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cbfstool: add decompression wrappers

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... and document the interface.

Change-Id: I86a071a61fd6c1ef842f8ffe51f12f0cefdaf2fe
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/11362
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Patrick Georgi
2015-08-26 12:53:41 +02:00
committed by Patrick Georgi
parent a71c83fa5c
commit 61c822900e
2 changed files with 42 additions and 1 deletions
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16
util/cbfstool/common.h
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@@ -146,10 +146,24 @@ void buffer_delete(struct buffer *buffer);
const char *arch_to_string(uint32_t a);
uint32_t string_to_arch(const char *arch_string);
typedef int (*comp_func_ptr) (char *, int, char *, int *);
/* Compress in_len bytes from in, storing the result at out, returning the
* resulting length in out_len.
* Returns 0 on error,
* != 0 otherwise, depending on the compressing function.
*/
typedef int (*comp_func_ptr) (char *in, int in_len, char *out, int *out_len);
/* Decompress in_len bytes from in, storing the result at out, up to out_len
* bytes.
* Returns 0 on error,
* != 0 otherwise, depending on the decompressing function.
*/
typedef int (*decomp_func_ptr) (char *in, int in_len, char *out, int out_len);
enum comp_algo { CBFS_COMPRESS_NONE = 0, CBFS_COMPRESS_LZMA = 1 };
comp_func_ptr compression_function(enum comp_algo algo);
decomp_func_ptr decompression_function(enum comp_algo algo);
uint64_t intfiletype(const char *name);