1 /*
2  * Copyright (c) International Business Machines  Corp., 2001
3  *  Ported by Wayne Boyer
4  *
5  * This program is free software;  you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY;  without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
13  * the GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program;  if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 /*
21  * Testcase to check the basic functionality of getgid().
22  *
23  * For functionality test the return value from getgid() is compared to passwd
24  * entry.
25  */
26 
27 #include <pwd.h>
28 #include <errno.h>
29 
30 #include "test.h"
31 #include "compat_16.h"
32 
33 static void cleanup(void);
34 static void setup(void);
35 
36 TCID_DEFINE(getgid03);
37 int TST_TOTAL = 1;
38 
39 int main(int ac, char **av)
40 {
41 	int lc;
42 	uid_t uid;
43 	struct passwd *pwent;
44 
45 	tst_parse_opts(ac, av, NULL, NULL);
46 
47 	setup();
48 
49 	for (lc = 0; TEST_LOOPING(lc); lc++) {
50 		tst_count = 0;
51 
52 		TEST(GETGID(cleanup));
53 
54 		if (TEST_RETURN < 0) {
55 			tst_brkm(TBROK, cleanup, "This should never happen");
56 		}
57 
58 		uid = getuid();
59 		pwent = getpwuid(uid);
60 
61 		if (pwent == NULL)
62 			tst_brkm(TBROK, cleanup, "getuid() returned "
63 				 "unexpected value %d", uid);
64 
65 		GID16_CHECK(pwent->pw_gid, getgid, cleanup);
66 
67 		if (pwent->pw_gid != TEST_RETURN) {
68 			tst_resm(TFAIL, "getgid() return value "
69 				 "%ld unexpected - expected %d",
70 				 TEST_RETURN, pwent->pw_gid);
71 		} else {
72 			tst_resm(TPASS, "values from getuid "
73 				 "and getpwuid match");
74 		}
75 	}
76 
77 	cleanup();
78 	tst_exit();
79 }
80 
81 static void setup(void)
82 {
83 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
84 	TEST_PAUSE;
85 }
86 
87 static void cleanup(void)
88 {
89 }
90