Update.
[glibc.git] / dlfcn / dlopen.c
blobf0e11dd9749f36e69341135507b3ba40cf7f6e36
1 /* Load a shared object at run time.
2 Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <dlfcn.h>
21 #include <stddef.h>
23 struct dlopen_args
25 /* The arguments for dlopen_doit. */
26 const char *file;
27 int mode;
28 /* The return value of dlopen_doit. */
29 void *new;
30 /* Address of the caller. */
31 const void *caller;
34 static void
35 dlopen_doit (void *a)
37 struct dlopen_args *args = (struct dlopen_args *) a;
39 args->new = _dl_open (args->file ?: "", args->mode | __RTLD_DLOPEN,
40 args->caller);
44 extern void *__dlopen_check (const char *file, int mode);
45 void *
46 __dlopen_check (const char *file, int mode)
48 struct dlopen_args args;
49 args.file = file;
50 args.mode = mode;
51 args.caller = RETURN_ADDRESS (0);
53 return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
55 #include <shlib-compat.h>
56 versioned_symbol (libdl, __dlopen_check, dlopen, GLIBC_2_1);