upport extract and create nso

CMakeLists.txt

@@ -24,7 +24,7 @@ if(APPLE)
 endif()
 set(NSTOOL_MAJOR 1)
 set(NSTOOL_MINOR 0)
-set(NSTOOL_PATCHLEVEL 2)
+set(NSTOOL_PATCHLEVEL 3)
 if(NOT MSVC_IDE AND NOT XCODE_VERSION AND NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel." FORCE)
 endif()
@@ -72,7 +72,9 @@ if(WIN32)
 endif()
 if(UNIX OR MINGW)
   add_definitions(-D_FILE_OFFSET_BITS=64)
-  if(NOT APPLE)
+  if(APPLE)
+    add_definitions(-Wno-shift-overflow)
+  else()
     add_definitions(-Wno-multichar -Wno-unused-result)
   endif()
   set(CMAKE_INSTALL_RPATH .)

README.md

@@ -5,6 +5,7 @@
 - v1.0.0 @ 2018.07.01 - Support romfs
 - v1.0.1 @ 2018.08.27 - Support nso
 - v1.0.2 @ 2019.04.03 - Fix nso hash
+- v1.0.3 @ 2019.04.21 - Support extract and create nso
 
 ## Platforms
 

src/lz4.cpp

@@ -0,0 +1,49 @@
+#include "lz4.h"
+#include <lz4.h>
+
+u32 CLz4::GetCompressBoundSize(u32 a_uUncompressedSize)
+{
+	return LZ4_compressBound(a_uUncompressedSize);
+}
+
+bool CLz4::Uncompress(const u8* a_pCompressed, u32 a_uCompressedSize, u8* a_pUncompressed, u32& a_uUncompressedSize)
+{
+	bool bResult = true;
+	n32 nUncompressedSize = LZ4_decompress_safe(reinterpret_cast<const char*>(a_pCompressed), reinterpret_cast<char*>(a_pUncompressed), a_uCompressedSize, a_uUncompressedSize);
+	if (nUncompressedSize < 0)
+	{
+		bResult = false;
+	}
+	else
+	{
+		a_uUncompressedSize = nUncompressedSize;
+	}
+	return bResult;
+}
+
+bool CLz4::Compress(const u8* a_pUncompressed, u32 a_uUncompressedSize, u8* a_pCompressed, u32& a_uCompressedSize)
+{
+	bool bResult = true;
+	u32 uCompressedSize = LZ4_compressBound(a_uUncompressedSize);
+	if (uCompressedSize == 0)
+	{
+		bResult = false;
+	}
+	else
+	{
+		uCompressedSize = LZ4_compress_default(reinterpret_cast<const char*>(a_pUncompressed), reinterpret_cast<char*>(a_pCompressed), a_uUncompressedSize, a_uCompressedSize);
+		if (uCompressedSize == 0)
+		{
+			bResult = false;
+		}
+		else
+		{
+			a_uCompressedSize = uCompressedSize;
+		}
+	}
+	return bResult;
+}
+
+CLz4::CLz4()
+{
+}

src/lz4.h

@@ -0,0 +1,16 @@
+#ifndef LZ4_H_
+#define LZ4_H_
+
+#include <sdw.h>
+
+class CLz4
+{
+public:
+	static u32 GetCompressBoundSize(u32 a_uUncompressedSize);
+	static bool Uncompress(const u8* a_pCompressed, u32 a_uCompressedSize, u8* a_pUncompressed, u32& a_uUncompressedSize);
+	static bool Compress(const u8* a_pUncompressed, u32 a_uUncompressedSize, u8* a_pCompressed, u32& a_uCompressedSize);
+private:
+	CLz4();
+};
+
+#endif	// LZ4_H_