1 /* Look up a versioned symbol in a shared object loaded by `dlopen'.
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 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. */
25 /* The arguments to dlvsym_doit. */
31 /* The return values of dlvsym_doit. */
39 struct dlvsym_args *args = (struct dlvsym_args *)a;
41 args->sym = _dl_vsym (args->handle, args->name, args->version, args->who);
45 __dlvsym (void *handle, const char *name, const char *version_str)
47 struct dlvsym_args args;
51 args.who = RETURN_ADDRESS (0);
52 args.version = version_str;
54 return (_dlerror_run (dlvsym_doit, &args) ? NULL : args.sym);
56 weak_alias (__dlvsym, dlvsym)