libretro sync

.gitignore

@@ -12,3 +12,4 @@ sdl/gen_sdl2
 sdl/build_sdl
 sdl/build_sdl2
 
+/libretro/msvc/msvc-2017/msvc-2017.vcxproj.user

Makefile.libretro

@@ -6,6 +6,15 @@ HAVE_SYS_PARAM = 1
 
 CORE_DIR := .
 
+SPACE :=
+SPACE := $(SPACE) $(SPACE)
+BACKSLASH :=
+BACKSLASH := \$(BACKSLASH)
+filter_out1 = $(filter-out $(firstword $1),$1)
+filter_out2 = $(call filter_out1,$(call filter_out1,$1))
+unixpath = $(subst \,/,$1)
+unixcygpath = /$(subst :,,$(call unixpath,$1))
+
 # system platform
 ifeq ($(platform),)
    platform = unix
@@ -223,6 +232,14 @@ else ifneq (,$(filter $(platform), ngc wii wiiu))
       PLATFORM_DEFINES += -DHW_DOL -mrvl
    endif
 
+# Nintendo Switch (libtransistor)
+else ifeq ($(platform), switch)
+   TARGET := $(TARGET_NAME)_libretro_$(platform).a
+   include $(LIBTRANSISTOR_HOME)/libtransistor.mk
+   CFLAGS += -fomit-frame-pointer -ffast-math
+   STATIC_LINKING=1
+   STATIC_LINKING_LINK=1
+
 # emscripten
 else ifeq ($(platform), emscripten)
    TARGET := $(TARGET_NAME)_libretro_$(platform).bc
@@ -243,13 +260,14 @@ else ifeq ($(platform), gcw0)
 # Windows MSVC 2003 Xbox 1
 else ifeq ($(platform), xbox1_msvc2003)
 TARGET := $(TARGET_NAME)_libretro_xdk1.lib
-MSVCBINDIRPREFIX = $(XDK)/xbox/bin/vc71
+CC  = CL.exe
-CC  = "$(MSVCBINDIRPREFIX)/CL.exe"
+CXX  = CL.exe
-CXX  = "$(MSVCBINDIRPREFIX)/CL.exe"
+LD   = lib.exe
-LD   = "$(MSVCBINDIRPREFIX)/lib.exe"
 
 export INCLUDE := $(XDK)/xbox/include
 export LIB := $(XDK)/xbox/lib
+PATH := $(call unixcygpath,$(XDK)/xbox/bin/vc71):$(PATH)
+
 ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
 PSS_STYLE :=2
 CFLAGS   += -D_XBOX -D_XBOX1
@@ -282,23 +300,115 @@ HAVE_SYS_PARAM = 0
 
 PATH := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/bin/amd64"):$(PATH)
 PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../IDE")
-LIB := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/lib/amd64")
+LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS100COMNTOOLS)../../VC/lib/amd64")
-INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/include")
+INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VS100COMNTOOLS)../../VC/include")
 
-WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib/x64
+WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')
-WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib/x64
+WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')
-
-WindowsSdkDirInc := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
-WindowsSdkDirInc ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
 
+WindowsSdkDirInc := $(WindowsSdkDir)Include
+WindowsSdkDirInc ?= $(WindowsSdkDir)Include
 
 INCFLAGS_PLATFORM = -I"$(WindowsSdkDirInc)"
 export INCLUDE := $(INCLUDE)
-export LIB := $(LIB);$(WindowsSdkDir)
+export LIB := $(LIB);$(WindowsSdkDir)\Lib\x64
 TARGET := $(TARGET_NAME)_libretro.dll
 PSS_STYLE :=2
 LDFLAGS += -DLL
 LIBS =
+
+# Windows MSVC 2017 all architectures
+else ifneq (,$(findstring windows_msvc2017,$(platform)))
+    
+	PlatformSuffix = $(subst windows_msvc2017_,,$(platform))
+	ifneq (,$(findstring desktop,$(PlatformSuffix)))
+		WinPartition = desktop
+		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -FS
+		LDFLAGS += -MANIFEST -LTCG:incremental -NXCOMPAT -DYNAMICBASE -DEBUG -OPT:REF -INCREMENTAL:NO -SUBSYSTEM:WINDOWS -MANIFESTUAC:"level='asInvoker' uiAccess='false'" -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1
+		LIBS := kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib
+	else ifneq (,$(findstring uwp,$(PlatformSuffix)))
+		WinPartition = uwp
+		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WINDLL -D_UNICODE -DUNICODE -D__WRL_NO_DEFAULT_LIB__ -EHsc -FS
+		LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -LTCG -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
+		LIBS := WindowsApp.lib
+	endif
+
+	CFLAGS += $(MSVC2017CompileFlags)
+	CXXFLAGS += $(MSVC2017CompileFlags)
+
+	TargetArchMoniker = $(subst $(WinPartition)_,,$(PlatformSuffix))
+
+	CC  = cl.exe
+	CXX = cl.exe
+	LD = link.exe
+
+    HAVE_SYS_PARAM = 0
+
+	reg_query = $(call filter_out2,$(subst $2,,$(shell reg query "$2" -v "$1" 2>nul)))
+	fix_path = $(subst $(SPACE),\ ,$(subst \,/,$1))
+
+	ProgramFiles86w := $(shell cmd /c "echo %PROGRAMFILES(x86)%")
+	ProgramFiles86 := $(shell cygpath "$(ProgramFiles86w)")
+
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir := $(WindowsSdkDir)
+
+	WindowsSDKVersion ?= $(firstword $(foreach folder,$(subst $(subst \,/,$(WindowsSdkDir)Include/),,$(wildcard $(call fix_path,$(WindowsSdkDir)Include\*))),$(if $(wildcard $(call fix_path,$(WindowsSdkDir)Include/$(folder)/um/Windows.h)),$(folder),)))$(BACKSLASH)
+	WindowsSDKVersion := $(WindowsSDKVersion)
+
+	VsInstallBuildTools = $(ProgramFiles86)/Microsoft Visual Studio/2017/BuildTools
+	VsInstallEnterprise = $(ProgramFiles86)/Microsoft Visual Studio/2017/Enterprise
+	VsInstallProfessional = $(ProgramFiles86)/Microsoft Visual Studio/2017/Professional
+	VsInstallCommunity = $(ProgramFiles86)/Microsoft Visual Studio/2017/Community
+
+	VsInstallRoot ?= $(shell if [ -d "$(VsInstallBuildTools)" ]; then echo "$(VsInstallBuildTools)"; fi)
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallEnterprise)" ]; then echo "$(VsInstallEnterprise)"; fi)
+	endif
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallProfessional)" ]; then echo "$(VsInstallProfessional)"; fi)
+	endif
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallCommunity)" ]; then echo "$(VsInstallCommunity)"; fi)
+	endif
+	VsInstallRoot := $(VsInstallRoot)
+
+	VcCompilerToolsVer := $(shell cat "$(VsInstallRoot)/VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt" | grep -o '[0-9\.]*')
+	VcCompilerToolsDir := $(VsInstallRoot)/VC/Tools/MSVC/$(VcCompilerToolsVer)
+
+	WindowsSDKSharedIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\shared")
+	WindowsSDKUCRTIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\ucrt")
+	WindowsSDKUMIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\um")
+	WindowsSDKUCRTLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\ucrt\$(TargetArchMoniker)")
+	WindowsSDKUMLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\um\$(TargetArchMoniker)")
+
+	# For some reason the HostX86 compiler doesn't like compiling for x64
+	# ("no such file" opening a shared library), and vice-versa.
+	# Work around it for now by using the strictly x86 compiler for x86, and x64 for x64.
+	# NOTE: What about ARM?
+	ifneq (,$(findstring x64,$(TargetArchMoniker)))
+		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX64
+	else
+		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX86
+	endif
+
+	PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)/$(TargetArchMoniker)"):$(PATH)
+	PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")
+	INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")
+	LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/lib/$(TargetArchMoniker)")
+	ifneq (,$(findstring uwp,$(PlatformSuffix)))
+		LIB := $(shell IFS=$$'\n'; cygpath -w "$(LIB)/store")
+	endif
+    
+	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
+	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir)
+	TARGET := $(TARGET_NAME)_libretro.dll
+	PSS_STYLE :=2
+	LDFLAGS += -DLL
+
 # Windows MSVC 2010 x86
 else ifeq ($(platform), windows_msvc2010_x86)
 	CC  = cl.exe
@@ -309,18 +419,17 @@ else ifeq ($(platform), windows_msvc2010_x86)
 PATH := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/bin"):$(PATH)
 PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../IDE")
 LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS100COMNTOOLS)../../VC/lib")
-INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/include")
+INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VS100COMNTOOLS)../../VC/include")
 
-WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib
+WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')
-WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib
+WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')
-
-WindowsSdkDirInc := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
-WindowsSdkDirInc ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
  
+WindowsSdkDirInc := $(WindowsSdkDir)Include
+WindowsSdkDirInc ?= $(WindowsSdkDir)Include
 
 INCFLAGS_PLATFORM = -I"$(WindowsSdkDirInc)"
 export INCLUDE := $(INCLUDE)
-export LIB := $(LIB);$(WindowsSdkDir)
+export LIB := $(LIB);$(WindowsSdkDir)\Lib
 TARGET := $(TARGET_NAME)_libretro.dll
 PSS_STYLE :=2
 LDFLAGS += -DLL
@@ -347,6 +456,29 @@ PSS_STYLE :=2
 LDFLAGS += -DLL
 CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
 LIBS =
+
+# Windows MSVC 2003 x86
+else ifeq ($(platform), windows_msvc2003_x86)
+	CC  = cl.exe
+	CXX = cl.exe
+
+PATH := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/bin"):$(PATH)
+PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../IDE")
+INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/include")
+LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS71COMNTOOLS)../../Vc7/lib")
+BIN := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/bin")
+
+WindowsSdkDir := $(INETSDK)
+
+export INCLUDE := $(INCLUDE);$(INETSDK)/Include;src/drivers/libretro/msvc/msvc-2005
+export LIB := $(LIB);$(WindowsSdkDir);$(INETSDK)/Lib
+TARGET := $(TARGET_NAME)_libretro.dll
+PSS_STYLE :=2
+LDFLAGS += -DLL
+HAVE_SYS_PARAM = 0
+CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
+   LIBS =
+
 # Windows
 else
    TARGET := $(TARGET_NAME)_libretro.dll
@@ -494,3 +626,6 @@ clean:
 
 .PHONY: clean clean-objs
 endif
+
+print-%:
+	@echo '$*=$($*)'

appveyor.yml

@@ -0,0 +1,31 @@
+version: 0.1.{build}
+
+image: Visual Studio 2017
+
+environment:
+  matrix:
+  - generator: "Visual Studio 15"
+    config: Release
+    platform: x86
+    arch: win32
+    output: win32\genesis_plus_gx_libretro.dll
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+
+  - generator: "Visual Studio 15"
+    config: Release
+    platform: x64
+    arch: win32-x64
+    output: win32\genesis_plus_gx_libretro.dll
+    APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+
+init:
+  - git config --global core.autocrlf input
+
+before_build:
+  - git submodule update --init --recursive
+
+build_script:
+  - msbuild libretro\msvc\msvc-2017.sln /t:build /p:Configuration="%config%";Platform="%platform%" /m /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
+
+artifacts:
+  - path: 'libretro\**\*.dll'

libretro/Makefile.common

@@ -56,7 +56,11 @@ SOURCES_C += $(foreach dir,$(GENPLUS_SRC_DIR),$(wildcard $(dir)/*.c))
 ifneq ($(STATIC_LINKING), 1)
 SOURCES_C += \
 				 $(LIBRETRO_COMM_DIR)/streams/file_stream.c \
-				 $(LIBRETRO_COMM_DIR)/streams/file_stream_transforms.c
+				 $(LIBRETRO_COMM_DIR)/streams/file_stream_transforms.c \
+				 $(LIBRETRO_COMM_DIR)/compat/fopen_utf8.c \
+				 $(LIBRETRO_COMM_DIR)/compat/compat_strl.c \
+				 $(LIBRETRO_COMM_DIR)/encodings/encoding_utf.c \
+				 $(LIBRETRO_COMM_DIR)/vfs/vfs_implementation.c
 
 SOURCES_C += $(CHDLIBDIR)/deps/zlib/adler32.c \
 				 $(CHDLIBDIR)/deps/zlib/inffast.c \

libretro/jni/Android.mk

@@ -1,40 +1,29 @@
 LOCAL_PATH := $(call my-dir)
 
-include $(CLEAR_VARS)
+CORE_DIR       := $(LOCAL_PATH)/../..
-
+TREMOR_SRC_DIR := $(CORE_DIR)/core/tremor
-GIT_VERSION ?= " $(shell git rev-parse --short HEAD || echo unknown)"
-ifneq ($(GIT_VERSION)," unknown")
-	LOCAL_CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
-endif
 
+SOURCES_C  :=
 WANT_CRC32 := 1
 HAVE_CHD   := 1
 
-CORE_DIR := ../..
+include $(CORE_DIR)/libretro/Makefile.common
 
-TREMOR_SRC_DIR	:= $(CORE_DIR)/core/tremor
+COREFLAGS := -ffast-math -funroll-loops -DINLINE="static inline" -DUSE_LIBTREMOR -DUSE_16BPP_RENDERING -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN -D__LIBRETRO__ -DFRONTEND_SUPPORTS_RGB565 -DALIGN_LONG -DALIGN_WORD -DM68K_OVERCLOCK_SHIFT=20 -DZ80_OVERCLOCK_SHIFT=20 -DUSE_LIBCHDR -DPACKAGE_VERSION=\"1.3.2\" -DFLAC_API_EXPORTS -DFLAC__HAS_OGG=0 -DHAVE_LROUND -DHAVE_STDINT_H -D_7ZIP_ST -DHAVE_SYS_PARAM_H $(INCFLAGS)
-LIBRETRO_DIR	:= ..
-
-LOCAL_MODULE    := retro
 
 ifeq ($(TARGET_ARCH),arm)
-LOCAL_CFLAGS += -DANDROID_ARM -D_ARM_ASSEM_
+  COREFLAGS += -D_ARM_ASSEM_
-LOCAL_ARM_MODE := arm
 endif
 
-include $(LIBRETRO_DIR)/Makefile.common
+GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
+ifneq ($(GIT_VERSION)," unknown")
+  COREFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
+endif
 
+include $(CLEAR_VARS)
+LOCAL_MODULE    := retro
 LOCAL_SRC_FILES := $(SOURCES_C)
-
+LOCAL_CFLAGS    := $(COREFLAGS)
-LOCAL_C_INCLUDES = $(foreach dir,$(GENPLUS_SRC_DIR),$(LOCAL_PATH)/$(dir)) \
+LOCAL_LDFLAGS   := -Wl,-version-script=$(LIBRETRO_DIR)/link.T
-			$(CORE_DIR)/libretro/libretro-common/include \
+LOCAL_ARM_MODE  := arm
-			$(LOCAL_PATH)/$(TREMOR_SRC_DIR) \
-			$(LOCAL_PATH)/$(LIBRETRO_DIR) \
-			$(CHDLIBDIR)/src \
-			$(CHDLIBDIR)/deps/libFLAC/include \
-			$(CHDLIBDIR)/deps/lzma \
-			$(CHDLIBDIR)/deps/zlib
-
-LOCAL_CFLAGS += -ffast-math -O2 -funroll-loops -DINLINE="static inline" -DUSE_LIBTREMOR -DUSE_16BPP_RENDERING -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN -D__LIBRETRO__ -DFRONTEND_SUPPORTS_RGB565 -DALIGN_LONG -DALIGN_WORD -DM68K_OVERCLOCK_SHIFT=20 -DZ80_OVERCLOCK_SHIFT=20 -DUSE_LIBCHDR -DPACKAGE_VERSION=\"1.3.2\" -DFLAC_API_EXPORTS -DFLAC__HAS_OGG=0 -DHAVE_LROUND -DHAVE_STDINT_H -D_7ZIP_ST -DHAVE_SYS_PARAM_H
-
 include $(BUILD_SHARED_LIBRARY)

libretro/libretro-common/compat/compat_strl.c

@@ -0,0 +1,69 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (compat_strl.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <ctype.h>
+
+#include <compat/strl.h>
+
+/* Implementation of strlcpy()/strlcat() based on OpenBSD. */
+
+#ifndef __MACH__
+
+size_t strlcpy(char *dest, const char *source, size_t size)
+{
+   size_t src_size = 0;
+   size_t        n = size;
+
+   if (n)
+      while (--n && (*dest++ = *source++)) src_size++;
+
+   if (!n)
+   {
+      if (size) *dest = '\0';
+      while (*source++) src_size++;
+   }
+
+   return src_size;
+}
+
+size_t strlcat(char *dest, const char *source, size_t size)
+{
+   size_t len = strlen(dest);
+
+   dest += len;
+
+   if (len > size)
+      size = 0;
+   else
+      size -= len;
+
+   return len + strlcpy(dest, source, size);
+}
+#endif
+
+char *strldup(const char *s, size_t n)
+{
+   char *dst = (char*)malloc(sizeof(char) * (n + 1));
+   strlcpy(dst, s, n);
+   return dst;
+}

libretro/libretro-common/compat/fopen_utf8.c

@@ -0,0 +1,60 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (fopen_utf8.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <compat/fopen_utf8.h>
+#include <encodings/utf.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500 || defined(_XBOX)
+#ifndef LEGACY_WIN32
+#define LEGACY_WIN32
+#endif
+#endif
+
+#ifdef _WIN32
+#undef fopen
+
+void *fopen_utf8(const char * filename, const char * mode)
+{
+#if defined(_XBOX)
+   return fopen(filename, mode);
+#elif defined(LEGACY_WIN32)
+   FILE             *ret = NULL;
+   char * filename_local = utf8_to_local_string_alloc(filename);
+
+   if (!filename_local)
+      return NULL;
+   ret = fopen(filename_local, mode);
+   if (filename_local)
+      free(filename_local);
+   return ret;
+#else
+   wchar_t * filename_w = utf8_to_utf16_string_alloc(filename);
+   wchar_t * mode_w = utf8_to_utf16_string_alloc(mode);
+   FILE* ret = _wfopen(filename_w, mode_w);
+   free(filename_w);
+   free(mode_w);
+   return ret;
+#endif
+}
+#endif

libretro/libretro-common/encodings/encoding_utf.c

@@ -0,0 +1,516 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (encoding_utf.c).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <boolean.h>
+#include <compat/strl.h>
+#include <retro_inline.h>
+
+#include <encodings/utf.h>
+
+#if defined(_WIN32) && !defined(_XBOX)
+#include <windows.h>
+#elif defined(_XBOX)
+#include <xtl.h>
+#endif
+
+static unsigned leading_ones(uint8_t c)
+{
+   unsigned ones = 0;
+   while (c & 0x80)
+   {
+      ones++;
+      c <<= 1;
+   }
+
+   return ones;
+}
+
+/* Simple implementation. Assumes the sequence is
+ * properly synchronized and terminated. */
+
+size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
+      const char *in, size_t in_size)
+{
+   unsigned i;
+   size_t ret = 0;
+   while (in_size && out_chars)
+   {
+      unsigned extra, shift;
+      uint32_t c;
+      uint8_t first = *in++;
+      unsigned ones = leading_ones(first);
+
+      if (ones > 6 || ones == 1) /* Invalid or desync. */
+         break;
+
+      extra = ones ? ones - 1 : ones;
+      if (1 + extra > in_size) /* Overflow. */
+         break;
+
+      shift = (extra - 1) * 6;
+      c     = (first & ((1 << (7 - ones)) - 1)) << (6 * extra);
+
+      for (i = 0; i < extra; i++, in++, shift -= 6)
+         c |= (*in & 0x3f) << shift;
+
+      *out++ = c;
+      in_size -= 1 + extra;
+      out_chars--;
+      ret++;
+   }
+
+   return ret;
+}
+
+bool utf16_conv_utf8(uint8_t *out, size_t *out_chars,
+     const uint16_t *in, size_t in_size)
+{
+   static uint8_t kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+   size_t out_pos = 0;
+   size_t in_pos  = 0;
+
+   for (;;)
+   {
+      unsigned numAdds;
+      uint32_t value;
+
+      if (in_pos == in_size)
+      {
+         *out_chars = out_pos;
+         return true;
+      }
+      value = in[in_pos++];
+      if (value < 0x80)
+      {
+         if (out)
+            out[out_pos] = (char)value;
+         out_pos++;
+         continue;
+      }
+
+      if (value >= 0xD800 && value < 0xE000)
+      {
+         uint32_t c2;
+
+         if (value >= 0xDC00 || in_pos == in_size)
+            break;
+         c2 = in[in_pos++];
+         if (c2 < 0xDC00 || c2 >= 0xE000)
+            break;
+         value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
+      }
+
+      for (numAdds = 1; numAdds < 5; numAdds++)
+         if (value < (((uint32_t)1) << (numAdds * 5 + 6)))
+            break;
+      if (out)
+         out[out_pos] = (char)(kUtf8Limits[numAdds - 1]
+               + (value >> (6 * numAdds)));
+      out_pos++;
+      do
+      {
+         numAdds--;
+         if (out)
+            out[out_pos] = (char)(0x80
+                  + ((value >> (6 * numAdds)) & 0x3F));
+         out_pos++;
+      }while (numAdds != 0);
+   }
+
+   *out_chars = out_pos;
+   return false;
+}
+
+/* Acts mostly like strlcpy.
+ *
+ * Copies the given number of UTF-8 characters,
+ * but at most d_len bytes.
+ *
+ * Always NULL terminates.
+ * Does not copy half a character.
+ *
+ * Returns number of bytes. 's' is assumed valid UTF-8.
+ * Use only if 'chars' is considerably less than 'd_len'. */
+size_t utf8cpy(char *d, size_t d_len, const char *s, size_t chars)
+{
+   const uint8_t *sb     = (const uint8_t*)s;
+   const uint8_t *sb_org = sb;
+
+   if (!s)
+      return 0;
+
+   while (*sb && chars-- > 0)
+   {
+      sb++;
+      while ((*sb & 0xC0) == 0x80) sb++;
+   }
+
+   if ((size_t)(sb - sb_org) > d_len-1 /* NUL */)
+   {
+      sb = sb_org + d_len-1;
+      while ((*sb & 0xC0) == 0x80) sb--;
+   }
+
+   memcpy(d, sb_org, sb-sb_org);
+   d[sb-sb_org] = '\0';
+
+   return sb-sb_org;
+}
+
+const char *utf8skip(const char *str, size_t chars)
+{
+   const uint8_t *strb = (const uint8_t*)str;
+   if (!chars)
+      return str;
+   do
+   {
+      strb++;
+      while ((*strb & 0xC0)==0x80) strb++;
+      chars--;
+   } while(chars);
+   return (const char*)strb;
+}
+
+size_t utf8len(const char *string)
+{
+   size_t ret = 0;
+
+   if (!string)
+      return 0;
+
+   while (*string)
+   {
+      if ((*string & 0xC0) != 0x80)
+         ret++;
+      string++;
+   }
+   return ret;
+}
+
+static uint8_t utf8_walkbyte(const char **string)
+{
+   return *((*string)++);
+}
+
+/* Does not validate the input, returns garbage if it's not UTF-8. */
+uint32_t utf8_walk(const char **string)
+{
+   uint8_t first = utf8_walkbyte(string);
+   uint32_t ret  = 0;
+
+   if (first < 128)
+      return first;
+
+   ret    = (ret << 6) | (utf8_walkbyte(string) & 0x3F);
+   if (first >= 0xE0)
+      ret = (ret << 6) | (utf8_walkbyte(string) & 0x3F);
+   if (first >= 0xF0)
+      ret = (ret << 6) | (utf8_walkbyte(string) & 0x3F);
+
+   if (first >= 0xF0)
+      return ret | (first & 7) << 18;
+   if (first >= 0xE0)
+      return ret | (first & 15) << 12;
+   return ret | (first & 31) << 6;
+}
+
+static bool utf16_to_char(uint8_t **utf_data,
+      size_t *dest_len, const uint16_t *in)
+{
+   unsigned len    = 0;
+
+   while (in[len] != '\0')
+      len++;
+
+   utf16_conv_utf8(NULL, dest_len, in, len);
+   *dest_len  += 1;
+   *utf_data   = (uint8_t*)malloc(*dest_len);
+   if (*utf_data == 0)
+      return false;
+
+   return utf16_conv_utf8(*utf_data, dest_len, in, len);
+}
+
+bool utf16_to_char_string(const uint16_t *in, char *s, size_t len)
+{
+   size_t     dest_len  = 0;
+   uint8_t *utf16_data  = NULL;
+   bool            ret  = utf16_to_char(&utf16_data, &dest_len, in);
+
+   if (ret)
+   {
+      utf16_data[dest_len] = 0;
+      strlcpy(s, (const char*)utf16_data, len);
+   }
+
+   free(utf16_data);
+   utf16_data = NULL;
+
+   return ret;
+}
+
+/* Returned pointer MUST be freed by the caller if non-NULL. */
+static char* mb_to_mb_string_alloc(const char *str,
+      enum CodePage cp_in, enum CodePage cp_out)
+{
+   char *path_buf         = NULL;
+   wchar_t *path_buf_wide = NULL;
+   int path_buf_len       = 0;
+   int path_buf_wide_len  = 0;
+
+   if (!str || !*str)
+      return NULL;
+
+   (void)path_buf;
+   (void)path_buf_wide;
+   (void)path_buf_len;
+   (void)path_buf_wide_len;
+
+#if !defined(_WIN32) || defined(_XBOX)
+   /* assume string needs no modification if not on Windows */
+   return strdup(str);
+#else
+#ifdef UNICODE
+   /* TODO/FIXME: Not implemented. */
+   return strdup(str);
+#else
+
+   /* Windows 95 will return 0 from these functions with a UTF8 codepage set without MSLU. From an unknown MSDN version (others omit this info):
+    *   - CP_UTF8 Windows 98/Me, Windows NT 4.0 and later: Translate using UTF-8. When this is set, dwFlags must be zero.
+    *   - Windows 95: Under the Microsoft Layer for Unicode, MultiByteToWideChar also supports CP_UTF7 and CP_UTF8.
+    */
+   path_buf_wide_len = MultiByteToWideChar(cp_in, 0, str, -1, NULL, 0);
+
+   if (path_buf_wide_len)
+   {
+      path_buf_wide = (wchar_t*)
+         calloc(path_buf_wide_len + sizeof(wchar_t), sizeof(wchar_t));
+
+      if (path_buf_wide)
+      {
+         MultiByteToWideChar(cp_in, 0,
+               str, -1, path_buf_wide, path_buf_wide_len);
+
+         if (*path_buf_wide)
+         {
+            path_buf_len = WideCharToMultiByte(cp_out, 0,
+                  path_buf_wide, -1, NULL, 0, NULL, NULL);
+
+            if (path_buf_len)
+            {
+               path_buf = (char*)
+                  calloc(path_buf_len + sizeof(char), sizeof(char));
+
+               if (path_buf)
+               {
+                  WideCharToMultiByte(cp_out, 0,
+                        path_buf_wide, -1, path_buf,
+                        path_buf_len, NULL, NULL);
+
+                  free(path_buf_wide);
+
+                  if (*path_buf)
+                     return path_buf;
+
+                  free(path_buf);
+                  return NULL;
+               }
+            }
+            else
+            {
+               free(path_buf_wide);
+               return strdup(str);
+            }
+         }
+      }
+   }
+   else
+      return strdup(str);
+
+   if (path_buf_wide)
+      free(path_buf_wide);
+
+   return NULL;
+#endif
+#endif
+}
+
+/* Returned pointer MUST be freed by the caller if non-NULL. */
+char* utf8_to_local_string_alloc(const char *str)
+{
+   return mb_to_mb_string_alloc(str, CODEPAGE_UTF8, CODEPAGE_LOCAL);
+}
+
+/* Returned pointer MUST be freed by the caller if non-NULL. */
+char* local_to_utf8_string_alloc(const char *str)
+{
+   return mb_to_mb_string_alloc(str, CODEPAGE_LOCAL, CODEPAGE_UTF8);
+}
+
+/* Returned pointer MUST be freed by the caller if non-NULL. */
+wchar_t* utf8_to_utf16_string_alloc(const char *str)
+{
+#ifdef _WIN32
+   int len = 0;
+   int out_len = 0;
+#else
+   size_t len = 0;
+   size_t out_len = 0;
+#endif
+   wchar_t *buf = NULL;
+
+   if (!str || !*str)
+      return NULL;
+
+#ifdef _WIN32
+   len = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
+
+   if (len)
+   {
+      buf = (wchar_t*)calloc(len, sizeof(wchar_t));
+
+      if (!buf)
+         return NULL;
+
+      out_len = MultiByteToWideChar(CP_UTF8, 0, str, -1, buf, len);
+   }
+   else
+   {
+      /* fallback to ANSI codepage instead */
+      len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
+
+      if (len)
+      {
+         buf = (wchar_t*)calloc(len, sizeof(wchar_t));
+
+         if (!buf)
+            return NULL;
+
+         out_len = MultiByteToWideChar(CP_ACP, 0, str, -1, buf, len);
+      }
+   }
+
+   if (out_len < 0)
+   {
+      free(buf);
+      return NULL;
+   }
+#else
+   /* NOTE: For now, assume non-Windows platforms' locale is already UTF-8. */
+   len = mbstowcs(NULL, str, 0) + 1;
+
+   if (len)
+   {
+      buf = (wchar_t*)calloc(len, sizeof(wchar_t));
+
+      if (!buf)
+         return NULL;
+
+      out_len = mbstowcs(buf, str, len);
+   }
+
+   if (out_len == (size_t)-1)
+   {
+      free(buf);
+      return NULL;
+   }
+#endif
+
+   return buf;
+}
+
+/* Returned pointer MUST be freed by the caller if non-NULL. */
+char* utf16_to_utf8_string_alloc(const wchar_t *str)
+{
+#ifdef _WIN32
+   int len = 0;
+   int out_len = 0;
+#else
+   size_t len = 0;
+   size_t out_len = 0;
+#endif
+   char *buf = NULL;
+
+   if (!str || !*str)
+      return NULL;
+
+#ifdef _WIN32
+   len = WideCharToMultiByte(CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
+
+   if (len)
+   {
+      buf = (char*)calloc(len, sizeof(char));
+
+      if (!buf)
+         return NULL;
+
+      out_len = WideCharToMultiByte(CP_UTF8, 0, str, -1, buf, len, NULL, NULL);
+   }
+   else
+   {
+      /* fallback to ANSI codepage instead */
+      len = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
+
+      if (len)
+      {
+         buf = (char*)calloc(len, sizeof(char));
+
+         if (!buf)
+            return NULL;
+
+         out_len = WideCharToMultiByte(CP_ACP, 0, str, -1, buf, len, NULL, NULL);
+      }
+   }
+
+   if (out_len < 0)
+   {
+      free(buf);
+      return NULL;
+   }
+#else
+   /* NOTE: For now, assume non-Windows platforms' locale is already UTF-8. */
+   len = wcstombs(NULL, str, 0) + 1;
+
+   if (len)
+   {
+      buf = (char*)calloc(len, sizeof(char));
+
+      if (!buf)
+         return NULL;
+
+      out_len = wcstombs(buf, str, len);
+   }
+
+   if (out_len == (size_t)-1)
+   {
+      free(buf);
+      return NULL;
+   }
+#endif
+
+   return buf;
+}

libretro/libretro-common/include/boolean.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (boolean.h).
@@ -25,7 +25,7 @@
 
 #ifndef __cplusplus
 
-#if defined(_MSC_VER) && !defined(SN_TARGET_PS3)
+#if defined(_MSC_VER) && _MSC_VER < 1800 && !defined(SN_TARGET_PS3)
 /* Hack applied for MSVC when compiling in C89 mode as it isn't C99 compliant. */
 #define bool unsigned char
 #define true 1

libretro/libretro-common/include/compat/apple_compat.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (apple_compat.h).

libretro/libretro-common/include/compat/fnmatch.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (fnmatch.h).

libretro/libretro-common/include/compat/fopen_utf8.h

@@ -0,0 +1,34 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (fopen_utf8.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __LIBRETRO_SDK_COMPAT_FOPEN_UTF8_H
+#define __LIBRETRO_SDK_COMPAT_FOPEN_UTF8_H
+
+#ifdef _WIN32
+/* Defined to error rather than fopen_utf8, to make it clear to everyone reading the code that not worrying about utf16 is fine */
+/* TODO: enable */
+/* #define fopen (use fopen_utf8 instead) */
+void *fopen_utf8(const char * filename, const char * mode);
+#else
+#define fopen_utf8 fopen
+#endif
+#endif

libretro/libretro-common/include/compat/getopt.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (getopt.h).

libretro/libretro-common/include/compat/intrinsics.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (intrinsics.h).
@@ -61,7 +61,7 @@ static INLINE int compat_ctz(unsigned x)
 {
 #if defined(__GNUC__) && !defined(RARCH_CONSOLE)
    return __builtin_ctz(x);
-#elif _MSC_VER >= 1400
+#elif _MSC_VER >= 1400 && !defined(_XBOX)
    unsigned long r = 0;
    _BitScanReverse((unsigned long*)&r, x);
    return (int)r;

libretro/libretro-common/include/compat/msvc.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (msvc.h).
@@ -86,9 +86,33 @@ typedef int ssize_t;
 #pragma warning(disable : 4723)
 #pragma warning(disable : 4996)
 
-/* roundf is available since MSVC 2013 */
+/* roundf and va_copy is available since MSVC 2013 */
 #if _MSC_VER < 1800
 #define roundf(in) (in >= 0.0f ? floorf(in + 0.5f) : ceilf(in - 0.5f))
+#define va_copy(x, y) ((x) = (y))
+#endif
+
+#if _MSC_VER <= 1310
+   #ifndef __cplusplus
+      /* VC6 math.h doesn't define some functions when in C mode.
+       * Trying to define a prototype gives "undefined reference".
+       * But providing an implementation then gives "function already has body".
+       * So the equivalent of the implementations from math.h are used as
+       * defines here instead, and it seems to work.
+       */
+      #define cosf(x) ((float)cos((double)x))
+      #define powf(x, y) ((float)pow((double)x, (double)y))
+      #define sinf(x) ((float)sin((double)x))
+      #define ceilf(x) ((float)ceil((double)x))
+      #define floorf(x) ((float)floor((double)x))
+      #define sqrtf(x) ((float)sqrt((double)x))
+      #define fabsf(x)    ((float)fabs((double)(x)))
+   #endif
+
+   #ifndef _strtoui64
+      #define _strtoui64(x, y, z) (_atoi64(x))
+   #endif
+
 #endif
 
 #ifndef PATH_MAX

libretro/libretro-common/include/compat/posix_string.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (posix_string.h).

libretro/libretro-common/include/compat/strcasestr.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (strcasestr.h).

libretro/libretro-common/include/compat/strl.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (strl.h).
@@ -26,7 +26,7 @@
 #include <string.h>
 #include <stddef.h>
 
-#ifdef HAVE_CONFIG_H
+#if defined(RARCH_INTERNAL) && defined(HAVE_CONFIG_H)
 #include "../../../config.h"
 #endif
 
@@ -52,6 +52,8 @@ size_t strlcat(char *dest, const char *source, size_t size);
 
 #endif
 
+char *strldup(const char *s, size_t n);
+
 RETRO_END_DECLS
 
 #endif

libretro/libretro-common/include/encodings/utf.h

@@ -0,0 +1,67 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (utf.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _LIBRETRO_ENCODINGS_UTF_H
+#define _LIBRETRO_ENCODINGS_UTF_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#include <boolean.h>
+
+#include <retro_common_api.h>
+
+RETRO_BEGIN_DECLS
+
+enum CodePage
+{
+   CODEPAGE_LOCAL = 0, /* CP_ACP */
+   CODEPAGE_UTF8 = 65001 /* CP_UTF8 */
+};
+
+size_t utf8_conv_utf32(uint32_t *out, size_t out_chars,
+      const char *in, size_t in_size);
+
+bool utf16_conv_utf8(uint8_t *out, size_t *out_chars,
+      const uint16_t *in, size_t in_size);
+
+size_t utf8len(const char *string);
+
+size_t utf8cpy(char *d, size_t d_len, const char *s, size_t chars);
+
+const char *utf8skip(const char *str, size_t chars);
+
+uint32_t utf8_walk(const char **string);
+
+bool utf16_to_char_string(const uint16_t *in, char *s, size_t len);
+
+char* utf8_to_local_string_alloc(const char *str);
+
+char* local_to_utf8_string_alloc(const char *str);
+
+wchar_t* utf8_to_utf16_string_alloc(const char *str);
+
+char* utf16_to_utf8_string_alloc(const wchar_t *str);
+
+RETRO_END_DECLS
+
+#endif

libretro/libretro-common/include/libretro.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 2010-2016 The RetroArch team
+/* Copyright (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this libretro API header (libretro.h).
@@ -32,7 +32,7 @@ extern "C" {
 #endif
 
 #ifndef __cplusplus
-#if defined(_MSC_VER) && !defined(SN_TARGET_PS3)
+#if defined(_MSC_VER) && _MSC_VER < 1800 && !defined(SN_TARGET_PS3)
 /* Hack applied for MSVC when compiling in C89 mode
  * as it isn't C99-compliant. */
 #define bool unsigned char
@@ -126,16 +126,23 @@ extern "C" {
  */
 #define RETRO_DEVICE_KEYBOARD     3
 
-/* Lightgun X/Y coordinates are reported relatively to last poll,
+/* LIGHTGUN device is similar to Guncon-2 for PlayStation 2.
- * similar to mouse. */
+ * It reports X/Y coordinates in screen space (similar to the pointer)
+ * in the range [-0x8000, 0x7fff] in both axes, with zero being center.
+ * As well as reporting on/off screen state. It features a trigger,
+ * start/select buttons, auxiliary action buttons and a
+ * directional pad. A forced off-screen shot can be requested for
+ * auto-reloading function in some games.
+ */
 #define RETRO_DEVICE_LIGHTGUN     4
 
 /* The ANALOG device is an extension to JOYPAD (RetroPad).
- * Similar to DualShock it adds two analog sticks.
+ * Similar to DualShock2 it adds two analog sticks and all buttons can
- * This is treated as a separate device type as it returns values in the 
+ * be analog. This is treated as a separate device type as it returns
- * full analog range of [-0x8000, 0x7fff]. Positive X axis is right.
+ * axis values in the full analog range of [-0x8000, 0x7fff].
- * Positive Y axis is down.
+ * Positive X axis is right. Positive Y axis is down.
- * Only use ANALOG type when polling for analog values of the axes.
+ * Buttons are returned in the range [0, 0x7fff].
+ * Only use ANALOG type when polling for analog values.
  */
 #define RETRO_DEVICE_ANALOG       5
 
@@ -174,7 +181,8 @@ extern "C" {
 /* Buttons for the RetroPad (JOYPAD).
  * The placement of these is equivalent to placements on the
  * Super Nintendo controller.
- * L2/R2/L3/R3 buttons correspond to the PS1 DualShock. */
+ * L2/R2/L3/R3 buttons correspond to the PS1 DualShock.
+ * Also used as id values for RETRO_DEVICE_INDEX_ANALOG_BUTTON */
 #define RETRO_DEVICE_ID_JOYPAD_B        0
 #define RETRO_DEVICE_ID_JOYPAD_Y        1
 #define RETRO_DEVICE_ID_JOYPAD_SELECT   2
@@ -195,6 +203,7 @@ extern "C" {
 /* Index / Id values for ANALOG device. */
 #define RETRO_DEVICE_INDEX_ANALOG_LEFT       0
 #define RETRO_DEVICE_INDEX_ANALOG_RIGHT      1
+#define RETRO_DEVICE_INDEX_ANALOG_BUTTON     2
 #define RETRO_DEVICE_ID_ANALOG_X             0
 #define RETRO_DEVICE_ID_ANALOG_Y             1
 
@@ -208,15 +217,30 @@ extern "C" {
 #define RETRO_DEVICE_ID_MOUSE_MIDDLE           6
 #define RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP    7
 #define RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN  8
+#define RETRO_DEVICE_ID_MOUSE_BUTTON_4         9
+#define RETRO_DEVICE_ID_MOUSE_BUTTON_5         10
 
-/* Id values for LIGHTGUN types. */
+/* Id values for LIGHTGUN. */
-#define RETRO_DEVICE_ID_LIGHTGUN_X        0
+#define RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X        13 /*Absolute Position*/
-#define RETRO_DEVICE_ID_LIGHTGUN_Y        1
+#define RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y        14 /*Absolute*/
+#define RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN    15 /*Status Check*/
 #define RETRO_DEVICE_ID_LIGHTGUN_TRIGGER          2
-#define RETRO_DEVICE_ID_LIGHTGUN_CURSOR   3
+#define RETRO_DEVICE_ID_LIGHTGUN_RELOAD          16 /*Forced off-screen shot*/
-#define RETRO_DEVICE_ID_LIGHTGUN_TURBO    4
+#define RETRO_DEVICE_ID_LIGHTGUN_AUX_A            3
-#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE    5
+#define RETRO_DEVICE_ID_LIGHTGUN_AUX_B            4
 #define RETRO_DEVICE_ID_LIGHTGUN_START            6
+#define RETRO_DEVICE_ID_LIGHTGUN_SELECT           7
+#define RETRO_DEVICE_ID_LIGHTGUN_AUX_C            8
+#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_UP          9
+#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_DOWN       10
+#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_LEFT       11
+#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_RIGHT      12
+/* deprecated */
+#define RETRO_DEVICE_ID_LIGHTGUN_X                0 /*Relative Position*/
+#define RETRO_DEVICE_ID_LIGHTGUN_Y                1 /*Relative*/
+#define RETRO_DEVICE_ID_LIGHTGUN_CURSOR           3 /*Use Aux:A*/
+#define RETRO_DEVICE_ID_LIGHTGUN_TURBO            4 /*Use Aux:B*/
+#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE            5 /*Use Start*/
 
 /* Id values for POINTER. */
 #define RETRO_DEVICE_ID_POINTER_X         0
@@ -237,13 +261,16 @@ enum retro_language
    RETRO_LANGUAGE_GERMAN              = 4,
    RETRO_LANGUAGE_ITALIAN             = 5,
    RETRO_LANGUAGE_DUTCH               = 6,
-   RETRO_LANGUAGE_PORTUGUESE          =  7,
+   RETRO_LANGUAGE_PORTUGUESE_BRAZIL   = 7,
-   RETRO_LANGUAGE_RUSSIAN             =  8,
+   RETRO_LANGUAGE_PORTUGUESE_PORTUGAL = 8,
-   RETRO_LANGUAGE_KOREAN              =  9,
+   RETRO_LANGUAGE_RUSSIAN             = 9,
-   RETRO_LANGUAGE_CHINESE_TRADITIONAL = 10,
+   RETRO_LANGUAGE_KOREAN              = 10,
-   RETRO_LANGUAGE_CHINESE_SIMPLIFIED  = 11,
+   RETRO_LANGUAGE_CHINESE_TRADITIONAL = 11,
-   RETRO_LANGUAGE_ESPERANTO           = 12,
+   RETRO_LANGUAGE_CHINESE_SIMPLIFIED  = 12,
-   RETRO_LANGUAGE_POLISH              = 13,
+   RETRO_LANGUAGE_ESPERANTO           = 13,
+   RETRO_LANGUAGE_POLISH              = 14,
+   RETRO_LANGUAGE_VIETNAMESE          = 15,
+   RETRO_LANGUAGE_ARABIC              = 16,
    RETRO_LANGUAGE_LAST,
 
    /* Ensure sizeof(enum) == sizeof(int) */
@@ -349,6 +376,10 @@ enum retro_key
    RETROK_x              = 120,
    RETROK_y              = 121,
    RETROK_z              = 122,
+   RETROK_LEFTBRACE      = 123,
+   RETROK_BAR            = 124,
+   RETROK_RIGHTBRACE     = 125,
+   RETROK_TILDE          = 126,
    RETROK_DELETE         = 127,
 
    RETROK_KP0            = 256,
@@ -712,7 +743,7 @@ enum retro_mod
                                            /* struct retro_log_callback * --
                                             * Gets an interface for logging. This is useful for
                                             * logging in a cross-platform way
-                                            * as certain platforms cannot use use stderr for logging. 
+                                            * as certain platforms cannot use stderr for logging.
                                             * It also allows the frontend to
                                             * show logging information in a more suitable way.
                                             * If this interface is not used, libretro cores should
@@ -921,9 +952,147 @@ enum retro_mod
                                             * writeable (and readable).
                                             */
 
+#define RETRO_ENVIRONMENT_SET_HW_SHARED_CONTEXT (44 | RETRO_ENVIRONMENT_EXPERIMENTAL)
+                                           /* N/A (null) * --
+                                            * The frontend will try to use a 'shared' hardware context (mostly applicable
+                                            * to OpenGL) when a hardware context is being set up.
+                                            *
+                                            * Returns true if the frontend supports shared hardware contexts and false
+                                            * if the frontend does not support shared hardware contexts.
+                                            *
+                                            * This will do nothing on its own until SET_HW_RENDER env callbacks are
+                                            * being used.
+                                            */
+
+#define RETRO_ENVIRONMENT_GET_VFS_INTERFACE (45 | RETRO_ENVIRONMENT_EXPERIMENTAL)
+                                           /* struct retro_vfs_interface_info * --
+                                            * Gets access to the VFS interface.
+                                            * VFS presence needs to be queried prior to load_game or any
+                                            * get_system/save/other_directory being called to let front end know
+                                            * core supports VFS before it starts handing out paths.
+                                            * It is recomended to do so in retro_set_environment */
+
+/* VFS functionality */
+
+/* File paths:
+ * File paths passed as parameters when using this api shall be well formed unix-style,
+ * using "/" (unquoted forward slash) as directory separator regardless of the platform's native separator.
+ * Paths shall also include at least one forward slash ("game.bin" is an invalid path, use "./game.bin" instead).
+ * Other than the directory separator, cores shall not make assumptions about path format:
+ * "C:/path/game.bin", "http://example.com/game.bin", "#game/game.bin", "./game.bin" (without quotes) are all valid paths.
+ * Cores may replace the basename or remove path components from the end, and/or add new components;
+ * however, cores shall not append "./", "../" or multiple consecutive forward slashes ("//") to paths they request to front end.
+ * The frontend is encouraged to make such paths work as well as it can, but is allowed to give up if the core alters paths too much.
+ * Frontends are encouraged, but not required, to support native file system paths (modulo replacing the directory separator, if applicable).
+ * Cores are allowed to try using them, but must remain functional if the front rejects such requests.
+ * Cores are encouraged to use the libretro-common filestream functions for file I/O,
+ * as they seamlessly integrate with VFS, deal with directory separator replacement as appropriate
+ * and provide platform-specific fallbacks in cases where front ends do not support VFS. */
+
+/* Opaque file handle
+ * Introduced in VFS API v1 */
+struct retro_vfs_file_handle;
+
+/* File open flags
+ * Introduced in VFS API v1 */
+#define RETRO_VFS_FILE_ACCESS_READ            (1 << 0) /* Read only mode */
+#define RETRO_VFS_FILE_ACCESS_WRITE           (1 << 1) /* Write only mode, discard contents and overwrites existing file unless RETRO_VFS_FILE_ACCESS_UPDATE is also specified */
+#define RETRO_VFS_FILE_ACCESS_READ_WRITE      (RETRO_VFS_FILE_ACCESS_READ | RETRO_VFS_FILE_ACCESS_WRITE) /* Read-write mode, discard contents and overwrites existing file unless RETRO_VFS_FILE_ACCESS_UPDATE is also specified*/
+#define RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING (1 << 2) /* Prevents discarding content of existing files opened for writing */
+
+/* These are only hints. The frontend may choose to ignore them. Other than RAM/CPU/etc use,
+   and how they react to unlikely external interference (for example someone else writing to that file,
+   or the file's server going down), behavior will not change. */
+#define RETRO_VFS_FILE_ACCESS_HINT_NONE              (0)
+/* Indicate that the file will be accessed many times. The frontend should aggressively cache everything. */
+#define RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS   (1 << 0)
+
+/* Seek positions */
+#define RETRO_VFS_SEEK_POSITION_START    0
+#define RETRO_VFS_SEEK_POSITION_CURRENT  1
+#define RETRO_VFS_SEEK_POSITION_END      2
+
+/* Get path from opaque handle. Returns the exact same path passed to file_open when getting the handle
+ * Introduced in VFS API v1 */
+typedef const char *(RETRO_CALLCONV *retro_vfs_get_path_t)(struct retro_vfs_file_handle *stream);
+
+/* Open a file for reading or writing. If path points to a directory, this will
+ * fail. Returns the opaque file handle, or NULL for error.
+ * Introduced in VFS API v1 */
+typedef struct retro_vfs_file_handle *(RETRO_CALLCONV *retro_vfs_open_t)(const char *path, unsigned mode, unsigned hints);
+
+/* Close the file and release its resources. Must be called if open_file returns non-NULL. Returns 0 on succes, -1 on failure.
+ * Whether the call succeeds ot not, the handle passed as parameter becomes invalid and should no longer be used.
+ * Introduced in VFS API v1 */
+typedef int (RETRO_CALLCONV *retro_vfs_close_t)(struct retro_vfs_file_handle *stream);
+
+/* Return the size of the file in bytes, or -1 for error.
+ * Introduced in VFS API v1 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_size_t)(struct retro_vfs_file_handle *stream);
+
+/* Get the current read / write position for the file. Returns - 1 for error.
+ * Introduced in VFS API v1 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_tell_t)(struct retro_vfs_file_handle *stream);
+
+/* Set the current read/write position for the file. Returns the new position, -1 for error.
+ * Introduced in VFS API v1 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_seek_t)(struct retro_vfs_file_handle *stream, int64_t offset, int seek_position);
+
+/* Read data from a file. Returns the number of bytes read, or -1 for error.
+ * Introduced in VFS API v1 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_read_t)(struct retro_vfs_file_handle *stream, void *s, uint64_t len);
+
+/* Write data to a file. Returns the number of bytes written, or -1 for error.
+ * Introduced in VFS API v1 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_write_t)(struct retro_vfs_file_handle *stream, const void *s, uint64_t len);
+
+/* Flush pending writes to file, if using buffered IO. Returns 0 on sucess, or -1 on failure.
+ * Introduced in VFS API v1 */
+typedef int (RETRO_CALLCONV *retro_vfs_flush_t)(struct retro_vfs_file_handle *stream);
+
+/* Delete the specified file. Returns 0 on success, -1 on failure
+ * Introduced in VFS API v1 */
+typedef int (RETRO_CALLCONV *retro_vfs_remove_t)(const char *path);
+
+/* Rename the specified file. Returns 0 on success, -1 on failure
+ * Introduced in VFS API v1 */
+typedef int (RETRO_CALLCONV *retro_vfs_rename_t)(const char *old_path, const char *new_path);
+
+struct retro_vfs_interface
+{
+	retro_vfs_get_path_t get_path;
+	retro_vfs_open_t open;
+	retro_vfs_close_t close;
+	retro_vfs_size_t size;
+	retro_vfs_tell_t tell;
+	retro_vfs_seek_t seek;
+	retro_vfs_read_t read;
+	retro_vfs_write_t write;
+	retro_vfs_flush_t flush;
+	retro_vfs_remove_t remove;
+	retro_vfs_rename_t rename;
+};
+
+struct retro_vfs_interface_info
+{
+   /* Set by core: should this be higher than the version the front end supports,
+    * front end will return false in the RETRO_ENVIRONMENT_GET_VFS_INTERFACE call
+    * Introduced in VFS API v1 */
+   uint32_t required_interface_version;
+
+   /* Frontend writes interface pointer here. The frontend also sets the actual
+    * version, must be at least required_interface_version.
+    * Introduced in VFS API v1 */
+   struct retro_vfs_interface *iface;
+};
+
 enum retro_hw_render_interface_type
 {
 	RETRO_HW_RENDER_INTERFACE_VULKAN = 0,
+	RETRO_HW_RENDER_INTERFACE_D3D9   = 1,
+	RETRO_HW_RENDER_INTERFACE_D3D10  = 2,
+	RETRO_HW_RENDER_INTERFACE_D3D11  = 3,
+	RETRO_HW_RENDER_INTERFACE_D3D12  = 4,
    RETRO_HW_RENDER_INTERFACE_DUMMY  = INT_MAX
 };
 
@@ -934,6 +1103,62 @@ struct retro_hw_render_interface
    enum retro_hw_render_interface_type interface_type;
    unsigned interface_version;
 };
+
+
+#define RETRO_ENVIRONMENT_GET_LED_INTERFACE (46 | RETRO_ENVIRONMENT_EXPERIMENTAL)
+                                           /* struct retro_led_interface * --
+                                            * Gets an interface which is used by a libretro core to set
+                                            * state of LEDs.
+                                            */
+
+typedef void (RETRO_CALLCONV *retro_set_led_state_t)(int led, int state);
+struct retro_led_interface
+{
+    retro_set_led_state_t set_led_state;
+};
+
+#define RETRO_ENVIRONMENT_GET_AUDIO_VIDEO_ENABLE (47 | RETRO_ENVIRONMENT_EXPERIMENTAL)
+                                           /* int * --
+                                            * Tells the core if the frontend wants audio or video.
+                                            * If disabled, the frontend will discard the audio or video,
+                                            * so the core may decide to skip generating a frame or generating audio.
+                                            * This is mainly used for increasing performance.
+                                            * Bit 0 (value 1): Enable Video
+                                            * Bit 1 (value 2): Enable Audio
+                                            * Bit 2 (value 4): Use Fast Savestates.
+                                            * Bit 3 (value 8): Hard Disable Audio
+                                            * Other bits are reserved for future use and will default to zero.
+                                            * If video is disabled:
+                                            * * The frontend wants the core to not generate any video,
+                                            *   including presenting frames via hardware acceleration.
+                                            * * The frontend's video frame callback will do nothing.
+                                            * * After running the frame, the video output of the next frame should be
+                                            *   no different than if video was enabled, and saving and loading state
+                                            *   should have no issues.
+                                            * If audio is disabled:
+                                            * * The frontend wants the core to not generate any audio.
+                                            * * The frontend's audio callbacks will do nothing.
+                                            * * After running the frame, the audio output of the next frame should be
+                                            *   no different than if audio was enabled, and saving and loading state
+                                            *   should have no issues.
+                                            * Fast Savestates:
+                                            * * Guaranteed to be created by the same binary that will load them.
+                                            * * Will not be written to or read from the disk.
+                                            * * Suggest that the core assumes loading state will succeed.
+                                            * * Suggest that the core updates its memory buffers in-place if possible.
+                                            * * Suggest that the core skips clearing memory.
+                                            * * Suggest that the core skips resetting the system.
+                                            * * Suggest that the core may skip validation steps.
+                                            * Hard Disable Audio:
+                                            * * Used for a secondary core when running ahead.
+                                            * * Indicates that the frontend will never need audio from the core.
+                                            * * Suggests that the core may stop synthesizing audio, but this should not
+                                            *   compromise emulation accuracy.
+                                            * * Audio output for the next frame does not matter, and the frontend will
+                                            *   never need an accurate audio state in the future.
+                                            * * State will never be saved when using Hard Disable Audio.
+                                            */
+
 #define RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE (41 | RETRO_ENVIRONMENT_EXPERIMENTAL)
                                            /* const struct retro_hw_render_interface ** --
                                             * Returns an API specific rendering interface for accessing API specific data.
@@ -1006,7 +1231,6 @@ struct retro_hw_render_context_negotiation_interface
                                             * recognize or support. Should be set in either retro_init or retro_load_game, but not both.
                                             */
 
-
 #define RETRO_MEMDESC_CONST     (1 << 0)   /* The frontend will never change this memory area once retro_load_game has returned. */
 #define RETRO_MEMDESC_BIGENDIAN (1 << 1)   /* The memory area contains big endian data. Default is little endian. */
 #define RETRO_MEMDESC_ALIGN_2   (1 << 16)  /* All memory access in this area is aligned to their own size, or 2, whichever is smaller. */
@@ -1316,6 +1540,7 @@ struct retro_log_callback
 #define RETRO_SIMD_POPCNT   (1 << 18)
 #define RETRO_SIMD_MOVBE    (1 << 19)
 #define RETRO_SIMD_CMOV     (1 << 20)
+#define RETRO_SIMD_ASIMD    (1 << 21)
 
 typedef uint64_t retro_perf_tick_t;
 typedef int64_t retro_time_t;
@@ -1662,6 +1887,10 @@ enum retro_hw_context_type
    /* Vulkan, see RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE. */
    RETRO_HW_CONTEXT_VULKAN           = 6,
 
+   /* Direct3D, set version_major to select the type of interface
+    * returned by RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE */
+   RETRO_HW_CONTEXT_DIRECT3D         = 7,
+
    RETRO_HW_CONTEXT_DUMMY = INT_MAX
 };
 
@@ -1689,7 +1918,8 @@ struct retro_hw_render_callback
     * be providing preallocated framebuffers. */
    retro_hw_get_current_framebuffer_t get_current_framebuffer;
 
-   /* Set by frontend. */
+   /* Set by frontend.
+    * Can return all relevant functions, including glClear on Windows. */
    retro_hw_get_proc_address_t get_proc_address;
 
    /* Set if render buffers should have depth component attached.
@@ -1972,10 +2202,12 @@ struct retro_variable
 struct retro_game_info
 {
    const char *path;       /* Path to game, UTF-8 encoded.
-                            * Usually used as a reference.
+                            * Sometimes used as a reference for building other paths.
-                            * May be NULL if rom was loaded from stdin
+                            * May be NULL if game was loaded from stdin or similar,
-                            * or similar. 
+                            * but in this case some cores will be unable to load `data`.
-                            * retro_system_info::need_fullpath guaranteed 
+                            * So, it is preferable to fabricate something here instead
+                            * of passing NULL, which will help more cores to succeed.
+                            * retro_system_info::need_fullpath requires
                             * that this path is valid. */
    const void *data;       /* Memory buffer of loaded game. Will be NULL
                             * if need_fullpath was set. */

libretro/libretro-common/include/memmap.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (memmap.h).
@@ -23,7 +23,10 @@
 #ifndef _LIBRETRO_MEMMAP_H
 #define _LIBRETRO_MEMMAP_H
 
-#if defined(__CELLOS_LV2__) || defined(PSP) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU)
+#include <stdio.h>
+#include <stdint.h>
+
+#if defined(__CELLOS_LV2__) || defined(PSP) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU) || defined(SWITCH)
 /* No mman available */
 #elif defined(_WIN32) && !defined(_XBOX)
 #include <windows.h>

libretro/libretro-common/include/retro_common.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (retro_common.h).

libretro/libretro-common/include/retro_common_api.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (retro_common_api.h).
@@ -75,19 +75,29 @@ typedef int ssize_t;
 #include <sys/types.h>
 #endif
 
-#ifdef _WIN32
+#ifdef _MSC_VER
-#define STRING_REP_INT64  "%I64u"
+#if _MSC_VER >= 1800
-#define STRING_REP_UINT64 "%I64u"
+#include <inttypes.h>
-#define STRING_REP_ULONG  "%Iu"
-#elif defined(__STDC_VERSION__) && __STDC_VERSION__>=199901L && !defined(VITA) && !defined(WIIU)
-#define STRING_REP_INT64  "%llu"
-#define STRING_REP_UINT64 "%llu"
-#define STRING_REP_ULONG  "%zu"
 #else
-#define STRING_REP_INT64  "%llu"
+#ifndef PRId64
-#define STRING_REP_UINT64 "%llu"
+#define PRId64 "I64d"
-#define STRING_REP_ULONG  "%lu"
+#define PRIu64 "I64u"
+#define PRIuPTR "Iu"
 #endif
+#endif
+#else
+/* C++11 says this one isn't needed, but apparently (some versions of) mingw require it anyways */
+/* https://stackoverflow.com/questions/8132399/how-to-printf-uint64-t-fails-with-spurious-trailing-in-format */
+/* https://github.com/libretro/RetroArch/issues/6009 */
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+#endif
+#ifndef PRId64
+#error "inttypes.h is being screwy"
+#endif
+#define STRING_REP_INT64 "%" PRId64
+#define STRING_REP_UINT64 "%" PRIu64
+#define STRING_REP_USIZE "%" PRIuPTR
 
 /*
 I would like to see retro_inline.h moved in here; possibly boolean too.

libretro/libretro-common/include/retro_inline.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (retro_inline.h).

libretro/libretro-common/include/retro_miscellaneous.h

@@ -1,116 +0,0 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
- *
- * ---------------------------------------------------------------------------------------
- * The following license statement only applies to this file (retro_miscellaneous.h).
- * ---------------------------------------------------------------------------------------
- *
- * Permission is hereby granted, free of charge,
- * to any person obtaining a copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
- * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef __RARCH_MISCELLANEOUS_H
-#define __RARCH_MISCELLANEOUS_H
-
-#include <stdint.h>
-
-#if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)
-#include <sys/timer.h>
-#elif defined(XENON)
-#include <time/time.h>
-#elif defined(GEKKO) || defined(__PSL1GHT__) || defined(__QNX__)
-#include <unistd.h>
-#elif defined(WIIU)
-#include <wiiu/os/thread.h>
-#elif defined(PSP)
-#include <pspthreadman.h>
-#elif defined(VITA)
-#include <psp2/kernel/threadmgr.h>
-#elif defined(_3DS)
-#include <3ds.h>
-#else
-#include <time.h>
-#endif
-
-#if defined(_WIN32) && !defined(_XBOX)
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#elif defined(_WIN32) && defined(_XBOX)
-#include <Xtl.h>
-#endif
-
-#include <limits.h>
-
-#ifdef _MSC_VER
-#include <compat/msvc.h>
-#endif
-#include <retro_inline.h>
-
-#ifndef PATH_MAX_LENGTH
-#if defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(GEKKO)|| defined(WIIU)
-#define PATH_MAX_LENGTH 512
-#else
-#define PATH_MAX_LENGTH 4096
-#endif
-#endif
-
-#ifndef M_PI
-#if !defined(_MSC_VER) && !defined(USE_MATH_DEFINES)
-#define M_PI 3.14159265358979323846264338327
-#endif
-#endif
-
-#ifndef MAX
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
-#ifndef MIN
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#endif
-
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
-
-/* Helper macros and struct to keep track of many booleans.
- * To check for multiple bits, use &&, not &.
- * For OR, | can be used. */
-typedef struct
-{
-   uint32_t data[8];
-} retro_bits_t;
-
-#define BIT_SET(a, bit)   ((a)[(bit) >> 3] |=  (1 << ((bit) & 7)))
-#define BIT_CLEAR(a, bit) ((a)[(bit) >> 3] &= ~(1 << ((bit) & 7)))
-#define BIT_GET(a, bit)   ((a)[(bit) >> 3] &   (1 << ((bit) & 7)))
-
-#define BIT16_SET(a, bit)    ((a) |=  (1 << ((bit) & 15)))
-#define BIT16_CLEAR(a, bit)  ((a) &= ~(1 << ((bit) & 15)))
-#define BIT16_GET(a, bit) (!!((a) &   (1 << ((bit) & 15))))
-#define BIT16_CLEAR_ALL(a)   ((a) = 0)
-
-#define BIT32_SET(a, bit)    ((a) |=  (1 << ((bit) & 31)))
-#define BIT32_CLEAR(a, bit)  ((a) &= ~(1 << ((bit) & 31)))
-#define BIT32_GET(a, bit) (!!((a) &   (1 << ((bit) & 31))))
-#define BIT32_CLEAR_ALL(a)   ((a) = 0)
-
-#define BIT64_SET(a, bit)    ((a) |=  (UINT64_C(1) << ((bit) & 63)))
-#define BIT64_CLEAR(a, bit)  ((a) &= ~(UINT64_C(1) << ((bit) & 63)))
-#define BIT64_GET(a, bit) (!!((a) &   (UINT64_C(1) << ((bit) & 63))))
-#define BIT64_CLEAR_ALL(a)   ((a) = 0)
-
-#define BIT128_SET(a, bit)   ((a).data[(bit) >> 5] |=  (1 << ((bit) & 31)))
-#define BIT128_CLEAR(a, bit) ((a).data[(bit) >> 5] &= ~(1 << ((bit) & 31)))
-#define BIT128_GET(a, bit)   ((a).data[(bit) >> 5] &   (1 << ((bit) & 31)))
-#define BIT128_CLEAR_ALL(a)  memset(&(a), 0, sizeof(a));
-
-#endif

libretro/libretro-common/include/streams/file_stream.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (file_stream.h).
@@ -23,68 +23,85 @@
 #ifndef __LIBRETRO_SDK_FILE_STREAM_H
 #define __LIBRETRO_SDK_FILE_STREAM_H
 
+#include <stdio.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <stddef.h>
 
 #include <sys/types.h>
 
+#include <libretro.h>
 #include <retro_common_api.h>
+#include <retro_inline.h>
 #include <boolean.h>
 
+#include <stdarg.h>
+
+#define FILESTREAM_REQUIRED_VFS_VERSION 1
+
 RETRO_BEGIN_DECLS
 
 typedef struct RFILE RFILE;
 
-enum
+#define FILESTREAM_REQUIRED_VFS_VERSION 1
-{
-   RFILE_MODE_READ = 0,
-   RFILE_MODE_READ_TEXT,
-   RFILE_MODE_WRITE,
-   RFILE_MODE_READ_WRITE,
 
-   /* There is no garantee these requests will be attended. */
+void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info);
-   RFILE_HINT_UNBUFFERED = 1<<8,
-   RFILE_HINT_MMAP       = 1<<9  /* requires RFILE_MODE_READ */
-};
 
-long long int filestream_get_size(RFILE *stream);
+int64_t filestream_get_size(RFILE *stream);
 
-void filestream_set_size(RFILE *stream);
+/**
+ * filestream_open:
+ * @path               : path to file
+ * @mode               : file mode to use when opening (read/write)
+ * @bufsize            : optional buffer size (-1 or 0 to use default)
+ *
+ * Opens a file for reading or writing, depending on the requested mode.
+ * Returns a pointer to an RFILE if opened successfully, otherwise NULL.
+ **/
+RFILE *filestream_open(const char *path, unsigned mode, unsigned hints);
 
-const char *filestream_get_ext(RFILE *stream);
+int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position);
 
-RFILE *filestream_open(const char *path, unsigned mode, ssize_t len);
+int64_t filestream_read(RFILE *stream, void *data, int64_t len);
 
-ssize_t filestream_seek(RFILE *stream, ssize_t offset, int whence);
+int64_t filestream_write(RFILE *stream, const void *data, int64_t len);
 
-ssize_t filestream_read(RFILE *stream, void *data, size_t len);
+int64_t filestream_tell(RFILE *stream);
-
-ssize_t filestream_write(RFILE *stream, const void *data, size_t len);
-
-ssize_t filestream_tell(RFILE *stream);
 
 void filestream_rewind(RFILE *stream);
 
 int filestream_close(RFILE *stream);
 
-int filestream_read_file(const char *path, void **buf, ssize_t *len);
+int64_t filestream_read_file(const char *path, void **buf, int64_t *len);
 
 char *filestream_gets(RFILE *stream, char *s, size_t len);
 
-char *filestream_getline(RFILE *stream);
-
 int filestream_getc(RFILE *stream);
 
 int filestream_eof(RFILE *stream);
 
-bool filestream_write_file(const char *path, const void *data, ssize_t size);
+bool filestream_write_file(const char *path, const void *data, int64_t size);
 
 int filestream_putc(RFILE *stream, int c);
 
-int filestream_get_fd(RFILE *stream);
+int filestream_vprintf(RFILE *stream, const char* format, va_list args);
+
+int filestream_printf(RFILE *stream, const char* format, ...);
+
+int filestream_error(RFILE *stream);
 
 int filestream_flush(RFILE *stream);
 
+int filestream_delete(const char *path);
+
+int filestream_rename(const char *old_path, const char *new_path);
+
+const char *filestream_get_path(RFILE *stream);
+
+bool filestream_exists(const char *path);
+
+char *filestream_getline(RFILE *stream);
+
 RETRO_END_DECLS
 
 #endif

libretro/libretro-common/include/streams/file_stream_transforms.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
 *
 * ---------------------------------------------------------------------------------------
 * The following license statement only applies to this file (file_stream_transforms.h).
@@ -23,38 +23,66 @@
 #ifndef __LIBRETRO_SDK_FILE_STREAM_TRANSFORMS_H
 #define __LIBRETRO_SDK_FILE_STREAM_TRANSFORMS_H
 
-#include <retro_common_api.h>
+#include <stdint.h>
-
-#include <streams/file_stream.h>
 #include <string.h>
+#include <retro_common_api.h>
+#include <streams/file_stream.h>
 
 RETRO_BEGIN_DECLS
 
 #define FILE RFILE
 
+#undef fopen
+#undef fclose
+#undef ftell
+#undef fseek
+#undef fread
+#undef fgets
+#undef fgetc
+#undef fwrite
+#undef fputc
+#undef fprintf
+#undef ferror
+#undef feof
+
 #define fopen rfopen
 #define fclose rfclose
 #define ftell rftell
 #define fseek rfseek
 #define fread rfread
 #define fgets rfgets
+#define fgetc rfgetc
 #define fwrite rfwrite
+#define fputc rfputc
+#define fprintf rfprintf
+#define ferror rferror
+#define feof rfeof
 
-RFILE* rfopen(const char *path, char *mode);
+RFILE* rfopen(const char *path, const char *mode);
 
 int rfclose(RFILE* stream);
 
-long rftell(RFILE* stream);
+int64_t rftell(RFILE* stream);
 
-int rfseek(RFILE* stream, long offset, int origin);
+int64_t rfseek(RFILE* stream, int64_t offset, int origin);
 
-size_t rfread(void* buffer,
+int64_t rfread(void* buffer,
-   size_t elementSize, size_t elementCount, RFILE* stream);
+   size_t elem_size, size_t elem_count, RFILE* stream);
 
 char *rfgets(char *buffer, int maxCount, RFILE* stream);
 
-size_t rfwrite(void const* buffer,
+int rfgetc(RFILE* stream);
-   size_t elementSize, size_t elementCount, RFILE* stream);
+
+int64_t rfwrite(void const* buffer,
+   size_t elem_size, size_t elem_count, RFILE* stream);
+
+int rfputc(int character, RFILE * stream);
+
+int rfprintf(RFILE * stream, const char * format, ...);
+
+int rferror(RFILE* stream);
+
+int rfeof(RFILE* stream);
 
 RETRO_END_DECLS
 

libretro/libretro-common/include/vfs/vfs_implementation.h

@@ -0,0 +1,65 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+*
+* ---------------------------------------------------------------------------------------
+* The following license statement only applies to this file (vfs_implementation.h).
+* ---------------------------------------------------------------------------------------
+*
+* Permission is hereby granted, free of charge,
+* to any person obtaining a copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef __LIBRETRO_SDK_VFS_IMPLEMENTATION_H
+#define __LIBRETRO_SDK_VFS_IMPLEMENTATION_H
+
+#include <stdint.h>
+#include <libretro.h>
+
+/* Replace the following symbol with something appropriate
+ * to signify the file is being compiled for a front end instead of a core.
+ * This allows the same code to act as reference implementation
+ * for VFS and as fallbacks for when the front end does not provide VFS functionality.
+ */
+
+#ifdef VFS_FRONTEND
+typedef struct retro_vfs_file_handle libretro_vfs_implementation_file;
+#else
+typedef struct libretro_vfs_implementation_file libretro_vfs_implementation_file;
+#endif
+
+libretro_vfs_implementation_file *retro_vfs_file_open_impl(const char *path, unsigned mode, unsigned hints);
+
+int retro_vfs_file_close_impl(libretro_vfs_implementation_file *stream);
+
+int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream);
+
+int64_t retro_vfs_file_seek_impl(libretro_vfs_implementation_file *stream, int64_t offset, int seek_position);
+
+int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream, void *s, uint64_t len);
+
+int64_t retro_vfs_file_write_impl(libretro_vfs_implementation_file *stream, const void *s, uint64_t len);
+
+int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream);
+
+int retro_vfs_file_remove_impl(const char *path);
+
+int retro_vfs_file_rename_impl(const char *old_path, const char *new_path);
+
+const char *retro_vfs_file_get_path_impl(libretro_vfs_implementation_file *stream);
+
+#endif

libretro/libretro-common/memmap/memmap.c

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (memmap.c).
@@ -48,7 +48,8 @@
 #endif
 
 #ifdef _WIN32
-void* mmap(void *addr, size_t len, int prot, int flags, int fildes, size_t offset)
+void* mmap(void *addr, size_t len, int prot, int flags,
+      int fildes, size_t offset)
 {
    void     *map = (void*)NULL;
    HANDLE handle = INVALID_HANDLE_VALUE;
@@ -57,28 +58,26 @@ void* mmap(void *addr, size_t len, int prot, int flags, int fildes, size_t offse
    {
       case PROT_READ:
       default:
-         {
+         handle = CreateFileMapping((HANDLE)
-            handle = CreateFileMapping((HANDLE) _get_osfhandle(fildes), 0, PAGE_READONLY, 0,
+               _get_osfhandle(fildes), 0, PAGE_READONLY, 0,
                len, 0);
          if (!handle)
             break;
          map = (void*)MapViewOfFile(handle, FILE_MAP_READ, 0, 0, len);
          CloseHandle(handle);
          break;
-         }
       case PROT_WRITE:
-         {
+         handle = CreateFileMapping((HANDLE)
-            handle = CreateFileMapping((HANDLE) _get_osfhandle(fildes),0,PAGE_READWRITE,0,
+               _get_osfhandle(fildes),0,PAGE_READWRITE,0,
                len, 0);
          if (!handle)
             break;
          map = (void*)MapViewOfFile(handle, FILE_MAP_WRITE, 0, 0, len);
          CloseHandle(handle);
          break;
-         }
       case PROT_READWRITE:
-         {
+         handle = CreateFileMapping((HANDLE)
-            handle = CreateFileMapping((HANDLE) _get_osfhandle(fildes),0,PAGE_READWRITE,0,
+               _get_osfhandle(fildes),0,PAGE_READWRITE,0,
                len, 0);
          if (!handle)
             break;
@@ -86,7 +85,7 @@ void* mmap(void *addr, size_t len, int prot, int flags, int fildes, size_t offse
          CloseHandle(handle);
          break;
    }
-   }
+
    if (map == (void*)NULL)
       return((void*)MAP_FAILED);
    return((void*) ((int8_t*)map + offset));
@@ -110,7 +109,8 @@ int mprotect(void *addr, size_t len, int prot)
 }
 
 #elif !defined(HAVE_MMAN)
-void* mmap(void *addr, size_t len, int prot, int flags, int fildes, size_t offset)
+void* mmap(void *addr, size_t len, int prot, int flags,
+      int fildes, size_t offset)
 {
    return malloc(len);
 }
@@ -123,7 +123,8 @@ int munmap(void *addr, size_t len)
 
 int mprotect(void *addr, size_t len, int prot)
 {
-   /* stub - not really needed at this point since this codepath has no dynarecs */
+   /* stub - not really needed at this point
+    * since this codepath has no dynarecs. */
    return 0;
 }
 

libretro/libretro-common/streams/file_stream.c

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (file_stream.c).
@@ -23,546 +23,344 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stdarg.h>
 #include <errno.h>
 
-#if defined(_WIN32)
+#ifdef HAVE_CONFIG_H
-#  ifdef _MSC_VER
+#include "config.h"
-#    define setmode _setmode
-#  endif
-#  ifdef _XBOX
-#    include <xtl.h>
-#    define INVALID_FILE_ATTRIBUTES -1
-#  else
-#    include <io.h>
-#    include <fcntl.h>
-#    include <direct.h>
-#    include <windows.h>
-#  endif
-#else
-#  if defined(PSP)
-#    include <pspiofilemgr.h>
-#  endif
-#  include <sys/types.h>
-#  include <sys/stat.h>
-#  if !defined(VITA)
-#  include <dirent.h>
-#  endif
-#  include <unistd.h>
-#endif
-
-#ifdef __CELLOS_LV2__
-#include <cell/cell_fs.h>
-#define O_RDONLY CELL_FS_O_RDONLY
-#define O_WRONLY CELL_FS_O_WRONLY
-#define O_CREAT CELL_FS_O_CREAT
-#define O_TRUNC CELL_FS_O_TRUNC
-#define O_RDWR CELL_FS_O_RDWR
-#else
-#include <fcntl.h>
 #endif
 
 #include <streams/file_stream.h>
-#include <memmap.h>
+#define VFS_FRONTEND
-#include <retro_miscellaneous.h>
+#include <vfs/vfs_implementation.h>
+
+static const int64_t vfs_error_return_value      = -1;
+
+static retro_vfs_get_path_t filestream_get_path_cb = NULL;
+static retro_vfs_open_t filestream_open_cb         = NULL;
+static retro_vfs_close_t filestream_close_cb       = NULL;
+static retro_vfs_size_t filestream_size_cb         = NULL;
+static retro_vfs_tell_t filestream_tell_cb         = NULL;
+static retro_vfs_seek_t filestream_seek_cb         = NULL;
+static retro_vfs_read_t filestream_read_cb         = NULL;
+static retro_vfs_write_t filestream_write_cb       = NULL;
+static retro_vfs_flush_t filestream_flush_cb       = NULL;
+static retro_vfs_remove_t filestream_remove_cb     = NULL;
+static retro_vfs_rename_t filestream_rename_cb     = NULL;
 
 struct RFILE
 {
-   unsigned hints;
+   struct retro_vfs_file_handle *hfile;
-   char *ext;
+	bool error_flag;
-   long long int size;
+	bool eof_flag;
-#if defined(PSP)
-   SceUID fd;
-#else
-
-#define HAVE_BUFFERED_IO 1
-
-#define MODE_STR_READ "r"
-#define MODE_STR_READ_UNBUF "rb"
-#define MODE_STR_WRITE_UNBUF "wb"
-#define MODE_STR_WRITE_PLUS "w+"
-
-#if defined(HAVE_BUFFERED_IO)
-   FILE *fp;
-#endif
-#if defined(HAVE_MMAP)
-   uint8_t *mapped;
-   uint64_t mappos;
-   uint64_t mapsize;
-#endif
-   int fd;
-#endif
 };
 
-int filestream_get_fd(RFILE *stream)
+/* VFS Initialization */
-{
-   if (!stream)
-      return -1;
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-      return fileno(stream->fp);
-#endif
-   return stream->fd;
-}
 
-const char *filestream_get_ext(RFILE *stream)
+void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info)
 {
-   if (!stream)
+   const struct retro_vfs_interface* vfs_iface;
-      return NULL;
-   return stream->ext;
-}
 
-long long int filestream_get_size(RFILE *stream)
+   filestream_get_path_cb = NULL;
-{
+   filestream_open_cb     = NULL;
-   if (!stream)
+   filestream_close_cb    = NULL;
-      return 0;
+   filestream_tell_cb     = NULL;
-   return stream->size;
+   filestream_size_cb     = NULL;
-}
+   filestream_seek_cb     = NULL;
+   filestream_read_cb     = NULL;
+   filestream_write_cb    = NULL;
+   filestream_flush_cb    = NULL;
+   filestream_remove_cb   = NULL;
+   filestream_rename_cb   = NULL;
 
-void filestream_set_size(RFILE *stream)
+   vfs_iface              = vfs_info->iface;
-{
+
-   if (!stream)
+   if (vfs_info->required_interface_version < FILESTREAM_REQUIRED_VFS_VERSION
+         || !vfs_iface)
       return;
 
-   filestream_seek(stream, 0, SEEK_SET);
+   filestream_get_path_cb = vfs_iface->get_path;
-   filestream_seek(stream, 0, SEEK_END);
+   filestream_open_cb     = vfs_iface->open;
-
+   filestream_close_cb    = vfs_iface->close;
-   stream->size = filestream_tell(stream);
+   filestream_size_cb     = vfs_iface->size;
-
+   filestream_tell_cb     = vfs_iface->tell;
-   filestream_seek(stream, 0, SEEK_SET);
+   filestream_seek_cb     = vfs_iface->seek;
+   filestream_read_cb     = vfs_iface->read;
+   filestream_write_cb    = vfs_iface->write;
+   filestream_flush_cb    = vfs_iface->flush;
+   filestream_remove_cb   = vfs_iface->remove;
+   filestream_rename_cb   = vfs_iface->rename;
 }
 
-RFILE *filestream_open(const char *path, unsigned mode, ssize_t len)
+/* Callback wrappers */
+bool filestream_exists(const char *path)
 {
-   int            flags = 0;
+   RFILE *dummy              = NULL;
-   int         mode_int = 0;
-#if defined(HAVE_BUFFERED_IO)
-   const char *mode_str = NULL;
-#endif
-   RFILE        *stream = (RFILE*)calloc(1, sizeof(*stream));
 
-   if (!stream)
+   if (!path || !*path)
+      return false;
+
+   dummy = filestream_open(path,
+         RETRO_VFS_FILE_ACCESS_READ,
+         RETRO_VFS_FILE_ACCESS_HINT_NONE);
+
+   if (!dummy)
+      return false;
+
+   filestream_close(dummy);
+   return true;
+}
+
+int64_t filestream_get_size(RFILE *stream)
+{
+   int64_t output;
+
+   if (filestream_size_cb != NULL)
+      output = filestream_size_cb(stream->hfile);
+   else
+      output = retro_vfs_file_size_impl((libretro_vfs_implementation_file*)stream->hfile);
+
+   if (output == vfs_error_return_value)
+      stream->error_flag = true;
+
+   return output;
+}
+
+/**
+ * filestream_open:
+ * @path               : path to file
+ * @mode               : file mode to use when opening (read/write)
+ * @hints              :
+ *
+ * Opens a file for reading or writing, depending on the requested mode.
+ * Returns a pointer to an RFILE if opened successfully, otherwise NULL.
+ **/
+RFILE *filestream_open(const char *path, unsigned mode, unsigned hints)
+{
+   struct retro_vfs_file_handle  *fp = NULL;
+   RFILE* output                     = NULL;
+
+   if (filestream_open_cb != NULL)
+      fp = (struct retro_vfs_file_handle*)
+         filestream_open_cb(path, mode, hints);
+   else
+      fp = (struct retro_vfs_file_handle*)
+         retro_vfs_file_open_impl(path, mode, hints);
+
+   if (!fp)
       return NULL;
 
-   (void)mode_int;
+   output             = (RFILE*)malloc(sizeof(RFILE));
-   (void)flags;
+   output->error_flag = false;
-
+   output->eof_flag   = false;
-   stream->hints = mode;
+   output->hfile      = fp;
-
+   return output;
-#ifdef HAVE_MMAP
-   if (stream->hints & RFILE_HINT_MMAP && (stream->hints & 0xff) == RFILE_MODE_READ)
-      stream->hints |= RFILE_HINT_UNBUFFERED;
-   else
-#endif
-      stream->hints &= ~RFILE_HINT_MMAP;
-
-   switch (mode & 0xff)
-   {
-      case RFILE_MODE_READ_TEXT:
-#if  defined(PSP)
-         mode_int = 0666;
-         flags    = PSP_O_RDONLY;
-#else
-#if defined(HAVE_BUFFERED_IO)
-         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-            mode_str = MODE_STR_READ;
-#endif
-         /* No "else" here */
-         flags    = O_RDONLY;
-#endif
-         break;
-      case RFILE_MODE_READ:
-#if  defined(PSP)
-         mode_int = 0666;
-         flags    = PSP_O_RDONLY;
-#else
-#if defined(HAVE_BUFFERED_IO)
-         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-            mode_str = MODE_STR_READ_UNBUF;
-#endif
-         /* No "else" here */
-         flags    = O_RDONLY;
-#endif
-         break;
-      case RFILE_MODE_WRITE:
-#if  defined(PSP)
-         mode_int = 0666;
-         flags    = PSP_O_CREAT | PSP_O_WRONLY | PSP_O_TRUNC;
-#else
-#if defined(HAVE_BUFFERED_IO)
-         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-            mode_str = MODE_STR_WRITE_UNBUF;
-#endif
-         else
-         {
-            flags    = O_WRONLY | O_CREAT | O_TRUNC;
-#ifndef _WIN32
-            flags   |=  S_IRUSR | S_IWUSR;
-#endif
-         }
-#endif
-         break;
-      case RFILE_MODE_READ_WRITE:
-#if  defined(PSP)
-         mode_int = 0666;
-         flags    = PSP_O_RDWR;
-#else
-#if defined(HAVE_BUFFERED_IO)
-         if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-            mode_str = MODE_STR_WRITE_PLUS;
-#endif
-         else
-         {
-            flags    = O_RDWR;
-#ifdef _WIN32
-            flags   |= O_BINARY;
-#endif
-         }
-#endif
-         break;
-   }
-
-#if  defined(PSP)
-   stream->fd = sceIoOpen(path, flags, mode_int);
-#else
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0 && mode_str)
-   {
-      stream->fp = fopen(path, mode_str);
-      if (!stream->fp)
-         goto error;
-   }
-   else
-#endif
-   {
-      /* FIXME: HAVE_BUFFERED_IO is always 1, but if it is ever changed, open() needs to be changed to _wopen() for WIndows. */
-      stream->fd = open(path, flags, mode_int);
-      if (stream->fd == -1)
-         goto error;
-#ifdef HAVE_MMAP
-      if (stream->hints & RFILE_HINT_MMAP)
-      {
-         stream->mappos  = 0;
-         stream->mapped  = NULL;
-         stream->mapsize = filestream_seek(stream, 0, SEEK_END);
-
-         if (stream->mapsize == (uint64_t)-1)
-            goto error;
-
-         filestream_rewind(stream);
-
-         stream->mapped = (uint8_t*)mmap((void*)0,
-               stream->mapsize, PROT_READ,  MAP_SHARED, stream->fd, 0);
-
-         if (stream->mapped == MAP_FAILED)
-            stream->hints &= ~RFILE_HINT_MMAP;
-      }
-#endif
-   }
-#endif
-
-#if  defined(PSP)
-   if (stream->fd == -1)
-      goto error;
-#endif
-
-   {
-      const char *ld = (const char*)strrchr(path, '.');
-      stream->ext    = strdup(ld ? ld + 1 : "");
-   }
-
-   filestream_set_size(stream);
-
-   return stream;
-
-error:
-   filestream_close(stream);
-   return NULL;
-}
-
-char *filestream_getline(RFILE *stream)
-{
-   char* newline     = (char*)malloc(9);
-   char* newline_tmp = NULL;
-   size_t cur_size   = 8;
-   size_t idx        = 0;
-   int in            = filestream_getc(stream);
-
-   if (!newline)
-      return NULL;
-
-   while (in != EOF && in != '\n')
-   {
-      if (idx == cur_size)
-      {
-         cur_size *= 2;
-         newline_tmp = (char*)realloc(newline, cur_size + 1);
-
-         if (!newline_tmp)
-         {
-            free(newline);
-            return NULL;
-         }
-
-         newline = newline_tmp;
-      }
-
-      newline[idx++] = in;
-      in             = filestream_getc(stream);
-   }
-
-   newline[idx] = '\0';
-   return newline; 
 }
 
 char *filestream_gets(RFILE *stream, char *s, size_t len)
 {
+   int c   = 0;
+   char *p = s;
    if (!stream)
       return NULL;
-#if defined(HAVE_BUFFERED_IO)
+
-   return fgets(s, (int)len, stream->fp);
+   /* get max bytes or up to a newline */
-#elif  defined(PSP)
+
-   if(filestream_read(stream,s,len)==len)
+   for (len--; len > 0; len--)
-      return s;
+   {
+      if ((c = filestream_getc(stream)) == EOF)
+         break;
+      *p++ = c;
+      if (c == '\n')
+         break;
+   }
+   *p = 0;
+
+   if (p == s && c == EOF)
       return NULL;
-#else
+   return (s);
-   return gets(s);
-#endif
 }
 
 int filestream_getc(RFILE *stream)
 {
    char c = 0;
-   (void)c;
    if (!stream)
       return 0;
-#if defined(HAVE_BUFFERED_IO)
-    return fgetc(stream->fp);
-#elif  defined(PSP)
    if(filestream_read(stream, &c, 1) == 1)
       return (int)c;
    return EOF;
-#else
-   return getc(stream->fd);
-#endif
 }
 
-ssize_t filestream_seek(RFILE *stream, ssize_t offset, int whence)
+int64_t filestream_seek(RFILE *stream, int64_t offset, int seek_position)
 {
-   if (!stream)
+   int64_t output;
-      goto error;
 
-#if  defined(PSP)
+   if (filestream_seek_cb != NULL)
-   if (sceIoLseek(stream->fd, (SceOff)offset, whence) == -1)
+      output = filestream_seek_cb(stream->hfile, offset, seek_position);
-      goto error;
+   else
-#else
+      output = retro_vfs_file_seek_impl((libretro_vfs_implementation_file*)stream->hfile, offset, seek_position);
 
-#if defined(HAVE_BUFFERED_IO)
+   if (output == vfs_error_return_value)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+      stream->error_flag = true;
-      return fseek(stream->fp, (long)offset, whence);
+   stream->eof_flag = false;
-#endif
 
-#ifdef HAVE_MMAP
+   return output;
-   /* Need to check stream->mapped because this function is 
-    * called in filestream_open() */
-   if (stream->mapped && stream->hints & RFILE_HINT_MMAP)
-   {
-      /* fseek() returns error on under/overflow but allows cursor > EOF for
-         read-only file descriptors. */
-      switch (whence)
-      {
-         case SEEK_SET:
-            if (offset < 0)
-               goto error;
-
-            stream->mappos = offset;
-            break;
-
-         case SEEK_CUR:
-            if ((offset < 0 && stream->mappos + offset > stream->mappos) ||
-                  (offset > 0 && stream->mappos + offset < stream->mappos))
-               goto error;
-
-            stream->mappos += offset;
-            break;
-
-         case SEEK_END:
-            if (stream->mapsize + offset < stream->mapsize)
-               goto error;
-
-            stream->mappos = stream->mapsize + offset;
-            break;
-      }
-      return stream->mappos;
-   }
-#endif
-
-   if (lseek(stream->fd, offset, whence) < 0)
-      goto error;
-
-#endif
-
-   return 0;
-
-error:
-   return -1;
 }
 
 int filestream_eof(RFILE *stream)
 {
-   size_t current_position = filestream_tell(stream);
+   return stream->eof_flag;
-   size_t end_position     = filestream_seek(stream, 0, SEEK_END);
-
-   filestream_seek(stream, current_position, SEEK_SET);
-
-   if (current_position >= end_position)
-      return 1;
-   return 0;
 }
 
-ssize_t filestream_tell(RFILE *stream)
+
+int64_t filestream_tell(RFILE *stream)
 {
-   if (!stream)
+   int64_t output;
-      goto error;
-#if  defined(PSP)
-  if (sceIoLseek(stream->fd, 0, SEEK_CUR) < 0)
-     goto error;
-#else
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-      return ftell(stream->fp);
-#endif
-#ifdef HAVE_MMAP
-   /* Need to check stream->mapped because this function 
-    * is called in filestream_open() */
-   if (stream->mapped && stream->hints & RFILE_HINT_MMAP)
-      return stream->mappos;
-#endif
-   if (lseek(stream->fd, 0, SEEK_CUR) < 0)
-      goto error;
-#endif
 
-   return 0;
+   if (filestream_size_cb != NULL)
+      output = filestream_tell_cb(stream->hfile);
+   else
+      output = retro_vfs_file_tell_impl((libretro_vfs_implementation_file*)stream->hfile);
 
-error:
+   if (output == vfs_error_return_value)
-   return -1;
+      stream->error_flag = true;
+
+   return output;
 }
 
 void filestream_rewind(RFILE *stream)
 {
-   filestream_seek(stream, 0L, SEEK_SET);
+   if (!stream)
+      return;
+   filestream_seek(stream, 0L, RETRO_VFS_SEEK_POSITION_START);
+   stream->error_flag = false;
+   stream->eof_flag = false;
 }
 
-ssize_t filestream_read(RFILE *stream, void *s, size_t len)
+int64_t filestream_read(RFILE *stream, void *s, int64_t len)
 {
-   if (!stream || !s)
+   int64_t output;
-      goto error;
-#if  defined(PSP)
-   return sceIoRead(stream->fd, s, len);
-#else
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-      return fread(s, 1, len, stream->fp);
-#endif
-#ifdef HAVE_MMAP
-   if (stream->hints & RFILE_HINT_MMAP)
-   {
-      if (stream->mappos > stream->mapsize)
-         goto error;
 
-      if (stream->mappos + len > stream->mapsize)
+   if (filestream_read_cb != NULL)
-         len = stream->mapsize - stream->mappos;
+      output = filestream_read_cb(stream->hfile, s, len);
+   else
+      output = retro_vfs_file_read_impl(
+            (libretro_vfs_implementation_file*)stream->hfile, s, len);
 
-      memcpy(s, &stream->mapped[stream->mappos], len);
+   if (output == vfs_error_return_value)
-      stream->mappos += len;
+      stream->error_flag = true;
+   if (output < len)
+      stream->eof_flag = true;
 
-      return len;
+   return output;
-   }
-#endif
-   return read(stream->fd, s, len);
-#endif
-
-error:
-   return -1;
 }
 
 int filestream_flush(RFILE *stream)
 {
-#if defined(HAVE_BUFFERED_IO)
+   int output;
-   return fflush(stream->fp);
+
-#else
+   if (filestream_flush_cb != NULL)
-   return 0;
+      output = filestream_flush_cb(stream->hfile);
-#endif
+   else
+      output = retro_vfs_file_flush_impl((libretro_vfs_implementation_file*)stream->hfile);
+
+   if (output == vfs_error_return_value)
+      stream->error_flag = true;
+
+   return output;
 }
 
-ssize_t filestream_write(RFILE *stream, const void *s, size_t len)
+int filestream_delete(const char *path)
 {
-   if (!stream)
+   if (filestream_remove_cb != NULL)
-      goto error;
+      return filestream_remove_cb(path);
-#if  defined(PSP)
-   return sceIoWrite(stream->fd, s, len);
-#else
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-      return fwrite(s, 1, len, stream->fp);
-#endif
-#ifdef HAVE_MMAP
-   if (stream->hints & RFILE_HINT_MMAP)
-      goto error;
-#endif
-   return write(stream->fd, s, len);
-#endif
 
-error:
+   return retro_vfs_file_remove_impl(path);
-   return -1;
+}
+
+int filestream_rename(const char *old_path, const char *new_path)
+{
+   if (filestream_rename_cb != NULL)
+      return filestream_rename_cb(old_path, new_path);
+
+   return retro_vfs_file_rename_impl(old_path, new_path);
+}
+
+const char *filestream_get_path(RFILE *stream)
+{
+   if (filestream_get_path_cb != NULL)
+      return filestream_get_path_cb(stream->hfile);
+
+   return retro_vfs_file_get_path_impl((libretro_vfs_implementation_file*)stream->hfile);
+}
+
+int64_t filestream_write(RFILE *stream, const void *s, int64_t len)
+{
+   int64_t output;
+
+   if (filestream_write_cb != NULL)
+      output = filestream_write_cb(stream->hfile, s, len);
+   else
+      output = retro_vfs_file_write_impl((libretro_vfs_implementation_file*)stream->hfile, s, len);
+
+   if (output == vfs_error_return_value)
+      stream->error_flag = true;
+
+   return output;
 }
 
 int filestream_putc(RFILE *stream, int c)
 {
+   char c_char = (char)c;
    if (!stream)
       return EOF;
+   return filestream_write(stream, &c_char, 1)==1 ? c : EOF;
+}
 
-#if defined(HAVE_BUFFERED_IO)
+int filestream_vprintf(RFILE *stream, const char* format, va_list args)
-   return fputc(c, stream->fp);
+{
-#else
+   static char buffer[8 * 1024];
-   /* unimplemented */
+   int64_t num_chars = vsprintf(buffer, format, args);
-   return EOF;
+
-#endif
+   if (num_chars < 0)
+      return -1;
+   else if (num_chars == 0)
+      return 0;
+
+   return (int)filestream_write(stream, buffer, num_chars);
+}
+
+int filestream_printf(RFILE *stream, const char* format, ...)
+{
+   va_list vl;
+   int result;
+   va_start(vl, format);
+   result = filestream_vprintf(stream, format, vl);
+   va_end(vl);
+   return result;
+}
+
+int filestream_error(RFILE *stream)
+{
+   if (stream && stream->error_flag)
+      return 1;
+   return 0;
 }
 
 int filestream_close(RFILE *stream)
 {
-   if (!stream)
+   int output;
-      goto error;
+   struct retro_vfs_file_handle* fp = stream->hfile;
 
-   if (stream->ext)
+   if (filestream_close_cb != NULL)
-      free(stream->ext);
+      output = filestream_close_cb(fp);
-
-#if  defined(PSP)
-   if (stream->fd > 0)
-      sceIoClose(stream->fd);
-#else
-#if defined(HAVE_BUFFERED_IO)
-   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
-   {
-      if (stream->fp)
-         fclose(stream->fp);
-   }
    else
-#endif
+      output = retro_vfs_file_close_impl((libretro_vfs_implementation_file*)fp);
-#ifdef HAVE_MMAP
-      if (stream->hints & RFILE_HINT_MMAP)
-         munmap(stream->mapped, stream->mapsize);
-#endif
 
-   if (stream->fd > 0)
+   if (output == 0)
-      close(stream->fd);
-#endif
       free(stream);
 
-   return 0;
+   return output;
-
-error:
-   return -1;
 }
 
 /**
@@ -575,12 +373,14 @@ error:
  *
  * Returns: number of items read, -1 on error.
  */
-int filestream_read_file(const char *path, void **buf, ssize_t *len)
+int64_t filestream_read_file(const char *path, void **buf, int64_t *len)
 {
-   ssize_t ret              = 0;
+   int64_t ret              = 0;
-   ssize_t content_buf_size = 0;
+   int64_t content_buf_size = 0;
    void *content_buf        = NULL;
-   RFILE *file              = filestream_open(path, RFILE_MODE_READ, -1);
+   RFILE *file              = filestream_open(path,
+         RETRO_VFS_FILE_ACCESS_READ,
+         RETRO_VFS_FILE_ACCESS_HINT_NONE);
 
    if (!file)
    {
@@ -588,21 +388,19 @@ int filestream_read_file(const char *path, void **buf, ssize_t *len)
       goto error;
    }
 
-   if (filestream_seek(file, 0, SEEK_END) != 0)
+   content_buf_size = filestream_get_size(file);
-      goto error;
 
-   content_buf_size = filestream_tell(file);
    if (content_buf_size < 0)
       goto error;
 
-   filestream_rewind(file);
+   content_buf      = malloc((size_t)(content_buf_size + 1));
-
-   content_buf = malloc(content_buf_size + 1);
 
    if (!content_buf)
       goto error;
+   if ((int64_t)(uint64_t)(content_buf_size + 1) != (content_buf_size + 1))
+      goto error;
 
-   ret = filestream_read(file, content_buf, content_buf_size);
+   ret = filestream_read(file, content_buf, (int64_t)content_buf_size);
    if (ret < 0)
    {
       fprintf(stderr, "Failed to read %s: %s\n", path, strerror(errno));
@@ -643,10 +441,12 @@ error:
  *
  * Returns: true (1) on success, false (0) otherwise.
  */
-bool filestream_write_file(const char *path, const void *data, ssize_t size)
+bool filestream_write_file(const char *path, const void *data, int64_t size)
 {
-   ssize_t ret   = 0;
+   int64_t ret   = 0;
-   RFILE *file   = filestream_open(path, RFILE_MODE_WRITE, -1);
+   RFILE *file   = filestream_open(path,
+         RETRO_VFS_FILE_ACCESS_WRITE,
+         RETRO_VFS_FILE_ACCESS_HINT_NONE);
    if (!file)
       return false;
 
@@ -658,3 +458,44 @@ bool filestream_write_file(const char *path, const void *data, ssize_t size)
 
    return true;
 }
+
+char *filestream_getline(RFILE *stream)
+{
+   char* newline_tmp  = NULL;
+   size_t cur_size    = 8;
+   size_t idx         = 0;
+   int in             = 0;
+   char* newline      = (char*)malloc(9);
+
+   if (!stream || !newline)
+   {
+      if (newline)
+         free(newline);
+      return NULL;
+   }
+
+   in                 = filestream_getc(stream);
+
+   while (in != EOF && in != '\n')
+   {
+      if (idx == cur_size)
+      {
+         cur_size    *= 2;
+         newline_tmp  = (char*)realloc(newline, cur_size + 1);
+
+         if (!newline_tmp)
+         {
+            free(newline);
+            return NULL;
+         }
+
+         newline     = newline_tmp;
+      }
+
+      newline[idx++] = in;
+      in             = filestream_getc(stream);
+   }
+
+   newline[idx]      = '\0';
+   return newline;
+}

libretro/libretro-common/streams/file_stream_transforms.c

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2017 The RetroArch team
+/* Copyright  (C) 2010-2018 The RetroArch team
 *
 * ---------------------------------------------------------------------------------------
 * The following license statement only applies to this file (file_stream_transforms.c).
@@ -20,22 +20,51 @@
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#include <streams/file_stream.h>
 #include <string.h>
+#include <stdarg.h>
 
-RFILE* rfopen(const char *path, char *mode)
+#include <libretro.h>
+#include <streams/file_stream.h>
+
+RFILE* rfopen(const char *path, const char *mode)
 {
-   unsigned int retro_mode = RFILE_MODE_READ_TEXT;
+   RFILE          *output  = NULL;
+   unsigned int retro_mode = RETRO_VFS_FILE_ACCESS_READ;
+   bool position_to_end    = false;
+
    if (strstr(mode, "r"))
-      if (strstr(mode, "b"))
+   {
-         retro_mode = RFILE_MODE_READ;
+      retro_mode = RETRO_VFS_FILE_ACCESS_READ;
-
-   if (strstr(mode, "w"))
-      retro_mode = RFILE_MODE_WRITE;
       if (strstr(mode, "+"))
-      retro_mode = RFILE_MODE_READ_WRITE;
+      {
+         retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE | 
+            RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
+      }
+   }
+   else if (strstr(mode, "w"))
+   {
+      retro_mode = RETRO_VFS_FILE_ACCESS_WRITE;
+      if (strstr(mode, "+"))
+         retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE;
+   }
+   else if (strstr(mode, "a"))
+   {
+      retro_mode = RETRO_VFS_FILE_ACCESS_WRITE | 
+         RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
+      position_to_end = true;
+      if (strstr(mode, "+"))
+      {
+         retro_mode = RETRO_VFS_FILE_ACCESS_READ_WRITE | 
+            RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING;
+      }
+   }
 
-   return filestream_open(path, retro_mode, -1);
+   output = filestream_open(path, retro_mode,
+         RETRO_VFS_FILE_ACCESS_HINT_NONE);
+   if (output && position_to_end)
+      filestream_seek(output, 0, RETRO_VFS_SEEK_POSITION_END);
+
+   return output;
 }
 
 int rfclose(RFILE* stream)
@@ -43,20 +72,34 @@ int rfclose(RFILE* stream)
    return filestream_close(stream);
 }
 
-long rftell(RFILE* stream)
+int64_t rftell(RFILE* stream)
 {
    return filestream_tell(stream);
 }
 
-int rfseek(RFILE* stream, long offset, int origin)
+int64_t rfseek(RFILE* stream, int64_t offset, int origin)
 {
-   return filestream_seek(stream, offset, origin);
+   int seek_position = -1;
+   switch (origin)
+   {
+      case SEEK_SET:
+         seek_position = RETRO_VFS_SEEK_POSITION_START;
+         break;
+      case SEEK_CUR:
+         seek_position = RETRO_VFS_SEEK_POSITION_CURRENT;
+         break;
+      case SEEK_END:
+         seek_position = RETRO_VFS_SEEK_POSITION_END;
+         break;
    }
 
-size_t rfread(void* buffer,
+   return filestream_seek(stream, offset, seek_position);
-   size_t elementSize, size_t elementCount, RFILE* stream)
+}
+
+int64_t rfread(void* buffer,
+   size_t elem_size, size_t elem_count, RFILE* stream)
 {
-   return filestream_read(stream, buffer, elementSize*elementCount);
+   return filestream_read(stream, buffer, elem_size * elem_count);
 }
 
 char *rfgets(char *buffer, int maxCount, RFILE* stream)
@@ -64,8 +107,38 @@ char *rfgets(char *buffer, int maxCount, RFILE* stream)
    return filestream_gets(stream, buffer, maxCount);
 }
 
-size_t rfwrite(void const* buffer,
+int rfgetc(RFILE* stream)
-   size_t elementSize, size_t elementCount, RFILE* stream)
 {
-   return filestream_write(stream, buffer, elementSize*elementCount);
+	return filestream_getc(stream);
+}
+
+int64_t rfwrite(void const* buffer,
+   size_t elem_size, size_t elem_count, RFILE* stream)
+{
+   return filestream_write(stream, buffer, elem_size * elem_count);
+}
+
+int rfputc(int character, RFILE * stream)
+{
+    return filestream_putc(stream, character);
+}
+
+int rfprintf(RFILE * stream, const char * format, ...)
+{
+   int result;
+	va_list vl;
+	va_start(vl, format);
+	result = filestream_vprintf(stream, format, vl);
+	va_end(vl);
+	return result;
+}
+
+int rferror(RFILE* stream)
+{
+   return filestream_error(stream);
+}
+
+int rfeof(RFILE* stream)
+{
+   return filestream_eof(stream);
 }

libretro/libretro-common/vfs/vfs_implementation.c

@@ -0,0 +1,591 @@
+/* Copyright  (C) 2010-2018 The RetroArch team
+*
+* ---------------------------------------------------------------------------------------
+* The following license statement only applies to this file (vfs_implementation.c).
+* ---------------------------------------------------------------------------------------
+*
+* Permission is hereby granted, free of charge,
+* to any person obtaining a copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation the rights to
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#if defined(_WIN32)
+#  ifdef _MSC_VER
+#    define setmode _setmode
+#  endif
+#  ifdef _XBOX
+#    include <xtl.h>
+#    define INVALID_FILE_ATTRIBUTES -1
+#  else
+#    include <io.h>
+#    include <fcntl.h>
+#    include <direct.h>
+#    include <windows.h>
+#  endif
+#else
+#  if defined(PSP)
+#    include <pspiofilemgr.h>
+#  endif
+#  include <sys/types.h>
+#  include <sys/stat.h>
+#  if !defined(VITA)
+#  include <dirent.h>
+#  endif
+#  include <unistd.h>
+#endif
+
+#ifdef __CELLOS_LV2__
+#include <cell/cell_fs.h>
+#define O_RDONLY CELL_FS_O_RDONLY
+#define O_WRONLY CELL_FS_O_WRONLY
+#define O_CREAT CELL_FS_O_CREAT
+#define O_TRUNC CELL_FS_O_TRUNC
+#define O_RDWR CELL_FS_O_RDWR
+#else
+#include <fcntl.h>
+#endif
+
+/* Assume W-functions do not work below Win2K and Xbox platforms */
+#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500 || defined(_XBOX)
+
+#ifndef LEGACY_WIN32
+#define LEGACY_WIN32
+#endif
+
+#endif
+
+#if defined(_WIN32) && !defined(_XBOX)
+#if !defined(_MSC_VER) || (defined(_MSC_VER) && _MSC_VER >= 1400)
+#define ATLEAST_VC2005
+#endif
+#endif
+
+#ifdef RARCH_INTERNAL
+#ifndef VFS_FRONTEND
+#define VFS_FRONTEND
+#endif
+#endif
+
+#include <vfs/vfs_implementation.h>
+#include <libretro.h>
+#include <memmap.h>
+#include <encodings/utf.h>
+#include <compat/fopen_utf8.h>
+
+#define RFILE_HINT_UNBUFFERED (1 << 8)
+
+#ifdef VFS_FRONTEND
+struct retro_vfs_file_handle
+#else
+struct libretro_vfs_implementation_file
+#endif
+{
+   int fd;
+   unsigned hints;
+   int64_t size;
+   char *buf;
+   FILE *fp;
+   char* orig_path;
+#if defined(HAVE_MMAP)
+   uint64_t mappos;
+   uint64_t mapsize;
+   uint8_t *mapped;
+#endif
+};
+
+int64_t retro_vfs_file_seek_internal(libretro_vfs_implementation_file *stream, int64_t offset, int whence)
+{
+   if (!stream)
+      goto error;
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+/* VC2005 and up have a special 64-bit fseek */
+#ifdef ATLEAST_VC2005
+      return _fseeki64(stream->fp, offset, whence);
+#elif defined(__CELLOS_LV2__) || defined(_MSC_VER) && _MSC_VER <= 1310
+      return fseek(stream->fp, (long)offset, whence);
+#else
+      return fseeko(stream->fp, (off_t)offset, whence);
+#endif
+
+#ifdef HAVE_MMAP
+   /* Need to check stream->mapped because this function is
+    * called in filestream_open() */
+   if (stream->mapped && stream->hints & 
+         RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+   {
+      /* fseek() returns error on under/overflow but 
+       * allows cursor > EOF for
+       read-only file descriptors. */
+      switch (whence)
+      {
+         case SEEK_SET:
+            if (offset < 0)
+               goto error;
+
+            stream->mappos = offset;
+            break;
+
+         case SEEK_CUR:
+            if ((offset   < 0 && stream->mappos + offset > stream->mappos) ||
+                  (offset > 0 && stream->mappos + offset < stream->mappos))
+               goto error;
+
+            stream->mappos += offset;
+            break;
+
+         case SEEK_END:
+            if (stream->mapsize + offset < stream->mapsize)
+               goto error;
+
+            stream->mappos = stream->mapsize + offset;
+            break;
+      }
+      return stream->mappos;
+   }
+#endif
+
+   if (lseek(stream->fd, offset, whence) < 0)
+      goto error;
+
+   return 0;
+
+error:
+   return -1;
+}
+
+/**
+ * retro_vfs_file_open_impl:
+ * @path               : path to file
+ * @mode               : file mode to use when opening (read/write)
+ * @hints              :
+ *
+ * Opens a file for reading or writing, depending on the requested mode.
+ * Returns a pointer to an RFILE if opened successfully, otherwise NULL.
+ **/
+
+libretro_vfs_implementation_file *retro_vfs_file_open_impl(const char *path, unsigned mode, unsigned hints)
+{
+   int                                flags = 0;
+   const char                     *mode_str = NULL;
+   libretro_vfs_implementation_file *stream = (libretro_vfs_implementation_file*)calloc(1, sizeof(*stream));
+
+#ifdef VFS_FRONTEND
+   const char                 *dumb_prefix  = "vfsonly://";
+
+   if (!memcmp(path, dumb_prefix, strlen(dumb_prefix)))
+      path += strlen(dumb_prefix);
+#endif
+
+   if (!stream)
+      return NULL;
+
+   (void)flags;
+
+   stream->hints           = hints;
+   stream->orig_path       = strdup(path);
+
+#ifdef HAVE_MMAP
+   if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS && mode == RETRO_VFS_FILE_ACCESS_READ)
+      stream->hints |= RFILE_HINT_UNBUFFERED;
+   else
+#endif
+      stream->hints &= ~RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS;
+
+   switch (mode)
+   {
+      case RETRO_VFS_FILE_ACCESS_READ:
+         mode_str = "rb";
+
+         flags    = O_RDONLY;
+#ifdef _WIN32
+         flags   |= O_BINARY;
+#endif
+         break;
+
+      case RETRO_VFS_FILE_ACCESS_WRITE:
+         mode_str = "wb";
+
+         flags    = O_WRONLY | O_CREAT | O_TRUNC;
+#ifndef _WIN32
+         flags   |= S_IRUSR | S_IWUSR;
+#else
+         flags   |= O_BINARY;
+#endif
+         break;
+
+      case RETRO_VFS_FILE_ACCESS_READ_WRITE:
+         mode_str = "w+b";
+
+         flags    = O_RDWR | O_CREAT | O_TRUNC;
+#ifndef _WIN32
+         flags   |= S_IRUSR | S_IWUSR;
+#else
+         flags   |= O_BINARY;
+#endif
+         break;
+
+      case RETRO_VFS_FILE_ACCESS_WRITE | RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING:
+      case RETRO_VFS_FILE_ACCESS_READ_WRITE | RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING:
+         mode_str = "r+b";
+
+         flags    = O_RDWR;
+#ifndef _WIN32
+         flags   |= S_IRUSR | S_IWUSR;
+#else
+         flags   |= O_BINARY;
+#endif
+         break;
+         
+      default:
+         goto error;
+   }
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+   {
+      FILE   *fp = (FILE*)fopen_utf8(path, mode_str);
+
+      if (!fp)
+         goto error;
+
+      /* Regarding setvbuf:
+       *
+       * https://www.freebsd.org/cgi/man.cgi?query=setvbuf&apropos=0&sektion=0&manpath=FreeBSD+11.1-RELEASE&arch=default&format=html
+       *
+       * If the size argument is not zero but buf is NULL, a buffer of the given size will be allocated immediately, and
+       * released on close. This is an extension to ANSI C.
+       *
+       * Since C89 does not support specifying a null buffer with a non-zero size, we create and track our own buffer for it.
+       */
+      /* TODO: this is only useful for a few platforms, find which and add ifdef */
+      stream->fp  = fp;
+      stream->buf = (char*)calloc(1, 0x4000);
+      setvbuf(stream->fp, stream->buf, _IOFBF, 0x4000);
+   }
+   else
+   {
+#if defined(_WIN32) && !defined(_XBOX)
+#if defined(LEGACY_WIN32)
+      char *path_local    = utf8_to_local_string_alloc(path);
+      stream->fd          = open(path_local, flags, 0);
+      if (path_local)
+         free(path_local);
+#else
+      wchar_t * path_wide = utf8_to_utf16_string_alloc(path);
+      stream->fd          = _wopen(path_wide, flags, 0);
+      if (path_wide)
+         free(path_wide);
+#endif
+#else
+      stream->fd = open(path, flags, 0);
+#endif
+
+      if (stream->fd == -1)
+         goto error;
+
+#ifdef HAVE_MMAP
+      if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+      {
+         stream->mappos  = 0;
+         stream->mapped  = NULL;
+         stream->mapsize = retro_vfs_file_seek_internal(stream, 0, SEEK_END);
+
+         if (stream->mapsize == (uint64_t)-1)
+            goto error;
+
+         retro_vfs_file_seek_internal(stream, 0, SEEK_SET);
+
+         stream->mapped = (uint8_t*)mmap((void*)0,
+               stream->mapsize, PROT_READ,  MAP_SHARED, stream->fd, 0);
+
+         if (stream->mapped == MAP_FAILED)
+            stream->hints &= ~RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS;
+      }
+#endif
+   }
+
+   retro_vfs_file_seek_internal(stream, 0, SEEK_SET);
+   retro_vfs_file_seek_internal(stream, 0, SEEK_END);
+
+   stream->size = retro_vfs_file_tell_impl(stream);
+
+   retro_vfs_file_seek_internal(stream, 0, SEEK_SET);
+
+   return stream;
+
+error:
+   retro_vfs_file_close_impl(stream);
+   return NULL;
+}
+
+int retro_vfs_file_close_impl(libretro_vfs_implementation_file *stream)
+{
+   if (!stream)
+      return -1;
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+   {
+      if (stream->fp)
+         fclose(stream->fp);
+   }
+   else
+   {
+#ifdef HAVE_MMAP
+      if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+         munmap(stream->mapped, stream->mapsize);
+#endif
+   }
+
+   if (stream->fd > 0)
+      close(stream->fd);
+   if (stream->buf)
+      free(stream->buf);
+   if (stream->orig_path)
+      free(stream->orig_path);
+   free(stream);
+
+   return 0;
+}
+
+int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream)
+{
+   return ferror(stream->fp);
+}
+
+int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
+{
+   if (!stream)
+      return 0;
+   return stream->size;
+}
+
+int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
+{
+   if (!stream)
+      return -1;
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+/* VC2005 and up have a special 64-bit ftell */
+#ifdef ATLEAST_VC2005
+      return _ftelli64(stream->fp);
+#else
+      return ftell(stream->fp);
+#endif
+
+#ifdef HAVE_MMAP
+   /* Need to check stream->mapped because this function
+    * is called in filestream_open() */
+   if (stream->mapped && stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+      return stream->mappos;
+#endif
+   if (lseek(stream->fd, 0, SEEK_CUR) < 0)
+      return -1;
+
+   return 0;
+}
+
+int64_t retro_vfs_file_seek_impl(libretro_vfs_implementation_file *stream, int64_t offset, int seek_position)
+{
+   int whence = -1;
+   switch (seek_position)
+   {
+      case RETRO_VFS_SEEK_POSITION_START:
+         whence = SEEK_SET;
+         break;
+      case RETRO_VFS_SEEK_POSITION_CURRENT:
+         whence = SEEK_CUR;
+         break;
+      case RETRO_VFS_SEEK_POSITION_END:
+         whence = SEEK_END;
+         break;
+   }
+
+   return retro_vfs_file_seek_internal(stream, offset, whence);
+}
+
+int64_t retro_vfs_file_read_impl(libretro_vfs_implementation_file *stream, void *s, uint64_t len)
+{
+   if (!stream || !s)
+      goto error;
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+      return fread(s, 1, (size_t)len, stream->fp);
+
+#ifdef HAVE_MMAP
+   if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+   {
+      if (stream->mappos > stream->mapsize)
+         goto error;
+
+      if (stream->mappos + len > stream->mapsize)
+         len = stream->mapsize - stream->mappos;
+
+      memcpy(s, &stream->mapped[stream->mappos], len);
+      stream->mappos += len;
+
+      return len;
+   }
+#endif
+
+   return read(stream->fd, s, (size_t)len);
+
+error:
+   return -1;
+}
+
+int64_t retro_vfs_file_write_impl(libretro_vfs_implementation_file *stream, const void *s, uint64_t len)
+{
+   if (!stream)
+      goto error;
+
+   if ((stream->hints & RFILE_HINT_UNBUFFERED) == 0)
+      return fwrite(s, 1, (size_t)len, stream->fp);
+
+#ifdef HAVE_MMAP
+   if (stream->hints & RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS)
+      goto error;
+#endif
+   return write(stream->fd, s, (size_t)len);
+
+error:
+   return -1;
+}
+
+int retro_vfs_file_flush_impl(libretro_vfs_implementation_file *stream)
+{
+   if (!stream)
+      return -1;
+   return fflush(stream->fp)==0 ? 0 : -1;
+}
+
+int retro_vfs_file_remove_impl(const char *path)
+{
+   char *path_local    = NULL;
+   wchar_t *path_wide  = NULL;
+
+   if (!path || !*path)
+      return -1;
+
+   (void)path_local;
+   (void)path_wide;
+
+#if defined(_WIN32) && !defined(_XBOX)
+#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
+   path_local = utf8_to_local_string_alloc(path);
+
+   if (path_local)
+   {
+      int ret = remove(path_local);
+      free(path_local);
+
+      if (ret == 0)
+         return 0;
+   }
+#else
+   path_wide = utf8_to_utf16_string_alloc(path);
+
+   if (path_wide)
+   {
+      int ret = _wremove(path_wide);
+      free(path_wide);
+
+      if (ret == 0)
+         return 0;
+   }
+#endif
+#else
+   if (remove(path) == 0)
+      return 0;
+#endif
+   return -1;
+}
+
+int retro_vfs_file_rename_impl(const char *old_path, const char *new_path)
+{
+   char *old_path_local    = NULL;
+   char *new_path_local    = NULL;
+   wchar_t *old_path_wide  = NULL;
+   wchar_t *new_path_wide  = NULL;
+
+   if (!old_path || !*old_path || !new_path || !*new_path)
+      return -1;
+
+   (void)old_path_local;
+   (void)new_path_local;
+   (void)old_path_wide;
+   (void)new_path_wide;
+
+#if defined(_WIN32) && !defined(_XBOX)
+#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0500
+   old_path_local = utf8_to_local_string_alloc(old_path);
+   new_path_local = utf8_to_local_string_alloc(new_path);
+
+   if (old_path_local)
+   {
+      if (new_path_local)
+      {
+         int ret = rename(old_path_local, new_path_local);
+         free(old_path_local);
+         free(new_path_local);
+         return ret==0 ? 0 : -1;
+      }
+
+      free(old_path_local);
+   }
+
+   if (new_path_local)
+      free(new_path_local);
+#else
+   old_path_wide = utf8_to_utf16_string_alloc(old_path);
+   new_path_wide = utf8_to_utf16_string_alloc(new_path);
+
+   if (old_path_wide)
+   {
+      if (new_path_wide)
+      {
+         int ret = _wrename(old_path_wide, new_path_wide);
+         free(old_path_wide);
+         free(new_path_wide);
+         return ret==0 ? 0 : -1;
+      }
+
+      free(old_path_wide);
+   }
+
+   if (new_path_wide)
+      free(new_path_wide);
+#endif
+   return -1;
+#else
+   return rename(old_path, new_path)==0 ? 0 : -1;
+#endif
+}
+
+const char *retro_vfs_file_get_path_impl(libretro_vfs_implementation_file *stream)
+{
+   /* should never happen, do something noisy so caller can be fixed */
+   if (!stream)
+      abort();
+   return stream->orig_path;
+}

libretro/libretro.c

@@ -70,11 +70,12 @@
 #define RETRO_DEVICE_JUSTIFIERS           RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_LIGHTGUN, 2)
 #define RETRO_DEVICE_GRAPHIC_BOARD        RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_POINTER, 0)
 
+#include <libretro.h>
+#include <streams/file_stream.h>
+
 #include "shared.h"
-#include "libretro.h"
 #include "md_ntsc.h"
 #include "sms_ntsc.h"
-#include <streams/file_stream.h>
 
 #define STATIC_ASSERT(name, test) typedef struct { int assert_[(test)?1:-1]; } assert_ ## name ## _
 #define M68K_MAX_CYCLES 1107
@@ -201,10 +202,11 @@ void error(char * fmt, ...)
 
 int load_archive(char *filename, unsigned char *buffer, int maxsize, char *extension)
 {
-  int size, left;
+  int64_t left = 0;
+  int64_t size = 0;
 
   /* Open file */
-  RFILE *fd = filestream_open(filename, RFILE_MODE_READ, -1);
+  RFILE *fd = filestream_open(filename, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
 
   if (!fd)
   {
@@ -240,9 +242,7 @@ int load_archive(char *filename, unsigned char *buffer, int maxsize, char *exten
     return 0;
   }
   else if (size > maxsize)
-  {
     size = maxsize;
-  }
 
   if (log_cb)
     log_cb(RETRO_LOG_INFO, "INFORMATION - Loading %d bytes ...\n", size);
@@ -509,9 +509,28 @@ void osd_input_update(void)
 
 static void draw_cursor(int16_t x, int16_t y, uint16_t color)
 {
+   int i;
+
+   /* crosshair center position */   
    uint16_t *ptr = (uint16_t *)bitmap.data + ((bitmap.viewport.y + y) * bitmap.width) + x + bitmap.viewport.x;
-  ptr[-3*bitmap.width] = ptr[-bitmap.width] = ptr[bitmap.width] = ptr[3*bitmap.width] = ptr[-3] = ptr[-1] = ptr[1] = ptr[3] = color;
+
-  ptr[-2*bitmap.width] = ptr[2*bitmap.width] = ptr[-2] = ptr[2] = ptr[0] = 0xffff;
+   /* default crosshair dimension */
+   int x_start = x - 3;
+   int x_end  = x + 3;
+   int y_start = y - 3;
+   int y_end = y + 3;
+
+   /* framebuffer limits */
+   if (x_start < -bitmap.viewport.x) x_start = -bitmap.viewport.x;
+   if (x_end >= (bitmap.viewport.w + bitmap.viewport.x)) x_end = bitmap.viewport.w + bitmap.viewport.x - 1;
+   if (y_start < -bitmap.viewport.y) y_start = -bitmap.viewport.y;
+   if (y_end >= (bitmap.viewport.h + bitmap.viewport.y)) y_end = bitmap.viewport.h + bitmap.viewport.y - 1;
+
+   /* draw crosshair */
+   for (i = (x_start - x); i <= (x_end - x); i++)
+      ptr[i] = (i & 1) ? color : 0xffff;
+   for (i = (y_start - y); i <= (y_end - y); i++)
+      ptr[i * bitmap.width] = (i & 1) ? color : 0xffff;
 }
 
 static void init_bitmap(void)
@@ -586,13 +605,13 @@ static void bram_load(void)
     switch (region_code)
     {
        case REGION_JAPAN_NTSC:
-          fp = filestream_open(CD_BRAM_JP, RFILE_MODE_READ, -1);
+          fp = filestream_open(CD_BRAM_JP, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
           break;
        case REGION_EUROPE:
-          fp = filestream_open(CD_BRAM_EU, RFILE_MODE_READ, -1);
+          fp = filestream_open(CD_BRAM_EU, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
           break;
        case REGION_USA:
-          fp = filestream_open(CD_BRAM_US, RFILE_MODE_READ, -1);
+          fp = filestream_open(CD_BRAM_US, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
           break;
        default:
           return;
@@ -632,7 +651,7 @@ static void bram_load(void)
     /* automatically load cartridge backup RAM (if enabled) */
     if (scd.cartridge.id)
     {
-      fp = filestream_open(CART_BRAM, RFILE_MODE_READ, -1);
+      fp = filestream_open(CART_BRAM, RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
       if (fp != NULL)
       {
         int filesize = scd.cartridge.mask + 1;
@@ -688,13 +707,13 @@ static void bram_save(void)
         switch (region_code)
         {
           case REGION_JAPAN_NTSC:
-            fp = filestream_open(CD_BRAM_JP, RFILE_MODE_WRITE, -1);
+            fp = filestream_open(CD_BRAM_JP, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE);
             break;
           case REGION_EUROPE:
-            fp = filestream_open(CD_BRAM_EU, RFILE_MODE_WRITE, -1);
+            fp = filestream_open(CD_BRAM_EU, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE);
             break;
           case REGION_USA:
-            fp = filestream_open(CD_BRAM_US, RFILE_MODE_WRITE, -1);
+            fp = filestream_open(CD_BRAM_US, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE);
             break;
           default:
             return;
@@ -717,7 +736,7 @@ static void bram_save(void)
       /* check if it is correctly formatted before saving */
       if (!memcmp(scd.cartridge.area + scd.cartridge.mask + 1 - 0x20, brm_format + 0x20, 0x20))
       {
-        fp = filestream_open(CART_BRAM, RFILE_MODE_WRITE, -1);
+        fp = filestream_open(CART_BRAM, RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE);
         if (fp != NULL)
         {
           int filesize = scd.cartridge.mask + 1;
@@ -1751,6 +1770,7 @@ unsigned retro_api_version(void) { return RETRO_API_VERSION; }
 
 void retro_set_environment(retro_environment_t cb)
 {
+   struct retro_vfs_interface_info vfs_iface_info;
    static const struct retro_variable vars[] = {
       { "genesis_plus_gx_system_hw", "System hardware; auto|sg-1000|sg-1000 II|mark-III|master system|master system II|game gear|mega drive / genesis" },
       { "genesis_plus_gx_region_detect", "System region; auto|ntsc-u|pal|ntsc-j" },
@@ -1949,6 +1969,12 @@ void retro_set_environment(retro_environment_t cb)
    cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
    cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
    cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, (void*)desc);
+
+   vfs_iface_info.required_interface_version = 1;
+   vfs_iface_info.iface                      = NULL;
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
+	   filestream_vfs_init(&vfs_iface_info);
+
 }
 
 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
@@ -2198,7 +2224,7 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
 bool retro_load_game(const struct retro_game_info *info)
 {
    int i;
-   const char *dir = NULL;
+   char *dir = NULL;
 #if defined(_WIN32)
    char slash      = '\\';
 #else
@@ -2384,6 +2410,9 @@ size_t retro_get_memory_size(unsigned id)
         }
       }
       case RETRO_MEMORY_SYSTEM_RAM:
+         if (system_hw == SYSTEM_SMS || system_hw == SYSTEM_SMS2 || system_hw == SYSTEM_GG || system_hw == SYSTEM_GGMS)
+            return 0x02000;
+         else
             return 0x10000;
       default:
          return 0;

libretro/msvc/genesis_plus_gx_libretro.sln

@@ -1,31 +0,0 @@
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-EndProject
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-    <Keyword>Win32Proj</Keyword>
-    <RootNamespace>gxvstudio</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
-    <ProjectName>genesis_plus_gx_libretro</ProjectName>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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libretro/msvc/msvc-2017/msvc-2017.vcxproj

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+    </ClCompile>
+  </ItemGroup>
+</Project>

libretro/osd.h

@@ -44,7 +44,6 @@
 
 #ifdef _MSC_VER
 #include <stdio.h>
-typedef unsigned char bool;
 #define strncasecmp _strnicmp
 #endif