Skip to content

Instantly share code, notes, and snippets.

@weekwood
Forked from tibr/NSFileManager+DoNotBackup.h
Created January 14, 2013 05:40
Show Gist options
  • Save weekwood/4527957 to your computer and use it in GitHub Desktop.
Save weekwood/4527957 to your computer and use it in GitHub Desktop.
@interface NSFileManager (DoNotBackup)
- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL;
@end
#import "NSFileManager+DoNotBackup.h"
#include <sys/xattr.h>
@implementation NSFileManager (DoNotBackup)
- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL
{
if (&NSURLIsExcludedFromBackupKey == nil) { // iOS <= 5.0.1
const char* filePath = [[URL path] fileSystemRepresentation];
const char* attrName = "com.apple.MobileBackup";
u_int8_t attrValue = 1;
int result = setxattr(filePath, attrName, &attrValue, sizeof(attrValue), 0, 0);
return result == 0;
} else { // iOS >= 5.1
NSError *error = nil;
[URL setResourceValue:[NSNumber numberWithBool:YES] forKey:NSURLIsExcludedFromBackupKey error:&error];
return error == nil;
}
}
@end
@interface NSFileManager (DoNotBackup)
- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL;
@end
#import "NSFileManager+DoNotBackup.h"
#include <sys/xattr.h>
@implementation NSFileManager (DoNotBackup)
- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL
{
if (&NSURLIsExcludedFromBackupKey == nil) { // iOS <= 5.0.1
const char* filePath = [[URL path] fileSystemRepresentation];
const char* attrName = "com.apple.MobileBackup";
u_int8_t attrValue = 1;
int result = setxattr(filePath, attrName, &attrValue, sizeof(attrValue), 0, 0);
return result == 0;
} else { // iOS >= 5.1
return [URL setResourceValue:[NSNumber numberWithBool:YES] forKey:NSURLIsExcludedFromBackupKey error:nil];
}
}
@end
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment