зеркало из https://github.com/mozilla/gecko-dev.git
34 строки
1.0 KiB
Rust
34 строки
1.0 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use std::io::{self, Write};
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use std::mem;
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use std::mem::size_of;
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use std::slice;
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fn hexdump_slice(buf: &[u8]) {
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let mut stderr = io::stderr();
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stderr.write_all(b" ").unwrap();
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for (i, &v) in buf.iter().enumerate() {
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let output = format!("{:02X} ", v);
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stderr.write_all(output.as_bytes()).unwrap();
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match i % 16 {
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15 => { stderr.write_all(b"\n ").unwrap(); },
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7 => { stderr.write_all(b" ").unwrap(); },
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_ => ()
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}
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stderr.flush().unwrap();
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}
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stderr.write_all(b"\n").unwrap();
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}
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pub fn hexdump<T>(obj: &T) {
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unsafe {
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let buf: *const u8 = mem::transmute(obj);
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debug!("dumping at {:p}", buf);
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let from_buf = slice::from_raw_parts(buf, size_of::<T>());
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hexdump_slice(from_buf);
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}
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}
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