lib/zstd
1
0
Fork 0
mirror of https://github.com/facebook/zstd.git synced 2025-08-01 09:47:01 +03:00
Code Activity

added ZSTD_duplicateCCtx()

Browse Source
This commit is contained in:
Yann Collet
2016-01-07 15:35:18 +01:00
parent 494c786a3b
commit ecd651bd91
7 changed files with 119 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
programs/fuzzer.c
View File

@ -268,11 +268,13 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
U32 result = 0;
U32 testNb = 0;
U32 coreSeed = seed, lseed = 0;
ZSTD_CCtx* refCtx;
ZSTD_CCtx* ctx;
ZSTD_DCtx* dctx;
U32 startTime = FUZ_GetMilliStart();
/* allocation */
refCtx = ZSTD_createCCtx();
ctx = ZSTD_createCCtx();
dctx= ZSTD_createDCtx();
cNoiseBuffer[0] = (BYTE*)malloc (srcBufferSize);
@ -284,7 +286,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
mirrorBuffer = (BYTE*)malloc (dstBufferSize);
cBuffer = (BYTE*)malloc (cBufferSize);
CHECK (!cNoiseBuffer[0] || !cNoiseBuffer[1] || !cNoiseBuffer[2] || !cNoiseBuffer[3] || !cNoiseBuffer[4]
|| !dstBuffer || !mirrorBuffer || !cBuffer || !ctx || !dctx,
|| !dstBuffer || !mirrorBuffer || !cBuffer || !refCtx || !ctx || !dctx,
"Not enough memory, fuzzer tests cancelled");
/* Create initial samples */
@ -461,10 +463,13 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
dict = srcBuffer + sampleStart;
dictSize = sampleSize;
cSize = ZSTD_compressBegin(ctx, cBuffer, cBufferSize, (FUZ_rand(&lseed) % (20 - (sampleSizeLog/3))) + 1);
errorCode = ZSTD_compress_insertDictionary(ctx, dict, dictSize);
errorCode = ZSTD_compressBegin(refCtx, (FUZ_rand(&lseed) % (20 - (sampleSizeLog/3))) + 1);
CHECK (ZSTD_isError(errorCode), "start streaming error : %s", ZSTD_getErrorName(errorCode));
errorCode = ZSTD_compress_insertDictionary(refCtx, dict, dictSize);
CHECK (ZSTD_isError(errorCode), "dictionary insertion error : %s", ZSTD_getErrorName(errorCode));
totalTestSize = 0;
errorCode = ZSTD_duplicateCCtx(ctx, refCtx);
CHECK (ZSTD_isError(errorCode), "context duplication error : %s", ZSTD_getErrorName(errorCode));
totalTestSize = 0; cSize = 0;
for (n=0; n<nbChunks; n++)
{
sampleSizeLog = FUZ_rand(&lseed) % maxSampleLog;
@ -517,6 +522,7 @@ int fuzzerTests(U32 seed, U32 nbTests, unsigned startTest, double compressibilit
DISPLAY("\r%u fuzzer tests completed \n", testNb-1);
_cleanup:
ZSTD_freeCCtx(refCtx);
ZSTD_freeCCtx(ctx);
ZSTD_freeDCtx(dctx);
free(cNoiseBuffer[0]);