diff -r 000000000000 -r 59addced5e2a FileUtils.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FileUtils.m	Fri May 02 12:49:43 2008 -0700
@@ -0,0 +1,55 @@
+//
+//  FileUtils.m
+//  MYUtilities
+//
+//  Created by Jens Alfke on 1/14/08.
+//  Copyright 2008 Jens Alfke. All rights reserved.
+//
+
+#import "FileUtils.h"
+
+
+OSStatus PathToFSRef( NSString *path, FSRef *fsRef )
+{
+    NSCParameterAssert(path);
+    return FSPathMakeRef((const UInt8 *)[path UTF8String],fsRef,NULL);
+}
+
+OSStatus FSRefToPath( const FSRef *fsRef, NSString **outPath )
+{
+    NSURL *url = (id) CFURLCreateFromFSRef(NULL,fsRef);
+    if( ! url )
+        return paramErr;
+    *outPath = [url path];
+    [url release];
+    return noErr;
+}
+
+
+BOOL CheckOSErr( OSStatus err, NSError **error )
+{
+    if( err ) {
+        if( error )
+            *error = [NSError errorWithDomain: NSOSStatusErrorDomain code: err userInfo: nil];
+        return NO;
+    } else {
+        return YES;
+    }
+}
+
+
+NSString* AppSupportDirectory()
+{
+    static NSString *sPath;
+    if( ! sPath ) {
+        NSString *dir = [NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory,
+                                                             NSUserDomainMask, YES)
+                         objectAtIndex: 0];
+        dir = [dir stringByAppendingPathComponent: [[NSBundle mainBundle] bundleIdentifier]];
+        if( ! [[NSFileManager defaultManager] fileExistsAtPath: dir]
+                && ! [[NSFileManager defaultManager] createDirectoryAtPath: dir attributes: nil] )
+            [NSException raise: NSGenericException format: @"Unable to create app support dir %@",dir];
+        sPath = [dir copy];
+    }
+    return sPath;
+}