xref: /titanic_41/usr/src/lib/libast/common/misc/astintercept.c (revision 5819f75e225cf93d9c11f52e04ee71c2dcd0eca9)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *          Copyright (c) 1985-2010 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 in getenv.c because some static linkers
28  *	 miss lone references to "intercepts" without "astintercept()"
29  */
30 
31 /*
32  * set/clear ast intercept callouts
33  */
34 
35 int
36 astintercept(Shbltin_t* call, int set)
37 {
38 	if (call->shgetenv)
39 	{
40 		if (set)
41 			intercepts.intercept_getenv = call->shgetenv;
42 		else
43 			intercepts.intercept_getenv = 0;
44 	}
45 	if (call->shsetenv)
46 	{
47 		if (set)
48 			intercepts.intercept_setenviron = call->shsetenv;
49 		else
50 			intercepts.intercept_setenviron = 0;
51 	}
52 	return 0;
53 }
54