Home | History | Annotate | Download | only in inet
      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) 1986-1992,2001 by Sun Microsystems, Inc.
     24  * All rights reserved.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <netdb.h>
     30 #include <nss_dbdefs.h>
     31 
     32 
     33 #ifdef	NSS_INCLUDE_UNSAFE
     34 
     35 /*
     36  * Ye olde non-reentrant interface (MT-unsafe, caveat utor)
     37  */
     38 
     39 /*
     40  * Don't free this, even on an endprotoent(), because bitter experience shows
     41  * that there's production code that does getXXXbyYYY(), then endXXXent(),
     42  * and then continues to use the pointer it got back.
     43  */
     44 static nss_XbyY_buf_t *buffer;
     45 #define	GETBUF()	\
     46 NSS_XbyY_ALLOC(&buffer, (int)sizeof (struct protoent), NSS_BUFLEN_PROTOCOLS)
     47 	/* === ?? set ENOMEM on failure?  */
     48 
     49 struct protoent *
     50 getprotobyname(const char *nam)
     51 {
     52 	nss_XbyY_buf_t	*b;
     53 	struct protoent	*res = 0;
     54 
     55 	if ((b = GETBUF()) != 0) {
     56 		res = getprotobyname_r(nam, b->result, b->buffer, b->buflen);
     57 	}
     58 	return (res);
     59 }
     60 
     61 struct protoent *
     62 getprotobynumber(int proto)
     63 {
     64 	nss_XbyY_buf_t	*b;
     65 	struct protoent	*res = 0;
     66 
     67 	if ((b = GETBUF()) != 0) {
     68 		res = getprotobynumber_r(proto, b->result,
     69 					b->buffer, b->buflen);
     70 	}
     71 	return (res);
     72 }
     73 
     74 struct protoent *
     75 getprotoent()
     76 {
     77 	nss_XbyY_buf_t	*b;
     78 	struct protoent	*res = 0;
     79 
     80 	if ((b = GETBUF()) != 0) {
     81 		res = getprotoent_r(b->result, b->buffer, b->buflen);
     82 	}
     83 	return (res);
     84 }
     85 
     86 #endif	/* NSS_INCLUDE_UNSAFE */
     87