xref: /illumos-gate/usr/src/lib/libc/port/gen/getspent.c (revision 1da57d551424de5a9d469760be7c4b4d4f10a755)
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 #include "lint.h"
31 #include <sys/types.h>
32 #include <shadow.h>
33 #include <nss_dbdefs.h>
34 #include <stdio.h>
35 #include "tsd.h"
36 
37 #ifdef	NSS_INCLUDE_UNSAFE
38 
39 /*
40  * Ye olde non-reentrant interface (MT-unsafe, caveat utor)
41  */
42 
43 static void
free_spbuf(void * arg)44 free_spbuf(void *arg)
45 {
46 	nss_XbyY_buf_t **buffer = arg;
47 
48 	NSS_XbyY_FREE(buffer);
49 }
50 
51 static nss_XbyY_buf_t *
get_spbuf()52 get_spbuf()
53 {
54 	nss_XbyY_buf_t **buffer =
55 	    tsdalloc(_T_SPBUF, sizeof (nss_XbyY_buf_t *), free_spbuf);
56 	nss_XbyY_buf_t *b;
57 
58 	if (buffer == NULL)
59 		return (NULL);
60 	b = NSS_XbyY_ALLOC(buffer, sizeof (struct spwd), NSS_BUFLEN_SHADOW);
61 	return (b);
62 }
63 
64 struct spwd *
getspnam(const char * nam)65 getspnam(const char *nam)
66 {
67 	nss_XbyY_buf_t	*b = get_spbuf();
68 
69 	return (b == NULL ? NULL :
70 	    getspnam_r(nam, b->result, b->buffer, b->buflen));
71 }
72 
73 struct spwd *
getspent(void)74 getspent(void)
75 {
76 	nss_XbyY_buf_t	*b = get_spbuf();
77 
78 	return (b == NULL ? NULL :
79 	    getspent_r(b->result, b->buffer, b->buflen));
80 }
81 
82 struct spwd *
fgetspent(FILE * f)83 fgetspent(FILE *f)
84 {
85 	nss_XbyY_buf_t	*b = get_spbuf();
86 
87 	return (b == NULL ? NULL :
88 	    fgetspent_r(f, b->result, b->buffer, b->buflen));
89 }
90 
91 #endif	/* NSS_INCLUDE_UNSAFE */
92