1 /* $NetBSD: t_dlerror-false.c,v 1.2 2017/01/13 21:30:42 christos 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_false); 39 ATF_TC_HEAD(rtld_dlerror_false, 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_false, tc) 46 { 47 void *handle, *sym; 48 char *error; 49 50 /* 51 * 52 * Test for dlerror() being set by a successful library open. 53 * Requires that the rpath be set to something that does not 54 * include libm.so. 55 */ 56 57 handle = dlopen("libm.so", RTLD_LAZY); 58 error = dlerror(); 59 ATF_CHECK(error == NULL); 60 ATF_CHECK(handle != NULL); 61 62 sym = dlsym(handle, "sin"); 63 error = dlerror(); 64 ATF_CHECK(sym != NULL); 65 ATF_CHECK(error == NULL); 66 67 dlclose(handle); 68 error = dlerror(); 69 70 ATF_CHECK(error == NULL); 71 72 } 73 74 ATF_TP_ADD_TCS(tp) 75 { 76 ATF_TP_ADD_TC(tp, rtld_dlerror_false); 77 78 return atf_no_error(); 79 } 80