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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 | /* dirfd.c -- return the file descriptor associated with an open DIR*
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| 2 |
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| 3 | Copyright (C) 2001, 2006, 2008-2012 Free Software Foundation, Inc.
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| 4 |
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| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 17 |
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| 18 | /* Written by Jim Meyering. */
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| 19 |
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| 20 | #include <config.h>
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| 21 |
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| 22 | #include <dirent.h>
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| 23 | #include <errno.h>
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| 24 |
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| 25 | int
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| 26 | dirfd (DIR *dir_p)
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| 27 | {
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| 28 | int fd = DIR_TO_FD (dir_p);
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| 29 | if (fd == -1)
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| 30 | errno = ENOTSUP;
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| 31 | return fd;
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| 32 | }
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