1 /*-
2 * Copyright (c) 2002 Tim J. Robbins
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 /*
28 * Test program for perror() as specified by IEEE Std. 1003.1-2001 and
29 * ISO/IEC 9899:1999.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34
35 #include <err.h>
36 #include <errno.h>
37 #include <limits.h>
38 #include <paths.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43
44 #include <atf-c.h>
45
46 static char tmpfil[PATH_MAX];
47
48 ATF_TC_WITHOUT_HEAD(perror_test);
ATF_TC_BODY(perror_test,tc)49 ATF_TC_BODY(perror_test, tc)
50 {
51 char lbuf[512];
52 int i;
53 char *s;
54
55 strcpy(tmpfil, "perror.XXXXXXXX");
56 ATF_REQUIRE(mkstemp(tmpfil) >= 0);
57 /* Reopen stderr on a file descriptor other than 2. */
58 fclose(stderr);
59 for (i = 0; i < 3; i++)
60 dup(0);
61 ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL);
62
63 /*
64 * Test that perror() doesn't call strerror() (4.4BSD bug),
65 * the two ways of omitting a program name, and the formatting when
66 * a program name is specified.
67 */
68 s = strerror(ENOENT);
69 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
70 "message obtained was: %s", s);
71 errno = EPERM;
72 perror(NULL);
73 perror("");
74 perror("perror_test");
75 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
76 "message obtained was: %s", s);
77
78 /*
79 * Read it back to check...
80 */
81 rewind(stderr);
82 s = fgets(lbuf, sizeof(lbuf), stderr);
83 ATF_REQUIRE(s != NULL);
84 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
85 "message obtained was: %s", s);
86 s = fgets(lbuf, sizeof(lbuf), stderr);
87 ATF_REQUIRE(s != NULL);
88 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
89 "message obtained was: %s", s);
90 s = fgets(lbuf, sizeof(lbuf), stderr);
91 ATF_REQUIRE(s != NULL);
92 ATF_REQUIRE_MSG(
93 strcmp(s, "perror_test: Operation not permitted\n") == 0,
94 "message obtained was: %s", s);
95 s = fgets(lbuf, sizeof(lbuf), stderr);
96 ATF_REQUIRE(s == NULL);
97 fclose(stderr);
98
99 }
100
ATF_TP_ADD_TCS(tp)101 ATF_TP_ADD_TCS(tp)
102 {
103
104 ATF_TP_ADD_TC(tp, perror_test);
105
106 return (atf_no_error());
107 }
108