diff options
Diffstat (limited to 'lib/lz4frame.h')
| -rw-r--r-- | lib/lz4frame.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/lib/lz4frame.h b/lib/lz4frame.h index d73e3e2..54db165 100644 --- a/lib/lz4frame.h +++ b/lib/lz4frame.h @@ -28,8 +28,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. You can contact the author at : - - LZ4 source repository : http://code.google.com/p/lz4/ - - LZ4 source mirror : https://github.com/Cyan4973/lz4 + - LZ4 source repository : https://github.com/Cyan4973/lz4 - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c */ @@ -66,19 +65,22 @@ const char* LZ4F_getErrorName(LZ4F_errorCode_t code); /* return error code str typedef enum { LZ4F_default=0, max64KB=4, max256KB=5, max1MB=6, max4MB=7 } blockSizeID_t; typedef enum { blockLinked=0, blockIndependent} blockMode_t; typedef enum { noContentChecksum=0, contentChecksumEnabled } contentChecksum_t; +typedef enum { LZ4F_frame=0, skippableFrame } frameType_t; typedef struct { - blockSizeID_t blockSizeID; /* max64KB, max256KB, max1MB, max4MB ; 0 == default */ - blockMode_t blockMode; /* blockLinked, blockIndependent ; 0 == default */ - contentChecksum_t contentChecksumFlag; /* noContentChecksum, contentChecksumEnabled ; 0 == default */ - unsigned reserved[5]; + blockSizeID_t blockSizeID; /* max64KB, max256KB, max1MB, max4MB ; 0 == default */ + blockMode_t blockMode; /* blockLinked, blockIndependent ; 0 == default */ + contentChecksum_t contentChecksumFlag; /* noContentChecksum, contentChecksumEnabled ; 0 == default */ + frameType_t frameType; /* LZ4F_frame, skippableFrame ; 0 == default */ + unsigned long long frameOSize; /* Size of uncompressed (original) content ; 0 == unknown */ + unsigned reserved[2]; /* must be zero for forward compatibility */ } LZ4F_frameInfo_t; typedef struct { LZ4F_frameInfo_t frameInfo; unsigned compressionLevel; /* 0 == default (fast mode); values above 16 count as 16 */ - unsigned autoFlush; /* 1 == always flush : reduce need for tmp buffer */ - unsigned reserved[4]; + unsigned autoFlush; /* 1 == always flush (reduce need for tmp buffer) */ + unsigned reserved[4]; /* must be zero for forward compatibility */ } LZ4F_preferences_t; @@ -130,7 +132,7 @@ LZ4F_errorCode_t LZ4F_freeCompressionContext(LZ4F_compressionContext_t LZ4F_comp size_t LZ4F_compressBegin(LZ4F_compressionContext_t compressionContext, void* dstBuffer, size_t dstMaxSize, const LZ4F_preferences_t* preferencesPtr); /* LZ4F_compressBegin() : * will write the frame header into dstBuffer. - * dstBuffer must be large enough to accommodate a header (dstMaxSize). Maximum header size is 19 bytes. + * dstBuffer must be large enough to accommodate a header (dstMaxSize). Maximum header size is 15 bytes. * The LZ4F_preferences_t structure is optional : you can provide NULL as argument, all preferences will then be set to default. * The result of the function is the number of bytes written into dstBuffer for the header * or an error code (can be tested using LZ4F_isError()) @@ -215,7 +217,7 @@ size_t LZ4F_getFrameInfo(LZ4F_decompressionContext_t ctx, * The number of bytes read from srcBuffer will be provided within *srcSizePtr (necessarily <= original value). * You are expected to resume decompression from where it stopped (srcBuffer + *srcSizePtr) * The function result is an hint of how many srcSize bytes LZ4F_decompress() expects for next call, - * or an error code which can be tested using LZ4F_isError(). + * or an error code which can be tested using LZ4F_isError(). */ size_t LZ4F_decompress(LZ4F_decompressionContext_t ctx, |