OSYSTEM: Pushed some SDL/Symbian specific code to the respective backends; made openConfigFileForReading/openConfigFileForWriting return 0 if they failed to open a file

svn-id: r33585

2 files changed, 36 insertions, 0 deletions

diff --git a/backends/platform/symbian/src/SymbianOS.cpp b/backends/platform/symbian/src/SymbianOS.cpp
index e3a4027d79..0ce44d1704 100644
--- a/backends/platform/symbian/src/SymbianOS.cpp
+++ b/backends/platform/symbian/src/SymbianOS.cpp
@@ -30,6 +30,7 @@
 #include "backends/platform/symbian/src/SymbianActions.h"
 #include "common/config-manager.h"
 #include "common/events.h"
+#include "common/file.h"
 #include "gui/Actions.h"
 #include "gui/Key.h"
 #include "gui/message.h"
@@ -42,6 +43,10 @@
   #define SAMPLES_PER_SEC 16000
 #endif
 
+
+#define DEFAULT_CONFIG_FILE "scummvm.ini"
+
+
 #define KInputBufferLength 128
 // Symbian libc file functionality in order to provide shared file handles
 struct TSymbianFileEntry {
@@ -122,6 +127,34 @@ FilesystemFactory *OSystem_SDL_Symbian::getFilesystemFactory() {
 	return &SymbianFilesystemFactory::instance();
 }
 
+static Common::String getDefaultConfigFileName() {
+	char configFile[MAXPATHLEN];
+	strcpy(configFile, Symbian::GetExecutablePath());
+	strcat(configFile, DEFAULT_CONFIG_FILE);
+	return configFile;
+}
+
+Common::SeekableReadStream *OSystem_SDL_Symbian::openConfigFileForReading() {
+	Common::File *confFile = new Common::File();
+	assert(confFile);
+	if (!confFile->open(getDefaultConfigFileName())) {
+		delete confFile;
+		confFile = 0;
+	}
+	return confFile;
+}
+
+Common::WriteStream *OSystem_SDL_Symbian::openConfigFileForWriting() {
+	Common::DumpFile *confFile = new Common::DumpFile();
+	assert(confFile);
+	if (!confFile->open(getDefaultConfigFileName())) {
+		delete confFile;
+		confFile = 0;
+	}
+	return confFile;
+}
+
+
 OSystem_SDL_Symbian::zoneDesc OSystem_SDL_Symbian::_zones[TOTAL_ZONES] = {
         { 0, 0, 320, 145 },
         { 0, 145, 150, 55 },
diff --git a/backends/platform/symbian/src/SymbianOS.h b/backends/platform/symbian/src/SymbianOS.h
index 71d24f6286..68a6fb492f 100644
--- a/backends/platform/symbian/src/SymbianOS.h
+++ b/backends/platform/symbian/src/SymbianOS.h
@@ -71,6 +71,9 @@ protected:
 	static void symbianMixCallback(void *s, byte *samples, int len);
 
 	virtual FilesystemFactory *getFilesystemFactory();
+
+	virtual Common::SeekableReadStream *openConfigFileForReading();
+	virtual Common::WriteStream *openConfigFileForWriting();
 public:
 	// vibration support
 #ifdef USE_VIBRA_SE_PXXX