glibc/dlfcn/dlopenold.c
Roland McGrath 16710d5829 * dlfcn/dlopen.c: Use <shlib-compat.h> macros.
* dlfcn/dlopenold.c: Likewise.
	* nss/getXXbyYY_r.c: Likewise.
	* nss/getXXent_r.c: Likewise.
	* hurd/hurdinit.c: Likewise.
	* hurd/compat-20.c: Likewise.
	* libio/oldiofopen.c: Likewise.
	* libio/oldiofclose.c: Likewise.
	* libio/oldiofdopen.c: Likewise.
	* libio/oldfileops.c: Likewise.
	* libio/oldstdfiles.c: Likewise.
	* libio/oldiofsetpos.c: Likewise.
	* libio/oldiofgetpos.c: Likewise.
	* libio/oldiofgetpos64.c: Likewise.
	* libio/oldiofsetpos64.c: Likewise.
	* libio/oldiopopen.c: Likewise.
	* libio/oldpclose.c: Likewise.
	* libio/oldtmpfile.c: Likewise.
	* libio/freopen.c (freopen): Likewise.
	* libio/iofclose.c (_IO_new_fclose): Likewise.
2000-03-27 05:18:47 +00:00

64 lines
1.9 KiB
C

/* Load a shared object at run time.
Copyright (C) 1995-1999, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <dlfcn.h>
#include <stddef.h>
/* This file is for compatibility with glibc 2.0. Compile it only if
versioning is used. */
#include <shlib-compat.h>
#if SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_1)
struct dlopen_args
{
/* The arguments for dlopen_doit. */
const char *file;
int mode;
/* The return value of dlopen_doit. */
void *new;
/* Address of the caller. */
const void *caller;
};
static void
dlopen_doit (void *a)
{
struct dlopen_args *args = (struct dlopen_args *) a;
args->new = _dl_open (args->file ?: "", args->mode, args->caller);
}
void *
__dlopen_nocheck (const char *file, int mode)
{
struct dlopen_args args;
args.file = file;
args.caller = __builtin_return_address (0);
if ((mode & RTLD_BINDING_MASK) == 0)
/* By default assume RTLD_LAZY. */
mode |= RTLD_LAZY;
args.mode = mode;
return _dlerror_run (dlopen_doit, &args) ? NULL : args.new;
}
compat_symbol (libdl, __dlopen_nocheck, dlopen, GLIBC_2_0);
#endif