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

   1 /*      $NetBSD: t_dlerror-cleared.c,v 1.1 2010/12/14 05:57:32 skrll Exp $      */
   2
   3 /*
   4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/types.h>
  31
  32 #include <atf-c.h>
  33 #include <dlfcn.h>
  34 #include <link_elf.h>
  35
  36 #include "../../h_macros.h"
  37
  38 ATF_TC(rtld_dlerror_cleared);
  39 ATF_TC_HEAD(rtld_dlerror_cleared, tc)
  40 {
  41         atf_tc_set_md_var(tc, "descr",
  42             "error set by dlopen persists past a successful dlopen call");
  43 }
  44
  45 ATF_TC_BODY(rtld_dlerror_cleared, tc)
  46 {
  47         void *handle;
  48         char *error;
  49
  50         /*
  51          * Test that an error set by dlopen() persists past a successful
  52          * dlopen() call.
  53          */
  54         handle = dlopen("libnonexistent.so", RTLD_LAZY);
  55         ATF_CHECK(handle == NULL);
  56         handle = dlopen("libm.so", RTLD_NOW);
  57         ATF_CHECK(handle);
  58         error = dlerror();
  59         ATF_CHECK(error);
  60
  61 }
  62
  63 ATF_TP_ADD_TCS(tp)
  64 {
  65         ATF_TP_ADD_TC(tp, rtld_dlerror_cleared);
  66         return 0;
  67 }