ulib/lz4/lz4.c

730                        int*  const srcSizePtr,
738     const BYTE* const iend = ip + *srcSizePtr;
753     if ((U32)*srcSizePtr > (U32)LZ4_MAX_INPUT_SIZE) return 0;            /* Unsupported input size, too large (or negative) */
754     if ((tableType == byU16) && (*srcSizePtr>=LZ4_64Klimit)) return 0;   /* Size too large (not within 64K limit) */
755     if (*srcSizePtr<LZ4_minLength) goto _last_literals;                  /* Input too small, no compression (all literals) */
758     *srcSizePtr = 0;
893     *srcSizePtr = (int) (((const char*)ip)-src);
898 static int LZ4_compress_destSize_extState (void* state, const char* src, char* dst, int* srcSizePtr, int targetDstSize)
902     if (targetDstSize >= LZ4_compressBound(*srcSizePtr))   /* compression success is guaranteed */
904         return LZ4_compress_fast_extState(state, src, dst, *srcSizePtr, targetDstSize, 1);
908         if (*srcSizePtr < LZ4_64Klimit)
909             return LZ4_compress_destSize_generic(state, src, dst, srcSizePtr, targetDstSize, byU16);
911             return LZ4_compress_destSize_generic(state, src, dst, srcSizePtr, targetDstSize, LZ4_64bits() ? byU32 : byPtr);
916 int LZ4_compress_destSize(const char* src, char* dst, int* srcSizePtr, int targetDstSize)
925     int result = LZ4_compress_destSize_extState(ctx, src, dst, srcSizePtr, targetDstSize);