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[glibc.git] / elf / dlopen.c
blobd616e489f2ba444cccfb4bc756ef1d1f81383dd2
1 /* Load a shared object at run time.
2 Copyright (C) 1995, 1996, 1997, 1998 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <dlfcn.h>
21 #include <stddef.h>
22 #include <elf/ldsodefs.h>
24 struct dlopen_args
26 /* The arguments for dlopen_doit. */
27 const char *file;
28 int mode;
29 /* The return value of dlopen_doit. */
30 struct link_map *new;
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);
43 void *
44 dlopen (const char *file, int mode)
46 struct dlopen_args args;
47 args.file = file;
48 args.mode = mode;
50 return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;