NetBSD/lib/libc/compat-43/setregid.c

66 lines
2.5 KiB
C

/*
* Copyright (c) 1982, 1986, 1989, 1990, 1991 Regents of the University
* of California. 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 by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: @(#)kern_prot.c 7.21 (Berkeley) 5/3/91
* $Id: setregid.c,v 1.4 1994/04/24 01:06:43 mycroft Exp $
*/
#include <sys/types.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/uio.h>
extern int __setregid __P((gid_t, gid_t));
int
setregid(rgid, egid)
int rgid, egid;
{
static int warned;
static char w[] =
": warning: this program uses setregid(), which is deprecated.\r\n";
if (!warned) {
struct iovec iov[2];
extern char *__progname; /* in crt0 */
iov[0].iov_base = __progname;
iov[0].iov_len = strlen(__progname);
iov[1].iov_base = w;
iov[1].iov_len = sizeof(w) - 1;
(void) writev(STDERR_FILENO, iov, 2);
warned = 1;
}
return (__setregid(rgid, egid));
}