/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * $Id$
 */

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

int getproto(char *name);

int
getproto(char *name)
{
        struct protoent *p;
        char *s;

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

        if (!strcasecmp(name, "ip"))
                return (0);

        p = getprotobyname(name);
        if (p != NULL)
                return (p->p_proto);
        return (-1);
}