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/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id$
*/
#include "ipf.h"
#include <ctype.h>
int getproto(name)
char *name;
{
struct protoent *p;
char *s;
for (s = name; *s != '\0'; s++)
if (!ISDIGIT(*s))
break;
if (*s == '\0')
return atoi(name);
#ifdef _AIX51
/*
* For some bogus reason, "ip" is 252 in /etc/protocols on AIX 5
* The IANA has doubled up on the definition of 0 - it is now also
* used for IPv6 hop-opts, so we can no longer rely on /etc/protocols
* providing the correct name->number mapping
*/
#endif
if (!strcasecmp(name, "ip"))
return 0;
p = getprotobyname(name);
if (p != NULL)
return p->p_proto;
return -1;
}
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