Update copyright dates with scripts/update-copyrights
[glibc.git] / debug / getwd_chk.c
blob850aa1aa1441ce1a57c90e506ccb6afece8239b0
1 /* Copyright (C) 2005-2023 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, see
16 <https://www.gnu.org/licenses/>. */
18 #include <errno.h>
19 #include <unistd.h>
20 #include <sys/param.h>
23 char *
24 __getwd_chk (char *buf, size_t buflen)
26 char *res = __getcwd (buf, buflen);
27 if (res == NULL && errno == ERANGE)
28 __chk_fail ();
29 return res;
32 link_warning (getwd,
33 "the `getwd' function is dangerous and should not be used.")