xref: /onnv-gate/usr/src/lib/libast/common/features/botch.c (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * Glenn Fowler
254887Schin  * AT&T Bell Laboratories
264887Schin  *
274887Schin  * generate ast traps for botched standard prototypes
284887Schin  */
294887Schin 
304887Schin #include <sys/types.h>
314887Schin 
324887Schin #include "FEATURE/lib"
338462SApril.Chin@Sun.COM #include "FEATURE/sys"
344887Schin 
354887Schin #if _lib_getgroups
364887Schin extern int		getgroups(int, gid_t*);
374887Schin #endif
384887Schin 
394887Schin int
main()404887Schin main()
414887Schin {
424887Schin #if _lib_getgroups
434887Schin 	if (sizeof(int) > sizeof(gid_t))
444887Schin 	{
454887Schin 		int	n;
464887Schin 		int	i;
474887Schin 		int	r;
484887Schin 		gid_t	groups[32 * sizeof(int) / sizeof(gid_t)];
494887Schin 
504887Schin 		r = sizeof(int) / sizeof(gid_t);
514887Schin 		if ((n = getgroups((sizeof(groups) / sizeof(groups[0])) / r, groups)) > 0)
524887Schin 			for (i = 1; i <= n; i++)
534887Schin 			{
544887Schin 				groups[i] = ((gid_t)0);
554887Schin 				if (getgroups(i, groups) != i)
564887Schin 					goto botched;
574887Schin 				if (groups[i] != ((gid_t)0))
584887Schin 					goto botched;
594887Schin 				groups[i] = ((gid_t)-1);
604887Schin 				if (getgroups(i, groups) != i)
614887Schin 					goto botched;
624887Schin 				if (groups[i] != ((gid_t)-1))
634887Schin 					goto botched;
644887Schin 			}
654887Schin 	}
664887Schin 	return 0;
674887Schin  botched:
684887Schin 	printf("#undef	getgroups\n");
694887Schin 	printf("#define getgroups	_ast_getgroups /* implementation botches gid_t* arg */\n");
704887Schin #endif
714887Schin 	return 0;
724887Schin }
73