diff options
Diffstat (limited to 'crates/runrom/src')
| -rw-r--r-- | crates/runrom/src/main.rs | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/crates/runrom/src/main.rs b/crates/runrom/src/main.rs index ab1ea83..1535c94 100644 --- a/crates/runrom/src/main.rs +++ b/crates/runrom/src/main.rs @@ -27,7 +27,7 @@ fn print_help() { } // Print the given `message` and exit(1). -fn die(message: String) { +fn die(message: String) -> ! { eprintln!("error: {message}"); std::process::exit(1); } @@ -123,7 +123,6 @@ fn start_from_reset_vector(file: &String) -> u16 { let Ok(mut input) = File::open(file) else { die(format!("failed to open the given file '{file}'")); - return 0; }; let mut buf = vec![0u8; 0x10]; @@ -136,10 +135,7 @@ fn start_from_reset_vector(file: &String) -> u16 { let header = match Header::try_from(buf.as_slice()) { Ok(h) => h, - Err(e) => { - die(e.to_string()); - return 0; - } + Err(e) => die(e.to_string()), }; // 2. With a known PRG ROM size, fetch the two bytes pertaining to the reset @@ -155,7 +151,6 @@ fn start_from_reset_vector(file: &String) -> u16 { if input.seek(SeekFrom::Start(offset)).is_err() { die("cannot peek into the ROM's reset address".to_string()); - return 0; }; let mut buf = [0u8; 0x02]; if let Err(e) = input.read_exact(&mut buf) { |