| /* Support functionality for using dlopen/dlclose/dlsym. |
| Copyright (C) 2017-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stddef.h> |
| #include <support/check.h> |
| #include <support/xdlfcn.h> |
| |
| void * |
| xdlopen (const char *filename, int flags) |
| { |
| void *dso = dlopen (filename, flags); |
| |
| if (dso == NULL) |
| FAIL_EXIT1 ("error: dlopen: %s\n", dlerror ()); |
| |
| /* Clear any errors. */ |
| dlerror (); |
| |
| return dso; |
| } |
| |
| void * |
| xdlsym (void *handle, const char *symbol) |
| { |
| void *sym = dlsym (handle, symbol); |
| |
| if (sym == NULL) |
| FAIL_EXIT1 ("error: dlsym: %s\n", dlerror ()); |
| |
| /* Clear any errors. */ |
| dlerror (); |
| |
| return sym; |
| } |
| |
| void |
| xdlclose (void *handle) |
| { |
| if (dlclose (handle) != 0) |
| FAIL_EXIT1 ("error: dlclose: %s\n", dlerror ()); |
| |
| /* Clear any errors. */ |
| dlerror (); |
| } |