| /* | |
| * Copyright (c) 1983, 1993 | |
| * The Regents of the University of California. All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * 3. All advertising materials mentioning features or use of this software | |
| * must display the following acknowledgement: | |
| * This product includes software developed by the University of | |
| * California, Berkeley and its contributors. | |
| * 4. Neither the name of the University nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software | |
| * without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| */ | |
| #if defined(LIBC_SCCS) && !defined(lint) | |
| static char sccsid[] = "@(#)getservbyport.c 8.1 (Berkeley) 6/4/93"; | |
| #endif /* LIBC_SCCS and not lint */ | |
| #include <netdb.h> | |
| #include <string.h> | |
| extern int _serv_stayopen; | |
| struct servent * | |
| getservbyport(int port, const char *proto) | |
| { | |
| register struct servent *p; | |
| #ifdef YP | |
| extern int ___getservbyport_yp; | |
| extern char *___getservbyproto_yp; | |
| ___getservbyport_yp = port; | |
| ___getservbyproto_yp = (char *)proto; | |
| #endif | |
| setservent(_serv_stayopen); | |
| while ( NULL != (p = getservent()) ) { | |
| if (p->s_port != port) | |
| continue; | |
| if (proto == 0 || strcmp(p->s_proto, proto) == 0) | |
| break; | |
| } | |
| if (!_serv_stayopen) | |
| endservent(); | |
| #ifdef YP | |
| ___getservbyport_yp = 0; | |
| ___getservbyproto_yp = NULL; | |
| #endif | |
| return (p); | |
| } |