nodemcu-firmware/components/uzlib/uzlib.h

77 lines
1.9 KiB
C

/*
* uzlib - tiny deflate/inflate library (deflate, gzip, zlib)
*
* Copyright (c) 2003 by Joergen Ibsen / Jibz
* All Rights Reserved
* http://www.ibsensoftware.com/
*
* Copyright (c) 2014-2016 by Paul Sokolovsky
*/
#ifndef UZLIB_INFLATE_H
#define UZLIB_INFLATE_H
#include <setjmp.h>
#include <stdint.h>
#include <stdlib.h>
#define uz_malloc malloc
#define uz_free free
#if defined(CONFIG_IDF_TARGET)
#define UZLIB_THROW(v) longjmp(unwindAddr, (v))
#define UZLIB_SETJMP setjmp
#else /* Host */
extern int dbg_break(void);
#if defined(_MSC_VER) || defined(__MINGW32__) //msvc requires old name for longjmp
#define UZLIB_THROW(v) {dbg_break();longjmp(unwindAddr, (v));}
#define UZLIB_SETJMP(n) setjmp(n)
#else
#define UZLIB_THROW(v) {dbg_break();_longjmp(unwindAddr, (v));}
#define UZLIB_SETJMP(n) _setjmp(n)
#endif
#endif /* defined(__XTENSA__) */
extern jmp_buf unwindAddr;
/* ok status, more data produced */
#define UZLIB_OK 0
/* end of compressed stream reached */
#define UZLIB_DONE 1
#define UZLIB_DATA_ERROR (-3)
#define UZLIB_CHKSUM_ERROR (-4)
#define UZLIB_DICT_ERROR (-5)
#define UZLIB_MEMORY_ERROR (-6)
/* checksum types */
#define UZLIB_CHKSUM_NONE 0
#define UZLIB_CHKSUM_ADLER 1
#define UZLIB_CHKSUM_CRC 2
/* Gzip header codes */
#define UZLIB_FTEXT 1
#define UZLIB_FHCRC 2
#define UZLIB_FEXTRA 4
#define UZLIB_FNAME 8
#define UZLIB_FCOMMENT 16
/* Compression API */
typedef struct uzlib_data UZLIB_DATA;
int uzlib_inflate (uint8_t (*)(void), void (*)(uint8_t),
uint8_t (*)(uint32_t), uint32_t len, uint32_t *crc, void **state);
int uzlib_compress (uint8_t **dest, uint32_t *destLen,
const uint8_t *src, uint32_t srcLen);
/* Checksum API */
/* crc is previous value for incremental computation, 0xffffffff initially */
uint32_t uzlib_crc32(const void *data, uint32_t length, uint32_t crc);
#endif /* UZLIB_INFLATE_H */