Add some NULL-pointers checks

See:
- https://www.imperialviolet.org/2016/06/26/nonnull.html
- https://davidben.net/2024/01/15/empty-slices.html

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/test_memmove_null_src.c b/tests/test_memmove_null_src.c
new file mode 100644
index 0000000..e03b97a
--- /dev/null
+++ b/tests/test_memmove_null_src.c
@@ -0,0 +1,16 @@
+#include "common.h"
+
+#include <string.h>
+
+int main(int argc, char** argv) {
+#ifndef __GNUC__
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  memmove(NULL, buffer, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+#endif
+  return ret;
+}