diff options
Diffstat (limited to 'lib/lz4.c')
| -rw-r--r-- | lib/lz4.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -514,7 +514,7 @@ static unsigned LZ4_NbCommonBytes (reg_t val) return (unsigned)r >> 3; # elif (defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 3) || \ ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4))))) && \ - !defined(LZ4_FORCE_SW_BITCOUNT) + !defined(__TINYC__) && !defined(LZ4_FORCE_SW_BITCOUNT) return (unsigned)__builtin_ctz((U32)val) >> 3; # else const U32 m = 0x01010101; @@ -525,7 +525,7 @@ static unsigned LZ4_NbCommonBytes (reg_t val) if (sizeof(val)==8) { # if (defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 3) || \ ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4))))) && \ - !defined(LZ4_FORCE_SW_BITCOUNT) + !defined(__TINYC__) && !defined(LZ4_FORCE_SW_BITCOUNT) return (unsigned)__builtin_clzll((U64)val) >> 3; # else #if 1 @@ -1237,6 +1237,7 @@ LZ4_FORCE_INLINE int LZ4_compress_generic( if ((U32)srcSize > (U32)LZ4_MAX_INPUT_SIZE) { return 0; } /* Unsupported srcSize, too large (or negative) */ if (srcSize == 0) { /* src == NULL supported if srcSize == 0 */ + if (outputDirective != notLimited && dstCapacity <= 0) return 0; /* no output, can't write anything */ DEBUGLOG(5, "Generating an empty block"); assert(outputDirective == notLimited || dstCapacity >= 1); assert(dst != NULL); |