440   ZipfileCsr *pCsr;  in zipfileOpen()  local
441   pCsr = sqlite3_malloc(sizeof(*pCsr));  in zipfileOpen()
442   *ppCsr = (sqlite3_vtab_cursor*)pCsr;  in zipfileOpen()
443   if( pCsr==0 ){  in zipfileOpen()
446   memset(pCsr, 0, sizeof(*pCsr));  in zipfileOpen()
447   pCsr->iId = ++pTab->iNextCsrid;  in zipfileOpen()
448   pCsr->pCsrNext = pTab->pCsrList;  in zipfileOpen()
449   pTab->pCsrList = pCsr;  in zipfileOpen()
457 static void zipfileResetCursor(ZipfileCsr *pCsr){  in zipfileResetCursor()  argument
461   pCsr->bEof = 0;  in zipfileResetCursor()
462   if( pCsr->pFile ){  in zipfileResetCursor()
463     fclose(pCsr->pFile);  in zipfileResetCursor()
464     pCsr->pFile = 0;  in zipfileResetCursor()
465     zipfileEntryFree(pCsr->pCurrent);  in zipfileResetCursor()
466     pCsr->pCurrent = 0;  in zipfileResetCursor()
469   for(p=pCsr->pFreeEntry; p; p=pNext){  in zipfileResetCursor()
479   ZipfileCsr *pCsr = (ZipfileCsr*)cur;  in zipfileClose()  local
480   ZipfileTab *pTab = (ZipfileTab*)(pCsr->base.pVtab);  in zipfileClose()
482   zipfileResetCursor(pCsr);  in zipfileClose()
485   for(pp=&pTab->pCsrList; *pp!=pCsr; pp=&((*pp)->pCsrNext));  in zipfileClose()
486   *pp = pCsr->pCsrNext;  in zipfileClose()
488   sqlite3_free(pCsr);  in zipfileClose()
503 static void zipfileCursorErr(ZipfileCsr *pCsr, const char *zFmt, ...){  in zipfileCursorErr()  argument
506   sqlite3_free(pCsr->base.pVtab->zErrMsg);  in zipfileCursorErr()
507   pCsr->base.pVtab->zErrMsg = sqlite3_vmprintf(zFmt, ap);  in zipfileCursorErr()
899   ZipfileCsr *pCsr = (ZipfileCsr*)cur;  in zipfileNext()  local
902   if( pCsr->pFile ){  in zipfileNext()
903     i64 iEof = pCsr->eocd.iOffset + pCsr->eocd.nSize;  in zipfileNext()
904     zipfileEntryFree(pCsr->pCurrent);  in zipfileNext()
905     pCsr->pCurrent = 0;  in zipfileNext()
906     if( pCsr->iNextOff>=iEof ){  in zipfileNext()
907       pCsr->bEof = 1;  in zipfileNext()
911       rc = zipfileGetEntry(pTab, 0, 0, pCsr->pFile, pCsr->iNextOff, &p);  in zipfileNext()
913         pCsr->iNextOff += ZIPFILE_CDS_FIXED_SZ;  in zipfileNext()
914         pCsr->iNextOff += (int)p->cds.nExtra + p->cds.nFile + p->cds.nComment;  in zipfileNext()
916       pCsr->pCurrent = p;  in zipfileNext()
919     if( !pCsr->bNoop ){  in zipfileNext()
920       pCsr->pCurrent = pCsr->pCurrent->pNext;  in zipfileNext()
922     if( pCsr->pCurrent==0 ){  in zipfileNext()
923       pCsr->bEof = 1;  in zipfileNext()
927   pCsr->bNoop = 0;  in zipfileNext()
1038   ZipfileCsr *pCsr = (ZipfileCsr*)cur;  in zipfileColumn()  local
1039   ZipfileCDS *pCDS = &pCsr->pCurrent->cds;  in zipfileColumn()
1051       sqlite3_result_int64(ctx, pCsr->pCurrent->mUnixTime);  in zipfileColumn()
1069           if( pCsr->pCurrent->aData ){  in zipfileColumn()
1070             aBuf = pCsr->pCurrent->aData;  in zipfileColumn()
1076               FILE *pFile = pCsr->pFile;  in zipfileColumn()
1078                 pFile = ((ZipfileTab*)(pCsr->base.pVtab))->pWriteFd;  in zipfileColumn()
1080               rc = zipfileReadData(pFile, aBuf, sz, pCsr->pCurrent->iDataOff,  in zipfileColumn()
1081                   &pCsr->base.pVtab->zErrMsg  in zipfileColumn()
1110       sqlite3_result_int64(ctx, pCsr->iId);  in zipfileColumn()
1121   ZipfileCsr *pCsr = (ZipfileCsr*)cur;  in zipfileEof()  local
1122   return pCsr->bEof;  in zipfileEof()
1252   ZipfileCsr *pCsr = (ZipfileCsr*)cur;  in zipfileFilter()  local
1257   zipfileResetCursor(pCsr);  in zipfileFilter()
1262     zipfileCursorErr(pCsr, "zipfile() function requires an argument");  in zipfileFilter()
1274     pCsr->pFreeEntry = pTab->pFirstEntry;  in zipfileFilter()
1283     pCsr->pFile = fopen(zFile, "rb");  in zipfileFilter()
1284     if( pCsr->pFile==0 ){  in zipfileFilter()
1285       zipfileCursorErr(pCsr, "cannot open file: %s", zFile);  in zipfileFilter()
1288       rc = zipfileReadEOCD(pTab, 0, 0, pCsr->pFile, &pCsr->eocd);  in zipfileFilter()
1290         if( pCsr->eocd.nEntry==0 ){  in zipfileFilter()
1291           pCsr->bEof = 1;  in zipfileFilter()
1293           pCsr->iNextOff = pCsr->eocd.iOffset;  in zipfileFilter()
1299     pCsr->bNoop = 1;  in zipfileFilter()
1300     pCsr->pCurrent = pCsr->pFreeEntry ? pCsr->pFreeEntry : pTab->pFirstEntry;  in zipfileFilter()
1714     ZipfileCsr *pCsr;  in zipfileUpdate()  local
1715     for(pCsr=pTab->pCsrList; pCsr; pCsr=pCsr->pCsrNext){  in zipfileUpdate()
1716       if( pCsr->pCurrent && (pCsr->pCurrent==pOld || pCsr->pCurrent==pOld2) ){  in zipfileUpdate()
1717         pCsr->pCurrent = pCsr->pCurrent->pNext;  in zipfileUpdate()
1718         pCsr->bNoop = 1;  in zipfileUpdate()
1836   ZipfileCsr *pCsr;  in zipfileFindCursor()  local
1837   for(pCsr=pTab->pCsrList; pCsr; pCsr=pCsr->pCsrNext){  in zipfileFindCursor()
1838     if( iId==pCsr->iId ) break;  in zipfileFindCursor()
1840   return pCsr;  in zipfileFindCursor()
1848   ZipfileCsr *pCsr;  in zipfileFunctionCds()  local
1852   pCsr = zipfileFindCursor(pTab, sqlite3_value_int64(argv[0]));  in zipfileFunctionCds()
1853   if( pCsr ){  in zipfileFunctionCds()
1854     ZipfileCDS *p = &pCsr->pCurrent->cds;  in zipfileFunctionCds()