/* LzmaLib.h -- LZMA library interface 2008-08-05 Igor Pavlov Public domain */ #ifndef __LZMALIB_H #define __LZMALIB_H #include "types.h" #ifdef __cplusplus #define MY_EXTERN_C extern "C" #else #define MY_EXTERN_C extern #endif #define MY_STDAPI MY_EXTERN_C int MY_STD_CALL #define LZMA_PROPS_SIZE 5 #if 0 /* RAM requirements for LZMA: for compression: (dictSize * 11.5 + 6 MB) + state_size for decompression: dictSize + state_size state_size = (4 + (1.5 << (lc + lp))) KB by default (lc=3, lp=0), state_size = 16 KB. LZMA properties (5 bytes) format Offset Size Description 0 1 lc, lp and pb in encoded form. 1 4 dictSize (little endian). */ /* LzmaCompress -------------- In: dest - output data destLen - output data size src - input data srcLen - input data size Out: destLen - processed output size srcLen - processed input size Returns: SZ_OK - OK SZ_ERROR_DATA - Data error SZ_ERROR_MEM - Memory allocation arror SZ_ERROR_UNSUPPORTED - Unsupported properties SZ_ERROR_INPUT_EOF - it needs more bytes in input buffer (src) */ MY_STDAPI LzmaCompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t srcLen); #endif /* LzmaUncompress -------------- In: dest - output data destLen - output data size src - input data srcLen - input data size Out: destLen - processed output size srcLen - processed input size Returns: SZ_OK - OK SZ_ERROR_DATA - Data error SZ_ERROR_MEM - Memory allocation arror SZ_ERROR_UNSUPPORTED - Unsupported properties SZ_ERROR_INPUT_EOF - it needs more bytes in input buffer (src) */ MY_STDAPI LzmaUncompress(unsigned char *dest, size_t *destLen, const unsigned char *src, size_t *srcLen); unsigned int LzmaUncompressLen(const unsigned char *src); unsigned char isLzmaCompressed(const unsigned char *src); #endif