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Overview
Comment:Improve the consistency of the diagnostic messages on Windows.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | cygwinTempPath
Files: files | file ages | folders
SHA1: c6f174a0cb27fe79740fffc7ce51081ec52a5dbd
User & Date: mistachkin 2013-08-31 02:48:56.122
Context
2013-08-31
05:13
Fix harmless MSVC compiler warning with MEMDEBUG defined. (check-in: b48cfd2dfc user: mistachkin tags: cygwinTempPath)
02:48
Improve the consistency of the diagnostic messages on Windows. (check-in: c6f174a0cb user: mistachkin tags: cygwinTempPath)
2013-08-30
21:52
Add support for Cygwin when handling temporary file names. Improve error codes and diagnostic messages for temporary file name handling on Windows. Rename winConvertUtf8Filename to winConvertFromUtf8Filename. Improve placement and comments for forward function declarations. (check-in: a411df7251 user: mistachkin tags: cygwinTempPath)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_win.c.
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    if (*zTok == '\\') *zTok = '_';
  }

  /* Create/open the named mutex */
  pFile->hMutex = osCreateMutexW(NULL, FALSE, zName);
  if (!pFile->hMutex){
    pFile->lastErrno = osGetLastError();

    winLogError(SQLITE_IOERR, pFile->lastErrno,
                "winceCreateLock1", zFilename);
    sqlite3_free(zName);
    return SQLITE_IOERR;
  }

  /* Acquire the mutex before continuing */
  winceMutexAcquire(pFile->hMutex);
  
  /* Since the names of named mutexes, semaphores, file mappings etc are 
  ** case-sensitive, take advantage of that by uppercasing the mutex name







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<







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    if (*zTok == '\\') *zTok = '_';
  }

  /* Create/open the named mutex */
  pFile->hMutex = osCreateMutexW(NULL, FALSE, zName);
  if (!pFile->hMutex){
    pFile->lastErrno = osGetLastError();
    sqlite3_free(zName);
    return winLogError(SQLITE_IOERR, pFile->lastErrno,
                       "winceCreateLock1", zFilename);


  }

  /* Acquire the mutex before continuing */
  winceMutexAcquire(pFile->hMutex);
  
  /* Since the names of named mutexes, semaphores, file mappings etc are 
  ** case-sensitive, take advantage of that by uppercasing the mutex name
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  */
  dwRet = osSetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);

  if( (dwRet==INVALID_SET_FILE_POINTER
      && ((lastErrno = osGetLastError())!=NO_ERROR)) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
             "winSeekFile", pFile->zPath);
    OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
    return 1;
  }

  OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
  return 0;
#else
  /*
  ** Same as above, except that this implementation works for WinRT.
  */

  LARGE_INTEGER x;                /* The new offset */
  BOOL bRet;                      /* Value returned by SetFilePointerEx() */

  x.QuadPart = iOffset;
  bRet = osSetFilePointerEx(pFile->h, x, 0, FILE_BEGIN);

  if(!bRet){
    pFile->lastErrno = osGetLastError();
    winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
             "winSeekFile", pFile->zPath);
    OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
    return 1;
  }

  OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
  return 0;
#endif







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  */
  dwRet = osSetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);

  if( (dwRet==INVALID_SET_FILE_POINTER
      && ((lastErrno = osGetLastError())!=NO_ERROR)) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
                "winSeekFile", pFile->zPath);
    OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
    return 1;
  }

  OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
  return 0;
#else
  /*
  ** Same as above, except that this implementation works for WinRT.
  */

  LARGE_INTEGER x;                /* The new offset */
  BOOL bRet;                      /* Value returned by SetFilePointerEx() */

  x.QuadPart = iOffset;
  bRet = osSetFilePointerEx(pFile->h, x, 0, FILE_BEGIN);

  if(!bRet){
    pFile->lastErrno = osGetLastError();
    winLogError(SQLITE_IOERR_SEEK, pFile->lastErrno,
                "winSeekFile", pFile->zPath);
    OSTRACE(("SEEK file=%p, rc=SQLITE_IOERR_SEEK\n", pFile->h));
    return 1;
  }

  OSTRACE(("SEEK file=%p, rc=SQLITE_OK\n", pFile->h));
  return 0;
#endif
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         osGetLastError()!=ERROR_HANDLE_EOF ){
#endif
    DWORD lastErrno;
    if( winRetryIoerr(&nRetry, &lastErrno) ) continue;
    pFile->lastErrno = lastErrno;
    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_READ\n", pFile->h));
    return winLogError(SQLITE_IOERR_READ, pFile->lastErrno,
             "winRead", pFile->zPath);
  }
  winLogIoerr(nRetry);
  if( nRead<(DWORD)amt ){
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[nRead], 0, amt-nRead);
    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_SHORT_READ\n", pFile->h));
    return SQLITE_IOERR_SHORT_READ;







|







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         osGetLastError()!=ERROR_HANDLE_EOF ){
#endif
    DWORD lastErrno;
    if( winRetryIoerr(&nRetry, &lastErrno) ) continue;
    pFile->lastErrno = lastErrno;
    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_READ\n", pFile->h));
    return winLogError(SQLITE_IOERR_READ, pFile->lastErrno,
                       "winRead", pFile->zPath);
  }
  winLogIoerr(nRetry);
  if( nRead<(DWORD)amt ){
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[nRead], 0, amt-nRead);
    OSTRACE(("READ file=%p, rc=SQLITE_IOERR_SHORT_READ\n", pFile->h));
    return SQLITE_IOERR_SHORT_READ;
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    }
  }

  if( rc ){
    if(   ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
       || ( pFile->lastErrno==ERROR_DISK_FULL )){
      OSTRACE(("WRITE file=%p, rc=SQLITE_FULL\n", pFile->h));
      return SQLITE_FULL;

    }
    OSTRACE(("WRITE file=%p, rc=SQLITE_IOERR_WRITE\n", pFile->h));
    return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
             "winWrite", pFile->zPath);
  }else{
    winLogIoerr(nRetry);
  }
  OSTRACE(("WRITE file=%p, rc=SQLITE_OK\n", pFile->h));
  return SQLITE_OK;
}








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    }
  }

  if( rc ){
    if(   ( pFile->lastErrno==ERROR_HANDLE_DISK_FULL )
       || ( pFile->lastErrno==ERROR_DISK_FULL )){
      OSTRACE(("WRITE file=%p, rc=SQLITE_FULL\n", pFile->h));
      return winLogError(SQLITE_FULL, pFile->lastErrno,
                         "winWrite1", pFile->zPath);
    }
    OSTRACE(("WRITE file=%p, rc=SQLITE_IOERR_WRITE\n", pFile->h));
    return winLogError(SQLITE_IOERR_WRITE, pFile->lastErrno,
                       "winWrite2", pFile->zPath);
  }else{
    winLogIoerr(nRetry);
  }
  OSTRACE(("WRITE file=%p, rc=SQLITE_OK\n", pFile->h));
  return SQLITE_OK;
}

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  if( rc ){
    OSTRACE(("SYNC file=%p, rc=SQLITE_OK\n", pFile->h));
    return SQLITE_OK;
  }else{
    pFile->lastErrno = osGetLastError();
    OSTRACE(("SYNC file=%p, rc=SQLITE_IOERR_FSYNC\n", pFile->h));
    return winLogError(SQLITE_IOERR_FSYNC, pFile->lastErrno,
             "winSync", pFile->zPath);
  }
#endif
}

/*
** Determine the current size of a file in bytes
*/







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  if( rc ){
    OSTRACE(("SYNC file=%p, rc=SQLITE_OK\n", pFile->h));
    return SQLITE_OK;
  }else{
    pFile->lastErrno = osGetLastError();
    OSTRACE(("SYNC file=%p, rc=SQLITE_IOERR_FSYNC\n", pFile->h));
    return winLogError(SQLITE_IOERR_FSYNC, pFile->lastErrno,
                       "winSync", pFile->zPath);
  }
#endif
}

/*
** Determine the current size of a file in bytes
*/
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    lowerBits = osGetFileSize(pFile->h, &upperBits);
    *pSize = (((sqlite3_int64)upperBits)<<32) + lowerBits;
    if(   (lowerBits == INVALID_FILE_SIZE)
       && ((lastErrno = osGetLastError())!=NO_ERROR) ){
      pFile->lastErrno = lastErrno;
      rc = winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno,
             "winFileSize", pFile->zPath);
    }
  }
#endif
  OSTRACE(("SIZE file=%p, pSize=%p, *pSize=%lld, rc=%s\n",
           pFile->h, pSize, *pSize, sqlite3ErrName(rc)));
  return rc;
}







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    lowerBits = osGetFileSize(pFile->h, &upperBits);
    *pSize = (((sqlite3_int64)upperBits)<<32) + lowerBits;
    if(   (lowerBits == INVALID_FILE_SIZE)
       && ((lastErrno = osGetLastError())!=NO_ERROR) ){
      pFile->lastErrno = lastErrno;
      rc = winLogError(SQLITE_IOERR_FSTAT, pFile->lastErrno,
                       "winFileSize", pFile->zPath);
    }
  }
#endif
  OSTRACE(("SIZE file=%p, pSize=%p, *pSize=%lld, rc=%s\n",
           pFile->h, pSize, *pSize, sqlite3ErrName(rc)));
  return rc;
}
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  else{
    res = winUnlockFile(&pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
             "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
  return res;
}

/*
** Lock the file with the lock specified by parameter locktype - one







|







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  else{
    res = winUnlockFile(&pFile->h, SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
  return res;
}

/*
** Lock the file with the lock specified by parameter locktype - one
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  type = pFile->locktype;
  if( type>=EXCLUSIVE_LOCK ){
    winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
    if( locktype==SHARED_LOCK && !winGetReadLock(pFile) ){
      /* This should never happen.  We should always be able to
      ** reacquire the read lock */
      rc = winLogError(SQLITE_IOERR_UNLOCK, osGetLastError(),
               "winUnlock", pFile->zPath);
    }
  }
  if( type>=RESERVED_LOCK ){
    winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
  }
  if( locktype==NO_LOCK && type>=SHARED_LOCK ){
    winUnlockReadLock(pFile);







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  type = pFile->locktype;
  if( type>=EXCLUSIVE_LOCK ){
    winUnlockFile(&pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
    if( locktype==SHARED_LOCK && !winGetReadLock(pFile) ){
      /* This should never happen.  We should always be able to
      ** reacquire the read lock */
      rc = winLogError(SQLITE_IOERR_UNLOCK, osGetLastError(),
                       "winUnlock", pFile->zPath);
    }
  }
  if( type>=RESERVED_LOCK ){
    winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
  }
  if( locktype==NO_LOCK && type>=SHARED_LOCK ){
    winUnlockReadLock(pFile);
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    }
    case SQLITE_FCNTL_TEMPFILENAME: {
      char *zTFile = 0;
      int rc = winGetTempname(pFile->pVfs, &zTFile);
      if( rc==SQLITE_OK ){
        *(char**)pArg = zTFile;
      }
      OSTRACE(("FCNTL file=%p, rc=%d\n", pFile->h, rc));
      return rc;
    }
#if SQLITE_MAX_MMAP_SIZE>0
    case SQLITE_FCNTL_MMAP_SIZE: {
      i64 newLimit = *(i64*)pArg;
      int rc = SQLITE_OK;
      if( newLimit>sqlite3GlobalConfig.mxMmap ){
        newLimit = sqlite3GlobalConfig.mxMmap;
      }
      *(i64*)pArg = pFile->mmapSizeMax;
      if( newLimit>=0 && newLimit!=pFile->mmapSizeMax && pFile->nFetchOut==0 ){
        pFile->mmapSizeMax = newLimit;
        if( pFile->mmapSize>0 ){
          (void)winUnmapfile(pFile);
          rc = winMapfile(pFile, -1);
        }
      }
      OSTRACE(("FCNTL file=%p, rc=%d\n", pFile->h, rc));
      return rc;
    }
#endif
  }
  OSTRACE(("FCNTL file=%p, rc=SQLITE_NOTFOUND\n", pFile->h));
  return SQLITE_NOTFOUND;
}







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    }
    case SQLITE_FCNTL_TEMPFILENAME: {
      char *zTFile = 0;
      int rc = winGetTempname(pFile->pVfs, &zTFile);
      if( rc==SQLITE_OK ){
        *(char**)pArg = zTFile;
      }
      OSTRACE(("FCNTL file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
      return rc;
    }
#if SQLITE_MAX_MMAP_SIZE>0
    case SQLITE_FCNTL_MMAP_SIZE: {
      i64 newLimit = *(i64*)pArg;
      int rc = SQLITE_OK;
      if( newLimit>sqlite3GlobalConfig.mxMmap ){
        newLimit = sqlite3GlobalConfig.mxMmap;
      }
      *(i64*)pArg = pFile->mmapSizeMax;
      if( newLimit>=0 && newLimit!=pFile->mmapSizeMax && pFile->nFetchOut==0 ){
        pFile->mmapSizeMax = newLimit;
        if( pFile->mmapSize>0 ){
          (void)winUnmapfile(pFile);
          rc = winMapfile(pFile, -1);
        }
      }
      OSTRACE(("FCNTL file=%p, rc=%s\n", pFile->h, sqlite3ErrName(rc)));
      return rc;
    }
#endif
  }
  OSTRACE(("FCNTL file=%p, rc=SQLITE_NOTFOUND\n", pFile->h));
  return SQLITE_NOTFOUND;
}
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    /* Check to see if another process is holding the dead-man switch.
    ** If not, truncate the file to zero length. 
    */
    if( winShmSystemLock(pShmNode, _SHM_WRLCK, WIN_SHM_DMS, 1)==SQLITE_OK ){
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, 0);
      if( rc!=SQLITE_OK ){
        rc = winLogError(SQLITE_IOERR_SHMOPEN, osGetLastError(),
                 "winOpenShm", pDbFd->zPath);
      }
    }
    if( rc==SQLITE_OK ){
      winShmSystemLock(pShmNode, _SHM_UNLCK, WIN_SHM_DMS, 1);
      rc = winShmSystemLock(pShmNode, _SHM_RDLCK, WIN_SHM_DMS, 1);
    }
    if( rc ) goto shm_open_err;







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    /* Check to see if another process is holding the dead-man switch.
    ** If not, truncate the file to zero length. 
    */
    if( winShmSystemLock(pShmNode, _SHM_WRLCK, WIN_SHM_DMS, 1)==SQLITE_OK ){
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, 0);
      if( rc!=SQLITE_OK ){
        rc = winLogError(SQLITE_IOERR_SHMOPEN, osGetLastError(),
                         "winOpenShm", pDbFd->zPath);
      }
    }
    if( rc==SQLITE_OK ){
      winShmSystemLock(pShmNode, _SHM_UNLCK, WIN_SHM_DMS, 1);
      rc = winShmSystemLock(pShmNode, _SHM_RDLCK, WIN_SHM_DMS, 1);
    }
    if( rc ) goto shm_open_err;
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    /* The requested region is not mapped into this processes address space.
    ** Check to see if it has been allocated (i.e. if the wal-index file is
    ** large enough to contain the requested region).
    */
    rc = winFileSize((sqlite3_file *)&pShmNode->hFile, &sz);
    if( rc!=SQLITE_OK ){
      rc = winLogError(SQLITE_IOERR_SHMSIZE, osGetLastError(),
               "winShmMap1", pDbFd->zPath);
      goto shmpage_out;
    }

    if( sz<nByte ){
      /* The requested memory region does not exist. If isWrite is set to
      ** zero, exit early. *pp will be set to NULL and SQLITE_OK returned.
      **
      ** Alternatively, if isWrite is non-zero, use ftruncate() to allocate
      ** the requested memory region.
      */
      if( !isWrite ) goto shmpage_out;
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, nByte);
      if( rc!=SQLITE_OK ){
        rc = winLogError(SQLITE_IOERR_SHMSIZE, osGetLastError(),
                 "winShmMap2", pDbFd->zPath);
        goto shmpage_out;
      }
    }

    /* Map the requested memory region into this processes address space. */
    apNew = (struct ShmRegion *)sqlite3_realloc(
        pShmNode->aRegion, (iRegion+1)*sizeof(apNew[0])







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    /* The requested region is not mapped into this processes address space.
    ** Check to see if it has been allocated (i.e. if the wal-index file is
    ** large enough to contain the requested region).
    */
    rc = winFileSize((sqlite3_file *)&pShmNode->hFile, &sz);
    if( rc!=SQLITE_OK ){
      rc = winLogError(SQLITE_IOERR_SHMSIZE, osGetLastError(),
                       "winShmMap1", pDbFd->zPath);
      goto shmpage_out;
    }

    if( sz<nByte ){
      /* The requested memory region does not exist. If isWrite is set to
      ** zero, exit early. *pp will be set to NULL and SQLITE_OK returned.
      **
      ** Alternatively, if isWrite is non-zero, use ftruncate() to allocate
      ** the requested memory region.
      */
      if( !isWrite ) goto shmpage_out;
      rc = winTruncate((sqlite3_file *)&pShmNode->hFile, nByte);
      if( rc!=SQLITE_OK ){
        rc = winLogError(SQLITE_IOERR_SHMSIZE, osGetLastError(),
                         "winShmMap2", pDbFd->zPath);
        goto shmpage_out;
      }
    }

    /* Map the requested memory region into this processes address space. */
    apNew = (struct ShmRegion *)sqlite3_realloc(
        pShmNode->aRegion, (iRegion+1)*sizeof(apNew[0])
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
        OSTRACE(("SHM-MAP-MAP pid=%lu, region=%d, offset=%d, size=%d, rc=%s\n",
                 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);
        goto shmpage_out;
      }

      pShmNode->aRegion[pShmNode->nRegion].pMap = pMap;
      pShmNode->aRegion[pShmNode->nRegion].hMap = hMap;
      pShmNode->nRegion++;







|







3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
        OSTRACE(("SHM-MAP-MAP pid=%lu, region=%d, offset=%d, size=%d, rc=%s\n",
                 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);
        goto shmpage_out;
      }

      pShmNode->aRegion[pShmNode->nRegion].pMap = pMap;
      pShmNode->aRegion[pShmNode->nRegion].hMap = hMap;
      pShmNode->nRegion++;
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
  if( pFile->pMapRegion ){
    if( !osUnmapViewOfFile(pFile->pMapRegion) ){
      pFile->lastErrno = osGetLastError();
      OSTRACE(("UNMAP-FILE pid=%lu, pFile=%p, pMapRegion=%p, "
               "rc=SQLITE_IOERR_MMAP\n", 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=%lu, pFile=%p, hMap=%p, rc=SQLITE_IOERR_MMAP\n",
               osGetCurrentProcessId(), pFile, pFile->hMap));
      return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
                         "winUnmap2", pFile->zPath);
    }
    pFile->hMap = NULL;
  }
  OSTRACE(("UNMAP-FILE pid=%lu, pFile=%p, rc=SQLITE_OK\n",
           osGetCurrentProcessId(), pFile));
  return SQLITE_OK;
}







|











|







3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
  if( pFile->pMapRegion ){
    if( !osUnmapViewOfFile(pFile->pMapRegion) ){
      pFile->lastErrno = osGetLastError();
      OSTRACE(("UNMAP-FILE pid=%lu, pFile=%p, pMapRegion=%p, "
               "rc=SQLITE_IOERR_MMAP\n", osGetCurrentProcessId(), pFile,
               pFile->pMapRegion));
      return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
                         "winUnmapfile1", 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=%lu, pFile=%p, hMap=%p, rc=SQLITE_IOERR_MMAP\n",
               osGetCurrentProcessId(), pFile, pFile->hMap));
      return winLogError(SQLITE_IOERR_MMAP, pFile->lastErrno,
                         "winUnmapfile2", pFile->zPath);
    }
    pFile->hMap = NULL;
  }
  OSTRACE(("UNMAP-FILE pid=%lu, pFile=%p, rc=SQLITE_OK\n",
           osGetCurrentProcessId(), pFile));
  return SQLITE_OK;
}
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771

3772
3773
3774
3775
3776
3777
3778
3779
3780
    pFd->hMap = osCreateFileMappingA(pFd->h, NULL, protect,
                                (DWORD)((nMap>>32) & 0xffffffff),
                                (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=%lu, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
               osGetCurrentProcessId(), pFd));
      return SQLITE_OK;
    }
    assert( (nMap % winSysInfo.dwPageSize)==0 );
    assert( sizeof(SIZE_T)==sizeof(sqlite3_int64) || nMap<=0xffffffff );
#if SQLITE_OS_WINRT
    pNew = osMapViewOfFileFromApp(pFd->hMap, flags, 0, (SIZE_T)nMap);
#else
    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=%lu, pFile=%p, rc=SQLITE_IOERR_MMAP\n",
               osGetCurrentProcessId(), pFd));
      return SQLITE_OK;
    }
    pFd->pMapRegion = pNew;
    pFd->mmapSize = nMap;
    pFd->mmapSizeActual = nMap;
  }








|

|
|













|
|
>
|
|







3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
    pFd->hMap = osCreateFileMappingA(pFd->h, NULL, protect,
                                (DWORD)((nMap>>32) & 0xffffffff),
                                (DWORD)(nMap & 0xffffffff), NULL);
#endif
    if( pFd->hMap==NULL ){
      pFd->lastErrno = osGetLastError();
      rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                       "winMapfile1", pFd->zPath);
      /* Log the error, but continue normal operation using xRead/xWrite */
      OSTRACE(("MAP-FILE-CREATE pid=%lu, pFile=%p, rc=%s\n",
               osGetCurrentProcessId(), pFd, sqlite3ErrName(rc)));
      return SQLITE_OK;
    }
    assert( (nMap % winSysInfo.dwPageSize)==0 );
    assert( sizeof(SIZE_T)==sizeof(sqlite3_int64) || nMap<=0xffffffff );
#if SQLITE_OS_WINRT
    pNew = osMapViewOfFileFromApp(pFd->hMap, flags, 0, (SIZE_T)nMap);
#else
    pNew = osMapViewOfFile(pFd->hMap, flags, 0, 0, (SIZE_T)nMap);
#endif
    if( pNew==NULL ){
      osCloseHandle(pFd->hMap);
      pFd->hMap = NULL;
      pFd->lastErrno = osGetLastError();
      rc = winLogError(SQLITE_IOERR_MMAP, pFd->lastErrno,
                       "winMapfile2", pFd->zPath);
      /* Log the error, but continue normal operation using xRead/xWrite */
      OSTRACE(("MAP-FILE-MAP pid=%lu, pFile=%p, rc=%s\n",
               osGetCurrentProcessId(), pFd, sqlite3ErrName(rc)));
      return SQLITE_OK;
    }
    pFd->pMapRegion = pNew;
    pFd->mmapSize = nMap;
    pFd->mmapSizeActual = nMap;
  }

4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056

4057
4058
4059
4060
4061
4062
4063
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
          return SQLITE_IOERR_NOMEM;
        }
        if( cygwin_conv_path(
                osIsNT() ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_A, zDir,
                zConverted, nBuf+1)<0 ){
          sqlite3_free(zConverted);
          winLogError(SQLITE_IOERR_CONVPATH, (DWORD)errno,
                      "cygwin_conv_path", zDir);
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_CONVPATH\n"));
          return SQLITE_IOERR_CONVPATH;

        }
        if( winIsDir(zConverted) ){
          /* At this point, we know the candidate directory exists and should
          ** be used.  However, we may need to convert the string containing
          ** its name into UTF-8 (i.e. if it is UTF-16 right now).
          */
          if( osIsNT() ){







<
<

|
>







4047
4048
4049
4050
4051
4052
4053


4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
          return SQLITE_IOERR_NOMEM;
        }
        if( cygwin_conv_path(
                osIsNT() ? CCP_POSIX_TO_WIN_W : CCP_POSIX_TO_WIN_A, zDir,
                zConverted, nBuf+1)<0 ){
          sqlite3_free(zConverted);


          OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_CONVPATH\n"));
          return winLogError(SQLITE_IOERR_CONVPATH, (DWORD)errno,
                             "winGetTempname1", zDir);
        }
        if( winIsDir(zConverted) ){
          /* At this point, we know the candidate directory exists and should
          ** be used.  However, we may need to convert the string containing
          ** its name into UTF-8 (i.e. if it is UTF-16 right now).
          */
          if( osIsNT() ){
4090
4091
4092
4093
4094
4095
4096

4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
    if( osGetTempPathW(nBuf, zWidePath)==0 ){
      sqlite3_free(zWidePath);
      sqlite3_free(zBuf);

      winLogError(SQLITE_IOERR_GETTEMPPATH, osGetLastError(),
                  "winGetTempname", 0);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));
      return SQLITE_IOERR_GETTEMPPATH;
    }
    zMulti = winUnicodeToUtf8(zWidePath);
    if( zMulti ){
      sqlite3_snprintf(nBuf-30, zBuf, "%s", zMulti);
      sqlite3_free(zMulti);
      sqlite3_free(zWidePath);
    }else{







>
|
|
<
<







4090
4091
4092
4093
4094
4095
4096
4097
4098
4099


4100
4101
4102
4103
4104
4105
4106
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
    if( osGetTempPathW(nBuf, zWidePath)==0 ){
      sqlite3_free(zWidePath);
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));
      return winLogError(SQLITE_IOERR_GETTEMPPATH, osGetLastError(),
                         "winGetTempname1", 0);


    }
    zMulti = winUnicodeToUtf8(zWidePath);
    if( zMulti ){
      sqlite3_snprintf(nBuf-30, zBuf, "%s", zMulti);
      sqlite3_free(zMulti);
      sqlite3_free(zWidePath);
    }else{
4118
4119
4120
4121
4122
4123
4124

4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
    if( !zMbcsPath ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
    if( osGetTempPathA(nBuf, zMbcsPath)==0 ){
      sqlite3_free(zBuf);

      winLogError(SQLITE_IOERR_GETTEMPPATH, osGetLastError(),
                  "winGetTempname", 0);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));
      return SQLITE_IOERR_GETTEMPPATH;
    }
    zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath);
    if( zUtf8 ){
      sqlite3_snprintf(nBuf-30, zBuf, "%s", zUtf8);
      sqlite3_free(zUtf8);
    }else{
      sqlite3_free(zBuf);







>
|
|
<
<







4117
4118
4119
4120
4121
4122
4123
4124
4125
4126


4127
4128
4129
4130
4131
4132
4133
    if( !zMbcsPath ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_NOMEM\n"));
      return SQLITE_IOERR_NOMEM;
    }
    if( osGetTempPathA(nBuf, zMbcsPath)==0 ){
      sqlite3_free(zBuf);
      OSTRACE(("TEMP-FILENAME rc=SQLITE_IOERR_GETTEMPPATH\n"));
      return winLogError(SQLITE_IOERR_GETTEMPPATH, osGetLastError(),
                         "winGetTempname2", 0);


    }
    zUtf8 = sqlite3_win32_mbcs_to_utf8(zMbcsPath);
    if( zUtf8 ){
      sqlite3_snprintf(nBuf-30, zBuf, "%s", zUtf8);
      sqlite3_free(zUtf8);
    }else{
      sqlite3_free(zBuf);
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
  ** name. If it is not, return SQLITE_ERROR.
  */
  nLen = sqlite3Strlen30(zBuf);

  if( (nLen + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 18) >= nBuf ){
    sqlite3_free(zBuf);
    OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n"));
    return SQLITE_ERROR;
  }

  sqlite3_snprintf(nBuf-18-nLen, zBuf+nLen, SQLITE_TEMP_FILE_PREFIX);

  j = sqlite3Strlen30(zBuf);
  sqlite3_randomness(15, &zBuf[j]);
  for(i=0; i<15; i++, j++){







|







4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
  ** name. If it is not, return SQLITE_ERROR.
  */
  nLen = sqlite3Strlen30(zBuf);

  if( (nLen + sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX) + 18) >= nBuf ){
    sqlite3_free(zBuf);
    OSTRACE(("TEMP-FILENAME rc=SQLITE_ERROR\n"));
    return winLogError(SQLITE_ERROR, 0, "winGetTempname3", 0);
  }

  sqlite3_snprintf(nBuf-18-nLen, zBuf+nLen, SQLITE_TEMP_FILE_PREFIX);

  j = sqlite3Strlen30(zBuf);
  sqlite3_randomness(15, &zBuf[j]);
  for(i=0; i<15; i++, j++){
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
        rc = SQLITE_ERROR; /* No more retries. */
        break;
      }
    } while(1);
  }
#endif
  if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
    rc = winLogError(SQLITE_IOERR_DELETE, lastErrno,
             "winDelete", zFilename);
  }else{
    winLogIoerr(cnt);
  }
  sqlite3_free(zConverted);
  OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
  return rc;
}







|
<







4579
4580
4581
4582
4583
4584
4585
4586

4587
4588
4589
4590
4591
4592
4593
        rc = SQLITE_ERROR; /* No more retries. */
        break;
      }
    } while(1);
  }
#endif
  if( rc && rc!=SQLITE_IOERR_DELETE_NOENT ){
    rc = winLogError(SQLITE_IOERR_DELETE, lastErrno, "winDelete", zFilename);

  }else{
    winLogIoerr(cnt);
  }
  sqlite3_free(zConverted);
  OSTRACE(("DELETE name=%s, rc=%s\n", zFilename, sqlite3ErrName(rc)));
  return rc;
}
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645

4646
4647
4648
4649
4650
4651
4652
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{
      winLogIoerr(cnt);
      if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
        winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess", zFilename);
        sqlite3_free(zConverted);
        return SQLITE_IOERR_ACCESS;

      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
    }
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{







<

|
>







4633
4634
4635
4636
4637
4638
4639

4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{
      winLogIoerr(cnt);
      if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){

        sqlite3_free(zConverted);
        return winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess",
                           zFilename);
      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
    }
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755

4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
    ** NOTE: We are dealing with a relative path name and the data
    **       directory has been set.  Therefore, use it as the basis
    **       for converting the relative path name to an absolute
    **       one by prepending the data directory and a slash.
    */
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){
      winLogError(SQLITE_IOERR_NOMEM, 0, "winFullPathname", zRelative);
      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_A|CCP_RELATIVE, zRelative, zOut,
                         pVfs->mxPathname+1)<0 ){
      winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno, "winFullPathname",
                  zRelative);
      sqlite3_free(zOut);
      return SQLITE_CANTOPEN_CONVPATH;

    }
    sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s%s%s",
                     sqlite3_data_directory, winGetDirDep(), zOut);
    sqlite3_free(zOut);
  }else{
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_A, zRelative, zFull, nFull)<0 ){
      winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno, "winFullPathname",
                  zRelative);
      return SQLITE_CANTOPEN_CONVPATH;
    }
  }
  return SQLITE_OK;
#endif

#if (SQLITE_OS_WINCE || SQLITE_OS_WINRT) && !defined(__CYGWIN__)
  SimulateIOError( return SQLITE_ERROR );







<




<
<

|
>






|
|
<







4737
4738
4739
4740
4741
4742
4743

4744
4745
4746
4747


4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758

4759
4760
4761
4762
4763
4764
4765
    ** NOTE: We are dealing with a relative path name and the data
    **       directory has been set.  Therefore, use it as the basis
    **       for converting the relative path name to an absolute
    **       one by prepending the data directory and a slash.
    */
    char *zOut = sqlite3MallocZero( pVfs->mxPathname+1 );
    if( !zOut ){

      return SQLITE_IOERR_NOMEM;
    }
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_A|CCP_RELATIVE, zRelative, zOut,
                         pVfs->mxPathname+1)<0 ){


      sqlite3_free(zOut);
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname1", zRelative);
    }
    sqlite3_snprintf(MIN(nFull, pVfs->mxPathname), zFull, "%s%s%s",
                     sqlite3_data_directory, winGetDirDep(), zOut);
    sqlite3_free(zOut);
  }else{
    if( cygwin_conv_path(CCP_POSIX_TO_WIN_A, zRelative, zFull, nFull)<0 ){
      return winLogError(SQLITE_CANTOPEN_CONVPATH, (DWORD)errno,
                         "winFullPathname2", zRelative);

    }
  }
  return SQLITE_OK;
#endif

#if (SQLITE_OS_WINCE || SQLITE_OS_WINRT) && !defined(__CYGWIN__)
  SimulateIOError( return SQLITE_ERROR );
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
  DWORD nByte;
  void *zConverted;
  char *zOut;

  /* If this path name begins with "/X:", where "X" is any alphabetic
  ** character, discard the initial "/" from the pathname.
  */
  if( zRelative[0]=='/' && sqlite3Isalpha(zRelative[1]) && zRelative[2]==':' ){
    zRelative++;
  }

  /* It's odd to simulate an io-error here, but really this is just
  ** using the io-error infrastructure to test that SQLite handles this
  ** function failing. This function could fail if, for example, the
  ** current working directory has been unlinked.







|







4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
  DWORD nByte;
  void *zConverted;
  char *zOut;

  /* If this path name begins with "/X:", where "X" is any alphabetic
  ** character, discard the initial "/" from the pathname.
  */
  if( zRelative[0]=='/' && winIsDriveLetterAndColon(zRelative+1) ){
    zRelative++;
  }

  /* It's odd to simulate an io-error here, but really this is just
  ** using the io-error infrastructure to test that SQLite handles this
  ** function failing. This function could fail if, for example, the
  ** current working directory has been unlinked.
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  if( zConverted==0 ){
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    LPWSTR zTemp;
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, 0, 0, 0);
    if( nByte==0 ){
      winLogError(SQLITE_ERROR, osGetLastError(),
                  "GetFullPathNameW1", zConverted);
      sqlite3_free(zConverted);
      return SQLITE_CANTOPEN_FULLPATH;

    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){
      winLogError(SQLITE_ERROR, osGetLastError(),
                  "GetFullPathNameW2", zConverted);
      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return SQLITE_CANTOPEN_FULLPATH;

    }
    sqlite3_free(zConverted);
    zOut = winUnicodeToUtf8(zTemp);
    sqlite3_free(zTemp);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    char *zTemp;
    nByte = osGetFullPathNameA((char*)zConverted, 0, 0, 0);
    if( nByte==0 ){
      winLogError(SQLITE_ERROR, osGetLastError(),
                  "GetFullPathNameA1", zConverted);
      sqlite3_free(zConverted);
      return SQLITE_CANTOPEN_FULLPATH;

    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameA((char*)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){
      winLogError(SQLITE_ERROR, osGetLastError(),
                  "GetFullPathNameA2", zConverted);
      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return SQLITE_CANTOPEN_FULLPATH;

    }
    sqlite3_free(zConverted);
    zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
    sqlite3_free(zTemp);
  }
#endif
  if( zOut ){







<
<

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<
<


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<
<

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<
<


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  if( zConverted==0 ){
    return SQLITE_IOERR_NOMEM;
  }
  if( osIsNT() ){
    LPWSTR zTemp;
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, 0, 0, 0);
    if( nByte==0 ){


      sqlite3_free(zConverted);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname1", zRelative);
    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameW((LPCWSTR)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){


      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname2", zRelative);
    }
    sqlite3_free(zConverted);
    zOut = winUnicodeToUtf8(zTemp);
    sqlite3_free(zTemp);
  }
#ifdef SQLITE_WIN32_HAS_ANSI
  else{
    char *zTemp;
    nByte = osGetFullPathNameA((char*)zConverted, 0, 0, 0);
    if( nByte==0 ){


      sqlite3_free(zConverted);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname3", zRelative);
    }
    nByte += 3;
    zTemp = sqlite3MallocZero( nByte*sizeof(zTemp[0]) );
    if( zTemp==0 ){
      sqlite3_free(zConverted);
      return SQLITE_IOERR_NOMEM;
    }
    nByte = osGetFullPathNameA((char*)zConverted, nByte, zTemp, 0);
    if( nByte==0 ){


      sqlite3_free(zConverted);
      sqlite3_free(zTemp);
      return winLogError(SQLITE_CANTOPEN_FULLPATH, osGetLastError(),
                         "winFullPathname4", zRelative);
    }
    sqlite3_free(zConverted);
    zOut = sqlite3_win32_mbcs_to_utf8(zTemp);
    sqlite3_free(zTemp);
  }
#endif
  if( zOut ){