lib/zlib_dfltcc/dfltcc_inflate.h

   1 // SPDX-License-Identifier: Zlib
   2 #ifndef DFLTCC_INFLATE_H
   3 #define DFLTCC_INFLATE_H
   4
   5 #include "dfltcc.h"
   6
   7 /* External functions */
   8 void dfltcc_reset_inflate_state(z_streamp strm);
   9 int dfltcc_can_inflate(z_streamp strm);
  10 typedef enum {
  11     DFLTCC_INFLATE_CONTINUE,
  12     DFLTCC_INFLATE_BREAK,
  13     DFLTCC_INFLATE_SOFTWARE,
  14 } dfltcc_inflate_action;
  15 dfltcc_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 */