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lz4: fix compression/decompression signedness mismatch

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LZ4 compression and decompression functions require different in
signedness input/output parameters: unsigned char for compression and
signed char for decompression.

Change decompression API to require "(const) unsigned char *".

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Kyungsik Lee <kyungsik.lee@lge.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Yann Collet <yann.collet.73@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sergey Senozhatsky 2013-09-11 14:26:32 -07:00 • committed by Linus Torvalds
parent 20b8875abc
commit b34081f1cd
2 changed files with 8 additions and 8 deletions
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8
include/linux/lz4.h
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@ -67,8 +67,8 @@ int lz4hc_compress(const unsigned char *src, size_t src_len,
* note : Destination buffer must be already allocated.
* slightly faster than lz4_decompress_unknownoutputsize()
*/
int lz4_decompress(const char *src, size_t *src_len, char *dest,
size_t actual_dest_len);
int lz4_decompress(const unsigned char *src, size_t *src_len,
unsigned char *dest, size_t actual_dest_len);
/*
* lz4_decompress_unknownoutputsize()
@ -82,6 +82,6 @@ int lz4_decompress(const char *src, size_t *src_len, char *dest,
* Error if return (< 0)
* note : Destination buffer must be already allocated.
*/
int lz4_decompress_unknownoutputsize(const char *src, size_t src_len,
char *dest, size_t *dest_len);
int lz4_decompress_unknownoutputsize(const unsigned char *src, size_t src_len,
unsigned char *dest, size_t *dest_len);
#endif