Use cstr-macro crate

examples/console/src/lib.rs

@@ -37,4 +37,4 @@ ruby! {
             throw!("Aaaaahhhhh!!!!!");
         }
     }
-}
+}

src/lib.rs

@@ -1,5 +1,12 @@
 extern crate cslice;
 
+#[allow(unused_imports)]
+#[macro_use]
+extern crate cstr_macro;
+
+#[doc(hidden)]
+pub use cstr_macro::*;
+
 #[doc(hidden)]
 pub extern crate libc;
 

src/macros/codegen.rs

@@ -206,4 +206,4 @@ macro_rules! codegen_extra_impls {
         codegen_allocator!($class);
         codegen_coercions!($class);
     )
-}
+}

src/macros/init.rs

@@ -313,14 +313,6 @@ macro_rules! replace_expr {
     ($_t:tt $sub:expr) => {$sub};
 }
 
-#[doc(hidden)]
-#[macro_export]
-macro_rules! cstr {
-    ($s:expr) => (
-        concat!($s, "\0") as *const str as *const [::std::os::raw::c_char] as *const ::std::os::raw::c_char
-    )
-}
-
 #[macro_export]
 macro_rules! handle_exception {
     { $($body:tt)* } => {