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-rw-r--r--login/Makefile3
-rw-r--r--login/Versions3
-rw-r--r--login/ptsname_r_chk.c28
3 files changed, 33 insertions, 1 deletions
diff --git a/login/Makefile b/login/Makefile
index 4b057ec927..fa5aa71381 100644
--- a/login/Makefile
+++ b/login/Makefile
@@ -25,7 +25,8 @@ headers := utmp.h bits/utmp.h lastlog.h pty.h
routines := getlogin getlogin_r setlogin \
getutent getutent_r getutid getutline getutid_r getutline_r \
- utmp_file utmpname updwtmp getpt grantpt unlockpt ptsname
+ utmp_file utmpname updwtmp getpt grantpt unlockpt ptsname \
+ ptsname_r_chk
CFLAGS-grantpt.c = -DLIBEXECDIR='"$(libexecdir)"'
diff --git a/login/Versions b/login/Versions
index 0c9e75a7ef..f4df7183d5 100644
--- a/login/Versions
+++ b/login/Versions
@@ -41,6 +41,9 @@ libc {
# p*
posix_openpt;
}
+ GLIBC_2.4 {
+ __ptsname_r_chk;
+ }
}
libutil {
diff --git a/login/ptsname_r_chk.c b/login/ptsname_r_chk.c
new file mode 100644
index 0000000000..7e039acb74
--- /dev/null
+++ b/login/ptsname_r_chk.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 2005-2013 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 <stdlib.h>
+
+
+int
+__ptsname_r_chk (int fd, char *buf, size_t buflen, size_t nreal)
+{
+ if (buflen > nreal)
+ __chk_fail ();
+
+ return __ptsname_r (fd, buf, buflen);
+}