| The Android Open Source Project | a27d2ba | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /* $NetBSD: getservbyport_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1983, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <sys/cdefs.h> |
| 33 | #if defined(LIBC_SCCS) && !defined(lint) |
| 34 | #if 0 |
| 35 | static char sccsid[] = "@(#)getservbyport.c 8.1 (Berkeley) 6/4/93"; |
| 36 | #else |
| 37 | __RCSID("$NetBSD: getservbyport_r.c,v 1.3 2005/04/18 19:39:45 kleink Exp $"); |
| 38 | #endif |
| 39 | #endif /* LIBC_SCCS and not lint */ |
| 40 | |
| 41 | #include <netdb.h> |
| 42 | #include <string.h> |
| 43 | |
| 44 | #include "servent.h" |
| 45 | |
| 46 | struct servent * |
| 47 | getservbyport_r(int port, const char *proto, struct servent *sp, |
| 48 | struct servent_data *sd) |
| 49 | { |
| 50 | struct servent *s; |
| 51 | |
| 52 | setservent_r(sd->stayopen, sd); |
| 53 | while ((s = getservent_r(sp, sd)) != NULL) { |
| 54 | if (s->s_port != port) |
| 55 | continue; |
| 56 | if (proto == NULL || strcmp(s->s_proto, proto) == 0) |
| 57 | break; |
| 58 | } |
| 59 | if (!sd->stayopen) |
| 60 | if (sd->fp != NULL) { |
| 61 | (void)fclose(sd->fp); |
| 62 | sd->fp = NULL; |
| 63 | } |
| 64 | return s; |
| 65 | } |