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