SQLite

Check-in [bb40338887]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Tweaks to the way multiplexSubOpen() works, for backwards compatibility.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | nx-devkit
Files: files | file ages | folders
SHA1: bb40338887c912be70cb6fe3b760d87c14bb88a5
User & Date: drh 2011-12-16 05:50:39.331
Context
2011-12-21
23:38
Cherry-pick the SQLITE_DIRECT_OVERFLOW_READ fix for ticket [ac0ff496b7e] of changes [c5256b59ad] and [c723e3e18a] into the nx-devkit branch. (check-in: 42f31f190a user: drh tags: nx-devkit)
2011-12-16
13:42
Merge the nx-devkit changes into trunk. (check-in: cf3bccc2e9 user: drh tags: trunk)
05:50
Tweaks to the way multiplexSubOpen() works, for backwards compatibility. (check-in: bb40338887 user: drh tags: nx-devkit)
05:09
Fix a potential infinite loop (inserted by the previous check-in) on the multiplexWrite() method of the multiplexor. (check-in: 022bf427c2 user: drh tags: nx-devkit)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/test_multiplex.c.
302
303
304
305
306
307
308
309
310
311
312


313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
    return 0;
  }
#endif

  *rc = multiplexSubFilename(pGroup, iChunk);
  if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){
    int flags, bExists;
    if( iChunk==0 ) createFlag = (pGroup->flags & SQLITE_OPEN_CREATE)!=0;
    flags = pGroup->flags;
    if( createFlag ){
      flags |= SQLITE_OPEN_CREATE;


    }else if( pGroup->aReal[iChunk].z==0 ){
      return 0;
    }else{
      *rc = pOrigVfs->xAccess(pOrigVfs, pGroup->aReal[iChunk].z,
                              SQLITE_ACCESS_EXISTS, &bExists);
      if( *rc || !bExists ) return 0;
      flags &= ~SQLITE_OPEN_CREATE;
    }
    pSubOpen = sqlite3_malloc( pOrigVfs->szOsFile );
    if( pSubOpen==0 ){
      *rc = SQLITE_NOMEM;
      return 0;
    }
    pGroup->aReal[iChunk].p = pSubOpen;
    *rc = pOrigVfs->xOpen(pOrigVfs, pGroup->aReal[iChunk].z, pSubOpen,
                          flags, pOutFlags);
    if( (*rc)!=SQLITE_OK ){
      sqlite3_free(pSubOpen);







|



>
>










|







302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
    return 0;
  }
#endif

  *rc = multiplexSubFilename(pGroup, iChunk);
  if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){
    int flags, bExists;
    createFlag = (pGroup->flags & SQLITE_OPEN_CREATE)!=0;
    flags = pGroup->flags;
    if( createFlag ){
      flags |= SQLITE_OPEN_CREATE;
    }else if( iChunk==0 ){
      /* Fall through */
    }else if( pGroup->aReal[iChunk].z==0 ){
      return 0;
    }else{
      *rc = pOrigVfs->xAccess(pOrigVfs, pGroup->aReal[iChunk].z,
                              SQLITE_ACCESS_EXISTS, &bExists);
      if( *rc || !bExists ) return 0;
      flags &= ~SQLITE_OPEN_CREATE;
    }
    pSubOpen = sqlite3_malloc( pOrigVfs->szOsFile );
    if( pSubOpen==0 ){
      *rc = SQLITE_IOERR_NOMEM;
      return 0;
    }
    pGroup->aReal[iChunk].p = pSubOpen;
    *rc = pOrigVfs->xOpen(pOrigVfs, pGroup->aReal[iChunk].z, pSubOpen,
                          flags, pOutFlags);
    if( (*rc)!=SQLITE_OK ){
      sqlite3_free(pSubOpen);