Ensured we get a read handle if we can't get one for updating.

TomHarte · Sep 30, 2015 · eda25ab · eda25ab
1 parent 1b32e66
commit eda25ab
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/CPM for OS X/BDOS/BDOS.m b/CPM for OS X/BDOS/BDOS.m
@@ -517,7 +517,9 @@ - (BOOL)renameFileWithParameter:(uint16_t)parameter
 - (BOOL)openFileWithParameter:(uint16_t)parameter
 {
 	return [self establishHandleWithParameter:parameter creator:^NSFileHandle *(NSString *path) {
-		return [NSFileHandle fileHandleForUpdatingAtPath:path];
+		NSFileHandle *readWriteHandle = [NSFileHandle fileHandleForUpdatingAtPath:path];
+		if(readWriteHandle) return readWriteHandle;
+		return [NSFileHandle fileHandleForReadingAtPath:path];
 	}];
 }