108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*-
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* Copyright (c) 2002 Tim J. Robbins
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Test program for perror() as specified by IEEE Std. 1003.1-2001 and
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* ISO/IEC 9899:1999.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <atf-c.h>
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static char tmpfil[PATH_MAX];
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ATF_TC_WITHOUT_HEAD(perror_test);
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ATF_TC_BODY(perror_test, tc)
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{
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char lbuf[512];
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int i;
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char *s;
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strcpy(tmpfil, "perror.XXXXXXXX");
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ATF_REQUIRE(mkstemp(tmpfil) >= 0);
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/* Reopen stderr on a file descriptor other than 2. */
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fclose(stderr);
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for (i = 0; i < 3; i++)
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dup(0);
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ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL);
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/*
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* Test that perror() doesn't call strerror() (4.4BSD bug),
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* the two ways of omitting a program name, and the formatting when
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* a program name is specified.
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*/
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s = strerror(ENOENT);
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ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
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"message obtained was: %s", s);
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errno = EPERM;
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perror(NULL);
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perror("");
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perror("perror_test");
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ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0,
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"message obtained was: %s", s);
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/*
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* Read it back to check...
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*/
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rewind(stderr);
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s = fgets(lbuf, sizeof(lbuf), stderr);
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ATF_REQUIRE(s != NULL);
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ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
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"message obtained was: %s", s);
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s = fgets(lbuf, sizeof(lbuf), stderr);
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ATF_REQUIRE(s != NULL);
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ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0,
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"message obtained was: %s", s);
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s = fgets(lbuf, sizeof(lbuf), stderr);
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ATF_REQUIRE(s != NULL);
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ATF_REQUIRE_MSG(
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strcmp(s, "perror_test: Operation not permitted\n") == 0,
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"message obtained was: %s", s);
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s = fgets(lbuf, sizeof(lbuf), stderr);
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ATF_REQUIRE(s == NULL);
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fclose(stderr);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, perror_test);
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return (atf_no_error());
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}
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