "/****<",6)==0 ){
      char *z = strstr(&zIn[i], ">****/");
      if( z ){
        z += 6;

        if( verboseFlag ) printf("%.*s\n", (int)(z-&zIn[i]), &zIn[i]);


        i += (int)(z-&zIn[i]);
        multiTest = 1;
      }
    }
    for(iNext=i; iNext<nIn && strncmp(&zIn[iNext],"/****<",6)!=0; iNext++){}
    if( zDataOut ){
      sqlite3_bind_blob(pStmt, 1, &zIn[i], iNext-i, SQLITE_STATIC);
................................................................................
      zIn[iNext] = cSaved;
      continue;
    }
    zSql = &zIn[i];
    if( verboseFlag ){
      printf("INPUT (offset: %d, size: %d): [%s]\n",
              i, (int)strlen(&zIn[i]), &zIn[i]);

    }else if( multiTest && !quietFlag ){
      int pct = oomFlag ? 100*iNext/nIn : ((10*iNext)/nIn)*10;
      if( pct!=lastPct ){
        if( lastPct<0 ) printf("fuzz test:");
        printf(" %d%%", pct);
        fflush(stdout);
        lastPct = pct;
................................................................................
        zSql = zToFree = sqlite3_mprintf("SELECT strftime(%s);", zSql);
        break;
    }
    if( oomFlag ){
      oomCnt = g.iOomCntdown = 1;
      g.nOomFault = 0;
      g.bOomOnce = 1;

      if( verboseFlag ) printf("Once.%d\n", oomCnt);


    }else{
      oomCnt = 0;
    }
    do{
      rc = sqlite3_open_v2(
        "main.db", &db,
        SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY,
................................................................................
        }else{
          g.iOomCntdown = ++oomCnt;
          g.nOomFault = 0;
        }
        if( oomCnt ){
          if( verboseFlag ){
            printf("%s.%d\n", g.bOomOnce ? "Once" : "Multi", oomCnt);

          }
          nTest++;
        }
      }
    }while( oomCnt>0 );
    if( zToFree ){
      sqlite3_free(zToFree);
................................................................................
    }
    zIn[iNext] = cSaved;
    if( verboseFlag ){
      printf("RESULT-CODE: %d\n", rc);
      if( zErrMsg ){
        printf("ERROR-MSG: [%s]\n", zErrBuf);
      }

    }
    /* Simulate an error if the TEST_FAILURE environment variable is "5" */
    if( zFailCode ){
      if( zFailCode[0]=='5' && zFailCode[1]==0 ){
        abendError("simulated failure");
      }else if( zFailCode[0]!=0 ){
        /* If TEST_FAILURE is something other than 5, just exit the test







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}

/*
** This callback is invoked by sqlite3_log().
*/
static void shellLog(void *pNotUsed, int iErrCode, const char *zMsg){
  printf("LOG: (%d) %s\n", iErrCode, zMsg);
  fflush(stdout);
}

/*
** This callback is invoked by sqlite3_exec() to return query results.
*/
static int execCallback(void *NotUsed, int argc, char **argv, char **colv){
  int i;
................................................................................
    printf(" %s=", colv[i]);
    if( argv[i] ){
      printf("[%s]\n", argv[i]);
    }else{
      printf("NULL\n");
    }
  }
  fflush(stdout);
  return 0;
}
static int execNoop(void *NotUsed, int argc, char **argv, char **colv){
  return 0;
}

#ifndef SQLITE_OMIT_TRACE
/*
** This callback is invoked by sqlite3_trace() as each SQL statement
** starts.
*/
static void traceCallback(void *NotUsed, const char *zMsg){
  printf("TRACE: %s\n", zMsg);
  fflush(stdout);
}
#endif

/***************************************************************************
** eval() implementation copied from ../ext/misc/eval.c
*/
/*
................................................................................
  nHeader = i;
  for(nTest=0; i<nIn; i=iNext, nTest++){
    char cSaved;
    if( strncmp(&zIn[i], "/****<",6)==0 ){
      char *z = strstr(&zIn[i], ">****/");
      if( z ){
        z += 6;
        if( verboseFlag ){
          printf("%.*s\n", (int)(z-&zIn[i]), &zIn[i]);
          fflush(stdout);
        }
        i += (int)(z-&zIn[i]);
        multiTest = 1;
      }
    }
    for(iNext=i; iNext<nIn && strncmp(&zIn[iNext],"/****<",6)!=0; iNext++){}
    if( zDataOut ){
      sqlite3_bind_blob(pStmt, 1, &zIn[i], iNext-i, SQLITE_STATIC);
................................................................................
      zIn[iNext] = cSaved;
      continue;
    }
    zSql = &zIn[i];
    if( verboseFlag ){
      printf("INPUT (offset: %d, size: %d): [%s]\n",
              i, (int)strlen(&zIn[i]), &zIn[i]);
      fflush(stdout);
    }else if( multiTest && !quietFlag ){
      int pct = oomFlag ? 100*iNext/nIn : ((10*iNext)/nIn)*10;
      if( pct!=lastPct ){
        if( lastPct<0 ) printf("fuzz test:");
        printf(" %d%%", pct);
        fflush(stdout);
        lastPct = pct;
................................................................................
        zSql = zToFree = sqlite3_mprintf("SELECT strftime(%s);", zSql);
        break;
    }
    if( oomFlag ){
      oomCnt = g.iOomCntdown = 1;
      g.nOomFault = 0;
      g.bOomOnce = 1;
      if( verboseFlag ){
        printf("Once.%d\n", oomCnt);
        fflush(stdout);
      }
    }else{
      oomCnt = 0;
    }
    do{
      rc = sqlite3_open_v2(
        "main.db", &db,
        SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MEMORY,
................................................................................
        }else{
          g.iOomCntdown = ++oomCnt;
          g.nOomFault = 0;
        }
        if( oomCnt ){
          if( verboseFlag ){
            printf("%s.%d\n", g.bOomOnce ? "Once" : "Multi", oomCnt);
            fflush(stdout);
          }
          nTest++;
        }
      }
    }while( oomCnt>0 );
    if( zToFree ){
      sqlite3_free(zToFree);
................................................................................
    }
    zIn[iNext] = cSaved;
    if( verboseFlag ){
      printf("RESULT-CODE: %d\n", rc);
      if( zErrMsg ){
        printf("ERROR-MSG: [%s]\n", zErrBuf);
      }
      fflush(stdout);
    }
    /* Simulate an error if the TEST_FAILURE environment variable is "5" */
    if( zFailCode ){
      if( zFailCode[0]=='5' && zFailCode[1]==0 ){
        abendError("simulated failure");
      }else if( zFailCode[0]!=0 ){
        /* If TEST_FAILURE is something other than 5, just exit the test