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 <err.h>
33 #include <errno.h>
34 #include <limits.h>
35 #include <paths.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40
41 #include <atf-c.h>
42
43 static char tmpfil[PATH_MAX];
44
45 ATF_TC_WITHOUT_HEAD(perror_test);
ATF_TC_BODY(perror_test,tc)46 ATF_TC_BODY(perror_test, tc)
47 {
48 char lbuf[512];
49 int i;
50 char *s;
51
52 strcpy(tmpfil, "perror.XXXXXXXX");
53 ATF_REQUIRE(mkstemp(tmpfil) >= 0);
54 /* Reopen stderr on a file descriptor other than 2. */
55 fclose(stderr);
56 for (i = 0; i < 3; i++)
57 dup(0);
58 ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL);
59
60 /*
61 * Test that perror() doesn't call strerror() (4.4BSD bug),
62 * the two ways of omitting a program name, and the formatting when
63 * a program name is specified.
64 */
65 s = strerror(ENOENT);
66 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
67 "message obtained was: %s", s);
68 errno = EPERM;
69 perror(NULL);
70 perror("");
71 perror("perror_test");
72 ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
73 "message obtained was: %s", s);
74
75 /*
76 * Read it back to check...
77 */
78 rewind(stderr);
79 s = fgets(lbuf, sizeof(lbuf), stderr);
80 ATF_REQUIRE(s != NULL);
81 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
82 "message obtained was: %s", s);
83 s = fgets(lbuf, sizeof(lbuf), stderr);
84 ATF_REQUIRE(s != NULL);
85 ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
86 "message obtained was: %s", s);
87 s = fgets(lbuf, sizeof(lbuf), stderr);
88 ATF_REQUIRE(s != NULL);
89 ATF_REQUIRE_MSG(
90 strcmp(s, "perror_test: Operation not permitted\n") == 0,
91 "message obtained was: %s", s);
92 s = fgets(lbuf, sizeof(lbuf), stderr);
93 ATF_REQUIRE(s == NULL);
94 fclose(stderr);
95
96 }
97
ATF_TP_ADD_TCS(tp)98 ATF_TP_ADD_TCS(tp)
99 {
100
101 ATF_TP_ADD_TC(tp, perror_test);
102
103 return (atf_no_error());
104 }
105