1 /*
2 * Copyright (c) 2012, Cyril Hrubis <chrubis@suse.cz>
3 *
4 * This file is licensed under the GPL license. For the full content
5 * of this license, see the COPYING file at the top level of this
6 * source tree.
7 *
8 * If len is zero, mmap() shall fail and no mapping shall be established.
9 */
10
11
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <unistd.h>
15 #include <limits.h>
16 #include <sys/mman.h>
17 #include <sys/types.h>
18 #include <sys/stat.h>
19 #include <sys/wait.h>
20 #include <fcntl.h>
21 #include <string.h>
22 #include <errno.h>
23
24 #include "posixtest.h"
25 #include "tempfile.h"
26
main(void)27 int main(void)
28 {
29 char tmpfname[PATH_MAX];
30
31 void *pa;
32 int fd;
33
34 PTS_GET_TMP_FILENAME(tmpfname, "pts_mmap_32_1");
35 unlink(tmpfname);
36 fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR);
37 if (fd == -1) {
38 printf("Error at open(): %s\n", strerror(errno));
39 return PTS_UNRESOLVED;
40 }
41 unlink(tmpfname);
42
43 pa = mmap(NULL, 0, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
44 if (pa == MAP_FAILED && errno == EINVAL) {
45 printf("Got EINVAL\n");
46 printf("Test PASSED\n");
47 close(fd);
48 return PTS_PASS;
49 }
50
51 if (pa == MAP_FAILED)
52 printf("Test FAILED: Expected EINVAL got %s\n", strerror(errno));
53 else
54 printf("Test FAILED: mmap() succedded unexpectedly\n");
55
56 close(fd);
57 munmap(pa, 0);
58 return PTS_FAIL;
59 }
60