SQLite

  for(i=0; i<2 && zName==0; i++, rc &= 0xff){
    switch( rc ){
      case SQLITE_OK:                 zName = "SQLITE_OK";                break;
      case SQLITE_ERROR:              zName = "SQLITE_ERROR";             break;
      case SQLITE_INTERNAL:           zName = "SQLITE_INTERNAL";          break;
      case SQLITE_PERM:               zName = "SQLITE_PERM";              break;
      case SQLITE_ABORT:              zName = "SQLITE_ABORT";             break;

      case SQLITE_BUSY:               zName = "SQLITE_BUSY";              break;

      case SQLITE_LOCKED:             zName = "SQLITE_LOCKED";            break;
      case SQLITE_LOCKED_SHAREDCACHE: zName = "SQLITE_LOCKED_SHAREDCACHE";break;
      case SQLITE_NOMEM:              zName = "SQLITE_NOMEM";             break;
      case SQLITE_READONLY:           zName = "SQLITE_READONLY";          break;



      case SQLITE_INTERRUPT:          zName = "SQLITE_INTERRUPT";         break;
      case SQLITE_IOERR:              zName = "SQLITE_IOERR";             break;

























      case SQLITE_CORRUPT:            zName = "SQLITE_CORRUPT";           break;

      case SQLITE_NOTFOUND:           zName = "SQLITE_NOTFOUND";          break;
      case SQLITE_FULL:               zName = "SQLITE_FULL";              break;
      case SQLITE_CANTOPEN:           zName = "SQLITE_CANTOPEN";          break;



      case SQLITE_PROTOCOL:           zName = "SQLITE_PROTOCOL";          break;
      case SQLITE_EMPTY:              zName = "SQLITE_EMPTY";             break;
      case SQLITE_SCHEMA:             zName = "SQLITE_SCHEMA";            break;
      case SQLITE_TOOBIG:             zName = "SQLITE_TOOBIG";            break;
      case SQLITE_CONSTRAINT:         zName = "SQLITE_CONSTRAINT";        break;
      case SQLITE_CONSTRAINT_UNIQUE:  zName = "SQLITE_CONSTRAINT_UNIQUE"; break;
      case SQLITE_CONSTRAINT_TRIGGER: zName = "SQLITE_CONSTRAINT_TRIGGER";break;

      case SQLITE_NOLFS:              zName = "SQLITE_NOLFS";             break;
      case SQLITE_AUTH:               zName = "SQLITE_AUTH";              break;
      case SQLITE_FORMAT:             zName = "SQLITE_FORMAT";            break;
      case SQLITE_RANGE:              zName = "SQLITE_RANGE";             break;
      case SQLITE_NOTADB:             zName = "SQLITE_NOTADB";            break;
      case SQLITE_ROW:                zName = "SQLITE_ROW";               break;
      case SQLITE_NOTICE:             zName = "SQLITE_NOTICE";            break;



      case SQLITE_WARNING:            zName = "SQLITE_WARNING";           break;
      case SQLITE_DONE:               zName = "SQLITE_DONE";              break;
      case SQLITE_IOERR_READ:         zName = "SQLITE_IOERR_READ";        break;
      case SQLITE_IOERR_SHORT_READ:   zName = "SQLITE_IOERR_SHORT_READ";  break;
      case SQLITE_IOERR_WRITE:        zName = "SQLITE_IOERR_WRITE";       break;
      case SQLITE_IOERR_FSYNC:        zName = "SQLITE_IOERR_FSYNC";       break;
      case SQLITE_IOERR_DIR_FSYNC:    zName = "SQLITE_IOERR_DIR_FSYNC";   break;
      case SQLITE_IOERR_TRUNCATE:     zName = "SQLITE_IOERR_TRUNCATE";    break;
      case SQLITE_IOERR_FSTAT:        zName = "SQLITE_IOERR_FSTAT";       break;
      case SQLITE_IOERR_UNLOCK:       zName = "SQLITE_IOERR_UNLOCK";      break;
      case SQLITE_IOERR_RDLOCK:       zName = "SQLITE_IOERR_RDLOCK";      break;
      case SQLITE_IOERR_DELETE:       zName = "SQLITE_IOERR_DELETE";      break;
      case SQLITE_IOERR_BLOCKED:      zName = "SQLITE_IOERR_BLOCKED";     break;
      case SQLITE_IOERR_NOMEM:        zName = "SQLITE_IOERR_NOMEM";       break;
      case SQLITE_IOERR_ACCESS:       zName = "SQLITE_IOERR_ACCESS";      break;
      case SQLITE_IOERR_CHECKRESERVEDLOCK:
                                zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
      case SQLITE_IOERR_LOCK:         zName = "SQLITE_IOERR_LOCK";        break;
      case SQLITE_CORRUPT_VTAB:       zName = "SQLITE_CORRUPT_VTAB";      break;
      case SQLITE_READONLY_RECOVERY:  zName = "SQLITE_READONLY_RECOVERY"; break;
      case SQLITE_READONLY_CANTLOCK:  zName = "SQLITE_READONLY_CANTLOCK"; break;
      case SQLITE_READONLY_ROLLBACK:  zName = "SQLITE_READONLY_ROLLBACK"; break;
    }
  }
  if( zName==0 ) zName = "SQLITE_Unknown";
  return zName;
}

/*

      sqlite3EndBenignMalloc();
      /* free the system buffer allocated by FormatMessage */
      osLocalFree(zTemp);
    }
  }
#endif
  if( 0 == dwLen ){
    sqlite3_snprintf(nBuf, zBuf, "OsError 0x%x (%u)", lastErrno, lastErrno);
  }else{
    /* copy a maximum of nBuf chars to output buffer */
    sqlite3_snprintf(nBuf, zBuf, "%s", zOut);
    /* free the UTF8 buffer */
    sqlite3_free(zOut);
  }
  return 0;

  zMsg[0] = 0;
  getLastErrorMsg(lastErrno, sizeof(zMsg), zMsg);
  assert( errcode!=SQLITE_OK );
  if( zPath==0 ) zPath = "";
  for(i=0; zMsg[i] && zMsg[i]!='\r' && zMsg[i]!='\n'; i++){}
  zMsg[i] = 0;
  sqlite3_log(errcode,
      "os_win.c:%d: (%d) %s(%s) - %s",
      iLine, lastErrno, zFunc, zPath, zMsg
  );

  return errcode;
}

/*

static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
  winFile *pFile = (winFile*)id;  /* File handle object */
  int rc = SQLITE_OK;             /* Return code for this function */
  DWORD lastErrno;

  assert( pFile );
  SimulateIOError(return SQLITE_IOERR_TRUNCATE);
  OSTRACE(("TRUNCATE file=%d, size=%lld, lock=%d\n",
           pFile->h, nByte, pFile->locktype));

  /* If the user has configured a chunk-size for this file, truncate the
  ** file so that it consists of an integer number of chunks (i.e. the
  ** actual file size after the operation may be larger than the requested
  ** size).
  */

  if( rc!= 0 ){
    rc = SQLITE_OK;
  }else{
    pFile->lastErrno =  osGetLastError();
    rc = SQLITE_BUSY;
  }

  OSTRACE(("SHM-LOCK file=%p, func=%s, errno=%d, rc=%s\n", pFile->hFile.h,
           (lockType == _SHM_UNLCK) ? "winUnlockFile" : "winLockFile",
           pFile->lastErrno, sqlite3ErrName(rc)));

  return rc;
}

/* Forward references to VFS methods */
static int winOpen(sqlite3_vfs*,const char*,sqlite3_file*,int,int*);
static int winDelete(sqlite3_vfs *,const char*,int);

/*
** Purge the winShmNodeList list of all entries with winShmNode.nRef==0.
**
** This is not a VFS shared-memory method; it is a utility function called
** by VFS shared-memory methods.
*/
static void winShmPurge(sqlite3_vfs *pVfs, int deleteFlag){
  winShmNode **pp;
  winShmNode *p;
  BOOL bRc;
  assert( winShmMutexHeld() );
  OSTRACE(("SHM-PURGE pid=%d, deleteFlag=%d\n",
           (int)osGetCurrentProcessId(), deleteFlag));
  pp = &winShmNodeList;
  while( (p = *pp)!=0 ){
    if( p->nRef==0 ){
      int i;
      if( p->mutex ) sqlite3_mutex_free(p->mutex);
      for(i=0; i<p->nRegion; i++){
        bRc = osUnmapViewOfFile(p->aRegion[i].pMap);
        OSTRACE(("SHM-PURGE-UNMAP pid=%d, region=%d, rc=%s\n",
                 (int)osGetCurrentProcessId(), i,
                 bRc ? "ok" : "failed"));
        bRc = osCloseHandle(p->aRegion[i].hMap);
        OSTRACE(("SHM-PURGE-CLOSE pid=%d, region=%d, rc=%s\n",
                 (int)osGetCurrentProcessId(), i,
                 bRc ? "ok" : "failed"));
      }
      if( p->hFile.h!=NULL && p->hFile.h!=INVALID_HANDLE_VALUE ){
        SimulateIOErrorBenign(1);
        winClose((sqlite3_file *)&p->hFile);
        SimulateIOErrorBenign(0);
      }
      if( deleteFlag ){

      if( rc==SQLITE_OK ){
        assert( (p->sharedMask & mask)==0 );
        p->exclMask |= mask;
      }
    }
  }
  sqlite3_mutex_leave(pShmNode->mutex);
  OSTRACE(("SHM-LOCK pid=%d, id=%d, sharedMask=%03x, exclMask=%03x, rc=%s\n",
           (int)osGetCurrentProcessId(), p->id, p->sharedMask, p->exclMask,
           sqlite3ErrName(rc)));
  return rc;
}

/*
** Implement a memory barrier or memory fence on shared memory.  
**

          NULL, PAGE_READWRITE, 0, nByte, NULL
      );
#elif defined(SQLITE_WIN32_HAS_ANSI)
      hMap = osCreateFileMappingA(pShmNode->hFile.h, 
          NULL, PAGE_READWRITE, 0, nByte, NULL
      );
#endif
      OSTRACE(("SHM-MAP-CREATE pid=%d, region=%d, size=%d, rc=%s\n",
               (int)osGetCurrentProcessId(), pShmNode->nRegion, nByte,
               hMap ? "ok" : "failed"));
      if( hMap ){
        int iOffset = pShmNode->nRegion*szRegion;
        int iOffsetShift = iOffset % winSysInfo.dwAllocationGranularity;
#if SQLITE_OS_WINRT
        pMap = osMapViewOfFileFromApp(hMap, FILE_MAP_WRITE | FILE_MAP_READ,
            iOffset - iOffsetShift, szRegion + iOffsetShift
        );
#else
        pMap = osMapViewOfFile(hMap, FILE_MAP_WRITE | FILE_MAP_READ,
            0, iOffset - iOffsetShift, szRegion + iOffsetShift
        );
#endif
        OSTRACE(("SHM-MAP-MAP pid=%d, region=%d, offset=%d, size=%d, rc=%s\n",
                 (int)osGetCurrentProcessId(), pShmNode->nRegion, iOffset,
                 szRegion, pMap ? "ok" : "failed"));
      }
      if( !pMap ){
        pShmNode->lastErrno = osGetLastError();
        rc = winLogError(SQLITE_IOERR_SHMMAP, pShmNode->lastErrno,
                 "winShmMap3", pDbFd->zPath);
        if( hMap ) osCloseHandle(hMap);

/*
** Cleans up the mapped region of the specified file, if any.
*/
#if SQLITE_MAX_MMAP_SIZE>0
static int winUnmapfile(winFile *pFile){
  assert( pFile!=0 );
  OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, hMap=%p, pMapRegion=%p, "
           "mmapSize=%lld, mmapSizeActual=%lld, mmapSizeMax=%lld\n",
           (int)osGetCurrentProcessId(), pFile, pFile->hMap,
           pFile->pMapRegion, pFile->mmapSize, pFile->mmapSizeActual,
           pFile->mmapSizeMax));
  if( pFile->pMapRegion ){
    if( !osUnmapViewOfFile(pFile->pMapRegion) ){
      pFile->lastErrno = osGetLastError();
      OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, pMapRegion=%p, "
               "rc=SQLITE_IOERR_MMAP\n", (int)osGetCurrentProcessId(),
               pFile, pFile->pMapRegion));
      return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
                         "winUnmap1", pFile->zPath);
    }
    pFile->pMapRegion = 0;
    pFile->mmapSize = 0;
    pFile->mmapSizeActual = 0;
  }
  if( pFile->hMap!=NULL ){
    if( !osCloseHandle(pFile->hMap) ){
      pFile->lastErrno = osGetLastError();
      OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, hMap=%p, rc=SQLITE_IOERR_MMAP\n",
               (int)osGetCurrentProcessId(), pFile, pFile->hMap));
      return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
                         "winUnmap2", pFile->zPath);
    }
    pFile->hMap = NULL;
  }
  OSTRACE(("UNMAP-FILE pid=%d, pFile=%p, rc=SQLITE_OK\n",
           (int)osGetCurrentProcessId(), pFile));
  return SQLITE_OK;
}

/*
** Memory map or remap the file opened by file-descriptor pFd (if the file
** is already mapped, the existing mapping is replaced by the new). Or, if 
** there already exists a mapping for this file, and there are still 

** code otherwise.
*/
static int winMapfile(winFile *pFd, sqlite3_int64 nByte){
  sqlite3_int64 nMap = nByte;
  int rc;

  assert( nMap>=0 || pFd->nFetchOut==0 );
  OSTRACE(("MAP-FILE pid=%d, pFile=%p, size=%lld\n",
           (int)osGetCurrentProcessId(), pFd, nByte));

  if( pFd->nFetchOut>0 ) return SQLITE_OK;

  if( nMap<0 ){
    rc = winFileSize((sqlite3_file*)pFd, &nMap);
    if( rc ){
      OSTRACE(("MAP-FILE pid=%d, pFile=%p, rc=SQLITE_IOERR_FSTAT\n",
               (int)osGetCurrentProcessId(), pFd));
      return SQLITE_IOERR_FSTAT;
    }
  }
  if( nMap>pFd->mmapSizeMax ){
    nMap = pFd->mmapSizeMax;
  }
  nMap &= ~(sqlite3_int64)(winSysInfo.dwPageSize - 1);

                                (DWORD)(nMap & 0xffffffff), NULL);
#endif
    if( pFd->hMap==NULL ){
      pFd->lastErrno = osGetLastError();
      rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                       "winMapfile", pFd->zPath);
      /* Log the error, but continue normal operation using xRead/xWrite */
      OSTRACE(("MAP-FILE-CREATE pid=%d, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
               (int)osGetCurrentProcessId(), pFd));
      return SQLITE_OK;
    }
    assert( (nMap % winSysInfo.dwPageSize)==0 );
#if SQLITE_OS_WINRT
    pNew = osMapViewOfFileFromApp(pFd->hMap, flags, 0, nMap);
#else
    assert( sizeof(SIZE_T)==sizeof(sqlite3_int64) || nMap<=0xffffffff );
    pNew = osMapViewOfFile(pFd->hMap, flags, 0, 0, (SIZE_T)nMap);
#endif
    if( pNew==NULL ){
      osCloseHandle(pFd->hMap);
      pFd->hMap = NULL;
      pFd->lastErrno = osGetLastError();
      winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                  "winMapfile", pFd->zPath);
      OSTRACE(("MAP-FILE-MAP pid=%d, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
               (int)osGetCurrentProcessId(), pFd));
      return SQLITE_OK;
    }
    pFd->pMapRegion = pNew;
    pFd->mmapSize = nMap;
    pFd->mmapSizeActual = nMap;
  }

  OSTRACE(("MAP-FILE pid=%d, pFile=%p, rc=SQLITE_OK\n",
           (int)osGetCurrentProcessId(), pFd));
  return SQLITE_OK;
}
#endif /* SQLITE_MAX_MMAP_SIZE>0 */

/*
** If possible, return a pointer to a mapping of file fd starting at offset
** iOff. The mapping must be valid for at least nAmt bytes.
**
** If such a pointer can be obtained, store it in *pp and return SQLITE_OK.
** Or, if one cannot but no error occurs, set *pp to 0 and return SQLITE_OK.
** Finally, if an error does occur, return an SQLite error code. The final
** value of *pp is undefined in this case.
**
** If this function does return a pointer, the caller must eventually 
** release the reference by calling unixUnfetch().
*/
static int winFetch(sqlite3_file *fd, i64 iOff, int nAmt, void **pp){
#if SQLITE_MAX_MMAP_SIZE>0
  winFile *pFd = (winFile*)fd;   /* The underlying database file */
#endif
  *pp = 0;

  OSTRACE(("FETCH pid=%d, pFile=%p, offset=%lld, amount=%d, pp=%p\n",
           (int)osGetCurrentProcessId(), fd, iOff, nAmt, pp));

#if SQLITE_MAX_MMAP_SIZE>0
  if( pFd->mmapSizeMax>0 ){
    if( pFd->pMapRegion==0 ){
      int rc = winMapfile(pFd, -1);
      if( rc!=SQLITE_OK ){
        OSTRACE(("FETCH pid=%d, pFile=%p, rc=%s\n",
                 (int)osGetCurrentProcessId(), pFd, sqlite3ErrName(rc)));
        return rc;
      }
    }
    if( pFd->mmapSize >= iOff+nAmt ){
      *pp = &((u8 *)pFd->pMapRegion)[iOff];
      pFd->nFetchOut++;
    }
  }
#endif

  OSTRACE(("FETCH pid=%d, pFile=%p, pp=%p, *pp=%p, rc=SQLITE_OK\n",
           (int)osGetCurrentProcessId(), fd, pp, pp ? *pp : 0));
  return SQLITE_OK;
}

/*
** If the third argument is non-NULL, then this function releases a 
** reference obtained by an earlier call to unixFetch(). The second
** argument passed to this function must be the same as the corresponding
** argument that was passed to the unixFetch() invocation. 
**
** Or, if the third argument is NULL, then this function is being called 
** to inform the VFS layer that, according to POSIX, any existing mapping 
** may now be invalid and should be unmapped.
*/
static int winUnfetch(sqlite3_file *fd, i64 iOff, void *p){
#if SQLITE_MAX_MMAP_SIZE>0
  winFile *pFd = (winFile*)fd;   /* The underlying database file */

  /* If p==0 (unmap the entire file) then there must be no outstanding 
  ** xFetch references. Or, if p!=0 (meaning it is an xFetch reference),
  ** then there must be at least one outstanding.  */
  assert( (p==0)==(pFd->nFetchOut==0) );

  /* If p!=0, it must match the iOff value. */
  assert( p==0 || p==&((u8 *)pFd->pMapRegion)[iOff] );

  OSTRACE(("UNFETCH pid=%d, pFile=%p, offset=%lld, p=%p\n",
           (int)osGetCurrentProcessId(), pFd, iOff, p));

  if( p ){
    pFd->nFetchOut--;
  }else{
    /* FIXME:  If Windows truly always prevents truncating or deleting a
    ** file while a mapping is held, then the following winUnmapfile() call
    ** is unnecessary can can be omitted - potentially improving
    ** performance.  */
    winUnmapfile(pFd);
  }

  assert( pFd->nFetchOut>=0 );
#endif

  OSTRACE(("UNFETCH pid=%d, pFile=%p, rc=SQLITE_OK\n",
           (int)osGetCurrentProcessId(), fd));
  return SQLITE_OK;
}

/*
** Here ends the implementation of all sqlite3_file methods.
**
********************** End sqlite3_file Methods *******************************

  ** temporary file name to use 
  */
  if( !zUtf8Name ){
    assert(isDelete && !isOpenJournal);
    memset(zTmpname, 0, MAX_PATH+2);
    rc = getTempname(MAX_PATH+2, zTmpname);
    if( rc!=SQLITE_OK ){
      OSTRACE(("OPEN name=%s, rc=%s",
               zUtf8Name, sqlite3ErrName(rc)));
      return rc;
    }
    zUtf8Name = zTmpname;
  }

  /* Database filenames are double-zero terminated if they are not
  ** URIs with parameters.  Hence, they can always be passed into

  if( pOutFlags ){
    if( isReadWrite ){
      *pOutFlags = SQLITE_OPEN_READWRITE;
    }else{
      *pOutFlags = SQLITE_OPEN_READONLY;
    }
  }





#if SQLITE_OS_WINCE
  if( isReadWrite && eType==SQLITE_OPEN_MAIN_DB
       && (rc = winceCreateLock(zName, pFile))!=SQLITE_OK
  ){
    osCloseHandle(h);
    sqlite3_free(zConverted);

    *ppDb = p->db;
  }else{
    *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
  }
  return TCL_OK;
}


const char *sqlite3TestErrorName(int rc){
  const char *zName = 0;
  int i;
  for(i=0; i<2 && zName==0; i++, rc &= 0xff){
    switch( rc ){
      case SQLITE_OK:                  zName = "SQLITE_OK";                break;
      case SQLITE_ERROR:               zName = "SQLITE_ERROR";             break;
      case SQLITE_INTERNAL:            zName = "SQLITE_INTERNAL";          break;
      case SQLITE_PERM:                zName = "SQLITE_PERM";              break;
      case SQLITE_ABORT:               zName = "SQLITE_ABORT";             break;
      case SQLITE_BUSY:                zName = "SQLITE_BUSY";              break;
      case SQLITE_LOCKED:              zName = "SQLITE_LOCKED";            break;
      case SQLITE_LOCKED_SHAREDCACHE:  zName = "SQLITE_LOCKED_SHAREDCACHE";break;
      case SQLITE_NOMEM:               zName = "SQLITE_NOMEM";             break;
      case SQLITE_READONLY:            zName = "SQLITE_READONLY";          break;
      case SQLITE_INTERRUPT:           zName = "SQLITE_INTERRUPT";         break;
      case SQLITE_IOERR:               zName = "SQLITE_IOERR";             break;
      case SQLITE_CORRUPT:             zName = "SQLITE_CORRUPT";           break;
      case SQLITE_NOTFOUND:            zName = "SQLITE_NOTFOUND";          break;
      case SQLITE_FULL:                zName = "SQLITE_FULL";              break;
      case SQLITE_CANTOPEN:            zName = "SQLITE_CANTOPEN";          break;
      case SQLITE_PROTOCOL:            zName = "SQLITE_PROTOCOL";          break;
      case SQLITE_EMPTY:               zName = "SQLITE_EMPTY";             break;
      case SQLITE_SCHEMA:              zName = "SQLITE_SCHEMA";            break;
      case SQLITE_TOOBIG:              zName = "SQLITE_TOOBIG";            break;
      case SQLITE_CONSTRAINT:          zName = "SQLITE_CONSTRAINT";        break;
      case SQLITE_CONSTRAINT_UNIQUE:   zName = "SQLITE_CONSTRAINT_UNIQUE"; break;
      case SQLITE_CONSTRAINT_TRIGGER:  zName = "SQLITE_CONSTRAINT_TRIGGER";break;
      case SQLITE_CONSTRAINT_FOREIGNKEY:
                                   zName = "SQLITE_CONSTRAINT_FOREIGNKEY"; break;
      case SQLITE_CONSTRAINT_CHECK:    zName = "SQLITE_CONSTRAINT_CHECK";  break;
      case SQLITE_CONSTRAINT_PRIMARYKEY:
                                   zName = "SQLITE_CONSTRAINT_PRIMARYKEY"; break;
      case SQLITE_CONSTRAINT_NOTNULL:  zName = "SQLITE_CONSTRAINT_NOTNULL";break;
      case SQLITE_CONSTRAINT_COMMITHOOK:
                                   zName = "SQLITE_CONSTRAINT_COMMITHOOK"; break;
      case SQLITE_CONSTRAINT_VTAB:     zName = "SQLITE_CONSTRAINT_VTAB";   break;
      case SQLITE_CONSTRAINT_FUNCTION: zName = "SQLITE_CONSTRAINT_FUNCTION";break;
      case SQLITE_MISMATCH:            zName = "SQLITE_MISMATCH";          break;
      case SQLITE_MISUSE:              zName = "SQLITE_MISUSE";            break;
      case SQLITE_NOLFS:               zName = "SQLITE_NOLFS";             break;
      case SQLITE_AUTH:                zName = "SQLITE_AUTH";              break;
      case SQLITE_FORMAT:              zName = "SQLITE_FORMAT";            break;
      case SQLITE_RANGE:               zName = "SQLITE_RANGE";             break;
      case SQLITE_NOTADB:              zName = "SQLITE_NOTADB";            break;
      case SQLITE_ROW:                 zName = "SQLITE_ROW";               break;
      case SQLITE_NOTICE:              zName = "SQLITE_NOTICE";            break;
      case SQLITE_WARNING:             zName = "SQLITE_WARNING";           break;
      case SQLITE_DONE:                zName = "SQLITE_DONE";              break;
      case SQLITE_IOERR_READ:          zName = "SQLITE_IOERR_READ";        break;
      case SQLITE_IOERR_SHORT_READ:    zName = "SQLITE_IOERR_SHORT_READ";  break;
      case SQLITE_IOERR_WRITE:         zName = "SQLITE_IOERR_WRITE";       break;
      case SQLITE_IOERR_FSYNC:         zName = "SQLITE_IOERR_FSYNC";       break;
      case SQLITE_IOERR_DIR_FSYNC:     zName = "SQLITE_IOERR_DIR_FSYNC";   break;
      case SQLITE_IOERR_TRUNCATE:      zName = "SQLITE_IOERR_TRUNCATE";    break;
      case SQLITE_IOERR_FSTAT:         zName = "SQLITE_IOERR_FSTAT";       break;
      case SQLITE_IOERR_UNLOCK:        zName = "SQLITE_IOERR_UNLOCK";      break;
      case SQLITE_IOERR_RDLOCK:        zName = "SQLITE_IOERR_RDLOCK";      break;
      case SQLITE_IOERR_DELETE:        zName = "SQLITE_IOERR_DELETE";      break;
      case SQLITE_IOERR_BLOCKED:       zName = "SQLITE_IOERR_BLOCKED";     break;
      case SQLITE_IOERR_NOMEM:         zName = "SQLITE_IOERR_NOMEM";       break;
      case SQLITE_IOERR_ACCESS:        zName = "SQLITE_IOERR_ACCESS";      break;
      case SQLITE_IOERR_CHECKRESERVEDLOCK:
                                 zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
      case SQLITE_IOERR_LOCK:          zName = "SQLITE_IOERR_LOCK";        break;
      case SQLITE_CORRUPT_VTAB:        zName = "SQLITE_CORRUPT_VTAB";      break;
      case SQLITE_READONLY_RECOVERY:   zName = "SQLITE_READONLY_RECOVERY"; break;
      case SQLITE_READONLY_CANTLOCK:   zName = "SQLITE_READONLY_CANTLOCK"; break;
      case SQLITE_READONLY_ROLLBACK:   zName = "SQLITE_READONLY_ROLLBACK"; break;
    }
  }
  if( zName==0 ) zName = "SQLITE_Unknown";
  return zName;
}
#define t1ErrorName sqlite3TestErrorName

/*
** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
** fact that the sqlite3* is the first field in the Vdbe structure.
*/
#define StmtToDb(X)   sqlite3_db_handle(X)

  if( nByte>0 ){
    zBuf = (unsigned char *)Tcl_Alloc(nByte);
  }
  rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
  if( rc==SQLITE_OK ){
    Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));
  }else{
    Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  }
  Tcl_Free((char *)zBuf);

  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
}

/*

  zBuf = Tcl_GetByteArrayFromObj(objv[3], &nBuf);
  if( objc==5 && Tcl_GetIntFromObj(interp, objv[4], &nBuf) ){
    return TCL_ERROR;
  }
  rc = sqlite3_blob_write(pBlob, zBuf, nBuf, iOffset);
  if( rc!=SQLITE_OK ){
    Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  }

  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
}

static int test_blob_reopen(
  ClientData clientData, /* Not used */

  }

  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
  if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;

  rc = sqlite3_blob_reopen(pBlob, iRowid);
  if( rc!=SQLITE_OK ){
    Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  }

  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
}

#endif

      (p->pFunc ? cf2Func : 0),
      (p->pStep ? cf2Step : 0),
      (p->pFinal ? cf2Final : 0),
      cf2Destroy
  );
  if( rc!=SQLITE_OK ){
    Tcl_ResetResult(interp);
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?

    }
    sqlite3ValueFree(pVal);
    sqlite3_mutex_leave(db->mutex);
  }
  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
  
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;

bad_args:
  Tcl_AppendResult(interp, "wrong # args: should be \"",
      Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);

  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
  value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
  if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;

  rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }

  return TCL_OK;
}

/*

  if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
  value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
  if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;

  rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }

#endif /* SQLITE_OMIT_UTF16 */
  return TCL_OK;
}

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
        " DB", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
  if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
  rc = sqlite3_busy_timeout(db, ms);
  Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
  return TCL_OK;
}

/*
** Usage:  tcl_variable_type VARIABLENAME
**
** Return the name of the internal representation for the

   return TCL_ERROR;
  }
  zDb = Tcl_GetString(objv[2]);
  if( zDb[0]=='\0' ) zDb = NULL;

  rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
  if( rc ){
    Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** tclcmd:   file_control_sizehint_test DB DBNAME SIZE

   return TCL_ERROR;
  }
  zDb = Tcl_GetString(objv[2]);
  if( zDb[0]=='\0' ) zDb = NULL;

  rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
  if( rc ){
    Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** tclcmd:   file_control_lockproxy_test DB PWD

  Tcl_Interp *pInterp;
  Tcl_Obj *pObj;
} logcallback = {0, 0};
static void xLogcallback(void *unused, int err, char *zMsg){
  Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
  Tcl_IncrRefCount(pNew);
  Tcl_ListObjAppendElement(
      0, pNew, Tcl_NewStringObj(sqlite3TestErrorName(err), -1)
  );
  Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
  Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
  Tcl_DecrRefCount(pNew);
}
static int test_sqlite3_log(
  ClientData clientData,

*/
#include "sqliteInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

extern const char *sqlite3TestErrorName(int rc);

/*
** Page size and reserved size used for testing.
*/
static int test_pagesize = 1024;

/*

    return TCL_ERROR;
  }
  if( Tcl_GetInt(interp, argv[2], &nPage) ) return TCL_ERROR;
  rc = sqlite3PagerOpen(sqlite3_vfs_find(0), &pPager, argv[1], 0, 0,
      SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MAIN_DB,
      pager_test_reiniter);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3PagerSetCachesize(pPager, nPage);
  pageSize = test_pagesize;
  sqlite3PagerSetPagesize(pPager, &pageSize, -1);
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPager);
  Tcl_AppendResult(interp, zBuf, 0);

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerClose(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_rollback ID

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerRollback(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_commit ID

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerCommitPhaseOne(pPager, 0, 0);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  rc = sqlite3PagerCommitPhaseTwo(pPager);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_stmt_begin ID

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerOpenSavepoint(pPager, 1);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_stmt_rollback ID

       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerSavepoint(pPager, SAVEPOINT_ROLLBACK, 0);
  sqlite3PagerSavepoint(pPager, SAVEPOINT_RELEASE, 0);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_stmt_commit ID

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pPager = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerSavepoint(pPager, SAVEPOINT_RELEASE, 0);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   pager_stats ID

  pPager = sqlite3TestTextToPtr(argv[1]);
  if( Tcl_GetInt(interp, argv[2], &pgno) ) return TCL_ERROR;
  rc = sqlite3PagerSharedLock(pPager);
  if( rc==SQLITE_OK ){
    rc = sqlite3PagerGet(pPager, pgno, &pPage);
  }
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%p",pPage);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " PAGE DATA\"", 0);
    return TCL_ERROR;
  }
  pPage = (DbPage *)sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3PagerWrite(pPage);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  pData = sqlite3PagerGetData(pPage);
  strncpy(pData, argv[2], test_pagesize-1);
  pData[test_pagesize-1] = 0;
  return TCL_OK;
}

  if( zFile==0 ) return TCL_ERROR;
  memcpy(zFile, argv[2], nFile+1);
  zFile[nFile+1] = 0;
  rc = sqlite3OsOpenMalloc(pVfs, zFile, &fd, 
      (SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE|SQLITE_OPEN_MAIN_DB), 0
  );
  if( rc ){
    Tcl_AppendResult(interp, "open failed: ", sqlite3TestErrorName(rc), 0);
    sqlite3_free(zFile);
    return TCL_ERROR;
  }
  offset = n;
  offset *= 1024*1024;
  rc = sqlite3OsWrite(fd, "Hello, World!", 14, offset);
  sqlite3OsCloseFree(fd);
  sqlite3_free(zFile);
  if( rc ){
    Tcl_AppendResult(interp, "write failed: ", sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}
#endif

*/
#include "sqliteInt.h"
#include "btreeInt.h"
#include "tcl.h"
#include <stdlib.h>
#include <string.h>

extern const char *sqlite3TestErrorName(int rc);

/*
** A bogus sqlite3 connection structure for use in the btree
** tests.
*/
static sqlite3 sDb;
static int nRefSqlite3 = 0;

  if( zFilename==0 ) return TCL_ERROR;
  memcpy(zFilename, argv[1], n+1);
  zFilename[n+1] = 0;
  rc = sqlite3BtreeOpen(sDb.pVfs, zFilename, &sDb, &pBt, 0, 
     SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE | SQLITE_OPEN_MAIN_DB);
  sqlite3_free(zFilename);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3BtreeSetCacheSize(pBt, nCache);
  sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pBt);
  Tcl_AppendResult(interp, zBuf, 0);
  return TCL_OK;
}

    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
       " ID\"", 0);
    return TCL_ERROR;
  }
  pBt = sqlite3TestTextToPtr(argv[1]);
  rc = sqlite3BtreeClose(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  nRefSqlite3--;
  if( nRefSqlite3==0 ){
    sqlite3_mutex_leave(sDb.mutex);
    sqlite3_mutex_free(sDb.mutex);
    sDb.mutex = 0;

    return TCL_ERROR;
  }
  pBt = sqlite3TestTextToPtr(argv[1]);
  sqlite3BtreeEnter(pBt);
  rc = sqlite3BtreeBeginTrans(pBt, 1);
  sqlite3BtreeLeave(pBt);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** Usage:   btree_pager_stats ID

#endif
  if( rc==SQLITE_OK ){
    rc = sqlite3BtreeCursor(pBt, iTable, wrFlag, 0, pCur);
  }
  sqlite3BtreeLeave(pBt);
  if( rc ){
    ckfree((char *)pCur);
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf), zBuf,"%p", pCur);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

  pCur = sqlite3TestTextToPtr(argv[1]);
  pBt = pCur->pBtree;
  sqlite3BtreeEnter(pBt);
  rc = sqlite3BtreeCloseCursor(pCur);
  sqlite3BtreeLeave(pBt);
  ckfree((char *)pCur);
  if( rc ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  return SQLITE_OK;
}

/*
** Usage:   btree_next ID

    return TCL_ERROR;
  }
  pCur = sqlite3TestTextToPtr(argv[1]);
  sqlite3BtreeEnter(pCur->pBtree);
  rc = sqlite3BtreeNext(pCur, &res);
  sqlite3BtreeLeave(pCur->pBtree);
  if( rc ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

    return TCL_ERROR;
  }
  pCur = sqlite3TestTextToPtr(argv[1]);
  sqlite3BtreeEnter(pCur->pBtree);
  rc = sqlite3BtreeFirst(pCur, &res);
  sqlite3BtreeLeave(pCur->pBtree);
  if( rc ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
    return TCL_ERROR;
  }
  sqlite3_snprintf(sizeof(zBuf),zBuf,"%d",res);
  Tcl_AppendResult(interp, zBuf, 0);
  return SQLITE_OK;
}

#if SQLITE_OS_UNIX && SQLITE_THREADSAFE
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <sched.h>
#include <ctype.h>

extern const char *sqlite3TestErrorName(int rc);

/*
** Each thread is controlled by an instance of the following
** structure.
*/
typedef struct Thread Thread;
struct Thread {

  i = parse_thread_id(interp, argv[1]);
  if( i<0 ) return TCL_ERROR;
  if( !threadset[i].busy ){
    Tcl_AppendResult(interp, "no such thread", 0);
    return TCL_ERROR;
  }
  thread_wait(&threadset[i]);
  zName = sqlite3TestErrorName(threadset[i].rc);
  Tcl_AppendResult(interp, zName, 0);
  return TCL_OK;
}

/*
** Usage: thread_error  ID
**

    Tcl_AppendResult(interp, "column number out of range", 0);
    return TCL_ERROR;
  }
  Tcl_AppendResult(interp, threadset[i].colv[n], 0);
  return TCL_OK;
}

extern const char *sqlite3TestErrorName(int rc);

/*
** Usage: client_result  ID
**
** Wait on the most recent operation to complete, then return the
** result code from that operation.
*/

  i = parse_client_id(interp, argv[1]);
  if( i<0 ) return TCL_ERROR;
  if( !threadset[i].busy ){
    Tcl_AppendResult(interp, "no such thread", 0);
    return TCL_ERROR;
  }
  client_wait(&threadset[i]);
  zName = sqlite3TestErrorName(threadset[i].rc);
  Tcl_AppendResult(interp, zName, 0);
  return TCL_OK;
}

/*
** Usage: client_error  ID
**

  echoRollbackTo
};

/*
** Decode a pointer to an sqlite3 object.
*/
extern int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb);
extern const char *sqlite3TestErrorName(int rc);

static void moduleDestroy(void *p){
  sqlite3_free(p);
}

/*
** Register the echo virtual table module.

    pMod = sqlite3_malloc(sizeof(EchoModule));
    pMod->interp = interp;
    rc = sqlite3_create_module_v2(db, "echo_v2", 
        &echoModuleV2, (void*)pMod, moduleDestroy
    );
  }

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

/*
** Tcl interface to sqlite3_declare_vtab, invoked as follows from Tcl:
**
** sqlite3_declare_vtab DB SQL

#ifdef SQLITE_ENABLE_ASYNCIO

#include "sqlite3async.h"
#include "sqlite3.h"
#include <assert.h>

/* From test1.c */
const char *sqlite3TestErrorName(int);


struct TestAsyncGlobal {
  int isInstalled;                     /* True when async VFS is installed */
} testasync_g = { 0 };

TCL_DECLARE_MUTEX(testasync_g_writerMutex);

  }
  if( Tcl_GetBooleanFromObj(interp, objv[2], &isDefault) ){
    return TCL_ERROR;
  }

  rc = sqlite3async_initialize(zParent, isDefault);
  if( rc!=SQLITE_OK ){
    Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3TestErrorName(rc), -1));
    return TCL_ERROR;
  }
  return TCL_OK;
}

/*
** sqlite3async_shutdown

    rc = sqlite3async_control(
        eOpt==SQLITEASYNC_HALT ? SQLITEASYNC_GET_HALT :
        eOpt==SQLITEASYNC_DELAY ? SQLITEASYNC_GET_DELAY :
        SQLITEASYNC_GET_LOCKFILES, &iVal);
  }

  if( rc!=SQLITE_OK ){
    Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3TestErrorName(rc), -1));
    return TCL_ERROR;
  }

  if( eOpt==SQLITEASYNC_HALT ){
    Tcl_SetObjResult(interp, Tcl_NewStringObj(az[iVal], -1));
  }else{
    Tcl_SetObjResult(interp, Tcl_NewIntObj(iVal));

** This file contains test logic for the sqlite3_backup() interface.
**
*/

#include "tcl.h"
#include <sqlite3.h>
#include <assert.h>




/* These functions are implemented in test1.c. */
int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);
const char *sqlite3TestErrorName(int);

static int backupTestCmd(
  ClientData clientData, 
  Tcl_Interp *interp, 
  int objc,
  Tcl_Obj *const*objv
){

      zCmdName = Tcl_GetString(objv[0]);
      Tcl_GetCommandInfo(interp, zCmdName, &cmdInfo);
      cmdInfo.deleteProc = 0;
      Tcl_SetCommandInfo(interp, zCmdName, &cmdInfo);
      Tcl_DeleteCommand(interp, zCmdName);

      rc = sqlite3_backup_finish(p);
      Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
      break;
    }

    case BACKUP_STEP: {
      int nPage;
      if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &nPage) ){
        return TCL_ERROR;
      }
      rc = sqlite3_backup_step(p, nPage);
      Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
      break;
    }

    case BACKUP_REMAINING:
      Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_backup_remaining(p)));
      break;

/*
** Routines to encode and decode pointers
*/
extern int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb);
extern void *sqlite3TestTextToPtr(const char*);
extern int sqlite3TestMakePointerStr(Tcl_Interp*, char *zPtr, void*);
extern const char *sqlite3TestErrorName(int);

/*
**    sqlite3_intarray_create  DB  NAME
**
** Invoke the sqlite3_intarray_create interface.  A string that becomes
** the first parameter to sqlite3_intarray_bind.
*/

  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  zName = Tcl_GetString(objv[2]);
#ifndef SQLITE_OMIT_VIRTUALTABLE
  rc = sqlite3_intarray_create(db, zName, &pArray);
#endif
  if( rc!=SQLITE_OK ){
    assert( pArray==0 );
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), (char*)0);
    return TCL_ERROR;
  }
  sqlite3TestMakePointerStr(interp, zPtr, pArray);
  Tcl_AppendResult(interp, zPtr, (char*)0);
  return TCL_OK;
}

  for(i=0; i<n; i++){
    Tcl_WideInt x = 0;
    Tcl_GetWideIntFromObj(0, objv[i+2], &x);
    a[i] = x;
  }
  rc = sqlite3_intarray_bind(pArray, n, a, sqlite3_free);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3TestErrorName(rc), (char*)0);
    return TCL_ERROR;
  }
#endif
  return TCL_OK;
}

/*

  }
  return rc;
}

#ifdef SQLITE_TEST

/*
** This function is implemented in test1.c. Returns a pointer to a static
** buffer containing the symbolic SQLite error code that corresponds to
** the least-significant 8-bits of the integer passed as an argument.
** For example:
**
**   sqlite3TestErrorName(1) -> "SQLITE_ERROR"
*/
const char *sqlite3TestErrorName(int);

/*
** Transform pointers to text and back again
*/
static void pointerToText(void *p, char *z){
  static const char zHex[] = "0123456789abcdef";
  int i, k;

  Tcl_Obj *CONST objv[]
){
  int rc;
  int sz, cnt;
  sqlite3 *db;
  int bufid;
  static char azBuf[2][10000];
  int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
  if( objc!=5 ){
    Tcl_WrongNumArgs(interp, 1, objv, "BUFID SIZE COUNT");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[2], &bufid) ) return TCL_ERROR;
  if( Tcl_GetIntFromObj(interp, objv[3], &sz) ) return TCL_ERROR;

    zBuf = 0;
    rc = sqlite3_config(SQLITE_CONFIG_HEAP, (void*)0, 0, 0);
  }else{
    zBuf = realloc(zBuf, nByte);
    rc = sqlite3_config(SQLITE_CONFIG_HEAP, zBuf, nByte, nMinAlloc);
  }

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

/*
** Usage:    sqlite3_config_error  [DB]
**
** Invoke sqlite3_config() or sqlite3_db_config() with invalid
** opcodes and verify that they return errors.
*/
static int test_config_error(
  void * clientData, 
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  sqlite3 *db;
  int getDbPointer(Tcl_Interp*, const char*, sqlite3**);

  if( objc!=2 && objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "[DB]");
    return TCL_ERROR;
  }
  if( objc==2 ){
    if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;

    return TCL_ERROR;
  }
  if( Tcl_GetBooleanFromObj(interp, objv[1], &bOpenUri) ){
    return TCL_ERROR;
  }

  rc = sqlite3_config(SQLITE_CONFIG_URI, bOpenUri);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);

  return TCL_OK;
}

/*
** Usage:    sqlite3_config_cis  BOOLEAN
**

    return TCL_ERROR;
  }
  if( Tcl_GetBooleanFromObj(interp, objv[1], &bUseCis) ){
    return TCL_ERROR;
  }

  rc = sqlite3_config(SQLITE_CONFIG_COVERING_INDEX_SCAN, bUseCis);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);

  return TCL_OK;
}

/*
** Usage:    sqlite3_dump_memsys3  FILENAME
**           sqlite3_dump_memsys5  FILENAME

  int objc,
  Tcl_Obj *CONST objv[]
){
  int rc, iValue, mxValue;
  int i, op, resetFlag;
  const char *zOpName;
  sqlite3 *db;
  int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
  static const struct {
    const char *zName;
    int op;
  } aOp[] = {
    { "LOOKASIDE_USED",      SQLITE_DBSTATUS_LOOKASIDE_USED      },
    { "CACHE_USED",          SQLITE_DBSTATUS_CACHE_USED          },
    { "SCHEMA_USED",         SQLITE_DBSTATUS_SCHEMA_USED         },

    Tcl_WrongNumArgs(interp, 1, objv, "BOOLEAN");
    return TCL_ERROR;
  }
  if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[1], &isInstall) ){
    return TCL_ERROR;
  }
  rc = faultsimInstall(isInstall);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

/*
** sqlite3_install_memsys3
*/
static int test_install_memsys3(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  int rc = SQLITE_MISUSE;
#ifdef SQLITE_ENABLE_MEMSYS3
  const sqlite3_mem_methods *sqlite3MemGetMemsys3(void);
  rc = sqlite3_config(SQLITE_CONFIG_MALLOC, sqlite3MemGetMemsys3());
#endif
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

static int test_vfs_oom_test(
  void * clientData,
  Tcl_Interp *interp,
  int objc,

  memset(&gMultiplex, 0, sizeof(gMultiplex));
  return SQLITE_OK;
}

/***************************** Test Code ***********************************/
#ifdef SQLITE_TEST
#include <tcl.h>
extern const char *sqlite3TestErrorName(int);


/*
** tclcmd: sqlite3_multiplex_initialize NAME MAKEDEFAULT
*/
static int test_multiplex_initialize(
  void * clientData,

  }
  zName = Tcl_GetString(objv[1]);
  if( Tcl_GetBooleanFromObj(interp, objv[2], &makeDefault) ) return TCL_ERROR;
  if( zName[0]=='\0' ) zName = 0;

  /* Call sqlite3_multiplex_initialize() */
  rc = sqlite3_multiplex_initialize(zName, makeDefault);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);

  return TCL_OK;
}

/*
** tclcmd: sqlite3_multiplex_shutdown
*/

  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  /* Call sqlite3_multiplex_shutdown() */
  rc = sqlite3_multiplex_shutdown();
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);

  return TCL_OK;
}

/*
** tclcmd:  sqlite3_multiplex_dump
*/

      break;
    default:
      Tcl_WrongNumArgs(interp, 4, objv, "SUB-COMMAND");
      return TCL_ERROR;
  }

  rc = sqlite3_file_control(db, Tcl_GetString(objv[2]), aSub[idx].op, pArg);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return (rc==SQLITE_OK) ? TCL_OK : TCL_ERROR;
}

/*
** This routine registers the custom TCL commands defined in this
** module.  This should be the only procedure visible from outside
** of this module.

#include "tcl.h"
#include "sqlite3.h"
#include "sqliteInt.h"
#include <stdlib.h>
#include <assert.h>
#include <string.h>

/* defined in test1.c */
const char *sqlite3TestErrorName(int);

/* A countable mutex */
struct sqlite3_mutex {
  sqlite3_mutex *pReal;
  int eType;
};

  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  rc = sqlite3_shutdown();
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

/*
** sqlite3_initialize
*/
static int test_initialize(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  int rc;

  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  rc = sqlite3_initialize();
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

/*
** install_mutex_counters BOOLEAN
*/
static int test_install_mutex_counters(

    memset(&g.m, 0, sizeof(sqlite3_mutex_methods));
  }

  if( rc==SQLITE_OK ){
    g.isInstalled = isInstall;
  }

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

/*
** read_mutex_counters
*/
static int test_read_mutex_counters(

      return TCL_ERROR;
    }
  }else{
    i = aOpt[i].iValue;
  }

  rc = sqlite3_config(i);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
  return TCL_OK;
}

static sqlite3 *getDbPointer(Tcl_Interp *pInterp, Tcl_Obj *pObj){
  sqlite3 *db;
  Tcl_CmdInfo info;
  char *zCmd = Tcl_GetString(pObj);

*/
typedef struct TclQuotaCallback TclQuotaCallback;
struct TclQuotaCallback {
  Tcl_Interp *interp;    /* Interpreter in which to run the script */
  Tcl_Obj *pScript;      /* Script to be run */
};

extern const char *sqlite3TestErrorName(int);


/*
** This is the callback from a quota-over-limit.
*/
static void tclQuotaCallback(
  const char *zFilename,          /* Name of file whose size increases */

  }
  zName = Tcl_GetString(objv[1]);
  if( Tcl_GetBooleanFromObj(interp, objv[2], &makeDefault) ) return TCL_ERROR;
  if( zName[0]=='\0' ) zName = 0;

  /* Call sqlite3_quota_initialize() */
  rc = sqlite3_quota_initialize(zName, makeDefault);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);

  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_shutdown
*/

  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  /* Call sqlite3_quota_shutdown() */
  rc = sqlite3_quota_shutdown();
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);

  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_set PATTERN LIMIT SCRIPT
*/

    xDestroy = 0;
    xCallback = 0;
  }

  /* Invoke sqlite3_quota_set() */
  rc = sqlite3_quota_set(zPattern, iLimit, xCallback, (void*)p, xDestroy);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

/*
** tclcmd: sqlite3_quota_file FILENAME
*/
static int test_quota_file(

    return TCL_ERROR;
  }
  zFilename = Tcl_GetString(objv[1]);

  /* Invoke sqlite3_quota_file() */
  rc = sqlite3_quota_file(zFilename);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
  return TCL_OK;
}

/*
** tclcmd:  sqlite3_quota_dump
*/
static int test_quota_dump(

#ifndef SQLITE_ENABLE_RTREE
  UNUSED_PARAMETER(clientData);
  UNUSED_PARAMETER(interp);
  UNUSED_PARAMETER(objc);
  UNUSED_PARAMETER(objv);
#else
  extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
  extern const char *sqlite3TestErrorName(int);
  sqlite3 *db;
  int rc;

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  rc = sqlite3_rtree_geometry_callback(db, "cube", cube_geom, (void *)&gHere);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
#endif
  return TCL_OK;
}

static int register_circle_geom(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
#ifndef SQLITE_ENABLE_RTREE
  UNUSED_PARAMETER(clientData);
  UNUSED_PARAMETER(interp);
  UNUSED_PARAMETER(objc);
  UNUSED_PARAMETER(objv);
#else
  extern int getDbPointer(Tcl_Interp*, const char*, sqlite3**);
  extern const char *sqlite3TestErrorName(int);
  sqlite3 *db;
  int rc;

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB");
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
  rc = sqlite3_rtree_geometry_callback(db, "circle", circle_geom, 0);
  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
#endif
  return TCL_OK;
}

int Sqlitetestrtree_Init(Tcl_Interp *interp){
  Tcl_CreateObjCommand(interp, "register_cube_geom", register_cube_geom, 0, 0);
  Tcl_CreateObjCommand(interp, "register_circle_geom",register_circle_geom,0,0);
  return TCL_OK;
}

#include <stdlib.h>
#include <string.h>
#include <assert.h>

#include "sqliteInt.h"
#if SQLITE_OS_UNIX

/* From test1.c */
extern const char *sqlite3TestErrorName(int);

#include <sys/mman.h>
#include <sys/types.h>
#include <errno.h>

static struct TestSyscallGlobal {
  int bPersist;                   /* 1 for persistent errors, 0 for transient */

    for(i=0; rc==SQLITE_OK && aSyscall[i].zName; i++){
      if( strlen(aSyscall[i].zName)!=nFunc ) continue;
      if( memcmp(aSyscall[i].zName, zFunc, nFunc) ) continue;
      aSyscall[i].xOrig = 0;
    }
  }
  if( rc!=SQLITE_OK ){
    Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3TestErrorName(rc), -1));
    return TCL_ERROR;
  }

  Tcl_ResetResult(interp);
  return TCL_OK;
}

#if SQLITE_OS_UNIX && defined(SQLITE_ENABLE_UNLOCK_NOTIFY)
static Tcl_ObjCmdProc blocking_step_proc;
static Tcl_ObjCmdProc blocking_prepare_v2_proc;
#endif
int Sqlitetest1_Init(Tcl_Interp *);
int Sqlite3_Init(Tcl_Interp *);




/* Functions from test1.c */
void *sqlite3TestTextToPtr(const char *);
const char *sqlite3TestErrorName(int);
int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);
int sqlite3TestMakePointerStr(Tcl_Interp *, char *, void *);
int sqlite3TestErrCode(Tcl_Interp *, sqlite3 *, int);

/*
** Handler for events of type EvalEvent.
*/
static int tclScriptEvent(Tcl_Event *evPtr, int flags){
  int rc;
  EvalEvent *p = (EvalEvent *)evPtr;

    Tcl_WrongNumArgs(interp, 1, objv, "STMT");
    return TCL_ERROR;
  }

  pStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(Tcl_GetString(objv[1]));
  rc = sqlite3_blocking_step(pStmt);

  Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), 0);
  return TCL_OK;
}

/*
** Usage: sqlite3_blocking_prepare_v2 DB sql bytes ?tailvar?
** Usage: sqlite3_nonblocking_prepare_v2 DB sql bytes ?tailvar?
*/

    if( bytes>=0 ){
      bytes = bytes - (zTail-zSql);
    }
    Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
  }
  if( rc!=SQLITE_OK ){
    assert( pStmt==0 );
    sprintf(zBuf, "%s ", (char *)sqlite3TestErrorName(rc));
    Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
    return TCL_ERROR;
  }

  if( pStmt ){
    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
    Tcl_AppendResult(interp, zBuf, 0);