2 * This Cplant(TM) source code is the property of Sandia National
5 * This Cplant(TM) source code is copyrighted by Sandia National
8 * The redistribution of this Cplant(TM) source code is subject to the
9 * terms of the GNU Lesser General Public License
10 * (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html)
12 * Cplant(TM) Copyright 1998-2003 Sandia Corporation.
13 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
14 * license for use of this work by or on behalf of the US Government.
15 * Export of this program may require a license from the United States
20 * This library is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU Lesser General Public
22 * License as published by the Free Software Foundation; either
23 * version 2.1 of the License, or (at your option) any later version.
25 * This library is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
28 * Lesser General Public License for more details.
30 * You should have received a copy of the GNU Lesser General Public
31 * License along with this library; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 * Questions or comments about this library should be sent to:
37 * Sandia National Laboratories, New Mexico
39 * Albuquerque, NM 87185-1110
46 #include <sys/types.h>
47 #include <sys/queue.h>
51 #include "sysio-symbols.h"
54 SYSIO_INTERFACE_NAME(dup2)(int oldfd, int newfd)
57 SYSIO_INTERFACE_DISPLAY_BLOCK;
59 SYSIO_INTERFACE_ENTER;
61 SYSIO_INTERFACE_RETURN(-1, -EBADF);
66 fil = _sysio_fd_find(oldfd);
67 if (!(fil && fil->f_ino))
68 SYSIO_INTERFACE_RETURN(-1, -EBADF);
69 SYSIO_INTERFACE_RETURN(newfd, 0);
72 fd = _sysio_fd_dup2(oldfd, newfd);
73 SYSIO_INTERFACE_RETURN(fd < 0 ? -1 : fd, fd < 0 ? fd : 0);
78 sysio_sym_weak_alias(SYSIO_INTERFACE_NAME(dup2),
79 PREPEND(__, SYSIO_INTERFACE_NAME(dup2)))
83 SYSIO_INTERFACE_NAME(dup)(int oldfd)
86 SYSIO_INTERFACE_DISPLAY_BLOCK;
88 SYSIO_INTERFACE_ENTER;
89 fd = _sysio_fd_dup2(oldfd, -1);
90 SYSIO_INTERFACE_RETURN(fd < 0 ? -1 : fd, fd < 0 ? fd : 0);
95 sysio_sym_weak_alias(SYSIO_INTERFACE_NAME(dup),
96 PREPEND(__, SYSIO_INTERFACE_NAME(dup)))