223   int iChunk,                     /* Chunk to generate filename for */  in multiplexFilename()  argument
228   if( iChunk!=0 && iChunk<=MX_CHUNK_NUMBER ){  in multiplexFilename()
238       iChunk += SQLITE_MULTIPLEX_JOURNAL_8_3_OFFSET;  in multiplexFilename()
243       iChunk += SQLITE_MULTIPLEX_WAL_8_3_OFFSET;  in multiplexFilename()
246     sqlite3_snprintf(4,&zOut[n],"%03d",iChunk);  in multiplexFilename()
256 static int multiplexSubFilename(multiplexGroup *pGroup, int iChunk){  in multiplexSubFilename()  argument
257   if( iChunk>=pGroup->nReal ){  in multiplexSubFilename()
259     p = sqlite3_realloc64(pGroup->aReal, (iChunk+1)*sizeof(*p));  in multiplexSubFilename()
263     memset(&p[pGroup->nReal], 0, sizeof(p[0])*(iChunk+1-pGroup->nReal));  in multiplexSubFilename()
265     pGroup->nReal = iChunk+1;  in multiplexSubFilename()
267   if( pGroup->zName && pGroup->aReal[iChunk].z==0 ){  in multiplexSubFilename()
274     multiplexFilename(pGroup->zName, pGroup->nName, pGroup->flags, iChunk, z);  in multiplexSubFilename()
275     pGroup->aReal[iChunk].z = (char*)sqlite3_create_filename(z,"","",0,0);  in multiplexSubFilename()
277     if( pGroup->aReal[iChunk].z==0 ) return SQLITE_NOMEM;  in multiplexSubFilename()
291   int iChunk,                /* Which chunk to open.  0==original file */  in multiplexSubOpen()  argument
304   if( iChunk>=SQLITE_MULTIPLEX_JOURNAL_8_3_OFFSET ){  in multiplexSubOpen()
311   *rc = multiplexSubFilename(pGroup, iChunk);  in multiplexSubOpen()
312   if( (*rc)==SQLITE_OK && (pSubOpen = pGroup->aReal[iChunk].p)==0 ){  in multiplexSubOpen()
317     }else if( iChunk==0 ){  in multiplexSubOpen()
319     }else if( pGroup->aReal[iChunk].z==0 ){  in multiplexSubOpen()
322       *rc = pOrigVfs->xAccess(pOrigVfs, pGroup->aReal[iChunk].z,  in multiplexSubOpen()
327                       pGroup->aReal[iChunk].z);  in multiplexSubOpen()
338     pGroup->aReal[iChunk].p = pSubOpen;  in multiplexSubOpen()
339     *rc = pOrigVfs->xOpen(pOrigVfs, pGroup->aReal[iChunk].z, pSubOpen,  in multiplexSubOpen()
343                   pGroup->aReal[iChunk].z);  in multiplexSubOpen()
345       pGroup->aReal[iChunk].p = 0;  in multiplexSubOpen()
359   int iChunk,                /* Which chunk to open.  0==original file */  in multiplexSubSize()  argument
366   pSub = multiplexSubOpen(pGroup, iChunk, rc, NULL, 0);  in multiplexSubSize()
433   int iChunk,  in multiplexSubClose()  argument
436   sqlite3_file *pSubOpen = pGroup->aReal[iChunk].p;  in multiplexSubClose()
439     if( pOrigVfs && pGroup->aReal[iChunk].z ){  in multiplexSubClose()
440       pOrigVfs->xDelete(pOrigVfs, pGroup->aReal[iChunk].z, 0);  in multiplexSubClose()
442     sqlite3_free(pGroup->aReal[iChunk].p);  in multiplexSubClose()
444   sqlite3_free_filename(pGroup->aReal[iChunk].z);  in multiplexSubClose()
445   memset(&pGroup->aReal[iChunk], 0, sizeof(pGroup->aReal[iChunk]));  in multiplexSubClose()
556             int iChunk = 1;  in multiplexOpen()  local
559                   pGroup->aReal[iChunk].z, SQLITE_ACCESS_EXISTS, &bExists  in multiplexOpen()
562                 rc = pOrigVfs->xDelete(pOrigVfs, pGroup->aReal[iChunk].z, 0);  in multiplexOpen()
564                   rc = multiplexSubFilename(pGroup, ++iChunk);  in multiplexOpen()
629       int iChunk = 0;  in multiplexDelete()  local
632         multiplexFilename(zName, nName, SQLITE_OPEN_MAIN_JOURNAL, ++iChunk, z);  in multiplexDelete()
635       while( rc==SQLITE_OK && iChunk>1 ){  in multiplexDelete()
636         multiplexFilename(zName, nName, SQLITE_OPEN_MAIN_JOURNAL, --iChunk, z);  in multiplexDelete()
640         iChunk = 0;  in multiplexDelete()
642           multiplexFilename(zName, nName, SQLITE_OPEN_WAL, ++iChunk, z);  in multiplexDelete()
645         while( rc==SQLITE_OK && iChunk>1 ){  in multiplexDelete()
646           multiplexFilename(zName, nName, SQLITE_OPEN_WAL, --iChunk, z);  in multiplexDelete()