/* LzmaLib.c -- LZMA library wrapper
   2023-04-02 : Igor Pavlov : Public domain */

#include "Precomp.h"

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

Z7_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);
}


Z7_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);
}
