2 * Copyright (c) 2002 Tim J. Robbins
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
28 * Test program for perror() as specified by IEEE Std. 1003.1-2001 and
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
45 static void cleanup(void);
46 static char tmpfil[PATH_MAX];
49 main(int argc, char *argv[])
57 strcpy(tmpfil, _PATH_TMP "perror.XXXXXXXX");
58 if (mkstemp(tmpfil) < 0)
61 /* Reopen stderr on a file descriptor other than 2. */
63 for (i = 0; i < 3; i++)
65 if (freopen(tmpfil, "r+", stderr) == NULL)
69 * Test that perror() doesn't call strerror() (4.4BSD bug),
70 * the two ways of omitting a program name, and the formatting when
71 * a program name is specified.
74 assert(strcmp(s, "No such file or directory") == 0);
78 perror("test-perror");
79 assert(strcmp(s, "No such file or directory") == 0);
82 * Read it back to check...
85 s = fgets(lbuf, sizeof(lbuf), stderr);
87 assert(strcmp(s, "Operation not permitted\n") == 0);
88 s = fgets(lbuf, sizeof(lbuf), stderr);
90 assert(strcmp(s, "Operation not permitted\n") == 0);
91 s = fgets(lbuf, sizeof(lbuf), stderr);
93 assert(strcmp(s, "test-perror: Operation not permitted\n") == 0);
94 s = fgets(lbuf, sizeof(lbuf), stderr);
98 printf("ok 1 - perror()\n");