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1 | /* Copyright (C) 2000-2019 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 | #include <string.h> | |
22 | ||
23 | int | |
24 | main (void) | |
25 | { | |
26 | void *h; | |
27 | const char *s; | |
28 | ||
29 | /* Test that dlerror works initially. */ | |
30 | s = dlerror (); | |
31 | printf ("dlerror() without prior dl*() call returned: %s\n", s); | |
32 | if (s != NULL) | |
33 | return 1; | |
34 | ||
35 | h = dlopen ("errmsg1mod.so", RTLD_NOW); | |
36 | if (h != NULL) | |
37 | { | |
38 | dlclose (h); | |
39 | puts ("errmsg1mod.so could be loaded !?"); | |
40 | exit (1); | |
41 | } | |
42 | ||
43 | s = dlerror (); | |
44 | puts (s); | |
45 | ||
46 | return strstr (s, "errmsg1mod.so") == NULL; | |
47 | } |