164 lines
4.4 KiB
C
164 lines
4.4 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 libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/* $XConsortium: fcntl.c /main/3 1995/11/01 17:11:43 rswiston $ */
|
|
/***************************************************************
|
|
* *
|
|
* AT&T - PROPRIETARY *
|
|
* *
|
|
* THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
|
|
* AT&T CORP. *
|
|
* *
|
|
* Copyright (c) 1995 AT&T Corp. *
|
|
* All Rights Reserved *
|
|
* *
|
|
* This software is licensed by AT&T Corp. *
|
|
* under the terms and conditions of the license in *
|
|
* http://www.research.att.com/orgs/ssr/book/reuse *
|
|
* *
|
|
* This software was created by the *
|
|
* Software Engineering Research Department *
|
|
* AT&T Bell Laboratories *
|
|
* *
|
|
* For further information contact *
|
|
* gsf@research.att.com *
|
|
* *
|
|
***************************************************************/
|
|
|
|
/* : : generated by proto : : */
|
|
|
|
#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
|
|
#include <ast.h>
|
|
|
|
#ifndef fcntl
|
|
|
|
NoN(fcntl)
|
|
|
|
#else
|
|
|
|
#include <ls.h>
|
|
#include <ast_tty.h>
|
|
#include <error.h>
|
|
|
|
#if F_SETFD >= _ast_F_LOCAL
|
|
#if _sys_filio
|
|
#include <sys/filio.h>
|
|
#endif
|
|
#endif
|
|
|
|
#if _lib_fcntl
|
|
#undef fcntl
|
|
extern __MANGLE__ int fcntl __PROTO__((int, int, ...));
|
|
#endif
|
|
|
|
int
|
|
_ast_fcntl __PARAM__((int fd, int op, ...), (va_alist)) __OTORP__(va_dcl)
|
|
{ __OTORP__(int fd; int op; )
|
|
int n;
|
|
int save_errno;
|
|
struct stat st;
|
|
va_list ap;
|
|
|
|
save_errno = errno;
|
|
__VA_START__(ap, op); __OTORP__(fd = va_arg(ap, int );op = va_arg(ap, int );)
|
|
if (op >= _ast_F_LOCAL) switch (op)
|
|
{
|
|
#if F_DUPFD >= _ast_F_LOCAL
|
|
case F_DUPFD:
|
|
n = va_arg(ap, int);
|
|
op = dup2(fd, n);
|
|
break;
|
|
#endif
|
|
#if F_GETFL >= _ast_F_LOCAL
|
|
case F_GETFL:
|
|
op = fstat(fd, &st);
|
|
break;
|
|
#endif
|
|
#if F_SETFD >= _ast_F_LOCAL && defined(FIOCLEX)
|
|
case F_SETFD:
|
|
n = va_arg(ap, int);
|
|
op = ioctl(fd, n == FD_CLOEXEC ? FIOCLEX : FIONCLEX, 0);
|
|
break;
|
|
#endif
|
|
default:
|
|
errno = EINVAL;
|
|
op = -1;
|
|
break;
|
|
}
|
|
else
|
|
#if _lib_fcntl
|
|
op = fcntl(fd, op, va_arg(ap, int));
|
|
#else
|
|
{
|
|
errno = EINVAL;
|
|
op = -1;
|
|
}
|
|
#endif
|
|
va_end(ap);
|
|
return(op);
|
|
}
|
|
|
|
#endif
|