Function xmlSplitQName3

ThirdParty/libxml2/vtklibxml2/tree.c:268–292

 */

const xmlChar *
xmlSplitQName3(const xmlChar *name, int *len) {
    int l = 0;

    if (name == NULL) return(NULL);
    if (len == NULL) return(NULL);

    /* nasty but valid */
    if (name[0] == ':')
	return(NULL);

    /*
     * we are not trying to validate but just to cut, and yes it will
     * work even if this is as set of UTF-8 encoded chars
     */
    while ((name[l] != 0) && (name[l] != ':'))
	l++;

    if ((name[l] == 0) || (name[l+1] == 0))
	return(NULL);

    *len = l;

    return(&name[l+1]);
}

/**
 * xmlSplitQName4: