AuroraMiddleware/lz4
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fix malloc handling

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This commit is contained in:
Yan Pashkovsky 2020-02-03 16:50:02 +03:00
parent 2553cd550b
commit 4cc9d863a3
1 changed files with 4 additions and 1 deletions
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5
lib/lz4hc.c
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@ -1290,7 +1290,7 @@ static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal* ctx,
int retval = 0;
#define TRAILING_LITERALS 3
#ifdef LZ4HC_HEAPMODE
LZ4HC_optimal_t* opt = (LZ4HC_optimal_t*)malloc(sizeof(LZ4HC_optimal_t) * (LZ4_OPT_NUM + TRAILING_LITERALS));
LZ4HC_optimal_t* const opt = (LZ4HC_optimal_t*)malloc(sizeof(LZ4HC_optimal_t) * (LZ4_OPT_NUM + TRAILING_LITERALS));
#else
LZ4HC_optimal_t opt[LZ4_OPT_NUM + TRAILING_LITERALS]; /* ~64 KB, which is a bit large for stack... */
#endif
@ -1305,6 +1305,9 @@ static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal* ctx,
BYTE* oend = op + dstCapacity;
/* init */
#ifdef LZ4HC_HEAPMODE
if (opt == NULL) goto _return_label;
#endif
DEBUGLOG(5, "LZ4HC_compress_optimal(dst=%p, dstCapa=%u)", dst, (unsigned)dstCapacity);
*srcSizePtr = 0;
if (limit == fillOutput) oend -= LASTLITERALS; /* Hack for support LZ4 format restriction */