ddidderr/zstd-rs
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added ZSTD_estimateCDictSize() and ZSTD_estimateDDictSize()

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it complements ZSTD_estimateCCtxSize()
for the special case of ZSTD_initCStream_usingDict()
This commit is contained in:
Yann Collet
2017-05-08 17:51:49 -07:00
parent 7855366598
commit a1d6704d7f
5 changed files with 57 additions and 13 deletions
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tests/fuzzer.c
+6
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@@ -404,6 +404,12 @@ static int basicUnitTests(U32 seed, double compressibility)
if (r != CNBuffSize) goto _output_error);
DISPLAYLEVEL(4, "OK \n");
DISPLAYLEVEL(4, "test%3i : estimate CDict size : ", testNb++);
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
size_t const estimatedSize = ZSTD_estimateCDictSize(cParams, dictSize);
DISPLAYLEVEL(4, "OK : %u \n", (U32)estimatedSize);
}
DISPLAYLEVEL(4, "test%3i : compress with preprocessed dictionary : ", testNb++);
{ ZSTD_compressionParameters const cParams = ZSTD_getCParams(1, CNBuffSize, dictSize);
ZSTD_customMem customMem = { NULL, NULL, NULL };