SDL: Hook up file logger to log on Windows.

For now the log file will be either "%APPDATA%/ScummVM/Logs/scummvm.log" or
"%USERPROFILE%/Application Data/ScummVM/Logs/scummvm.log" to match the
location of the default ScummVM configuration file.

svn-id: r54490

1 files changed, 31 insertions, 1 deletions

diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index 5e09eaa957..9bebc63830 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -543,7 +543,37 @@ Common::WriteStream *OSystem_SDL::createLogFile() {
 	Common::FSNode file(logFile);
 	return file.createWriteStream();
 #elif defined (WIN32) && !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
-	return 0;
+	char logFile[MAXPATHLEN];
+
+	OSVERSIONINFO win32OsVersion;
+	ZeroMemory(&win32OsVersion, sizeof(OSVERSIONINFO));
+	win32OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+	GetVersionEx(&win32OsVersion);
+	// Check for non-9X version of Windows.
+	if (win32OsVersion.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS) {
+		// Use the Application Data directory of the user profile.
+		if (win32OsVersion.dwMajorVersion >= 5) {
+			if (!GetEnvironmentVariable("APPDATA", logFile, sizeof(logFile)))
+				error("Unable to access application data directory");
+		} else {
+			if (!GetEnvironmentVariable("USERPROFILE", logFile, sizeof(logFile)))
+				error("Unable to access user profile directory");
+
+			strcat(logFile, "\\Application Data");
+			CreateDirectory(logFile, NULL);
+		}
+
+		strcat(logFile, "\\ScummVM");
+		CreateDirectory(logFile, NULL);
+		strcat(logFile, "\\Logs");
+		CreateDirectory(logFile, NULL);
+		strcat(logFile, "\\" DEFAULT_LOG_FILE);
+
+		Common::FSNode file(logFile);
+		return file.createWriteStream();
+	} else {
+		return 0;
+	}
 #else
 	return 0;
 #endif