1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1986-1994,2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 * 26 * Ye olde non-reentrant interface (MT-unsafe, caveat utor) 27 * 28 * lib/libsocket/inet/getservent.c 29 */ 30 31 #include <netdb.h> 32 #include <nss_dbdefs.h> 33 34 #ifdef NSS_INCLUDE_UNSAFE 35 36 /* 37 * Don't free this, even on an endservent(), because bitter experience shows 38 * that there's production code that does getXXXbyYYY(), then endXXXent(), 39 * and then continues to use the pointer it got back. 40 */ 41 static nss_XbyY_buf_t *buffer; 42 #define GETBUF() \ 43 NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct servent), NSS_BUFLEN_SERVICES) 44 /* === ?? set ENOMEM on failure? */ 45 46 struct servent * 47 getservbyname(const char *nam, const char *proto) 48 { 49 nss_XbyY_buf_t *b; 50 struct servent *res = 0; 51 52 if ((b = GETBUF()) != 0) { 53 res = getservbyname_r(nam, proto, 54 b->result, b->buffer, b->buflen); 55 } 56 return (res); 57 } 58 59 struct servent * 60 getservbyport(int port, const char *proto) 61 { 62 nss_XbyY_buf_t *b; 63 struct servent *res = 0; 64 65 if ((b = GETBUF()) != 0) { 66 res = getservbyport_r(port, proto, 67 b->result, b->buffer, b->buflen); 68 } 69 return (res); 70 } 71 72 struct servent * 73 getservent(void) 74 { 75 nss_XbyY_buf_t *b; 76 struct servent *res = 0; 77 78 if ((b = GETBUF()) != 0) { 79 res = getservent_r(b->result, b->buffer, b->buflen); 80 } 81 return (res); 82 } 83 84 #endif /* NSS_INCLUDE_UNSAFE */ 85