1 files changed, 42 insertions, 0 deletions
diff --git a/src/Common/lzma/LzmaLib.c b/src/Common/lzma/LzmaLib.c
new file mode 100644
index 00000000..785e8848
--- /dev/null
+++ b/src/Common/lzma/LzmaLib.c
@@ -0,0 +1,42 @@
+/* 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);
+}