diff options
Diffstat (limited to 'lib/lz4.c')
| -rw-r--r-- | lib/lz4.c | 24 |
1 files changed, 4 insertions, 20 deletions
@@ -1679,25 +1679,6 @@ int LZ4_compress_forceExtDict (LZ4_stream_t* LZ4_dict, const char* source, char* return result; } -/*! LZ4_getDictSize(): - * Get the size of the dictionary. This can be used for adding data without - * compression to the LZ4 archive. If linked blocked mode is used the memory - * of the dictionary is kept free. - * This way uncompressed data does not influence the effectiveness of the - * dictionary. - * @param LZ4_dict Pointer to the dictionary to get the size of. - * @param dictSize The maximum dictionary size. (Normally 64 KB). - * @return The size of the dictionary. - */ -int LZ4_getDictSize (const LZ4_stream_t* LZ4_dict, int dictSize) -{ - const LZ4_stream_t_internal* const dict = &LZ4_dict->internal_donotuse; - - if ((U32)dictSize > 64 KB) { dictSize = 64 KB; } /* useless to define a dictionary > 64 KB */ - if ((U32)dictSize > dict->dictSize) { dictSize = (int)dict->dictSize; } - - return dictSize; -} /*! LZ4_saveDict() : * If previously compressed data block is not guaranteed to remain available at its memory location, @@ -1709,9 +1690,12 @@ int LZ4_getDictSize (const LZ4_stream_t* LZ4_dict, int dictSize) int LZ4_saveDict (LZ4_stream_t* LZ4_dict, char* safeBuffer, int dictSize) { LZ4_stream_t_internal* const dict = &LZ4_dict->internal_donotuse; - dictSize = LZ4_getDictSize(LZ4_dict, dictSize); + DEBUGLOG(5, "LZ4_saveDict : dictSize=%i, safeBuffer=%p", dictSize, safeBuffer); + if ((U32)dictSize > 64 KB) { dictSize = 64 KB; } /* useless to define a dictionary > 64 KB */ + if ((U32)dictSize > dict->dictSize) { dictSize = (int)dict->dictSize; } + if (safeBuffer == NULL) assert(dictSize == 0); if (dictSize > 0) { const BYTE* const previousDictEnd = dict->dictionary + dict->dictSize; |