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Make lz4 compression/decompression compatible with library r123

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This commit is contained in:
Sean Purcell
2017-04-25 11:00:54 -07:00
parent 4de8632957
commit 2c4b6fe6b3
2 changed files with 10 additions and 7 deletions
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programs/fileio.c
+9 -6
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@@ -56,6 +56,7 @@
#define LZ4_MAGICNUMBER 0x184D2204
#if defined(ZSTD_LZ4COMPRESS) || defined(ZSTD_LZ4DECOMPRESS)
# include <lz4frame.h>
# include <lz4.h>
#endif
@@ -526,7 +527,7 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil
unsigned long long inFileSize = 0, outFileSize = 0;
LZ4F_preferences_t prefs;
LZ4F_cctx* ctx;
LZ4F_compressionContext_t ctx;
LZ4F_errorCode_t const errorCode = LZ4F_createCompressionContext(&ctx, LZ4F_VERSION);
if (LZ4F_isError(errorCode)) EXM_THROW(31, "zstd: failed to create lz4 compression context");
@@ -535,13 +536,15 @@ static unsigned long long FIO_compressLz4Frame(cRess_t* ress, const char* srcFil
prefs.autoFlush = 1;
prefs.compressionLevel = compressionLevel;
prefs.frameInfo.blockMode = LZ4F_blockIndependent; /* stick to defaults for lz4 cli */
prefs.frameInfo.blockSizeID = LZ4F_max4MB;
prefs.frameInfo.contentChecksumFlag = (LZ4F_contentChecksum_t)g_checksumFlag;
prefs.frameInfo.blockMode = blockIndependent; /* stick to defaults for lz4 cli */
prefs.frameInfo.blockSizeID = max4MB;
prefs.frameInfo.contentChecksumFlag = (contentChecksum_t)g_checksumFlag;
#if LZ4_VERSION_NUMBER >= 10600
prefs.frameInfo.contentSize = srcFileSize;
#endif
{
size_t blockSize = FIO_LZ4_GetBlockSize_FromBlockId(LZ4F_max4MB);
size_t blockSize = FIO_LZ4_GetBlockSize_FromBlockId(max4MB);
size_t readSize;
size_t headerSize = LZ4F_compressBegin(ctx, ress->dstBuffer, ress->dstBufferSize, &prefs);
if (LZ4F_isError(headerSize)) EXM_THROW(33, "File header generation failed : %s", LZ4F_getErrorName(headerSize));
@@ -1127,7 +1130,7 @@ static unsigned long long FIO_decompressLz4Frame(dRess_t* ress, FILE* srcFile, c
{
unsigned long long filesize = 0;
LZ4F_errorCode_t nextToLoad;
LZ4F_dctx* dCtx;
LZ4F_decompressionContext_t dCtx;
LZ4F_errorCode_t const errorCode = LZ4F_createDecompressionContext(&dCtx, LZ4F_VERSION);
if (LZ4F_isError(errorCode)) EXM_THROW(61, "zstd: failed to create lz4 decompression context");