gistfile1.txt

int nm_lib_parseU32(NM_UINT32 *val, const char *arg)
{
    unsigned long res;
    char *ptr = NULL;

    if (!arg || !*arg)
    {
        return -1;
    }

    res = strtoul(arg, &ptr, 0);
    if (!ptr || ptr == arg || *ptr || res > 0xFFFFFFFFUL)
    {
        return -1;
    }
    *val = res;


    return 0;
}