/* vi: set sw=4 ts=4: *//* Copyright (C) 1992, 1997, 1998, 2000 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library 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   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <features.h>#include <unistd.h>#include <sys/stat.h>#include <stdlib.h>#include <string.h>/* Return a malloc'd string containing the current directory name.   If the environment variable `PWD' is set, and its value is correct,   that value is used.  */char *get_current_dir_name (void){	char *pwd;#if defined __UCLIBC_HAS_LFS__	struct stat64 dotstat, pwdstat;#else	struct stat dotstat, pwdstat;#endif	pwd = getenv ("PWD");	if (pwd != NULL#if defined __UCLIBC_HAS_LFS__		&& stat64 (".", &dotstat) == 0		&& stat64 (pwd, &pwdstat) == 0#else		&& stat (".", &dotstat) == 0		&& stat (pwd, &pwdstat) == 0#endif		&& pwdstat.st_dev == dotstat.st_dev		&& pwdstat.st_ino == dotstat.st_ino)		/* The PWD value is correct.  Use it.  */		return strdup (pwd);	return getcwd ((char *) NULL, 0);}