kc3-lang/gnulib/lib/rewinddir.c

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• Hash : 994c21f3
  Author :
  Date : 2011-09-13T01:37:35
  

  New modules 'opendir', 'readdir', 'rewinddir', 'closedir'.
  
  * lib/dirent.in.h (struct dirent): New type.
  (DT_UNKNOWN, DT_FIFO, DT_CHR, DT_DIR, DT_BLK, DT_REG, DT_LNK, DT_SOCK,
  DT_WHT): New macros.
  (DIR): New type.
  (opendir, closedir): Declare only if the module 'opendir' is enabled.
  (readdir, rewinddir): New declarations.
  * lib/dirent-private.h: New file.
  * lib/opendir.c: New file.
  * lib/readdir.c: New file.
  * lib/rewinddir.c: New file.
  * lib/closedir.c: New file.
  * lib/fchdir.c (rpl_closedir, rpl_opendir): Remove functions.
  * m4/opendir.m4: New file.
  * m4/readdir.m4: New file.
  * m4/rewinddir.m4: New file.
  * m4/closedir.m4: New file.
  * m4/fchdir.m4 (gl_FUNC_FCHDIR): Don't set REPLACE_OPENDIR,
  REPLACE_CLOSEDIR here.
  * m4/dirent_h.m4 (gl_DIRENT_H): Also check whether closedir, opendir,
  readdir, rewinddir are declared.
  (gl_DIRENT_H_DEFAULTS): Initialize GNULIB_OPENDIR, GNULIB_READDIR,
  GNULIB_REWINDDIR, GNULIB_CLOSEDIR, HAVE_OPENDIR, HAVE_READDIR,
  HAVE_REWINDDIR, HAVE_CLOSEDIR.
  * modules/dirent (Makefile.am): Substitute GNULIB_OPENDIR,
  GNULIB_READDIR, GNULIB_REWINDDIR, GNULIB_CLOSEDIR, HAVE_OPENDIR,
  HAVE_READDIR, HAVE_REWINDDIR, HAVE_CLOSEDIR.
  * modules/opendir: New file.
  * modules/readdir: New file.
  * modules/rewinddir: New file.
  * modules/closedir: New file.
  * doc/posix-functions/opendir.texi: Mention the 'opendir' module.
  * doc/posix-functions/readdir.texi: Mention the 'readdir' module.
  * doc/posix-functions/rewinddir.texi: Mention the 'rewinddir' module.
  * doc/posix-functions/closedir.texi: Mention the 'closedir' module.
  * NEWS: Mention the 'fchdir' change.
  

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• lib/rewinddir.c

• /* Restart reading the entries of a directory from the beginning.
     Copyright (C) 2011 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 of the License, 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 <http://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  /* Specification.  */
  #include <dirent.h>
  
  #include <errno.h>
  
  #include "dirent-private.h"
  
  void
  rewinddir (DIR *dirp)
  {
    /* Like in closedir().  */
    if (dirp->current != INVALID_HANDLE_VALUE)
      FindClose (dirp->current);
  
    /* Like in opendir().  */
    dirp->status = -1;
    dirp->current = FindFirstFile (dirp->dir_name_mask, &dirp->entry);
    if (dirp->current == INVALID_HANDLE_VALUE)
      {
        switch (GetLastError ())
          {
          case ERROR_FILE_NOT_FOUND:
            dirp->status = -2;
            break;
          default:
            /* Save the error code for the next readdir() call.  */
            dirp->status = ENOENT;
            break;
          }
      }
  }
  

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