[msan] Intercept ctermid, ctermid_r.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@255566 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/test/msan/ctermid.cc b/test/msan/ctermid.cc
new file mode 100644
index 000000000..a2818e630
--- /dev/null
+++ b/test/msan/ctermid.cc
@@ -0,0 +1,13 @@
+// RUN: %clangxx_msan -std=c++11 -O0 %s -o %t && %run %t
+
+#include <sanitizer/msan_interface.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(void) {
+  unsigned char s[L_ctermid + 1];
+  char *res = ctermid((char *)s);
+  if (res)
+    printf("%zd\n", strlen(res));
+  return 0;
+}