xref: /titanic_41/usr/src/lib/libast/common/misc/getenv.c (revision 26fd77009b17f8c8fb32eb362584cfd635e87ad9)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                    by AT&T Intellectual Property                     *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 
24 #include "intercepts.h"
25 
26 /*
27  * NOTE: the "intercepts" definition is here instead of astintercept.c because some
28  *	 static linkers miss lone references to "intercepts" without "astintercept()"
29  * ALSO: { 0 } definition required by some dynamic linkers avers to common symbols
30  */
31 
32 Intercepts_t	intercepts = { 0 };
33 
34 /*
35  * get name from the environment
36  */
37 
38 char*
39 getenv(const char* name)
40 {
41 #undef	getenv
42 	return intercepts.intercept_getenv ? (*intercepts.intercept_getenv)(name) : getenv(name);
43 }
44