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Restore the Other Old Streaming Functions in a Degraded Fashion

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This commit is contained in:
W. Felix Handte 2018-03-14 15:51:59 -04:00
parent c852f20c39
commit 66b6fbfe6f
2 changed files with 28 additions and 2 deletions
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19
lib/lz4.c
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@ -1707,6 +1707,25 @@ int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize,
int LZ4_sizeofStreamState() { return LZ4_STREAMSIZE; }
int LZ4_resetStreamState(void* state, char* inputBuffer)
{
(void)inputBuffer;
LZ4_resetStream((LZ4_stream_t*)state);
return 0;
}
void* LZ4_create (char* inputBuffer)
{
(void)inputBuffer;
return LZ4_createStream();
}
char* LZ4_slideInputBuffer (void* state)
{
// avoid const char * -> char * conversion warning
return (char *)(uptrval)((LZ4_stream_t*)state)->internal_donotuse.dictionary;
}
/* Obsolete streaming decompression functions */
int LZ4_decompress_safe_withPrefix64k(const char* source, char* dest, int compressedSize, int maxOutputSize)

11
lib/lz4.h
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@ -477,8 +477,15 @@ LZ4_DEPRECATED("use LZ4_compress_fast_continue() instead") LZ4LIB_API int LZ4_co
LZ4_DEPRECATED("use LZ4_decompress_fast() instead") LZ4LIB_API int LZ4_uncompress (const char* source, char* dest, int outputSize);
LZ4_DEPRECATED("use LZ4_decompress_safe() instead") LZ4LIB_API int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize);
/* Obsolete streaming functions; use new streaming interface whenever possible */
LZ4_DEPRECATED("use LZ4_createStream() instead") LZ4LIB_API int LZ4_sizeofStreamState(void);
/* Broken, obsolete streaming functions; do not use!
*
* These functions depended on data that is no longer tracked in the state. They
* are therefore broken--they don't retain any history across compressions.
*/
LZ4_DEPRECATED("Broken!!! Use LZ4_createStream() instead") LZ4LIB_API void* LZ4_create (char* inputBuffer);
LZ4_DEPRECATED("Use LZ4_createStream() instead") LZ4LIB_API int LZ4_sizeofStreamState(void);
LZ4_DEPRECATED("Broken!!! Use LZ4_resetStream() instead") LZ4LIB_API int LZ4_resetStreamState(void* state, char* inputBuffer);
LZ4_DEPRECATED("Broken!!! Use LZ4_saveDict() instead") LZ4LIB_API char* LZ4_slideInputBuffer (void* state);
/* Obsolete streaming decoding functions */
LZ4_DEPRECATED("use LZ4_decompress_safe_usingDict() instead") LZ4LIB_API int LZ4_decompress_safe_withPrefix64k (const char* src, char* dst, int compressedSize, int maxDstSize);