update

src/slic3r/Utils/minilzo_extension.cpp

@@ -0,0 +1,54 @@
+#include <exception>
+#include <stdio.h>
+#include <stdlib.h>
+#include "minilzo_extension.hpp"
+#include "minilzo/minilzo.h"
+
+static unsigned char wrkmem[LZO1X_1_MEM_COMPRESS];
+
+static bool initialized = false;
+
+namespace Slic3r {
+
+int lzo_compress(unsigned char *in, uint64_t in_len, unsigned char* out, uint64_t* out_len)
+{
+	int result = 0;
+	if (!initialized) {
+		if (lzo_init() != LZO_E_OK)
+			return LZO_E_ERROR;
+		else
+			initialized = true;
+	}
+
+	lzo_uint lzo_out_len = *out_len;
+	result = lzo1x_1_compress(in, in_len, out, &lzo_out_len, wrkmem);
+	if (result == LZO_E_OK) {
+		*out_len = lzo_out_len;
+		return 0;
+	}
+	
+	return result;
+}
+
+
+int lzo_decompress(unsigned char *in, uint64_t in_len, unsigned char* out, uint64_t* out_len)
+{
+	int result = 0;
+	if (!initialized) {
+		if (lzo_init() != LZO_E_OK)
+			return LZO_E_ERROR;
+		else
+			initialized = true;
+	}
+
+	lzo_uint lzo_out_len = *out_len;
+	result = lzo1x_decompress(in, in_len, out, &lzo_out_len, NULL);
+	if (result == LZO_E_OK) {
+		*out_len = lzo_out_len;
+		return 0;
+	}
+	
+	return result;
+}
+
+} // namespace Slic3r