.
[glibc/history.git] / debug / getwd_chk.c
blob898af28d3ffd02afb69118d37b6ee3c474f4837f
1 /* Copyright (C) 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <errno.h>
20 #include <unistd.h>
21 #include <sys/param.h>
24 char *
25 __getwd_chk (char *buf, size_t buflen)
27 char *res = __getcwd (buf, buflen);
28 if (res == NULL && errno == ERANGE)
29 __chk_fail ();
30 return res;
33 link_warning (getwd,
34 "the `getwd' function is dangerous and should not be used.")