Returns string from enum value

EnumValueToString.m

enum {
    ObjectiveC = 'ObjC',
    Java = 'Java',
    Ruby = 'Ruby'
} Language;

- (NSString *)stringFromEnumValue:(NSUInteger)enumValue {
    char *str = calloc(sizeof(enumValue) + 1, sizeof(char));
    int integer = NSSwapInt((unsigned int) enumValue);
    memcpy(str, (const void *) &integer, sizeof(integer));

    NSString *stringValue = [NSString stringWithFormat:@"%s", str];
    free(str);

    return stringValue;
}