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Manually moving instead of memcpy on decoder and using genBuffer()

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This commit is contained in:
Bimba Shrestha
2019-10-03 09:26:51 -07:00
parent 61ec4c2e7f
commit 36528b96c4
2 changed files with 41 additions and 31 deletions
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tests/fuzzer.c
+7 -6
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@@ -307,7 +307,8 @@ static int FUZ_mallocTests(unsigned seed, double compressibility, unsigned part)
static void FUZ_decodeSequences(BYTE* dst, ZSTD_Sequence* seqs, size_t seqsSize, BYTE* src, size_t size)
{
size_t i;
for(i = 0; i < seqsSize; ++i) {
size_t j;
for(i = 0; i < seqsSize - 1; ++i) {
assert(dst + seqs[i].litLength + seqs[i].matchLength < dst + size);
assert(src + seqs[i].litLength + seqs[i].matchLength < src + size);
@@ -316,7 +317,8 @@ static void FUZ_decodeSequences(BYTE* dst, ZSTD_Sequence* seqs, size_t seqsSize,
src += seqs[i].litLength;
size -= seqs[i].litLength;
memcpy(dst, dst-seqs[i].offset, seqs[i].matchLength);
for (j = 0; j < seqs[i].matchLength; ++j)
dst[j] = dst[j - seqs[i].offset];
dst += seqs[i].matchLength;
src += seqs[i].matchLength;
size -= seqs[i].matchLength;
@@ -1982,20 +1984,19 @@ static int basicUnitTests(U32 const seed, double compressibility)
DISPLAYLEVEL(3, "test%3i : ZSTD_getSequences decode from sequences test : ", testNb++);
{
size_t srcSize = sizeof(U32) * 1000;
size_t srcSize = 100 KB;
BYTE* src = (BYTE*)CNBuffer;
BYTE* decoded = (BYTE*)compressedBuffer;
ZSTD_CCtx* cctx = ZSTD_createCCtx();
ZSTD_Sequence* seqs = (ZSTD_Sequence*)malloc(srcSize * sizeof(ZSTD_Sequence));
size_t seqsSize; size_t i;
U32 randSeed = seed;
size_t seqsSize;
if (seqs == NULL) goto _output_error;
assert(cctx != NULL);
/* Populate src with random data */
for (i = 0; i < srcSize / sizeof(U32); ++i) {((U32*)CNBuffer)[i] = FUZ_rand(&randSeed);}
RDG_genBuffer(CNBuffer, srcSize, compressibility, 0., seed);
/* get the sequences */
seqsSize = ZSTD_getSequences(cctx, seqs, srcSize, src, srcSize);