Added macros to follow format string checking through wrappers

src/Globals.h

@@ -39,6 +39,8 @@
 	#define ALIGN_8
 	#define ALIGN_16
 	
+	#define FORMATSTRING(formatIndex,va_argsIndex)
+
 #elif defined(__GNUC__)
 
 	// TODO: Can GCC explicitly mark classes as abstract (no instances can be created)?
@@ -57,6 +59,8 @@
 	// Some portability macros :)
 	#define stricmp strcasecmp
 	
+	#define FORMATSTRING(formatIndex,va_argsIndex) __attribute__((format (printf, formatIndex, va_argsIndex)))
+
 #else
 
 	#error "You are using an unsupported compiler, you might need to #define some stuff here for your compiler"

src/OSSupport/File.h

@@ -131,7 +131,7 @@ public:
 	/** Returns the list of all items in the specified folder (files, folders, nix pipes, whatever's there). */
 	static AStringVector GetFolderContents(const AString & a_Folder);  // Exported in ManualBindings.cpp
 
-	int Printf(const char * a_Fmt, ...);
+	int Printf(const char * a_Fmt, ...) FORMATSTRING(2,3);
 	
 	/** Flushes all the bufferef output into the file (only when writing) */
 	void Flush(void);

src/StringUtils.h

@@ -22,13 +22,13 @@ typedef std::list<AString>   AStringList;
 
 
 /** Add the formated string to the existing data in the string */
-extern AString & AppendVPrintf(AString & str, const char * format, va_list args);
+extern AString & AppendVPrintf(AString & str, const char * format, va_list args) FORMATSTRING(2,0);
 
 /// Output the formatted text into the string
-extern AString & Printf       (AString & str, const char * format, ...);
+extern AString & Printf       (AString & str, const char * format, ...) FORMATSTRING(2,3);
 
 /// Output the formatted text into string, return string by value
-extern AString Printf(const char * format, ...);
+extern AString Printf(const char * format, ...) FORMATSTRING(1,2);
 
 /// Add the formatted string to the existing data in the string
 extern AString & AppendPrintf (AString & str, const char * format, ...);