1108088Stjr/*-
2108088Stjr * Copyright (c) 2002 Tim J. Robbins
3108088Stjr * All rights reserved.
4108088Stjr *
5108088Stjr * Redistribution and use in source and binary forms, with or without
6108088Stjr * modification, are permitted provided that the following conditions
7108088Stjr * are met:
8108088Stjr * 1. Redistributions of source code must retain the above copyright
9108088Stjr *    notice, this list of conditions and the following disclaimer.
10108088Stjr * 2. Redistributions in binary form must reproduce the above copyright
11108088Stjr *    notice, this list of conditions and the following disclaimer in the
12108088Stjr *    documentation and/or other materials provided with the distribution.
13108088Stjr *
14108088Stjr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15108088Stjr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16108088Stjr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17108088Stjr * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18108088Stjr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19108088Stjr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20108088Stjr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21108088Stjr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22108088Stjr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23108088Stjr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24108088Stjr * SUCH DAMAGE.
25108088Stjr */
26108088Stjr
27108088Stjr/*
28108088Stjr * Test program for perror() as specified by IEEE Std. 1003.1-2001 and
29108088Stjr * ISO/IEC 9899:1999.
30108088Stjr */
31108088Stjr
32108088Stjr#include <sys/cdefs.h>
33108088Stjr__FBSDID("$FreeBSD$");
34108088Stjr
35108088Stjr#include <err.h>
36108088Stjr#include <errno.h>
37108088Stjr#include <limits.h>
38108088Stjr#include <paths.h>
39108088Stjr#include <stdio.h>
40108088Stjr#include <stdlib.h>
41108088Stjr#include <string.h>
42244038Sjilles#include <unistd.h>
43108088Stjr
44290537Sngie#include <atf-c.h>
45290537Sngie
46108088Stjrstatic char tmpfil[PATH_MAX];
47108088Stjr
48290537SngieATF_TC_WITHOUT_HEAD(perror_test);
49290537SngieATF_TC_BODY(perror_test, tc)
50108088Stjr{
51291870Sngie	char lbuf[512];
52108088Stjr	int i;
53108088Stjr	char *s;
54108088Stjr
55290537Sngie	strcpy(tmpfil, "perror.XXXXXXXX");
56290537Sngie	ATF_REQUIRE(mkstemp(tmpfil) >= 0);
57108088Stjr	/* Reopen stderr on a file descriptor other than 2. */
58108088Stjr	fclose(stderr);
59108088Stjr	for (i = 0; i < 3; i++)
60108088Stjr		dup(0);
61290537Sngie	ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL);
62108088Stjr
63108088Stjr	/*
64108088Stjr	 * Test that perror() doesn't call strerror() (4.4BSD bug),
65108088Stjr	 * the two ways of omitting a program name, and the formatting when
66108088Stjr	 * a program name is specified.
67108088Stjr	 */
68108088Stjr	s = strerror(ENOENT);
69290537Sngie	ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
70290537Sngie	    "message obtained was: %s", s);
71108088Stjr	errno = EPERM;
72108088Stjr	perror(NULL);
73108088Stjr	perror("");
74290537Sngie	perror("perror_test");
75290537Sngie	ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
76290537Sngie	    "message obtained was: %s", s);
77108088Stjr
78108088Stjr	/*
79108088Stjr	 * Read it back to check...
80108088Stjr	 */
81108088Stjr	rewind(stderr);
82108088Stjr	s = fgets(lbuf, sizeof(lbuf), stderr);
83290537Sngie	ATF_REQUIRE(s != NULL);
84290537Sngie	ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
85290537Sngie	    "message obtained was: %s", s);
86108088Stjr	s = fgets(lbuf, sizeof(lbuf), stderr);
87290537Sngie	ATF_REQUIRE(s != NULL);
88290537Sngie	ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
89290537Sngie	    "message obtained was: %s", s);
90108088Stjr	s = fgets(lbuf, sizeof(lbuf), stderr);
91290537Sngie	ATF_REQUIRE(s != NULL);
92290537Sngie	ATF_REQUIRE_MSG(
93290537Sngie	    strcmp(s, "perror_test: Operation not permitted\n") == 0,
94290537Sngie	    "message obtained was: %s", s);
95108088Stjr	s = fgets(lbuf, sizeof(lbuf), stderr);
96290537Sngie	ATF_REQUIRE(s == NULL);
97108088Stjr	fclose(stderr);
98108088Stjr
99108088Stjr}
100108088Stjr
101290537SngieATF_TP_ADD_TCS(tp)
102108088Stjr{
103108088Stjr
104290537Sngie	ATF_TP_ADD_TC(tp, perror_test);
105290537Sngie
106290537Sngie	return (atf_no_error());
107108088Stjr}
108