cdesktopenv/cde/lib/DtSvc/svc_init.c

47 lines
1.4 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: svc_init.c /main/3 1996/07/09 14:47:28 drk $ */
#include <sys/uswitch.h>
#include <errno.h>
/*
* Activate System V Null pointer treatment. This allows dereferences
* of NULL pointers in the CDE executables to work.
*
* This procedure is obsolete. Dereferencing a NULL pointer is
* an error, and such code should be repaired.
*/
svc_init()
{
int usw_val;
usw_val=uswitch(USC_GET,0);
if ((uswitch(USC_SET, usw_val | USW_NULLP)) == 01) {
perror("svc_init");
return(-1);
}
return(0);
}