/*
 * 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 libraries and programs; if not, write
 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301 USA
 */
/* $XConsortium: sysconf.c /main/3 1995/11/01 17:20:18 rswiston $ */
/***************************************************************
*                                                              *
*                      AT&T - PROPRIETARY                      *
*                                                              *
*        THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF        *
*                    AT&T BELL LABORATORIES                    *
*         AND IS NOT TO BE DISCLOSED OR USED EXCEPT IN         *
*            ACCORDANCE WITH APPLICABLE AGREEMENTS             *
*                                                              *
*          Copyright (c) 1994 AT&T Bell Laboratories           *
*              Unpublished & Not for Publication               *
*                     All Rights Reserved                      *
*                                                              *
*       The copyright notice above does not evidence any       *
*      actual or intended publication of such source code      *
*                                                              *
*               This software was created by the               *
*           Software Engineering Research Department           *
*                    AT&T Bell Laboratories                    *
*                                                              *
*               For further information contact                *
*                   advsoft@research.att.com                   *
*                 Randy Hackbarth 908-582-5245                 *
*                  Dave Belanger 908-582-7427                  *
*                                                              *
***************************************************************/

/* : : generated by proto : : */

#line 1

#if !defined(__PROTO__)
#if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
#if defined(__cplusplus)
#define __MANGLE__	"C"
#else
#define __MANGLE__
#endif
#define __STDARG__
#define __PROTO__(x)	x
#define __OTORP__(x)
#define __PARAM__(n,o)	n
#if !defined(__STDC__) && !defined(__cplusplus)
#if !defined(c_plusplus)
#define const
#endif
#define signed
#define void		int
#define volatile
#define __V_		char
#else
#define __V_		void
#endif
#else
#define __PROTO__(x)	()
#define __OTORP__(x)	x
#define __PARAM__(n,o)	o
#define __MANGLE__
#define __V_		char
#define const
#define signed
#define void		int
#define volatile
#endif
#if defined(__cplusplus) || defined(c_plusplus)
#define __VARARG__	...
#else
#define __VARARG__
#endif
#if defined(__STDARG__)
#define __VA_START__(p,a)	va_start(p,a)
#else
#define __VA_START__(p,a)	va_start(p)
#endif
#endif

#line 3
#include <ast.h>

#ifdef _lib_sysconf

NoN(sysconf)

#else

#include <errno.h>

#ifndef errno
extern __MANGLE__ int		errno;
#endif

#if _lib_getdtablesize
extern __MANGLE__ int		getdtablesize __PROTO__((void));
#else
#if _lib_getrlimit && _sys_resource
#include <sys/time.h>
#include <sys/resource.h>
extern __MANGLE__ int		getrlimit __PROTO__((int, struct rlimit*));
#endif
#endif

long
sysconf __PARAM__((int op), (op)) __OTORP__(int op;)
#line 29
{
	int	n;

	switch (op)
	{
	case _SC_ARG_MAX:
		return(ARG_MAX);
	case _SC_CHILD_MAX:
		return(CHILD_MAX);
	case _SC_CLK_TCK:
		return(_AST_CLK_TCK);
	case _SC_NGROUPS_MAX:
		if ((n = getgroups(0, (gid_t*)&n)) <= 0) n = NGROUPS_MAX;
		return(n);
	case _SC_OPEN_MAX:
#if _lib_getdtablesize
		return(getdtablesize());
#else
#ifdef RLIMIT_NOFILE
		{
			struct rlimit	rlim;

			return(getrlimit(RLIMIT_NOFILE, &rlim) ? OPEN_MAX_CEIL : rlim.rlim_cur);
		}
#else
		return(OPEN_MAX_CEIL);
#endif
#endif
	case _SC_JOB_CONTROL:
#ifdef _POSIX_JOB_CONTROL
		return(_POSIX_JOB_CONTROL);
#else
		return(-1);
#endif
	case _SC_SAVED_IDS:
#ifdef _POSIX_SAVED_IDS
		return(_POSIX_SAVED_IDS);
#else
		return(-1);
#endif
	case _SC_TZNAME_MAX:
		return(3);
	case _SC_VERSION:
#ifdef _POSIX_VERSION
		return(_POSIX_VERSION);
#else
		return(-1);
#endif
	}
	errno = EINVAL;
	return(-1);
}

#endif