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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#ifndef DFLTCC_INFLATE_H
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#define DFLTCC_INFLATE_H
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#include "dfltcc_common.h"
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int ZLIB_INTERNAL dfltcc_can_inflate(PREFIX3(streamp) strm);
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typedef enum {
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DFLTCC_INFLATE_CONTINUE,
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DFLTCC_INFLATE_BREAK,
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DFLTCC_INFLATE_SOFTWARE,
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} dfltcc_inflate_action;
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dfltcc_inflate_action ZLIB_INTERNAL dfltcc_inflate(PREFIX3(streamp) strm, int flush, int *ret);
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int ZLIB_INTERNAL dfltcc_was_inflate_used(PREFIX3(streamp) strm);
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int ZLIB_INTERNAL dfltcc_inflate_disable(PREFIX3(streamp) strm);
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#define INFLATE_RESET_KEEP_HOOK(strm) \
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dfltcc_reset((strm), sizeof(struct inflate_state))
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#define INFLATE_PRIME_HOOK(strm, bits, value) \
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do { if (dfltcc_inflate_disable((strm))) return Z_STREAM_ERROR; } while (0)
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#define INFLATE_TYPEDO_HOOK(strm, flush) \
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if (dfltcc_can_inflate((strm))) { \
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dfltcc_inflate_action action; \
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\
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RESTORE(); \
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action = dfltcc_inflate((strm), (flush), &ret); \
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LOAD(); \
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if (action == DFLTCC_INFLATE_CONTINUE) \
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break; \
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else if (action == DFLTCC_INFLATE_BREAK) \
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goto inf_leave; \
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}
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#define INFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_inflate((strm)))
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#define INFLATE_NEED_UPDATEWINDOW(strm) (!dfltcc_can_inflate((strm)))
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#define INFLATE_MARK_HOOK(strm) \
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do { \
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if (dfltcc_was_inflate_used((strm))) return -(1L << 16); \
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} while (0)
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#endif
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