AuroraMiddleware/lz4
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check some more initialization result

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ensure it's not NULL.
This commit is contained in:
Yann Collet 2019-04-08 16:51:22 -07:00
parent 111df0fa45
commit 5ef4f3ce91
1 changed files with 5 additions and 1 deletions
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6
lib/lz4.c
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@ -1126,6 +1126,7 @@ _failure:
int LZ4_compress_fast_extState(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int acceleration)
{
LZ4_stream_t_internal* const ctx = & LZ4_initStream(state, sizeof(LZ4_stream_t)) -> internal_donotuse;
assert(ctx != NULL);
if (acceleration < 1) acceleration = ACCELERATION_DEFAULT;
if (maxOutputSize >= LZ4_compressBound(inputSize)) {
if (inputSize < LZ4_64Klimit) {
@ -1236,7 +1237,8 @@ int LZ4_compress_fast_force(const char* src, char* dst, int srcSize, int dstCapa
* _continue() call without resetting it. */
static int LZ4_compress_destSize_extState (LZ4_stream_t* state, const char* src, char* dst, int* srcSizePtr, int targetDstSize)
{
LZ4_initStream(state, sizeof (*state));
void* const s = LZ4_initStream(state, sizeof (*state));
assert(s != NULL); (void)s;
if (targetDstSize >= LZ4_compressBound(*srcSizePtr)) { /* compression success is guaranteed */
return LZ4_compress_fast_extState(state, src, dst, *srcSizePtr, targetDstSize, 1);
@ -1307,6 +1309,8 @@ LZ4_stream_t* LZ4_initStream (void* buffer, size_t size)
return (LZ4_stream_t*)buffer;
}
/* resetStream is now deprecated,
* prefer initStream() which is more general */
void LZ4_resetStream (LZ4_stream_t* LZ4_stream)
{
DEBUGLOG(5, "LZ4_resetStream (ctx:%p)", LZ4_stream);