1 /*
2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3  *  AUTHOR		: William Roske
4  *  CO-PILOT		: Dave Fenner
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of version 2 of the GNU General Public License as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it would be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  *
14  * Further, this software is distributed without any warranty that it is
15  * free of the rightful claim of any third person regarding infringement
16  * or the like.  Any license provided herein, whether implied or
17  * otherwise, applies only to this software file.  Patent licenses, if
18  * any, provided herein do not apply to combinations of this program with
19  * other software, or any other product whatsoever.
20  *
21  * You should have received a copy of the GNU General Public License along
22  * with this program; if not, write the Free Software Foundation, Inc.,
23  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24  *
25  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
26  * Mountain View, CA  94043, or:
27  *
28  * http://www.sgi.com
29  *
30  * For further information regarding this notice, see:
31  *
32  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
33  *
34  */
35 /*
36  * DESCRIPTION
37  *	1.) test sbrk(8192) should return successfully.
38  *	2.) test sbrk(-8192) should return successfully.
39  */
40 
41 #include <unistd.h>
42 #include <errno.h>
43 #include <string.h>
44 #include <signal.h>
45 #include <sys/types.h>
46 
47 #include "test.h"
48 
49 char *TCID = "sbrk01";
50 
51 static struct test_case_t {
52 	long increment;
53 } test_cases[] = {
54 	{8192},
55 	{-8192},
56 };
57 
58 static void setup(void);
59 static void sbrk_verify(const struct test_case_t *);
60 static void cleanup(void);
61 
62 int TST_TOTAL = ARRAY_SIZE(test_cases);
63 
main(int ac,char ** av)64 int main(int ac, char **av)
65 {
66 	int lc;
67 	int i;
68 
69 	tst_parse_opts(ac, av, NULL, NULL);
70 
71 	setup();
72 
73 	for (lc = 0; TEST_LOOPING(lc); lc++) {
74 
75 		tst_count = 0;
76 
77 		for (i = 0; i < TST_TOTAL; i++)
78 			sbrk_verify(&test_cases[i]);
79 	}
80 
81 	cleanup();
82 	tst_exit();
83 
84 }
85 
setup(void)86 static void setup(void)
87 {
88 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
89 
90 	TEST_PAUSE;
91 }
92 
sbrk_verify(const struct test_case_t * test)93 static void sbrk_verify(const struct test_case_t *test)
94 {
95 	void *tret;
96 
97 	tret = sbrk(test->increment);
98 	TEST_ERRNO = errno;
99 
100 	if (tret == (void *)-1) {
101 		tst_resm(TFAIL | TTERRNO, "sbrk - Increase by %ld bytes failed",
102 			 test->increment);
103 	} else {
104 		tst_resm(TPASS, "sbrk - Increase by %ld bytes returned %p",
105 			 test->increment, tret);
106 	}
107 }
108 
cleanup(void)109 static void cleanup(void)
110 {
111 }
112