1251881Speter/* $OpenBSD: getprotoname.c,v 1.8 2015/09/14 07:38:38 guenther Exp $ */ 2251881Speter/* 3251881Speter * Copyright (c) 1983, 1993 4251881Speter * The Regents of the University of California. All rights reserved. 5251881Speter * 6251881Speter * Redistribution and use in source and binary forms, with or without 7251881Speter * modification, are permitted provided that the following conditions 8251881Speter * are met: 9251881Speter * 1. Redistributions of source code must retain the above copyright 10251881Speter * notice, this list of conditions and the following disclaimer. 11251881Speter * 2. Redistributions in binary form must reproduce the above copyright 12251881Speter * notice, this list of conditions and the following disclaimer in the 13251881Speter * documentation and/or other materials provided with the distribution. 14251881Speter * 3. Neither the name of the University nor the names of its contributors 15251881Speter * may be used to endorse or promote products derived from this software 16251881Speter * without specific prior written permission. 17251881Speter * 18251881Speter * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19251881Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20251881Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21251881Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22251881Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23251881Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24251881Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25251881Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26251881Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27251881Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28251881Speter * SUCH DAMAGE. 29251881Speter */ 30251881Speter 31251881Speter#include <netdb.h> 32251881Speter#include <stdio.h> 33251881Speter#include <string.h> 34251881Speter 35251881Speterint 36251881Spetergetprotobyname_r(const char *name, struct protoent *pe, 37251881Speter struct protoent_data *pd) 38251881Speter{ 39251881Speter char **cp; 40251881Speter int error; 41251881Speter 42251881Speter setprotoent_r(pd->stayopen, pd); 43251881Speter while ((error = getprotoent_r(pe, pd)) == 0) { 44251881Speter if (strcmp(pe->p_name, name) == 0) 45251881Speter break; 46251881Speter for (cp = pe->p_aliases; *cp != 0; cp++) 47251881Speter if (strcmp(*cp, name) == 0) 48251881Speter goto found; 49251881Speter } 50251881Speterfound: 51251881Speter if (!pd->stayopen && pd->fp != NULL) { 52251881Speter fclose(pd->fp); 53251881Speter pd->fp = NULL; 54251881Speter } 55251881Speter return (error); 56251881Speter} 57251881SpeterDEF_WEAK(getprotobyname_r); 58251881Speter 59251881Speterstruct protoent * 60251881Spetergetprotobyname(const char *name) 61251881Speter{ 62251881Speter extern struct protoent_data _protoent_data; 63251881Speter static struct protoent proto; 64251881Speter 65251881Speter if (getprotobyname_r(name, &proto, &_protoent_data) != 0) 66251881Speter return (NULL); 67251881Speter return (&proto); 68251881Speter} 69251881SpeterDEF_WEAK(getprotobyname); 70251881Speter