1 /* Copyright (C) 2003-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <dlfcn.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 22 static int do_test(void)23do_test (void) 24 { 25 static const char modname[] = "tst-alignmod.so"; 26 int result = 0; 27 void (*fp) (int *); 28 void *h; 29 30 h = dlopen (modname, RTLD_LAZY); 31 if (h == NULL) 32 { 33 printf ("cannot open '%s': %s\n", modname, dlerror ()); 34 exit (1); 35 } 36 37 fp = dlsym (h, "in_dso"); 38 if (fp == NULL) 39 { 40 printf ("cannot get symbol 'in_dso': %s\n", dlerror ()); 41 exit (1); 42 } 43 44 fp (&result); 45 46 dlclose (h); 47 48 return result; 49 } 50 51 #include <support/test-driver.c> 52