Ph’nglui mglw’nafh Cthulhu R’lyeh wgah’nagl fhtagn

#pragma mark -

#pragma mark DO NOT BACKUP 관련 소스.

//도큐먼트 폴더의 모든 개체를 백업금지로 등록합니다.

- (void)AddAttributeToAllFolder{

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsPath = ([paths count] > 0) ? [paths objectAtIndex:0] : nil;

    NSArray *dirContents = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:documentsPath error:nil];

for (int i =0; i < [dirContents count]; i++) {

        NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/%@",documentsPath,[dirContents objectAtIndex:i]]];

        if ([self addSkipBackupAttributeToItemAtURL:url]) {

            NSLog(@"success! could add do not backup attribute to folder");

        }

    }

}

//도큐먼트 폴더의 특정 개체를 백업금지로 등록합니다.

- (void)AddAttributeToFolder:(NSString*)folderName{

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsPath = ([paths count] > 0) ? [paths objectAtIndex:0] : nil;

NSURL *url = [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@/%@",documentsPath,folderName]];

    if ([self addSkipBackupAttributeToItemAtURL:url]) {

        NSLog(@"success! could add do not backup attribute to folder");

    }

}

//애플에서 공개한 Do Not Backup 관련 소스.

- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL{

    if (URL == nil) {

        return NO;

    } else if (![URL isFileURL]){

        return NO;

    }

    u_int8_t b = 1;

    int result = setxattr([[URL path] fileSystemRepresentation], "com.apple.MobileBackup", &b, 1, 0, 0);

    if (result == 0) {

        NSLog(@"success result:%d path:%@", result, [URL path]);

    } else {

        NSLog(@"failur result:%d path:%@", result, [URL path]);

    }

    return result == 0;

}