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fix hexdump print

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yfblock 2023-03-03 17:38:57 +08:00 committed by Yifan Wu
parent 9c718d9047
commit 7039afba01
1 changed files with 2 additions and 3 deletions
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5
user/src/bin/tcp_simplehttp.rs
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@ -157,9 +157,8 @@ pub fn main() -> i32 {
#[allow(unused)] #[allow(unused)]
pub fn hexdump(data: &[u8]) { pub fn hexdump(data: &[u8]) {
const PRELAND_WIDTH: usize = 70; const PRELAND_WIDTH: usize = 70;
println!("[kernel] {:-^1$}", " hexdump ", PRELAND_WIDTH); println!("{:-^1$}", " hexdump ", PRELAND_WIDTH);
for offset in (0..data.len()).step_by(16) { for offset in (0..data.len()).step_by(16) {
print!("[kernel] ");
for i in 0..16 { for i in 0..16 {
if offset + i < data.len() { if offset + i < data.len() {
print!("{:02x} ", data[offset + i]); print!("{:02x} ", data[offset + i]);
@ -185,5 +184,5 @@ pub fn hexdump(data: &[u8]) {
println!(""); println!("");
} }
println!("[kernel] {:-^1$}", " hexdump end ", PRELAND_WIDTH); println!("{:-^1$}", " hexdump end ", PRELAND_WIDTH);
} }