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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 |