Add checking versions of poll and ppoll

1 files changed, 30 insertions, 0 deletions

diff --git a/debug/ppoll_chk.c b/debug/ppoll_chk.c
new file mode 100644
index 0000000000..63f922321c
--- /dev/null
+++ b/debug/ppoll_chk.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2012 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/poll.h>
+
+
+int
+__ppoll_chk (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout,
+	     const __sigset_t *ss, __SIZE_TYPE__ fdslen)
+{
+  if (fdslen / sizeof (*fds) < nfds)
+    __chk_fail ();
+
+  return ppoll (fds, nfds, timeout, ss);
+}