/* Test RTLD_DEFAULT/RTLD_NEXT when the definition has multiple versions. Copyright (C) 2018-2024 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include "testobj.h" static int do_test (void) { /* Resolve to foo@@v3 in nextmod3.so, instead of foo@v1 or foo@v2. */ int (*fp) (int) = dlsym (RTLD_DEFAULT, "foo"); int res = fp (0); printf ("preload (0) = %d, %s\n", res, res == 3 ? "ok" : "wrong"); if (res != 3) return 1; /* Resolve to foo@@v3 in nextmod3.so, instead of foo@v1 or foo@v2. */ fp = dlsym (RTLD_NEXT, "foo"); res = fp (0); printf ("preload (0) = %d, %s\n", res, res == 3 ? "ok" : "wrong"); if (res != 3) return 1; return 0; } #include