More portable file management. Verify on linux and check Wii's un-save-able games.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1405 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/FileUtil.cpp

@@ -28,44 +28,47 @@
 #else
 #include <sys/types.h>
 #include <dirent.h>
-#include <sys/stat.h>
 #include <errno.h>
 #include <stdlib.h>
 #endif
 
 #include <fstream>
+#include <sys/stat.h>
 
+#ifndef S_ISDIR
+#define S_ISDIR(m)  (((m)&S_IFMT) == S_IFDIR)
+#endif
 
 namespace File
 {
 
+inline void stripTailDirSlashes(std::string& fname) {
+	while(fname.at(fname.length() - 1) == DIR_SEP_CHR)
+		fname.resize(fname.length() - 1);
+}
+
 bool Exists(const char *filename)
 {
-#ifdef _WIN32
-	return GetFileAttributes(filename) != INVALID_FILE_ATTRIBUTES;
-#else
 	struct stat file_info;
-	int result = stat(filename, &file_info);
-	return result == 0;
-#endif
+
+	std::string copy = filename;
+	stripTailDirSlashes(copy);
+
+	int result = stat(copy.c_str(), &file_info);
+	return (result == 0);
 }
 
 bool IsDirectory(const char *filename)
 {
-#ifdef _WIN32
-	DWORD Attribs = GetFileAttributes(filename);
-	if (Attribs == INVALID_FILE_ATTRIBUTES)
-		return false;
-
-	return (GetFileAttributes(filename) & FILE_ATTRIBUTE_DIRECTORY) != 0;
-#else
 	struct stat file_info;
-	int result = stat(filename, &file_info);
+	std::string copy = filename;
+	stripTailDirSlashes(copy);
+
+	int result = stat(copy.c_str(), &file_info);
 	if (result == 0)
 		return S_ISDIR(file_info.st_mode);
 	else
 		return false;
-#endif
 }
 
 bool Delete(const char *filename)
@@ -296,24 +299,17 @@ std::string GetUserDirectory()
 
 u64 GetSize(const char *filename)
 {
-#ifdef _WIN32
-    FILE *pFile = fopen(filename, "rb");
-    if (pFile)
-	{
-            fseek(pFile, 0, SEEK_END);
-            u64 pos = ftell(pFile);
-            fclose(pFile);
-            return pos;
-        }
-#else
+	if(!Exists(filename))
+		return 0;
+
     struct stat buf;
     if (stat(filename, &buf) == 0) {
         return buf.st_size;
     }
     int err = errno;
-    PanicAlert("Error stating %s: %s", filename, strerror(err));
     
-#endif
+	PanicAlert("Error accessing %s: %s", filename, strerror(err));
+    
     return 0;
 }
 

Source/Core/Core/Src/HW/EXI_DeviceMemoryCard.cpp

@@ -72,7 +72,7 @@ CEXIMemoryCard::CEXIMemoryCard(const std::string& _rName, const std::string& _rF
 	if (pFile)
 	{
 		fseek( pFile, 0L, SEEK_END );
-		long MemFileSize = ftell( pFile );
+		u64 MemFileSize = ftell( pFile );
  
 		switch ((MemFileSize / (8 * 1024))-5) // Convert the filesize in bytes to the "nintendo-size"
 		{
@@ -137,7 +137,8 @@ void CEXIMemoryCard::Flush(bool exiting)
 	{
 		std::string dir;
 		SplitPath(m_strFilename, &dir, 0, 0);
-		File::CreateDir(dir.c_str());
+		if(!File::IsDirectory(dir.c_str()))
+			File::CreateDir(dir.c_str());
 		pFile = fopen(m_strFilename.c_str(), "wb");
 	}
 	if (!pFile) //Note - pFile changed inside above if

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_FileIO.cpp

@@ -216,7 +216,7 @@ CWII_IPC_HLE_Device_FileIO::IOCtl(u32 _CommandAddress)
             LOG(WII_IPC_FILEIO, "FileIO: ISFS_IOCTL_GETFILESTATS");
             LOG(WII_IPC_FILEIO, "    Length: %i   Seek: %i", m_FileLength, Position);
 
-            Memory::Write_U32(m_FileLength, BufferOut);
+            Memory::Write_U32((u32)m_FileLength, BufferOut);
             Memory::Write_U32(Position, BufferOut+4);
         }
         break;

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_FileIO.h

@@ -65,7 +65,7 @@ private:
     };
 
     FILE* m_pFileHandle;
-    u32 m_FileLength;
+    u64 m_FileLength;
 
 	std::string m_Filename;
 };

Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_LoadStore.cpp

@@ -432,6 +432,7 @@ void stfdx(UGeckoInstruction _inst)
 // __________________________________________________________________________________________________
 // stfiwx
 // TODO - examine what this really does
+// Stores Floating points into Integers indeXed
 void stfiwx(UGeckoInstruction _inst)
 {
 	u32 uAddress = Helper_Get_EA_X(_inst);