31 lines
921 B
C
31 lines
921 B
C
|
/*
|
||
|
|
* Decompression convenience functions
|
||
|
|
*
|
||
|
|
* Copyright 2007 David Gibson, IBM Corporation.
|
||
|
|
*
|
||
|
|
* This file is licensed under the terms of the GNU General Public
|
||
|
|
* License version 2. This program is licensed "as is" without any
|
||
|
|
* warranty of any kind, whether express or implied.
|
||
|
|
*/
|
||
|
|
#ifndef _PPC_BOOT_GUNZIP_UTIL_H_
|
||
|
|
#define _PPC_BOOT_GUNZIP_UTIL_H_
|
||
|
|
|
||
|
|
#include "zlib.h"
|
||
|
|
|
||
|
|
/* scratch space for gunzip; 46912 is from zlib_inflate_workspacesize() */
|
||
|
|
#define GUNZIP_SCRATCH_SIZE 46912
|
||
|
|
|
||
|
|
struct gunzip_state {
|
||
|
|
z_stream s;
|
||
|
|
char scratch[46912];
|
||
|
|
};
|
||
|
|
|
||
|
|
void gunzip_start(struct gunzip_state *state, void *src, int srclen);
|
||
|
|
int gunzip_partial(struct gunzip_state *state, void *dst, int dstlen);
|
||
|
|
void gunzip_exactly(struct gunzip_state *state, void *dst, int len);
|
||
|
|
void gunzip_discard(struct gunzip_state *state, int len);
|
||
|
|
int gunzip_finish(struct gunzip_state *state, void *dst, int len);
|
||
|
|
|
||
|
|
#endif /* _PPC_BOOT_GUNZIP_UTIL_H_ */
|
||
|
|
|