Function NumPyOS_ascii_strncasecmp

numpy/core/src/common/numpyos.c:411–427

* NumPyOS_ascii_strncasecmp: * * Same as strncasecmp under C locale */

 * Same as strncasecmp under C locale
 */
static int
NumPyOS_ascii_strncasecmp(const char* s1, const char* s2, size_t len)
{
    while (len > 0 && *s1 != '\0' && *s2 != '\0') {
        int diff = NumPyOS_ascii_tolower(*s1) - NumPyOS_ascii_tolower(*s2);
        if (diff != 0) {
            return diff;
        }
        ++s1;
        ++s2;
        --len;
    }
    if (len > 0) {
        return *s1 - *s2;
    }
    return 0;
}

/*
 * NumPyOS_ascii_strtod_plain: