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Last change
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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| 1 | /* Create a pipe.
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| 2 | Copyright (C) 2009-2012 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License along
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| 15 | with this program; if not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #include <config.h>
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| 18 |
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| 19 | /* Specification. */
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| 20 | #include <unistd.h>
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| 21 |
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| 22 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
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| 23 | /* Native Windows API. */
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| 24 |
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| 25 | /* Get _pipe(). */
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| 26 | # include <io.h>
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| 27 |
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| 28 | /* Get _O_BINARY. */
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| 29 | # include <fcntl.h>
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| 30 |
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| 31 | int
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| 32 | pipe (int fd[2])
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| 33 | {
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| 34 | /* Mingw changes fd to {-1,-1} on failure, but this violates
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| 35 | http://austingroupbugs.net/view.php?id=467 */
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| 36 | int tmp[2];
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| 37 | int result = _pipe (tmp, 4096, _O_BINARY);
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| 38 | if (!result)
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| 39 | {
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| 40 | fd[0] = tmp[0];
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| 41 | fd[1] = tmp[1];
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| 42 | }
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| 43 | return result;
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| 44 | }
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| 45 |
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| 46 | #else
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| 47 |
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| 48 | # error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib."
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| 49 |
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| 50 | #endif
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