[sanitizer] Add interceptors for wcsxfrm, wcsxfrm_l

Patch by Oliver Chang

Reviewers: vitalybuka

Reviewed By: vitalybuka

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D44133

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@326852 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 0 deletions

diff --git a/test/sanitizer_common/TestCases/Posix/wcsxfrm.c b/test/sanitizer_common/TestCases/Posix/wcsxfrm.c
new file mode 100644
index 000000000..10c6aa224
--- /dev/null
+++ b/test/sanitizer_common/TestCases/Posix/wcsxfrm.c
@@ -0,0 +1,19 @@
+// RUN: %clang -O0 %s -o %t && %run %t
+
+#include <assert.h>
+#include <locale.h>
+#include <wchar.h>
+
+int main(int argc, char **argv) {
+  wchar_t q[10];
+  size_t n = wcsxfrm(q, L"abcdef", sizeof(q) / sizeof(wchar_t));
+  assert(n < sizeof(q));
+
+  wchar_t q2[10];
+  locale_t loc = newlocale(LC_ALL_MASK, "", (locale_t)0);
+  n = wcsxfrm_l(q2, L"qwerty", sizeof(q) / sizeof(wchar_t), loc);
+  assert(n < sizeof(q2));
+
+  freelocale(loc);
+  return 0;
+}