From 127df3a5936479c254feb916ed97980c0a4f8931 Mon Sep 17 00:00:00 2001
From: Kamil Rytarowski <n54@gmx.com>
Date: Wed, 3 Jan 2018 22:28:39 +0000
Subject: Add MSan interceptor for fstat(2)

Summary:
Add new MSan interceptor that corrects NetBSD's
specific handling of fstat(2).

NetBSD renames the call to __fstat50.

Add new test: test/msan/fstat.cc

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, eugenis, vitalybuka

Reviewed By: vitalybuka

Subscribers: llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D41637

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321765 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/msan/fstat.cc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 test/msan/fstat.cc

(limited to 'test/msan')

diff --git a/test/msan/fstat.cc b/test/msan/fstat.cc
new file mode 100644
index 000000000..83f97054c
--- /dev/null
+++ b/test/msan/fstat.cc
@@ -0,0 +1,15 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %run %t
+
+#include <sys/stat.h>
+#include <stdlib.h>
+
+int main(void) {
+  struct stat st;
+  if (fstat(0, &st))
+    exit(1);
+
+  if (S_ISBLK(st.st_mode))
+    exit(0);
+
+  return 0;
+}
-- 
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