sysdeps/unix/sysv/linux/getdirentries.c

   1 /* Copyright (C) 1993, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <dirent.h>
  20 #include <unistd.h>
  21
  22 #ifndef GETDIRENTRIES
  23 # define GETDIRENTRIES getdirentries
  24 # define __GETDENTS __getdents
  25 #else
  26 # define off_t off64_t
  27 # define __lseek __lseek64
  28 #endif
  29
  30 ssize_t
  31 GETDIRENTRIES (int fd, char *buf, size_t nbytes, off_t *basep)
  32 {
  33   off_t base = __lseek (fd, (off_t) 0, SEEK_CUR);
  34   ssize_t result;
  35
  36   result = __GETDENTS (fd, buf, nbytes);
  37
  38   if (result != -1)
  39     *basep = base;
  40
  41   return result;
  42 }