Add clippy Workflow

.github/workflows/ci.yml

@@ -8,6 +8,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUST_VERSION: 1.78.0
 
 permissions:
   contents: read
@@ -30,7 +31,7 @@ jobs:
             static.rust-lang.org:443
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - run: |
-          curl https://sh.rustup.rs -sSf | sh -s -- -y
+          curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=${{ env.RUST_VERSION }} -y
           export PATH="$HOME/.cargo/bin:$PATH"
           rustup default stable
           rustup component add rustfmt

.github/workflows/rust-clippy.yml

@@ -0,0 +1,50 @@
+name: rust-clippy
+
+on:
+  push:
+    branches: 
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron: '40 12 * * 6'
+
+env:
+  RUST_VERSION: 1.78.0
+
+jobs:
+  rust-clippy:
+    name: Run rust-clippy
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+      actions: read
+    steps:
+      - uses: step-security/harden-runner@17d0e2bd7d51742c71671bd19fa12bdc9d40a3d6
+        with:
+          egress-policy: audit
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
+      - name: Install Rust toolchain
+        run: |
+          curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=${{ env.RUST_VERSION }} -y
+          export PATH="$HOME/.cargo/bin:$PATH"
+          rustup default stable
+          rustup component add clippy
+
+      - name: Install required cargo
+        run: cargo install clippy-sarif sarif-fmt
+
+      - name: Run rust-clippy
+        run:
+          cargo clippy
+          --all-features
+          --message-format=json | clippy-sarif | tee rust-clippy-results.sarif | sarif-fmt
+        continue-on-error: true
+
+      - name: Upload analysis results to GitHub
+        uses: github/codeql-action/upload-sarif@8f1a6fed33af5212fab8a999d004627ae8901d1b
+        with:
+          sarif_file: rust-clippy-results.sarif
+          wait-for-processing: true

src/main.rs

@@ -1,4 +1,5 @@
 use std::env;
+use std::fmt::Write;
 use std::fs::File;
 use std::io::{Read, Seek, SeekFrom};
 use std::process;
@@ -30,10 +31,10 @@ fn main() {
     }
 
     let magic = &header[..4];
-    let magic_string = magic
-        .iter()
-        .map(|b| format!("{:02X}", b))
-        .collect::<String>();
+    let magic_string = magic.iter().fold(String::new(), |mut result, b| {
+        let _ = write!(result, "{b:02X}");
+        result
+    });
 
     // Check if the file is an ELF file
     if magic != ELF_MAGIC {
@@ -311,9 +312,9 @@ fn get_segment_type(segment_type: u32) -> &'static str {
 fn get_segment_flags(segment_flags: u32) -> String {
     let mut flags = String::new();
     match segment_flags {
-        0x01 => flags.push_str("R"),
-        0x02 => flags.push_str("W"),
-        0x04 => flags.push_str("X"),
+        0x01 => flags.push('R'),
+        0x02 => flags.push('W'),
+        0x04 => flags.push('X'),
         _ => flags.push_str("Unknown"),
     }
     flags
@@ -367,11 +368,9 @@ fn get_data_encoding(header: &[u8]) -> (String, u8) {
 }
 
 fn bits_to_u16(bits: &[u8; 2]) -> u16 {
-    let value = u16::from_le_bytes(*bits);
-    value
+    u16::from_le_bytes(*bits)
 }
 
 fn get_elf_version(header: &[u8]) -> u8 {
-    let elf_version = header[0x06];
-    elf_version
+    header[0x06]
 }