1// SPDX-License-Identifier: Zlib
2#ifndef DFLTCC_INFLATE_H
3#define DFLTCC_INFLATE_H
4
5#include "dfltcc.h"
6
7/* External functions */
8void dfltcc_reset_inflate_state(z_streamp strm);
9int dfltcc_can_inflate(z_streamp strm);
10typedef enum {
11    DFLTCC_INFLATE_CONTINUE,
12    DFLTCC_INFLATE_BREAK,
13    DFLTCC_INFLATE_SOFTWARE,
14} dfltcc_inflate_action;
15dfltcc_inflate_action dfltcc_inflate(z_streamp strm,
16                                     int flush, int *ret);
17#define INFLATE_RESET_HOOK(strm) \
18    dfltcc_reset_inflate_state((strm))
19
20#define INFLATE_TYPEDO_HOOK(strm, flush) \
21    if (dfltcc_can_inflate((strm))) { \
22        dfltcc_inflate_action action; \
23\
24        RESTORE(); \
25        action = dfltcc_inflate((strm), (flush), &ret); \
26        LOAD(); \
27        if (action == DFLTCC_INFLATE_CONTINUE) \
28            break; \
29        else if (action == DFLTCC_INFLATE_BREAK) \
30            goto inf_leave; \
31    }
32
33#define INFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_inflate((strm)))
34
35#define INFLATE_NEED_UPDATEWINDOW(strm) (!dfltcc_can_inflate((strm)))
36
37#endif /* DFLTCC_DEFLATE_H */
38