1 #ifndef _FLATE_H_
2 #define _FLATE_H_ 1
3 #if defined(__cplusplus)
4 extern "C" { 
5 #endif
6 
7 AUTOLIB(flate)
8 /*
9 #pragma	lib	"libflate.a"
10 #pragma	src	"/sys/src/libflate"
11 */
12 
13 /*
14  * errors from deflate, deflateinit, deflateblock,
15  * inflate, inflateinit, inflateblock.
16  * convertable to a string by flateerr
17  */
18 enum
19 {
20 	FlateOk			= 0,
21 	FlateNoMem		= -1,
22 	FlateInputFail		= -2,
23 	FlateOutputFail		= -3,
24 	FlateCorrupted		= -4,
25 	FlateInternal		= -5
26 };
27 
28 int	deflateinit(void);
29 int	deflate(void *wr, int (*w)(void*, void*, int), void *rr, int (*r)(void*, void*, int), int level, int debug);
30 
31 int	inflateinit(void);
32 int	inflate(void *wr, int (*w)(void*, void*, int), void *getr, int (*get)(void*));
33 
34 int	inflateblock(uchar *dst, int dsize, uchar *src, int ssize);
35 int	deflateblock(uchar *dst, int dsize, uchar *src, int ssize, int level, int debug);
36 
37 int	deflatezlib(void *wr, int (*w)(void*, void*, int), void *rr, int (*r)(void*, void*, int), int level, int debug);
38 int	inflatezlib(void *wr, int (*w)(void*, void*, int), void *getr, int (*get)(void*));
39 
40 int	inflatezlibblock(uchar *dst, int dsize, uchar *src, int ssize);
41 int	deflatezlibblock(uchar *dst, int dsize, uchar *src, int ssize, int level, int debug);
42 
43 char	*flateerr(int err);
44 
45 uint32	*mkcrctab(uint32);
46 uint32	blockcrc(uint32 *tab, uint32 crc, void *buf, int n);
47 
48 uint32	adler32(uint32 adler, void *buf, int n);
49 #if defined(__cplusplus)
50 }
51 #endif
52 #endif