From da9699a7e29d2f7627e450f3d182e63a5140151d Mon Sep 17 00:00:00 2001
From: Jack Andersen <jackoalan@gmail.com>
Date: Tue, 5 Dec 2017 17:22:03 -1000
Subject: [PATCH] UWP support

---
 atdna/CMakeLists.txt           |  3 +++
 include/athena/Global.hpp      |  6 ++++++
 src/athena/FileInfo.cpp        |  3 +++
 src/athena/FileReaderWin32.cpp |  9 +++++++--
 src/athena/FileWriterWin32.cpp | 10 ++++++++++
 5 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/atdna/CMakeLists.txt b/atdna/CMakeLists.txt
index b8016ec..2f39f11 100644
--- a/atdna/CMakeLists.txt
+++ b/atdna/CMakeLists.txt
@@ -178,6 +178,9 @@ macro(atdna out)
   get_property(cdefs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS)
   set(cdefcli "")
   foreach(def ${cdefs})
+    if(def MATCHES "^WINAPI_FAMILY.*")
+      continue() # C++/CX gives clang a stomach ache
+    endif()
     list(APPEND cdefcli "-D${def}")
   endforeach()
 
diff --git a/include/athena/Global.hpp b/include/athena/Global.hpp
index d4a91e1..ccad7b0 100644
--- a/include/athena/Global.hpp
+++ b/include/athena/Global.hpp
@@ -8,6 +8,12 @@
 #ifdef _MSC_VER
 #pragma warning(disable : 4996)
 
+#if defined(WINAPI_FAMILY) && WINAPI_FAMILY != WINAPI_FAMILY_DESKTOP_APP
+#define WINDOWS_STORE 1
+#else
+#define WINDOWS_STORE 0
+#endif
+
 #include <sys/stat.h>
 
 #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
diff --git a/src/athena/FileInfo.cpp b/src/athena/FileInfo.cpp
index e212139..44fda4f 100644
--- a/src/athena/FileInfo.cpp
+++ b/src/athena/FileInfo.cpp
@@ -128,7 +128,9 @@ bool FileInfo::touch() const
     HANDLE fh;
     wchar_t date[80], time[80];
 
+#if !WINDOWS_STORE
     fh = CreateFileA(m_path.c_str(), GENERIC_READ | FILE_WRITE_ATTRIBUTES, 0, NULL, CREATE_NEW, 0, NULL);
+    
     if (fh == INVALID_HANDLE_VALUE)
         return false;
 
@@ -168,6 +170,7 @@ bool FileInfo::touch() const
     }
 
     CloseHandle(fh);
+#endif
 #elif (defined(HW_RVL) || defined(HW_DOL)) && defined(GEKKO)
     // Generic portable version, not extremely reliable but does work
     atUint64 val = 0xCDCDCDCDCD;
diff --git a/src/athena/FileReaderWin32.cpp b/src/athena/FileReaderWin32.cpp
index 877f1c3..7fe71c4 100644
--- a/src/athena/FileReaderWin32.cpp
+++ b/src/athena/FileReaderWin32.cpp
@@ -38,8 +38,13 @@ void FileReader::open()
     int attempt = 0;
     do
     {
-        m_fileHandle = CreateFileW(m_filename.c_str(), GENERIC_READ, FILE_SHARE_READ,
-                                   nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+#if WINDOWS_STORE
+            m_fileHandle = CreateFile2(m_filename.c_str(), GENERIC_READ, FILE_SHARE_READ,
+                                       OPEN_EXISTING, nullptr);
+#else
+            m_fileHandle = CreateFileW(m_filename.c_str(), GENERIC_READ, FILE_SHARE_READ,
+                                       nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
+#endif
     } while (m_fileHandle == INVALID_HANDLE_VALUE && attempt++ < 100);
 
     if (m_fileHandle == INVALID_HANDLE_VALUE)
diff --git a/src/athena/FileWriterWin32.cpp b/src/athena/FileWriterWin32.cpp
index 484a641..e280859 100644
--- a/src/athena/FileWriterWin32.cpp
+++ b/src/athena/FileWriterWin32.cpp
@@ -37,13 +37,23 @@ void FileWriter::open(bool overwrite)
         if (overwrite)
         {
             std::wstring tmpFilename = m_filename + L'~';
+#if WINDOWS_STORE
+            m_fileHandle = CreateFile2(tmpFilename.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
+                                       CREATE_ALWAYS, nullptr);
+#else
             m_fileHandle = CreateFileW(tmpFilename.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
                                        nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+#endif
         }
         else
         {
+#if WINDOWS_STORE
+            m_fileHandle = CreateFile2(m_filename.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
+                                       OPEN_ALWAYS, nullptr);
+#else
             m_fileHandle = CreateFileW(m_filename.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE,
                                        nullptr, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+#endif
         }
     } while (m_fileHandle == INVALID_HANDLE_VALUE && attempt++ < 100);