lib/zstd
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added : frame content checksum

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Yann Collet
2016-05-31 18:13:56 +02:00
parent e3f4e6cbda
commit f2a3b6e7b4
7 changed files with 91 additions and 66 deletions
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10
programs/fuzzer.c
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@@ -216,7 +216,7 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(4, "test%3i : check content size on duplicated context : ", testNb++);
{ size_t const testSize = CNBuffSize / 3;
{ ZSTD_compressionParameters const cPar = ZSTD_getCParams(2, testSize, dictSize);
ZSTD_frameParameters const fPar = { 1 , 0 };
ZSTD_frameParameters const fPar = { 1 , 0 , 0 };
ZSTD_parameters p;
p.cParams = cPar; p.fParams = fPar;
CHECK( ZSTD_compressBegin_advanced(ctxOrig, CNBuffer, dictSize, p, testSize-1) );
@@ -276,7 +276,7 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : compress without dictID : ", testNb++);
{ ZSTD_frameParameters const fParams = { 0, 1 /*NoDictID*/ };
{ ZSTD_frameParameters const fParams = { 0 /*contentSize*/, 0 /*checksum*/, 1 /*NoDictID*/ };
ZSTD_compressionParameters const cParams = ZSTD_getCParams(3, CNBuffSize, dictSize);
ZSTD_parameters p;
p.cParams = cParams; p.fParams = fParams;
@@ -639,12 +639,14 @@ static int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, U32 const maxD
dictSize = FUZ_randomLength(&lseed, maxSampleLog); /* needed also for decompression */
dict = srcBuffer + (FUZ_rand(&lseed) % (srcBufferSize - dictSize));
if (FUZ_rand(&lseed) & 15) {
if (FUZ_rand(&lseed) & 0xF) {
size_t const errorCode = ZSTD_compressBegin_usingDict(refCtx, dict, dictSize, cLevel);
CHECK (ZSTD_isError(errorCode), "ZSTD_compressBegin_usingDict error : %s", ZSTD_getErrorName(errorCode));
} else {
ZSTD_compressionParameters const cPar = ZSTD_getCParams(cLevel, 0, dictSize);
ZSTD_frameParameters const fpar = { FUZ_rand(&lseed)&1, FUZ_rand(&lseed)&1 }; /* note : since dictionary is fake, dictIDflag has no impact */
ZSTD_frameParameters const fpar = { FUZ_rand(&lseed)&1 /* contentSizeFlag */,
!(FUZ_rand(&lseed)&3) /* contentChecksumFlag*/,
0 /*NodictID*/ }; /* note : since dictionary is fake, dictIDflag has no impact */
ZSTD_parameters p;
size_t errorCode;
p.cParams = cPar; p.fParams = fpar;