freebsd-dev/sbin/ipf/libipf/getportproto.c
Cy Schubert 2582ae5740 ipfilter: Adjust userland returns to conform to style(9)
Adjust ipfilter's userland return statements to conform to style(9).

MFC after:	1 month
2022-01-03 18:06:43 -08:00

40 lines
611 B
C

/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id$
*/
#include <ctype.h>
#include "ipf.h"
int
getportproto(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);
}