AuroraMiddleware/zstd
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[fuzzer] Check ZSTD_initStaticCDict() for every level

Browse Source
This commit is contained in:
Nick Terrell 2018-01-31 11:12:54 -08:00
parent ab3346af07
commit 9c8c69e41a
1 changed files with 25 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
tests/fuzzer.c
View File

@ -763,28 +763,31 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(3, "OK \n"); DISPLAYLEVEL(3, "OK \n");
DISPLAYLEVEL(3, "test%3i : compress with static CDict : ", testNb++); DISPLAYLEVEL(3, "test%3i : compress with static CDict : ", testNb++);
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize); { int const maxLevel = ZSTD_maxCLevel();
size_t const cdictSize = ZSTD_estimateCDictSize_advanced(dictSize, cParams, ZSTD_dlm_byCopy); int level;
void* const cdictBuffer = malloc(cdictSize); for (level = 1; level <= maxLevel; ++level) {
if (cdictBuffer==NULL) goto _output_error; ZSTD_compressionParameters const cParams = ZSTD_getCParams(level, CNBuffSize, dictSize);
{ const ZSTD_CDict* const cdict = ZSTD_initStaticCDict( size_t const cdictSize = ZSTD_estimateCDictSize_advanced(dictSize, cParams, ZSTD_dlm_byCopy);
cdictBuffer, cdictSize, void* const cdictBuffer = malloc(cdictSize);
dictBuffer, dictSize, if (cdictBuffer==NULL) goto _output_error;
ZSTD_dlm_byCopy, ZSTD_dm_auto, { const ZSTD_CDict* const cdict = ZSTD_initStaticCDict(
cParams); cdictBuffer, cdictSize,
if (cdict == NULL) { dictBuffer, dictSize,
DISPLAY("ZSTD_initStaticCDict failed "); ZSTD_dlm_byCopy, ZSTD_dm_auto,
goto _output_error; cParams);
} if (cdict == NULL) {
cSize = ZSTD_compress_usingCDict(cctx, DISPLAY("ZSTD_initStaticCDict failed ");
compressedBuffer, compressedBufferSize, goto _output_error;
CNBuffer, CNBuffSize, cdict); }
if (ZSTD_isError(cSize)) { cSize = ZSTD_compress_usingCDict(cctx,
DISPLAY("ZSTD_compress_usingCDict failed "); compressedBuffer, compressedBufferSize,
goto _output_error; CNBuffer, MIN(10 KB, CNBuffSize), cdict);
} } if (ZSTD_isError(cSize)) {
free(cdictBuffer); DISPLAY("ZSTD_compress_usingCDict failed ");
} goto _output_error;
} }
free(cdictBuffer);
} }
DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBuffSize*100); DISPLAYLEVEL(3, "OK (%u bytes : %.2f%%)\n", (U32)cSize, (double)cSize/CNBuffSize*100);
DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingCDict_advanced, no contentSize, no dictID : ", testNb++); DISPLAYLEVEL(3, "test%3i : ZSTD_compress_usingCDict_advanced, no contentSize, no dictID : ", testNb++);