external/gpl2/xcvs/dist/lib/getcwd.h

   1 /* Get the working directory, compatibly with the GNU C Library.
   2
   3    Copyright (C) 2004-2005 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2, or (at your option)
   8    any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 /* Written by Paul Eggert.  */
  20
  21 /* Include the headers that might declare getcwd so that they will not
  22    cause confusion if included after this file.  */
  23
  24 #include <stdlib.h>
  25 #if HAVE_UNISTD_H
  26 # include <unistd.h>
  27 #endif
  28
  29 /* If necessary, systematically rename identifiers so that they do not
  30    collide with the system function.  Renaming avoids problems with
  31    some compilers and linkers.  */
  32
  33 #ifdef __GETCWD_PREFIX
  34 # undef getcwd
  35 # define __GETCWD_CONCAT(x, y) x ## y
  36 # define __GETCWD_XCONCAT(x, y) __GETCWD_CONCAT (x, y)
  37 # define __GETCWD_ID(y) __GETCWD_XCONCAT (__GETCWD_PREFIX, y)
  38 # define getcwd __GETCWD_ID (getcwd)
  39 /* See the POSIX:2001 specification
  40    <http://www.opengroup.org/susv3xsh/getcwd.html>.  */
  41 char *getcwd (char *, size_t);
  42 #endif