mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* Obsolete function to get current working directory.
|
|
Copyright (C) 1991, 1992, 1996, 1997, 1998 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
|
|
char *
|
|
getwd (buf)
|
|
char *buf;
|
|
{
|
|
#ifndef PATH_MAX
|
|
#define PATH_MAX 1024
|
|
#endif
|
|
char tmpbuf[PATH_MAX];
|
|
|
|
if (buf == NULL)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return NULL;
|
|
}
|
|
|
|
if (__getcwd (tmpbuf, PATH_MAX) == NULL)
|
|
{
|
|
/* We use 1024 here since it should really be enough and because
|
|
this is a safe value. */
|
|
__strerror_r (errno, buf, 1024);
|
|
return NULL;
|
|
}
|
|
|
|
/* This is completely unsafe. Nobody can say how big the user
|
|
provided buffer is. Perhaps the application and the libc
|
|
disagree about the value of PATH_MAX. */
|
|
return strcpy (buf, tmpbuf);
|
|
}
|
|
|
|
link_warning (getwd,
|
|
"the `getwd' function is dangerous and should not be used.")
|