1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 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 * Glenn Fowler
25 * AT&T Bell Laboratories
26 *
27 * generate ast traps for botched standard prototypes
28 */
29
30#include <sys/types.h>
31
32#include "FEATURE/lib"
33#include "FEATURE/sys"
34
35#if _lib_getgroups
36extern int		getgroups(int, gid_t*);
37#endif
38
39int
40main()
41{
42#if _lib_getgroups
43	if (sizeof(int) > sizeof(gid_t))
44	{
45		int	n;
46		int	i;
47		int	r;
48		gid_t	groups[32 * sizeof(int) / sizeof(gid_t)];
49
50		r = sizeof(int) / sizeof(gid_t);
51		if ((n = getgroups((sizeof(groups) / sizeof(groups[0])) / r, groups)) > 0)
52			for (i = 1; i <= n; i++)
53			{
54				groups[i] = ((gid_t)0);
55				if (getgroups(i, groups) != i)
56					goto botched;
57				if (groups[i] != ((gid_t)0))
58					goto botched;
59				groups[i] = ((gid_t)-1);
60				if (getgroups(i, groups) != i)
61					goto botched;
62				if (groups[i] != ((gid_t)-1))
63					goto botched;
64			}
65	}
66	return 0;
67 botched:
68	printf("#undef	getgroups\n");
69	printf("#define getgroups	_ast_getgroups /* implementation botches gid_t* arg */\n");
70#endif
71	return 0;
72}
73