diff options
Diffstat (limited to 'doc/lz4frame_manual.html')
| -rw-r--r-- | doc/lz4frame_manual.html | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/doc/lz4frame_manual.html b/doc/lz4frame_manual.html index 0ae5150..196881e 100644 --- a/doc/lz4frame_manual.html +++ b/doc/lz4frame_manual.html @@ -135,13 +135,16 @@ <pre><b>LZ4F_errorCode_t LZ4F_createCompressionContext(LZ4F_cctx** cctxPtr, unsigned version); LZ4F_errorCode_t LZ4F_freeCompressionContext(LZ4F_cctx* cctx); -</b><p> The first thing to do is to create a compressionContext object, which will be used in all compression operations. +</b><p> The first thing to do is to create a compressionContext object, + which will keep track of operation state during streaming compression. This is achieved using LZ4F_createCompressionContext(), which takes as argument a version. The version provided MUST be LZ4F_VERSION. It is intended to track potential version mismatch, notably when using DLL. The function will provide a pointer to a fully allocated LZ4F_cctx object. - If @return != zero, there was an error during context creation. - Object can be released using LZ4F_freeCompressionContext(); - Note: LZ4F_freeCompressionContext() works with NULL pointers (do nothing). + If @return != zero, there context creation failed. + Once all streaming compression jobs are completed, + the state object can be released using LZ4F_freeCompressionContext(). + Note1 : LZ4F_freeCompressionContext() is always successful. Its return value can be ignored. + Note2 : LZ4F_freeCompressionContext() works fine with NULL input pointers (do nothing). </p></pre><BR> @@ -344,6 +347,11 @@ LZ4F_errorCode_t LZ4F_freeDecompressionContext(LZ4F_dctx* dctx); <pre><b>typedef enum { LZ4F_LIST_ERRORS(LZ4F_GENERATE_ENUM) _LZ4F_dummy_error_enum_for_c89_never_used } LZ4F_errorCodes; </b></pre><BR> +<pre><b>LZ4FLIB_STATIC_API size_t LZ4F_getBlockSize(LZ4F_blockSizeID_t blockSizeID); +</b><p> Return, in scalar format (size_t), + the maximum block size associated with blockSizeID. +</p></pre><BR> + <pre><b>LZ4FLIB_STATIC_API size_t LZ4F_uncompressedUpdate(LZ4F_cctx* cctx, void* dstBuffer, size_t dstCapacity, const void* srcBuffer, size_t srcSize, |