/* LzmaLib.c -- LZMA library wrapper
 2008-08-05
 Igor Pavlov
 Public domain */

#include "LzmaEnc.h"
#include "LzmaDec.h"
#include "Alloc.h"
#include "LzmaLib.h"

static void *SzAlloc(void *p, size_t size) { p = p; return MyAlloc(size); }
static void SzFree(void *p, void *address) { p = p; MyFree(address); }
static ISzAlloc g_Alloc = { SzAlloc, SzFree };

MY_STDAPI LzmaCompress(unsigned char *dest, size_t  *destLen, const unsigned char *src, size_t  srcLen,
					   unsigned char *outProps, size_t *outPropsSize,
					   int level, /* 0 <= level <= 9, default = 5 */
					   unsigned dictSize, /* use (1 << N) or (3 << N). 4 KB < dictSize <= 128 MB */
					   int lc, /* 0 <= lc <= 8, default = 3  */
					   int lp, /* 0 <= lp <= 4, default = 0  */
					   int pb, /* 0 <= pb <= 4, default = 2  */
					   int fb,  /* 5 <= fb <= 273, default = 32 */
					   int numThreads /* 1 or 2, default = 2 */
)
{
	CLzmaEncProps props;
	LzmaEncProps_Init(&props);
	props.level = level;
	props.dictSize = dictSize;
	props.lc = lc;
	props.lp = lp;
	props.pb = pb;
	props.fb = fb;
	props.numThreads = numThreads;

	return LzmaEncode(dest, destLen, src, srcLen, &props, outProps, outPropsSize, 0,
					  NULL, &g_Alloc, &g_Alloc);
}


MY_STDAPI LzmaUncompress(unsigned char *dest, size_t  *destLen, const unsigned char *src, size_t  *srcLen,
						 const unsigned char *props, size_t propsSize)
{
	ELzmaStatus status;
	return LzmaDecode(dest, destLen, src, srcLen, props, (unsigned)propsSize, LZMA_FINISH_ANY, &status, &g_Alloc);
}
