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Fixed copyCCtx() on uninitialized cctx (reported by Oliver Lange)

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This commit is contained in:
Yann Collet
2016-04-11 20:12:27 +02:00
parent 582933fde5
commit 887e7da785
3 changed files with 25 additions and 15 deletions
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14
programs/fuzzer.c
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@@ -176,11 +176,17 @@ static int basicUnitTests(U32 seed, double compressibility)
const size_t dictSize = 500;
size_t cSizeOrig;
DISPLAYLEVEL(4, "test%3i : copy context too soon : ", testNb++);
{ size_t const copyResult = ZSTD_copyCCtx(ctxDuplicated, ctxOrig);
if (!ZSTD_isError(copyResult)) goto _output_error; /* error should be detected */
}
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : load dictionary into context : ", testNb++);
result = ZSTD_compressBegin_usingDict(ctxOrig, CNBuffer, dictSize, 2);
if (ZSTD_isError(result)) goto _output_error;
result = ZSTD_copyCCtx(ctxDuplicated, ctxOrig);
if (ZSTD_isError(result)) goto _output_error;
{ size_t const initResult = ZSTD_compressBegin_usingDict(ctxOrig, CNBuffer, dictSize, 2);
if (ZSTD_isError(initResult)) goto _output_error; }
{ size_t const copyResult = ZSTD_copyCCtx(ctxDuplicated, ctxOrig);
if (ZSTD_isError(copyResult)) goto _output_error; }
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : compress with dictionary : ", testNb++);