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 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <netdb.h> 34 #include <nss_dbdefs.h> 35 36 #ifdef NSS_INCLUDE_UNSAFE 37 38 /* 39 * Don't free this, even on an endservent(), because bitter experience shows 40 * that there's production code that does getXXXbyYYY(), then endXXXent(), 41 * and then continues to use the pointer it got back. 42 */ 43 static nss_XbyY_buf_t *buffer; 44 #define GETBUF() \ 45 NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct servent), NSS_BUFLEN_SERVICES) 46 /* === ?? set ENOMEM on failure? */ 47 48 struct servent * 49 getservbyname(const char *nam, const char *proto) 50 { 51 nss_XbyY_buf_t *b; 52 struct servent *res = 0; 53 54 if ((b = GETBUF()) != 0) { 55 res = getservbyname_r(nam, proto, 56 b->result, b->buffer, b->buflen); 57 } 58 return (res); 59 } 60 61 struct servent * 62 getservbyport(int port, const char *proto) 63 { 64 nss_XbyY_buf_t *b; 65 struct servent *res = 0; 66 67 if ((b = GETBUF()) != 0) { 68 res = getservbyport_r(port, proto, 69 b->result, b->buffer, b->buflen); 70 } 71 return (res); 72 } 73 74 struct servent * 75 getservent(void) 76 { 77 nss_XbyY_buf_t *b; 78 struct servent *res = 0; 79 80 if ((b = GETBUF()) != 0) { 81 res = getservent_r(b->result, b->buffer, b->buflen); 82 } 83 return (res); 84 } 85 86 #endif /* NSS_INCLUDE_UNSAFE */ 87