/*
 * Copyright (C) 1993-2005  by Darren Reed.
 * See the IPFILTER.LICENCE file for details on licencing.
 */

#include <ctype.h>
#include "ipf.h"

int getportproto(name, proto)
char *name;
int proto;
{
        struct servent *s;
        struct protoent *p;

        if (ISDIGIT(*name)) {
                int number;
                char *s;

                for (s = name; *s != '\0'; s++)
                        if (!ISDIGIT(*s))
                                return -1;

                number = atoi(name);
                if (number < 0 || number > 65535)
                        return -1;
                return htons(number);
        }

        p = getprotobynumber(proto);
        s = getservbyname(name, p ? p->p_name : NULL);
        if (s != NULL)
                return s->s_port;
        return -1;
}