xref: /titanic_50/usr/src/lib/libast/common/misc/astintercept.c (revision 3e14f97f673e8a630f076077de35afdd43dc1587)
17c2fbfb3SApril Chin /***********************************************************************
27c2fbfb3SApril Chin *                                                                      *
37c2fbfb3SApril Chin *               This software is part of the ast package               *
4*3e14f97fSRoger A. Faulkner *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
57c2fbfb3SApril Chin *                      and is licensed under the                       *
67c2fbfb3SApril Chin *                  Common Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
87c2fbfb3SApril Chin *                                                                      *
97c2fbfb3SApril Chin *                A copy of the License is available at                 *
107c2fbfb3SApril Chin *            http://www.opensource.org/licenses/cpl1.0.txt             *
117c2fbfb3SApril Chin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
127c2fbfb3SApril Chin *                                                                      *
137c2fbfb3SApril Chin *              Information and Software Systems Research               *
147c2fbfb3SApril Chin *                            AT&T Research                             *
157c2fbfb3SApril Chin *                           Florham Park NJ                            *
167c2fbfb3SApril Chin *                                                                      *
177c2fbfb3SApril Chin *                 Glenn Fowler <gsf@research.att.com>                  *
187c2fbfb3SApril Chin *                  David Korn <dgk@research.att.com>                   *
197c2fbfb3SApril Chin *                   Phong Vo <kpv@research.att.com>                    *
207c2fbfb3SApril Chin *                                                                      *
217c2fbfb3SApril Chin ***********************************************************************/
227c2fbfb3SApril Chin #pragma prototyped
237c2fbfb3SApril Chin 
247c2fbfb3SApril Chin #include "intercepts.h"
257c2fbfb3SApril Chin 
267c2fbfb3SApril Chin /*
277c2fbfb3SApril Chin  * NOTE: the "intercepts" definition is in getenv.c because some static linkers
287c2fbfb3SApril Chin  *	 miss lone references to "intercepts" without "astintercept()"
297c2fbfb3SApril Chin  */
307c2fbfb3SApril Chin 
317c2fbfb3SApril Chin /*
327c2fbfb3SApril Chin  * set/clear ast intercept callouts
337c2fbfb3SApril Chin  */
347c2fbfb3SApril Chin 
357c2fbfb3SApril Chin int
astintercept(Shbltin_t * call,int set)367c2fbfb3SApril Chin astintercept(Shbltin_t* call, int set)
377c2fbfb3SApril Chin {
387c2fbfb3SApril Chin 	if (call->shgetenv)
397c2fbfb3SApril Chin 	{
407c2fbfb3SApril Chin 		if (set)
417c2fbfb3SApril Chin 			intercepts.intercept_getenv = call->shgetenv;
427c2fbfb3SApril Chin 		else
437c2fbfb3SApril Chin 			intercepts.intercept_getenv = 0;
447c2fbfb3SApril Chin 	}
457c2fbfb3SApril Chin 	if (call->shsetenv)
467c2fbfb3SApril Chin 	{
477c2fbfb3SApril Chin 		if (set)
487c2fbfb3SApril Chin 			intercepts.intercept_setenviron = call->shsetenv;
497c2fbfb3SApril Chin 		else
507c2fbfb3SApril Chin 			intercepts.intercept_setenviron = 0;
517c2fbfb3SApril Chin 	}
527c2fbfb3SApril Chin 	return 0;
537c2fbfb3SApril Chin }
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