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added ZSTD_getFrameHeader_advanced()

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makes it possible to request frame header from a magicless frame
This commit is contained in:
Yann Collet
2018-03-29 17:51:08 -06:00
parent a6694838e1
commit e6e848bfe9
3 changed files with 23 additions and 9 deletions
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6
tests/fuzzer.c
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@ -1085,9 +1085,13 @@ static int basicUnitTests(U32 seed, double compressibility)
DISPLAYLEVEL(3, "OK : %s \n", ZSTD_getErrorName(decodeResult));
}
DISPLAYLEVEL(3, "test%3i : decompress with magic-less instruction : ", testNb++);
DISPLAYLEVEL(3, "test%3i : decompress of magic-less frame : ", testNb++);
ZSTD_DCtx_reset(dctx);
CHECK( ZSTD_DCtx_setFormat(dctx, ZSTD_f_zstd1_magicless) );
{ ZSTD_frameHeader zfh;
size_t const zfhrt = ZSTD_getFrameHeader_advanced(&zfh, compressedBuffer, cSize, ZSTD_f_zstd1_magicless);
if (zfhrt != 0) goto _output_error;
}
{ ZSTD_inBuffer in = { compressedBuffer, cSize, 0 };
ZSTD_outBuffer out = { decodedBuffer, CNBuffSize, 0 };
size_t const result = ZSTD_decompress_generic(dctx, &out, &in);