glibc/io/getdirname.c
Ulrich Drepper 8edf6e0d7e Update.
* inet/rcmd.c: Use *stat64 instead of *stat internally.
	* inet/ruserpass.c: Likewise.
	* intl/loadmsgcat.c: Likewise.
	* io/getdirname.c: Likewise.
	* locale/loadlocale.c: Likewise.
	* misc/getusershell.c: Likewise.
	* stdlib/canonicalize.c: Likewise.
	* sysdeps/posix/euidaccess.c: Likewise.
	* sysdeps/posix/isfdtype.c: Likewise.
	* sysdeps/posix/posix_fallocate.c: Likewise.
	* sysdeps/posix/tempname.c: Likewise.
	* sysdeps/unix/grantpt.c: Likewise.
	* sysdeps/unix/opendir.c: Likewise.
	* sysdeps/unix/sysv/linux/fstatvfs.c: Likewise.
	* sysdeps/unix/sysv/linux/internal_statvfs.c: Likewise.
	* sysdeps/unix/sysv/linux/ptsname.c: Likewise.
	* sysdeps/unix/sysv/linux/statvfs.c: Likewise.
	* sysdeps/unix/sysv/linux/ttyname.c: Likewise.
	* sysdeps/unix/sysv/linux/ttyname_r.c: Likewise.
	* sysvipc/ftok.c: Likewise.
	* time/getdate.c: Likewise.

	* time/getdate.c: Add extra access test.

2000-08-31  Ulrich Drepper  <drepper@redhat.com>
2000-09-01 02:26:05 +00:00

45 lines
1.5 KiB
C

/* 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <unistd.h>
#include <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;
struct stat64 dotstat, pwdstat;
pwd = getenv ("PWD");
if (pwd != NULL
&& stat64 (".", &dotstat) == 0
&& stat64 (pwd, &pwdstat) == 0
&& 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);
}