From 36b6ab70f022cef3b316ce37cb81c7487311167c Mon Sep 17 00:00:00 2001
From: Stephen D <webmaster@scd31.com>
Date: Sat, 22 Feb 2025 14:26:55 -0500
Subject: [PATCH] clippy fixes
---
build.rs | 2 +-
src/lib.rs | 4 +++-
src/main.rs | 2 +-
3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/build.rs b/build.rs
index e427bf4..34817de 100644
--- a/build.rs
+++ b/build.rs
@@ -39,5 +39,5 @@ fn handle_image(name: &str) {
let out_dir = env::var("OUT_DIR").unwrap();
let mut f = File::create(Path::new(&out_dir).join(format!("{name}.bin"))).unwrap();
- f.write_all(&out.as_raw_slice()).unwrap();
+ f.write_all(out.as_raw_slice()).unwrap();
}
diff --git a/src/lib.rs b/src/lib.rs
index e72d888..9a785b9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,8 +3,10 @@ use bitvec::{order::Msb0, view::BitView};
const WIDTH: i32 = 96;
const HEIGHT: i32 = 38;
+/// # Safety
+/// `ptr` must point to a 456-byte chunk of memory
#[no_mangle]
-pub extern "C" fn next_frame(frame: u16, ptr: *mut u8) -> u8 {
+pub unsafe extern "C" fn next_frame(frame: u16, ptr: *mut u8) -> u8 {
let out = unsafe { std::slice::from_raw_parts_mut(ptr, 456) };
out.fill(0);
let out = out.view_bits_mut::<Msb0>();
diff --git a/src/main.rs b/src/main.rs
index aaaac7d..e050456 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,7 +24,7 @@ fn main() {
thread::sleep(target - now);
}
- if next_frame(i, frame.as_mut_ptr()) == 1 {
+ if unsafe { next_frame(i, frame.as_mut_ptr()) } == 1 {
break;
}
--
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