Function rt_strncmp

src/klibc/kstring.c:438–457

 */
#ifndef RT_KLIBC_USING_USER_STRNCMP
rt_int32_t rt_strncmp(const char *cs, const char *ct, rt_size_t count)
{
#ifdef RT_KLIBC_USING_LIBC_STRNCMP
    return strncmp(cs, ct, count);
#else
    signed char res = 0;

    while (count)
    {
        if ((res = *cs - *ct++) != 0 || !*cs++)
        {
            break;
        }

        count --;
    }

    return res;
#endif /* RT_KLIBC_USING_LIBC_STRNCMP */
}
#endif /* RT_KLIBC_USING_USER_STRNCMP */
RTM_EXPORT(rt_strncmp);