Function utf8_validate

crawl-ref/source/json.cc:218–230

Validate a null-terminated UTF-8 string. */

/* Validate a null-terminated UTF-8 string. */
static bool utf8_validate(const char *s)
{
    int len;

    for (; *s != 0; s += len)
    {
        len = utf8_validate_cz(s);
        if (len == 0)
            return false;
    }

    return true;
}

/*
 * Read a single UTF-8 character starting at @s,