dogetproto.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1994, by Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include "getent.h"
static int
putprotoent(const struct protoent *pp, FILE *fp)
{
char **p;
int rc = 0;
if (pp == NULL) {
return (1);
}
if (fprintf(fp, "%-20s %d",
pp->p_name, pp->p_proto) == EOF)
rc = 1;
for (p = pp->p_aliases; *p != 0; p++) {
if (fprintf(fp, " %s", *p) == EOF)
rc = 1;
}
if (putc('\n', fp) == EOF)
rc = 1;
return (rc);
}
/*
* getprotobyname/addr - get entries from protocols database
*/
int
dogetproto(const char **list)
{
struct protoent *pp;
int rc = EXC_SUCCESS;
if (list == NULL || *list == NULL) {
while ((pp = getprotoent()) != NULL)
(void) putprotoent(pp, stdout);
} else {
for (; *list != NULL; list++) {
int protocol = atoi(*list);
if (protocol != 0)
pp = getprotobynumber(protocol);
else
pp = getprotobyname(*list);
if (pp == NULL)
rc = EXC_NAME_NOT_FOUND;
else
(void) putprotoent(pp, stdout);
}
}
return (rc);
}