75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* uzlib - tiny deflate/inflate library (deflate, gzip, zlib)
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*
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* Copyright (c) 2003 by Joergen Ibsen / Jibz
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* All Rights Reserved
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* http://www.ibsensoftware.com/
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*
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* Copyright (c) 2014-2016 by Paul Sokolovsky
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*/
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#ifndef UZLIB_INFLATE_H
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#define UZLIB_INFLATE_H
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#include <setjmp.h>
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#if defined(__XTENSA__)
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#include "c_stdint.h"
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#include "mem.h"
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#define UZLIB_THROW(v) longjmp(unwindAddr, (v))
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#define UZLIB_SETJMP setjmp
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#define uz_malloc os_malloc
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#define uz_free os_free
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#else /* POSIX */
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#include <stdint.h>
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#include <stdlib.h>
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extern int dbg_break(void);
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#define UZLIB_THROW(v) {dbg_break();_longjmp(unwindAddr, (v));}
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#define UZLIB_SETJMP _setjmp
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#define uz_malloc malloc
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#define uz_free free
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#endif
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extern jmp_buf unwindAddr;
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/* ok status, more data produced */
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#define UZLIB_OK 0
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/* end of compressed stream reached */
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#define UZLIB_DONE 1
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#define UZLIB_DATA_ERROR (-3)
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#define UZLIB_CHKSUM_ERROR (-4)
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#define UZLIB_DICT_ERROR (-5)
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#define UZLIB_MEMORY_ERROR (-6)
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/* checksum types */
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#define UZLIB_CHKSUM_NONE 0
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#define UZLIB_CHKSUM_ADLER 1
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#define UZLIB_CHKSUM_CRC 2
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/* Gzip header codes */
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#define UZLIB_FTEXT 1
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#define UZLIB_FHCRC 2
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#define UZLIB_FEXTRA 4
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#define UZLIB_FNAME 8
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#define UZLIB_FCOMMENT 16
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/* Compression API */
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typedef struct uzlib_data UZLIB_DATA;
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int uzlib_inflate (uint8_t (*)(void), void (*)(uint8_t),
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uint8_t (*)(uint32_t), uint32_t len, uint32_t *crc, void **state);
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int uzlib_compress (uint8_t **dest, uint32_t *destLen,
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const uint8_t *src, uint32_t srcLen);
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/* Checksum API */
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/* crc is previous value for incremental computation, 0xffffffff initially */
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uint32_t uzlib_crc32(const void *data, uint32_t length, uint32_t crc);
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#endif /* UZLIB_INFLATE_H */
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