public static bool GetSkipBackupAttribute(string filename, out NSError error)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
using (NSUrl url = NSUrl.FromFilename(filename)) {
NSObject value;
url.TryGetResource(NSUrl.IsExcludedFromBackupKey, out value, out error);
return((error == null) && ((long)((NSNumber)value) == 1));
}
}
public static bool GetSkipBackupAttribute(string filename, out NSError error)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
#if IOS
if (xattr_compatibility)
{
byte attrValue = 0;
unsafe {
byte *p = &attrValue;
int code = getxattr(filename, key, (IntPtr)p, 1, 0, 0);
if (code == -1)
{
error = new NSError(NSError.PosixErrorDomain, Marshal.GetLastWin32Error());
return(false);
}
error = null;
return(attrValue != 0);
}
}
else
{
#endif // IOS
using (NSUrl url = NSUrl.FromFilename(filename)) {
NSObject value;
url.TryGetResource(NSUrl.IsExcludedFromBackupKey, out value, out error);
return((error == null) && ((long)((NSNumber)value) == 1));
}
#if IOS
}
#endif // IOS
}