exclude_file_from_icloud_backup.m

exclude_file_from_icloud_backup.m

#include <sys/xattr.h>

if (!&NSURLIsExcludedFromBackupKey) {
    // iOS <= 5.0.1
    const char *filePath = [[URL path] fileSystemRepresentation];
    const char *name = "com.apple.MobileBackup";
    u_int8_t value = 1;
    int result = setxattr(filePath, name, &value, sizeof(value), 0, 0);
} else {
    // iOS >= 5.1
    NSError *error = nil;
    [URL setResourceValue:@YES
                   forKey:NSURLIsExcludedFromBackupKey
                    error:&error];
}