diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/dup2.c')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/generic/dup2.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/dup2.c b/ports/sysdeps/unix/sysv/linux/generic/dup2.c deleted file mode 100644 index fb8e01a954..0000000000 --- a/ports/sysdeps/unix/sysv/linux/generic/dup2.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Copyright (C) 2011-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it 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 the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <fcntl.h> -#include <limits.h> -#include <unistd.h> - -/* Duplicate FD to FD2, closing the old FD2 and making FD2 be - open the same file as FD is. Return FD2 or -1. */ -int -__dup2 (int fd, int fd2) -{ - /* For the degenerate case, check if the fd is valid (by trying to - get the file status flags) and return it, or else return EBADF. */ - if (fd == fd2) - return __libc_fcntl (fd, F_GETFL, 0) < 0 ? -1 : fd; - - return INLINE_SYSCALL (dup3, 3, fd, fd2, 0); -} -libc_hidden_def (__dup2) -weak_alias (__dup2, dup2) |