NetBSD/lib/libc/dlfcn/dlfcn_stubs.c

/* $NetBSD: dlfcn_stubs.c,v 1.3 2000/06/14 17:25:00 cgd Exp $ */

/*
 * Copyright (c) 1995 Christopher G. Demetriou
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *          This product includes software developed for the
 *          NetBSD Project.  See http://www.netbsd.org/ for
 *          information about NetBSD.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
 */

/*
 * NOT A STANDALONE FILE!
 */

void *
dlopen(name, mode)
	const char *name;
	int mode;
{

	if (__mainprog_obj == NULL)
		return NULL;
	return (__mainprog_obj->dlopen)(name, mode);
}

int
dlclose(fd)
	void *fd;
{

	if (__mainprog_obj == NULL)
		return -1;
	return (__mainprog_obj->dlclose)(fd);
}

void *
dlsym(fd, name)
	void *fd;
	const char *name;
{

	if (__mainprog_obj == NULL)
		return NULL;
	return (__mainprog_obj->dlsym)(fd, name);
}

#if 0 /* not supported for ELF shlibs, apparently */
int
dlctl(fd, cmd, arg)
	void *fd, *arg;
	int cmd;
{

	if (__mainprog_obj == NULL)
		return -1;
	return (__mainprog_obj->dlctl)(fd, cmd, arg);
}
#endif

__aconst char *
dlerror()
{

	if (__mainprog_obj == NULL)
		return ("Dynamic linker interface not available");
	return (__mainprog_obj->dlerror)();
}

int
dladdr(const void *addr, Dl_info *dli)
{

	if (__mainprog_obj == NULL)
		return -1;
	return (__mainprog_obj->dladdr)(addr, dli);
}