1da2e3ebchin/***********************************************************************
2da2e3ebchin*                                                                      *
3da2e3ebchin*               This software is part of the ast package               *
43e14f97Roger A. Faulkner*          Copyright (c) 1985-2010 AT&T Intellectual Property          *
5da2e3ebchin*                      and is licensed under the                       *
6da2e3ebchin*                  Common Public License, Version 1.0                  *
77c2fbfbApril Chin*                    by AT&T Intellectual Property                     *
8da2e3ebchin*                                                                      *
9da2e3ebchin*                A copy of the License is available at                 *
10da2e3ebchin*            http://www.opensource.org/licenses/cpl1.0.txt             *
11da2e3ebchin*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12da2e3ebchin*                                                                      *
13da2e3ebchin*              Information and Software Systems Research               *
14da2e3ebchin*                            AT&T Research                             *
15da2e3ebchin*                           Florham Park NJ                            *
16da2e3ebchin*                                                                      *
17da2e3ebchin*                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebchin*                  David Korn <dgk@research.att.com>                   *
19da2e3ebchin*                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebchin*                                                                      *
21da2e3ebchin***********************************************************************/
22da2e3ebchin#pragma prototyped
23da2e3ebchin/*
24da2e3ebchin * Glenn Fowler
25da2e3ebchin * AT&T Bell Laboratories
26da2e3ebchin *
27da2e3ebchin * generate ast traps for botched standard prototypes
28da2e3ebchin */
29da2e3ebchin
30da2e3ebchin#include <sys/types.h>
31da2e3ebchin
32da2e3ebchin#include "FEATURE/lib"
337c2fbfbApril Chin#include "FEATURE/sys"
34da2e3ebchin
35da2e3ebchin#if _lib_getgroups
36da2e3ebchinextern int		getgroups(int, gid_t*);
37da2e3ebchin#endif
38da2e3ebchin
39da2e3ebchinint
40da2e3ebchinmain()
41da2e3ebchin{
42da2e3ebchin#if _lib_getgroups
43da2e3ebchin	if (sizeof(int) > sizeof(gid_t))
44da2e3ebchin	{
45da2e3ebchin		int	n;
46da2e3ebchin		int	i;
47da2e3ebchin		int	r;
48da2e3ebchin		gid_t	groups[32 * sizeof(int) / sizeof(gid_t)];
49da2e3ebchin
50da2e3ebchin		r = sizeof(int) / sizeof(gid_t);
51da2e3ebchin		if ((n = getgroups((sizeof(groups) / sizeof(groups[0])) / r, groups)) > 0)
52da2e3ebchin			for (i = 1; i <= n; i++)
53da2e3ebchin			{
54da2e3ebchin				groups[i] = ((gid_t)0);
55da2e3ebchin				if (getgroups(i, groups) != i)
56da2e3ebchin					goto botched;
57da2e3ebchin				if (groups[i] != ((gid_t)0))
58da2e3ebchin					goto botched;
59da2e3ebchin				groups[i] = ((gid_t)-1);
60da2e3ebchin				if (getgroups(i, groups) != i)
61da2e3ebchin					goto botched;
62da2e3ebchin				if (groups[i] != ((gid_t)-1))
63da2e3ebchin					goto botched;
64da2e3ebchin			}
65da2e3ebchin	}
66da2e3ebchin	return 0;
67da2e3ebchin botched:
68da2e3ebchin	printf("#undef	getgroups\n");
69da2e3ebchin	printf("#define getgroups	_ast_getgroups /* implementation botches gid_t* arg */\n");
70da2e3ebchin#endif
71da2e3ebchin	return 0;
72da2e3ebchin}
73