377         int const blockSize  = (FUZ_rand(&randState) % (FUZ_MAX_BLOCK_SIZE-1)) + 1;  in FUZ_test()  local
378 …st blockStart = (int)(FUZ_rand(&randState) % (U32)(COMPRESSIBLE_NOISE_LENGTH - blockSize - 1)) + 1;  in FUZ_test()
386         U32 const crcOrig = XXH32(block, (size_t)blockSize, 0);  in FUZ_test()
393           && ((size_t)blockSize < labSize) ) {  in FUZ_test()
394             memcpy(lowAddrBuffer, block, blockSize);  in FUZ_test()
400         {   int cSize, srcSize = blockSize;  in FUZ_test()
407 …         FUZ_CHECKTEST(srcSize > blockSize, "LZ4_compress_destSize() read more than src buffer !");  in FUZ_test()
408 …     DISPLAYLEVEL(5, "destSize : %7i/%7i; content%7i/%7i ", cSize, targetSize, srcSize, blockSize);  in FUZ_test()
429         {   int cSize, srcSize = blockSize;  in FUZ_test()
437                             compressionLevel, cSize, targetSize, srcSize, blockSize);  in FUZ_test()
441 …       FUZ_CHECKTEST(srcSize > blockSize, "LZ4_compress_HC_destSize() fed more than src buffer !");  in FUZ_test()
462 …HCcompressedSize = LZ4_compress_HC(block, compressedBuffer, blockSize, (int)compressedBufferSize, …  in FUZ_test()
467 …{   int const r = LZ4_compress_HC_extStateHC(stateLZ4HC, block, compressedBuffer, blockSize, (int)…  in FUZ_test()
473 …4_compress_HC_extStateHC_fastReset(stateLZ4HC, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
479 …{   int const r = LZ4_compress_fast_extState(stateLZ4, block, compressedBuffer, blockSize, (int)co…  in FUZ_test()
484 …LZ4_compress_fast_extState_fastReset(stateLZ4, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
489 …compressedSize = LZ4_compress_default(block, compressedBuffer, blockSize, (int)compressedBufferSiz…  in FUZ_test()
509             {   int const r = LZ4_decompress_fast(cBuffer_exact, decodedBuffer, blockSize);  in FUZ_test()
513             {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
519             decodedBuffer[blockSize-1] = 0;  in FUZ_test()
520             {   int const r = LZ4_decompress_fast(cBuffer_exact, decodedBuffer, blockSize-1);  in FUZ_test()
523 …FUZ_CHECKTEST(decodedBuffer[blockSize-1]!=0, "LZ4_decompress_fast overrun specified output buffer"…  in FUZ_test()
527             {   int const r = LZ4_decompress_fast(cBuffer_exact, decodedBuffer, blockSize+1);  in FUZ_test()
533             decodedBuffer[blockSize] = 0;  in FUZ_test()
534 …    {   int const r = LZ4_decompress_safe(cBuffer_exact, decodedBuffer, compressedSize, blockSize);  in FUZ_test()
536                 FUZ_CHECKTEST(r!=blockSize, "LZ4_decompress_safe did not regenerate original data");  in FUZ_test()
538 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe overrun specified output buffer size"…  in FUZ_test()
539             {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
545             decodedBuffer[blockSize] = 0;  in FUZ_test()
546             decodedBuffer[blockSize+1] = 0;  in FUZ_test()
547 …  {   int const r = LZ4_decompress_safe(cBuffer_exact, decodedBuffer, compressedSize, blockSize+1);  in FUZ_test()
549                 FUZ_CHECKTEST(r!=blockSize, "LZ4_decompress_safe did not regenerate original data");  in FUZ_test()
551 …FUZ_CHECKTEST(decodedBuffer[blockSize+1], "LZ4_decompress_safe overrun specified output buffer siz…  in FUZ_test()
552             {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
558             decodedBuffer[blockSize-1] = 0;  in FUZ_test()
559 …  {   int const r = LZ4_decompress_safe(cBuffer_exact, decodedBuffer, compressedSize, blockSize-1);  in FUZ_test()
562 …FUZ_CHECKTEST(decodedBuffer[blockSize-1], "LZ4_decompress_safe overrun specified output buffer siz…  in FUZ_test()
566             if (blockSize>10) {  in FUZ_test()
567                 decodedBuffer[blockSize-10] = 0;  in FUZ_test()
568 … {   int const r = LZ4_decompress_safe(cBuffer_exact, decodedBuffer, compressedSize, blockSize-10);  in FUZ_test()
571 …FUZ_CHECKTEST(decodedBuffer[blockSize-10], "LZ4_decompress_safe overrun specified output buffer si…  in FUZ_test()
601                 memcpy(decodedBuffer+blockSize, &endMark, sizeof(endMark));  in FUZ_test()
602 …st decompressResult = LZ4_decompress_safe(cBuffer_exact, decodedBuffer, compressedSize, blockSize);  in FUZ_test()
604 …sult > blockSize, "LZ4_decompress_safe on noisy src : result is too large : %u > %u (dst buffer)",…  in FUZ_test()
606                 {   U32 endCheck; memcpy(&endCheck, decodedBuffer+blockSize, sizeof(endCheck));  in FUZ_test()
615 …   int const r = LZ4_decompress_safe(compressedBuffer, decodedBuffer, compressedSize-1, blockSize);  in FUZ_test()
616 …being one byte too short (blockSize=%i, result=%i, compressedSize=%i)", blockSize, r, compressedSi…  in FUZ_test()
621         decodedBuffer[blockSize] = 0;  in FUZ_test()
622 …   int const r = LZ4_decompress_safe(compressedBuffer, decodedBuffer, compressedSize+1, blockSize);  in FUZ_test()
625 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe overrun specified output buffer size"…  in FUZ_test()
629         {   size_t const missingOutBytes = FUZ_rand(&randState) % (unsigned)blockSize;  in FUZ_test()
630             int const targetSize = (int)((size_t)blockSize - missingOutBytes);  in FUZ_test()
634 …ult = LZ4_decompress_safe_partial(compressedBuffer, decodedBuffer, inCSize, targetSize, blockSize);  in FUZ_test()
636 …al did not regenerated required amount of data (%i < %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
637 …artial overwrite beyond requested size (though %i <= %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
643         {   size_t const missingOutBytes = FUZ_rand(&randState) % (unsigned)blockSize;  in FUZ_test()
644             int const targetSize = (int)((size_t)blockSize - missingOutBytes);  in FUZ_test()
648 …s_safe_partial_usingDict(compressedBuffer, decodedBuffer, inCSize, targetSize, blockSize, NULL, 0);  in FUZ_test()
650 …ct did not regenerated required amount of data (%i < %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
651 …ngDict overwrite beyond requested size (though %i <= %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
656         {   size_t const missingOutBytes = FUZ_rand(&randState) % (unsigned)blockSize;  in FUZ_test()
657             int const targetSize = (int)((size_t)blockSize - missingOutBytes);  in FUZ_test()
661 …partial_usingDict(compressedBuffer, decodedBuffer, inCSize, targetSize, blockSize, decodedBuffer, …  in FUZ_test()
663 …ct did not regenerated required amount of data (%i < %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
664 …ngDict overwrite beyond requested size (though %i <= %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
669         {   size_t const missingOutBytes = FUZ_rand(&randState) % (unsigned)blockSize;  in FUZ_test()
670             int const targetSize = (int)((size_t)blockSize - missingOutBytes);  in FUZ_test()
674 …partial_usingDict(compressedBuffer, decodedBuffer, inCSize, targetSize, blockSize, dict, dictSize);  in FUZ_test()
676 …ct did not regenerated required amount of data (%i < %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
677 …ngDict overwrite beyond requested size (though %i <= %i <= %i)", decResult, targetSize, blockSize);  in FUZ_test()
685         ret = LZ4_compress_default(block, compressedBuffer, blockSize, compressedSize);  in FUZ_test()
690 … ret = LZ4_compress_fast_extState(stateLZ4, block, compressedBuffer, blockSize, compressedSize, 1);  in FUZ_test()
695 …     ret = LZ4_compress_HC(block, compressedBuffer, blockSize, HCcompressedSize, compressionLevel);  in FUZ_test()
700 …ret = LZ4_compress_HC_extStateHC(stateLZ4HC, block, compressedBuffer, blockSize, HCcompressedSize,…  in FUZ_test()
709 …{   int const cSize = LZ4_compress_default(block, compressedBuffer, blockSize, compressedSize-miss…  in FUZ_test()
721 …{   int const hcSize = LZ4_compress_HC(block, compressedBuffer, blockSize, HCcompressedSize-missin…  in FUZ_test()
737 …ize = LZ4_compress_fast_continue (&LZ4_stream, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
744 …ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer+dictSize, blockSize, decodedBu…  in FUZ_test()
746         {   U32 const crcCheck = XXH32(decodedBuffer+dictSize, (size_t)blockSize, 0);  in FUZ_test()
753 …(compressedBuffer, decodedBuffer+dictSize, blockContinueCompressedSize, blockSize, decodedBuffer, …  in FUZ_test()
754 …   FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");  in FUZ_test()
755         {   U32 const crcCheck = XXH32(decodedBuffer+dictSize, (size_t)blockSize, 0);  in FUZ_test()
764 …ize = LZ4_compress_fast_continue(&LZ4dictBody, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
769 …ret = LZ4_compress_fast_continue(&LZ4dictBody, block, compressedBuffer, blockSize, blockContinueCo…  in FUZ_test()
774 …              blockSize, (const void *)block, (void *)decodedBuffer, (const void *)dict, dictSize);  in FUZ_test()
776 …ret = LZ4_compress_fast_continue(&LZ4dictBody, block, compressedBuffer, blockSize, blockContinueCo…  in FUZ_test()
783                      blockSize, (void *)decodedBuffer, (const void *)dict, dictSize);  in FUZ_test()
784         decodedBuffer[blockSize] = 0;  in FUZ_test()
785 …   ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer, blockSize, dict, dictSize);  in FUZ_test()
787 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_fast_usingDict overrun specified output bu…  in FUZ_test()
788         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
795         decodedBuffer[blockSize] = 0;  in FUZ_test()
796 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);  in FUZ_test()
797 …   FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");  in FUZ_test()
798 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output bu…  in FUZ_test()
799         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
804         decodedBuffer[blockSize-1] = 0;  in FUZ_test()
805 … ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer, blockSize-1, dict, dictSize);  in FUZ_test()
807 …FUZ_CHECKTEST(decodedBuffer[blockSize-1], "LZ4_decompress_fast_usingDict overrun specified output …  in FUZ_test()
810         decodedBuffer[blockSize-1] = 0;  in FUZ_test()
811 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize-1, dict, dictSiz…  in FUZ_test()
813 …FUZ_CHECKTEST(decodedBuffer[blockSize-1], "LZ4_decompress_safe_usingDict overrun specified output …  in FUZ_test()
817             if (blockSize > missingBytes) {  in FUZ_test()
818                 decodedBuffer[blockSize-missingBytes] = 0;  in FUZ_test()
819 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize-missingBytes, di…  in FUZ_test()
821 …fer[blockSize-missingBytes], "LZ4_decompress_safe_usingDict overrun specified output buffer size (…  in FUZ_test()
831 …ize = LZ4_compress_fast_continue(&LZ4dictBody, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
839 …Size = LZ4_compress_fast_continue(&LZ4_stream, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
853 …ret = LZ4_compress_fast_continue(&LZ4_stream, block, compressedBuffer, blockSize, blockContinueCom…  in FUZ_test()
860 …ret = LZ4_compress_fast_continue(&LZ4_stream, block, compressedBuffer, blockSize, blockContinueCom…  in FUZ_test()
869 …ret = LZ4_compress_fast_continue(&LZ4_stream, block, compressedBuffer, blockSize, blockContinueCom…  in FUZ_test()
878         decodedBuffer[blockSize] = 0;  in FUZ_test()
879 …   ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer, blockSize, dict, dictSize);  in FUZ_test()
881 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_fast_usingDict overrun specified output bu…  in FUZ_test()
882         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
889         decodedBuffer[blockSize] = 0;  in FUZ_test()
890 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);  in FUZ_test()
891 …   FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");  in FUZ_test()
892 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output bu…  in FUZ_test()
893         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
898         decodedBuffer[blockSize-1] = 0;  in FUZ_test()
899 … ret = LZ4_decompress_fast_usingDict(compressedBuffer, decodedBuffer, blockSize-1, dict, dictSize);  in FUZ_test()
901 …FUZ_CHECKTEST(decodedBuffer[blockSize-1], "LZ4_decompress_fast_usingDict overrun specified output …  in FUZ_test()
904         decodedBuffer[blockSize-1] = 0;  in FUZ_test()
905 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize-1, dict, dictSiz…  in FUZ_test()
907 …FUZ_CHECKTEST(decodedBuffer[blockSize-1], "LZ4_decompress_safe_usingDict overrun specified output …  in FUZ_test()
911             if (blockSize > missingBytes) {  in FUZ_test()
912                 decodedBuffer[blockSize-missingBytes] = 0;  in FUZ_test()
913 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize-missingBytes, di…  in FUZ_test()
915 …fer[blockSize-missingBytes], "LZ4_decompress_safe_usingDict overrun specified output buffer size (…  in FUZ_test()
924 …ssedSize = LZ4_compress_HC_continue(LZ4dictHC, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
930 …ret = LZ4_compress_HC_continue(LZ4dictHC, block, compressedBuffer, blockSize, blockContinueCompres…  in FUZ_test()
936 …ret = LZ4_compress_HC_continue(LZ4dictHC, block, compressedBuffer, blockSize, blockContinueCompres…  in FUZ_test()
942         decodedBuffer[blockSize] = 0;  in FUZ_test()
943 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);  in FUZ_test()
944 …   FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");  in FUZ_test()
945 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output bu…  in FUZ_test()
946         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
959 …dSize = LZ4_compress_HC_continue(LZ4_streamHC, block, compressedBuffer, blockSize, (int)compressed…  in FUZ_test()
966 …ret = LZ4_compress_HC_continue(LZ4_streamHC, block, compressedBuffer, blockSize, blockContinueComp…  in FUZ_test()
973 …ret = LZ4_compress_HC_continue(LZ4_streamHC, block, compressedBuffer, blockSize, blockContinueComp…  in FUZ_test()
981 …ret = LZ4_compress_HC_continue(LZ4_streamHC, block, compressedBuffer, blockSize, blockContinueComp…  in FUZ_test()
991         decodedBuffer[blockSize] = 0;  in FUZ_test()
992 …usingDict(compressedBuffer, decodedBuffer, blockContinueCompressedSize, blockSize, dict, dictSize);  in FUZ_test()
993 …   FUZ_CHECKTEST(ret!=blockSize, "LZ4_decompress_safe_usingDict did not regenerate original data");  in FUZ_test()
994 …FUZ_CHECKTEST(decodedBuffer[blockSize], "LZ4_decompress_safe_usingDict overrun specified output bu…  in FUZ_test()
995         {   U32 const crcCheck = XXH32(decodedBuffer, (size_t)blockSize, 0);  in FUZ_test()
1003         {   int const availableSpace = (int)(FUZ_rand(&randState) % (U32)blockSize) + 5;  in FUZ_test()
1004             int consumedSize = blockSize;  in FUZ_test()
1010 …           consumedSize, blockSize, blockContinueCompressedSize, availableSpace, compressionLevel);  in FUZ_test()
1013 …        FUZ_CHECKTEST(consumedSize > blockSize, "LZ4_compress_HC_continue_destSize read overflow");  in FUZ_test()
1030         assert(blockSize >= 0);  in FUZ_test()
1031         bytes += (unsigned)blockSize;  in FUZ_test()
1354         {   size_t const blockSize = 1 MB;  in FUZ_unitTests()  local
1356             void*  const block = malloc(blockSize);  in FUZ_unitTests()
1362             memset(block, 0, blockSize);  in FUZ_unitTests()
1366             assert(blockSize < INT_MAX);  in FUZ_unitTests()
1367             srcSize = (int)blockSize;  in FUZ_unitTests()