diff options
| -rw-r--r-- | vcl/source/filter/igif/decode.cxx | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/vcl/source/filter/igif/decode.cxx b/vcl/source/filter/igif/decode.cxx index 24b25ace91a9..a8e49e6abd8d 100644 --- a/vcl/source/filter/igif/decode.cxx +++ b/vcl/source/filter/igif/decode.cxx @@ -109,11 +109,9 @@ HPBYTE GIFLZWDecompressor::DecompressBlock( HPBYTE pSrc, sal_uInt8 cBufSize, bool GIFLZWDecompressor::AddToTable( sal_uInt16 nPrevCode, sal_uInt16 nCodeFirstData ) { - GIFLZWTableEntry* pE; - if( nTableSize < 4096 ) { - pE = pTable + nTableSize; + GIFLZWTableEntry* pE = pTable + nTableSize; pE->pPrev = pTable + nPrevCode; pE->pFirst = pE->pPrev->pFirst; GIFLZWTableEntry *pEntry = pTable[nCodeFirstData].pFirst; @@ -130,7 +128,6 @@ bool GIFLZWDecompressor::AddToTable( sal_uInt16 nPrevCode, sal_uInt16 nCodeFirst bool GIFLZWDecompressor::ProcessOneCode() { - GIFLZWTableEntry* pE; sal_uInt16 nCode; bool bRet = false; bool bEndOfBlock = false; @@ -193,11 +190,11 @@ bool GIFLZWDecompressor::ProcessOneCode() nOldCode = nCode; - if (nCode > 4096) + if (nCode >= 4096) return false; // write character(/-sequence) of code nCode in the output buffer: - pE = pTable + nCode; + GIFLZWTableEntry* pE = pTable + nCode; do { if (pOutBufData == pOutBuf) //can't go back past start |