fix(key): replace c_str macro with `c""` literal

According to the MSRV in Cargo.toml, we can use this now.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 0 insertions, 25 deletions

diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index 7f466f92..fd15bb38 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -25,28 +25,3 @@ enum Subcommands {
     #[command(visible_aliases = ["subvol"])]
     Subvolume(subvolume::Cli),
 }
-
-// FIXME: Can be removed after bumping MSRV >= 1.77 in favor of `c""` literals
-#[macro_export]
-macro_rules! c_str {
-    ($lit:expr) => {
-        ::std::ffi::CStr::from_bytes_with_nul(concat!($lit, "\0").as_bytes())
-            .unwrap()
-            .as_ptr()
-    };
-}
-
-#[cfg(test)]
-mod tests {
-    use std::ffi::CStr;
-
-    #[test]
-    fn check_cstr_macro() {
-        let literal = c_str!("hello");
-
-        assert_eq!(
-            literal,
-            CStr::from_bytes_with_nul(b"hello\0").unwrap().as_ptr()
-        );
-    }
-}