Simon Wicky
31 lines
895 B
Rust
31 lines
895 B
Rust
// Copyright 2026 Nym Technologies SA <contact@nymtech.net>
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
use std::fmt::{self, Write};
|
|
|
|
pub fn format_debug_bytes(bytes: &[u8]) -> Result<String, fmt::Error> {
|
|
let mut out = String::new();
|
|
const LINE_LEN: usize = 16;
|
|
for (i, chunk) in bytes.chunks(LINE_LEN).enumerate() {
|
|
let line_prefix = format!("[{}:{}]", 1 + i * LINE_LEN, i * LINE_LEN + chunk.len());
|
|
write!(out, "{line_prefix:12}")?;
|
|
let mut line = String::new();
|
|
for b in chunk {
|
|
line.push_str(format!("{:02x} ", b).as_str());
|
|
}
|
|
write!(
|
|
out,
|
|
"{line:48} {}",
|
|
chunk
|
|
.iter()
|
|
.map(|&b| b as char)
|
|
.map(|c| if c.is_alphanumeric() { c } else { '.' })
|
|
.collect::<String>()
|
|
)?;
|
|
|
|
writeln!(out)?;
|
|
}
|
|
|
|
Ok(out)
|
|
}
|