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| author | Yann Collet <cyan@fb.com> | 2017-08-09 00:43:11 (GMT) |
|---|---|---|
| committer | Yann Collet <cyan@fb.com> | 2017-08-09 00:43:11 (GMT) |
| commit | a82dadfbae74916aecdd10121cc0177fd8162b90 (patch) | |
| tree | 2b31a0fe990f21326a9a7f9feab8003dbdb7f802 /lib/lz4frame.h | |
| parent | e98a528576c1cc095dcdcf9ff1f4e3e8422a535d (diff) | |
| download | lz4-a82dadfbae74916aecdd10121cc0177fd8162b90.zip lz4-a82dadfbae74916aecdd10121cc0177fd8162b90.tar.gz lz4-a82dadfbae74916aecdd10121cc0177fd8162b90.tar.bz2 | |
added dictID inside LZ4F_frameInfo_t
Compressor can set dictID on LZ4F_compressBegin()
Decompressor can retrieve it using LZ4F_getFrameInfo()
Diffstat (limited to 'lib/lz4frame.h')
| -rw-r--r-- | lib/lz4frame.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/lz4frame.h b/lib/lz4frame.h index dd2be58..0efe220 100644 --- a/lib/lz4frame.h +++ b/lib/lz4frame.h @@ -162,7 +162,8 @@ typedef struct { LZ4F_contentChecksum_t contentChecksumFlag; /* noContentChecksum, contentChecksumEnabled ; 0 == default */ LZ4F_frameType_t frameType; /* LZ4F_frame, skippableFrame ; 0 == default */ unsigned long long contentSize; /* Size of uncompressed (original) content ; 0 == unknown */ - unsigned reserved[2]; /* must be zero for forward compatibility */ + unsigned dictID; /* Dictionary ID, sent by the compressor, to help the decoder select the right dictionary; 0 == no dictionary used */ + unsigned reserved[1]; /* must be zero for forward compatibility */ } LZ4F_frameInfo_t; /*! LZ4F_preferences_t : @@ -228,7 +229,7 @@ LZ4FLIB_API LZ4F_errorCode_t LZ4F_freeCompressionContext(LZ4F_cctx* cctx); /*---- Compression ----*/ -#define LZ4F_HEADER_SIZE_MAX 15 +#define LZ4F_HEADER_SIZE_MAX 19 /*! LZ4F_compressBegin() : * will write the frame header into dstBuffer. * dstCapacity must be large enough to store the header. Maximum header size is LZ4F_HEADER_SIZE_MAX bytes. |