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/* Create a pipe.
Copyright (C) 2009-2018 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <unistd.h>
#if defined _WIN32 && ! defined __CYGWIN__
/* Native Windows API. */
/* Get _pipe(). */
# include <io.h>
/* Get _O_BINARY. */
# include <fcntl.h>
int
pipe (int fd[2])
{
/* Mingw changes fd to {-1,-1} on failure, but this violates
http://austingroupbugs.net/view.php?id=467 */
int tmp[2];
int result = _pipe (tmp, 4096, _O_BINARY);
if (!result)
{
fd[0] = tmp[0];
fd[1] = tmp[1];
}
return result;
}
#else
# error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib."
#endif
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