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| author | Yann Collet <yann.collet.73@gmail.com> | 2015-04-19 14:23:53 (GMT) |
|---|---|---|
| committer | Yann Collet <yann.collet.73@gmail.com> | 2015-04-19 14:23:53 (GMT) |
| commit | 409f816267b00e2307fabc59cc6ddffcc605a1ec (patch) | |
| tree | abc9b214e91ed4809f90ccfbf2872273d4b9921f /programs | |
| parent | 47c304039954d73cea018fbd6b4eebc05877d3fc (diff) | |
| download | lz4-409f816267b00e2307fabc59cc6ddffcc605a1ec.zip lz4-409f816267b00e2307fabc59cc6ddffcc605a1ec.tar.gz lz4-409f816267b00e2307fabc59cc6ddffcc605a1ec.tar.bz2 | |
Updated LZ4F_getFrameInfo() behavior, related to uncomplete frame header decoding attempts
Diffstat (limited to 'programs')
| -rw-r--r-- | programs/frametest.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/programs/frametest.c b/programs/frametest.c index 6adf408..ed131d2 100644 --- a/programs/frametest.c +++ b/programs/frametest.c @@ -277,6 +277,37 @@ int basicTests(U32 seed, double compressibility) if (crcDest != crcOrig) goto _output_error; DISPLAYLEVEL(3, "Regenerated %i bytes \n", (int)decodedBufferSize); + DISPLAYLEVEL(4, "Reusing decompression context \n"); + { + size_t oSize = 0; + size_t iSize = 0; + LZ4F_frameInfo_t fi; + + DISPLAYLEVEL(3, "Start by feeding 0 bytes, to get next input size : "); + errorCode = LZ4F_decompress(dCtx, NULL, &oSize, ip, &iSize, NULL); + if (LZ4F_isError(errorCode)) goto _output_error; + DISPLAYLEVEL(3, " %u \n", (unsigned)errorCode); + + DISPLAYLEVEL(3, "get FrameInfo on null input : "); + errorCode = LZ4F_getFrameInfo(dCtx, &fi, ip, &iSize); + if (errorCode != (size_t)-LZ4F_ERROR_frameHeader_incomplete) goto _output_error; + DISPLAYLEVEL(3, " correctly failed : %s \n", LZ4F_getErrorName(errorCode)); + + DISPLAYLEVEL(3, "get FrameInfo on not enough input : "); + iSize = 6; + errorCode = LZ4F_getFrameInfo(dCtx, &fi, ip, &iSize); + if (errorCode != (size_t)-LZ4F_ERROR_frameHeader_incomplete) goto _output_error; + DISPLAYLEVEL(3, " correctly failed : %s \n", LZ4F_getErrorName(errorCode)); + ip += iSize; + + DISPLAYLEVEL(3, "get FrameInfo on enough input : "); + iSize = 15 - iSize; + errorCode = LZ4F_getFrameInfo(dCtx, &fi, ip, &iSize); + if (LZ4F_isError(errorCode)) goto _output_error; + DISPLAYLEVEL(3, " correctly decoded \n"); + ip += iSize; + } + DISPLAYLEVEL(3, "Byte after byte : \n"); while (ip < iend) { |