NetBSD/tests/libexec/ld.elf_so/t_dlerror-cleared.c

68 lines
2.1 KiB
C

/* $NetBSD: t_dlerror-cleared.c,v 1.1 2010/12/14 05:57:32 skrll Exp $ */
/*
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <atf-c.h>
#include <dlfcn.h>
#include <link_elf.h>
#include "../../h_macros.h"
ATF_TC(rtld_dlerror_cleared);
ATF_TC_HEAD(rtld_dlerror_cleared, tc)
{
atf_tc_set_md_var(tc, "descr",
"error set by dlopen persists past a successful dlopen call");
}
ATF_TC_BODY(rtld_dlerror_cleared, tc)
{
void *handle;
char *error;
/*
* Test that an error set by dlopen() persists past a successful
* dlopen() call.
*/
handle = dlopen("libnonexistent.so", RTLD_LAZY);
ATF_CHECK(handle == NULL);
handle = dlopen("libm.so", RTLD_NOW);
ATF_CHECK(handle);
error = dlerror();
ATF_CHECK(error);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, rtld_dlerror_cleared);
return 0;
}