From 4dc6dcb55db8a74d9cc4acd8dbf51add5f95e4e9 Mon Sep 17 00:00:00 2001
From: Lysander Mealy <lysander.mealy@gmail.com>
Date: Mon, 2 Dec 2024 09:46:05 -0500
Subject: [PATCH] just deprecate the cstr! macro without removing it

Fixes #36
---
 src/modules.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/modules.rs b/src/modules.rs
index 887bd94..24cc5bc 100644
--- a/src/modules.rs
+++ b/src/modules.rs
@@ -17,6 +17,18 @@ bitflags! {
     }
 }
 
+/// Create a NUL-terminated C string from a string literal
+#[macro_export]
+#[deprecated(note = "use a C-string literal instead")]
+macro_rules! cstr {
+    () => {
+        unsafe { core::ffi::CStr::from_bytes_with_nul_unchecked(b"\0") }
+    };
+    ($s:expr) => {
+        unsafe { core::ffi::CStr::from_bytes_with_nul_unchecked(concat!($s, "\0").as_bytes()) }
+    };
+}
+
 /// An internal module that the kernel requests from the bootloader. Only
 /// available with request revision 1 and greater.
 #[repr(C)]