1 files changed, 9 insertions, 0 deletions
diff --git a/tools/clang-tidy/test/clang-analyzer-unix.cstring.BadSizeArg.cpp b/tools/clang-tidy/test/clang-analyzer-unix.cstring.BadSizeArg.cpp
new file mode 100644
index 0000000000..124737c3f4
--- /dev/null
+++ b/tools/clang-tidy/test/clang-analyzer-unix.cstring.BadSizeArg.cpp
@@ -0,0 +1,9 @@
+// https://clang-analyzer.llvm.org/available_checks.html
+
+#include "structures.h"
+
+void test()
+{
+  char dest[3];
+  strncat(dest, "***", sizeof(dest)); // warning : potential buffer overflow
+}