| d7ce7006 |
1 | /*\r |
| 2 | * Copyright (c) 1983, 1993\r |
| 3 | * The Regents of the University of California. All rights reserved.\r |
| 4 | *\r |
| 5 | * Redistribution and use in source and binary forms, with or without\r |
| 6 | * modification, are permitted provided that the following conditions\r |
| 7 | * are met:\r |
| 8 | * 1. Redistributions of source code must retain the above copyright\r |
| 9 | * notice, this list of conditions and the following disclaimer.\r |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright\r |
| 11 | * notice, this list of conditions and the following disclaimer in the\r |
| 12 | * documentation and/or other materials provided with the distribution.\r |
| 13 | * 3. All advertising materials mentioning features or use of this software\r |
| 14 | * must display the following acknowledgement:\r |
| 15 | * This product includes software developed by the University of\r |
| 16 | * California, Berkeley and its contributors.\r |
| 17 | * 4. Neither the name of the University nor the names of its contributors\r |
| 18 | * may be used to endorse or promote products derived from this software\r |
| 19 | * without specific prior written permission.\r |
| 20 | *\r |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r |
| 31 | * SUCH DAMAGE.\r |
| 32 | */\r |
| 33 | \r |
| 34 | #if defined(LIBC_SCCS) && !defined(lint)\r |
| 35 | static char sccsid[] = "@(#)getservbyport.c 8.1 (Berkeley) 6/4/93";\r |
| 36 | #endif /* LIBC_SCCS and not lint */\r |
| 37 | \r |
| 38 | #include <netdb.h>\r |
| 39 | #include <string.h>\r |
| 40 | \r |
| 41 | extern int _serv_stayopen;\r |
| 42 | \r |
| 43 | struct servent *\r |
| 44 | getservbyport(int port, const char *proto)\r |
| 45 | {\r |
| 46 | register struct servent *p;\r |
| 47 | \r |
| 48 | #ifdef YP\r |
| 49 | extern int ___getservbyport_yp;\r |
| 50 | extern char *___getservbyproto_yp;\r |
| 51 | \r |
| 52 | ___getservbyport_yp = port;\r |
| 53 | ___getservbyproto_yp = (char *)proto;\r |
| 54 | #endif\r |
| 55 | \r |
| 56 | setservent(_serv_stayopen);\r |
| 57 | while ( NULL != (p = getservent()) ) {\r |
| 58 | if (p->s_port != port)\r |
| 59 | continue;\r |
| 60 | if (proto == 0 || strcmp(p->s_proto, proto) == 0)\r |
| 61 | break;\r |
| 62 | }\r |
| 63 | if (!_serv_stayopen)\r |
| 64 | endservent();\r |
| 65 | \r |
| 66 | #ifdef YP\r |
| 67 | ___getservbyport_yp = 0;\r |
| 68 | ___getservbyproto_yp = NULL;\r |
| 69 | #endif\r |
| 70 | \r |
| 71 | return (p);\r |
| 72 | }\r |
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