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annotate lib/rewinddir.c @ 17325:9d7698fd5b5f

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openpty: fix bug where HAVE_OPENPTY is mistakenly 1 Problem reported by Mats Erik Andersson in <http://lists.gnu.org/archive/html/bug-gnulib/2013-02/msg00051.html>. * m4/pty.m4 (gl_FUNC_OPENPTY): Define HAVE_OPENPTY when the openpty function exists, not merely when we intend to replace it. This corrects the 2013-01-31 patch, which mistakenly defined HAVE_OPENPTY even on hosts that lacked it.
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 08 Feb 2013 08:03:23 -0800
parents e542fd46ad6f
children
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de2ecfd7fc4a New modules 'opendir', 'readdir', 'rewinddir', 'closedir'.
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1 /* Restart reading the entries of a directory from the beginning.
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Eric Blake <eblake@redhat.com>
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2 Copyright (C) 2011-2013 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 of the License, or
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7 (at your option) 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
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15 along 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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19 /* Specification. */
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20 #include <dirent.h>
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22 #include <errno.h>
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24 #include "dirent-private.h"
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25
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26 void
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27 rewinddir (DIR *dirp)
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28 {
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29 /* Like in closedir(). */
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30 if (dirp->current != INVALID_HANDLE_VALUE)
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31 FindClose (dirp->current);
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32
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33 /* Like in opendir(). */
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34 dirp->status = -1;
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35 dirp->current = FindFirstFile (dirp->dir_name_mask, &dirp->entry);
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36 if (dirp->current == INVALID_HANDLE_VALUE)
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37 {
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38 switch (GetLastError ())
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39 {
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40 case ERROR_FILE_NOT_FOUND:
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41 dirp->status = -2;
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42 break;
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43 default:
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44 /* Save the error code for the next readdir() call. */
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45 dirp->status = ENOENT;
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46 break;
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47 }
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48 }
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49 }