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 43