Add a test that the const extern fn macro works

By default, any functions defined in this macro (such as `CMSG_SPACE`) should be `const`.
tgross35 · Nov 25, 2024 · 0304ed5 · 0304ed5
1 parent e0c4e5b
commit 0304ed5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tests/const_fn.rs b/tests/const_fn.rs
@@ -0,0 +1,3 @@
+#[cfg(target_os = "linux")]
+const _FOO: libc::c_uint = unsafe { libc::CMSG_SPACE(1) };
+//^ if CMSG_SPACE is not const, this will fail to compile