diff options
Diffstat (limited to 'lib/lz4frame.c')
| -rw-r--r-- | lib/lz4frame.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/lz4frame.c b/lib/lz4frame.c index b6dbd20..7094364 100644 --- a/lib/lz4frame.c +++ b/lib/lz4frame.c @@ -372,9 +372,12 @@ LZ4F_errorCode_t LZ4F_freeCompressionContext(LZ4F_compressionContext_t LZ4F_comp { LZ4F_cctx_internal_t* cctxPtr = (LZ4F_cctx_internal_t*)LZ4F_compressionContext; - FREEMEM(cctxPtr->lz4CtxPtr); - FREEMEM(cctxPtr->tmpBuff); - FREEMEM(LZ4F_compressionContext); + if (cctxPtr != NULL) /* null pointers can be safely provided to this function, like free() */ + { + FREEMEM(cctxPtr->lz4CtxPtr); + FREEMEM(cctxPtr->tmpBuff); + FREEMEM(LZ4F_compressionContext); + } return OK_NoError; } @@ -768,9 +771,12 @@ LZ4F_errorCode_t LZ4F_createDecompressionContext(LZ4F_decompressionContext_t* LZ LZ4F_errorCode_t LZ4F_freeDecompressionContext(LZ4F_decompressionContext_t LZ4F_decompressionContext) { LZ4F_dctx_internal_t* dctxPtr = (LZ4F_dctx_internal_t*)LZ4F_decompressionContext; - FREEMEM(dctxPtr->tmpIn); - FREEMEM(dctxPtr->tmpOutBuffer); - FREEMEM(dctxPtr); + if (dctxPtr != NULL) /* can accept NULL input, like free() */ + { + FREEMEM(dctxPtr->tmpIn); + FREEMEM(dctxPtr->tmpOutBuffer); + FREEMEM(dctxPtr); + } return OK_NoError; } |