diff options
Diffstat (limited to 'chromium/third_party/sqlite/patched/ext/misc/zipfile.c')
-rw-r--r-- | chromium/third_party/sqlite/patched/ext/misc/zipfile.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/chromium/third_party/sqlite/patched/ext/misc/zipfile.c b/chromium/third_party/sqlite/patched/ext/misc/zipfile.c index 1dc47a7d9ae..59bfaa2153a 100644 --- a/chromium/third_party/sqlite/patched/ext/misc/zipfile.c +++ b/chromium/third_party/sqlite/patched/ext/misc/zipfile.c @@ -369,6 +369,7 @@ static int zipfileConnect( zipfileDequote(pNew->zFile); } } + sqlite3_vtab_config(db, SQLITE_VTAB_DIRECTONLY); *ppVtab = (sqlite3_vtab*)pNew; return rc; } @@ -981,25 +982,25 @@ static int zipfileDeflate( u8 **ppOut, int *pnOut, /* Output */ char **pzErr /* OUT: Error message */ ){ - sqlite3_int64 nAlloc = compressBound(nIn); - u8 *aOut; int rc = SQLITE_OK; + sqlite3_int64 nAlloc; + z_stream str; + u8 *aOut; + + memset(&str, 0, sizeof(str)); + str.next_in = (Bytef*)aIn; + str.avail_in = nIn; + deflateInit2(&str, 9, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); + nAlloc = deflateBound(&str, nIn); aOut = (u8*)sqlite3_malloc64(nAlloc); if( aOut==0 ){ rc = SQLITE_NOMEM; }else{ int res; - z_stream str; - memset(&str, 0, sizeof(str)); - str.next_in = (Bytef*)aIn; - str.avail_in = nIn; str.next_out = aOut; str.avail_out = nAlloc; - - deflateInit2(&str, 9, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); res = deflate(&str, Z_FINISH); - if( res==Z_STREAM_END ){ *ppOut = aOut; *pnOut = (int)str.total_out; @@ -1308,10 +1309,10 @@ static int zipfileBestIndex( idx = i; } } + pIdxInfo->estimatedCost = 1000.0; if( idx>=0 ){ pIdxInfo->aConstraintUsage[idx].argvIndex = 1; pIdxInfo->aConstraintUsage[idx].omit = 1; - pIdxInfo->estimatedCost = 1000.0; pIdxInfo->idxNum = 1; }else if( unusable ){ return SQLITE_CONSTRAINT; @@ -1433,8 +1434,8 @@ static int zipfileGetMode( ** identical, ignoring any trailing '/' character in either path. */ static int zipfileComparePath(const char *zA, const char *zB, int nB){ int nA = (int)strlen(zA); - if( zA[nA-1]=='/' ) nA--; - if( zB[nB-1]=='/' ) nB--; + if( nA>0 && zA[nA-1]=='/' ) nA--; + if( nB>0 && zB[nB-1]=='/' ) nB--; if( nA==nB && memcmp(zA, zB, nA)==0 ) return 0; return 1; } @@ -1444,6 +1445,10 @@ static int zipfileBegin(sqlite3_vtab *pVtab){ int rc = SQLITE_OK; assert( pTab->pWriteFd==0 ); + if( pTab->zFile==0 || pTab->zFile[0]==0 ){ + pTab->base.zErrMsg = sqlite3_mprintf("zipfile: missing filename"); + return SQLITE_ERROR; + } /* Open a write fd on the file. Also load the entire central directory ** structure into memory. During the transaction any new file data is @@ -1628,11 +1633,15 @@ static int zipfileUpdate( ** '/'. This appears to be required for compatibility with info-zip ** (the unzip command on unix). It does not create directories ** otherwise. */ - if( zPath[nPath-1]!='/' ){ + if( nPath<=0 || zPath[nPath-1]!='/' ){ zFree = sqlite3_mprintf("%s/", zPath); - if( zFree==0 ){ rc = SQLITE_NOMEM; } zPath = (const char*)zFree; - nPath++; + if( zFree==0 ){ + rc = SQLITE_NOMEM; + nPath = 0; + }else{ + nPath = (int)strlen(zPath); + } } } @@ -2025,19 +2034,19 @@ void zipfileStep(sqlite3_context *pCtx, int nVal, sqlite3_value **apVal){ ** at the end of the path. Or, if this is not a directory and the path ** ends in '/' it is an error. */ if( bIsDir==0 ){ - if( zName[nName-1]=='/' ){ + if( nName>0 && zName[nName-1]=='/' ){ zErr = sqlite3_mprintf("non-directory name must not end with /"); rc = SQLITE_ERROR; goto zipfile_step_out; } }else{ - if( zName[nName-1]!='/' ){ + if( nName==0 || zName[nName-1]!='/' ){ zName = zFree = sqlite3_mprintf("%s/", zName); - nName++; if( zName==0 ){ rc = SQLITE_NOMEM; goto zipfile_step_out; } + nName = (int)strlen(zName); }else{ while( nName>1 && zName[nName-2]=='/' ) nName--; } |