xref: /illumos-gate/usr/src/lib/libc/port/gen/getspent.c (revision 7257d1b4)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include "lint.h"
33 #include <sys/types.h>
34 #include <shadow.h>
35 #include <nss_dbdefs.h>
36 #include <stdio.h>
37 #include "tsd.h"
38 
39 #ifdef	NSS_INCLUDE_UNSAFE
40 
41 /*
42  * Ye olde non-reentrant interface (MT-unsafe, caveat utor)
43  */
44 
45 static void
free_spbuf(void * arg)46 free_spbuf(void *arg)
47 {
48 	nss_XbyY_buf_t **buffer = arg;
49 
50 	NSS_XbyY_FREE(buffer);
51 }
52 
53 static nss_XbyY_buf_t *
get_spbuf()54 get_spbuf()
55 {
56 	nss_XbyY_buf_t **buffer =
57 	    tsdalloc(_T_SPBUF, sizeof (nss_XbyY_buf_t *), free_spbuf);
58 	nss_XbyY_buf_t *b;
59 
60 	if (buffer == NULL)
61 		return (NULL);
62 	b = NSS_XbyY_ALLOC(buffer, sizeof (struct spwd), NSS_BUFLEN_SHADOW);
63 	return (b);
64 }
65 
66 struct spwd *
getspnam(const char * nam)67 getspnam(const char *nam)
68 {
69 	nss_XbyY_buf_t	*b = get_spbuf();
70 
71 	return (b == NULL ? NULL :
72 	    getspnam_r(nam, b->result, b->buffer, b->buflen));
73 }
74 
75 struct spwd *
getspent(void)76 getspent(void)
77 {
78 	nss_XbyY_buf_t	*b = get_spbuf();
79 
80 	return (b == NULL ? NULL :
81 	    getspent_r(b->result, b->buffer, b->buflen));
82 }
83 
84 struct spwd *
fgetspent(FILE * f)85 fgetspent(FILE *f)
86 {
87 	nss_XbyY_buf_t	*b = get_spbuf();
88 
89 	return (b == NULL ? NULL :
90 	    fgetspent_r(f, b->result, b->buffer, b->buflen));
91 }
92 
93 #endif	/* NSS_INCLUDE_UNSAFE */
94