Bump msrv to 1.85.0 and migrate to edition 2024

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
 
         include:
           # MSRV
-          - rust: 1.82.0
+          - rust: 1.85.0
             TARGET: x86_64-unknown-linux-gnu
 
           # Test nightly but don't fail
@@ -109,7 +109,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.82.0
+          toolchain: 1.85.0
           components: clippy
 
       - uses: actions-rs/clippy-check@v1

CHANGELOG.md

@@ -10,7 +10,7 @@ Versioning](https://semver.org/spec/v2.0.0.html).
 
 ### Changed
 
-- MSRV is now 1.82.0.
+- MSRV is now 1.85.0.
 
 ## [v0.6.0] - 2023-09-11
 

Cargo.toml

@@ -9,7 +9,7 @@ readme = "README.md"
 categories = ["embedded", "hardware-support", "os", "os::unix-apis"]
 keywords = ["linux", "gpio", "gpiochip", "embedded"]
 license = "MIT OR Apache-2.0"
-edition = "2018"
+edition = "2024"
 
 [features]
 default = []

README.md

@@ -206,7 +206,7 @@ to be considered reliable.
 
 ## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.82.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.85.0 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 ## License

src/lib.rs

@@ -91,7 +91,7 @@ extern crate nix;
 
 use std::cmp::min;
 use std::ffi::CStr;
-use std::fs::{read_dir, File, ReadDir};
+use std::fs::{File, ReadDir, read_dir};
 use std::io::Read;
 use std::mem;
 use std::ops::Index;
@@ -123,9 +123,11 @@ pub use crate::async_tokio::AsyncLineEventHandle;
 pub use errors::*;
 
 unsafe fn rstr_lcpy(dst: *mut libc::c_char, src: &str, length: usize) {
-    let copylen = min(src.len() + 1, length);
-    ptr::copy_nonoverlapping(src.as_bytes().as_ptr().cast(), dst, copylen - 1);
-    slice::from_raw_parts_mut(dst, length)[copylen - 1] = 0;
+    unsafe {
+        let copylen = min(src.len() + 1, length);
+        ptr::copy_nonoverlapping(src.as_bytes().as_ptr().cast(), dst, copylen - 1);
+        slice::from_raw_parts_mut(dst, length)[copylen - 1] = 0;
+    }
 }
 
 #[derive(Debug)]
@@ -396,10 +398,12 @@ pub enum LineDirection {
 }
 
 unsafe fn cstrbuf_to_string(buf: &[libc::c_char]) -> Option<String> {
-    if buf[0] == 0 {
-        None
-    } else {
-        Some(CStr::from_ptr(buf.as_ptr()).to_string_lossy().into_owned())
+    unsafe {
+        if buf[0] == 0 {
+            None
+        } else {
+            Some(CStr::from_ptr(buf.as_ptr()).to_string_lossy().into_owned())
+        }
     }
 }