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