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netlink: fix an error in formatting MAC address

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When formatting MAC address, we should left-padding zeros instead
of right-padding.

Signed-off-by: Liu Jiang <gerry@linux.alibaba.com>
This commit is contained in:
Liu Jiang
2020-05-31 20:50:52 +08:00
parent de23ec1943
commit f5cfd412e4
1 changed files with 2 additions and 4 deletions
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6
src/agent/netlink/src/parser.rs
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@@ -104,11 +104,11 @@ pub unsafe fn format_address(addr: *const u8, len: u32) -> Result<String> {
let mut i = 1;
let mut p = addr as i64;
a = format!("{:0<2X}", *(p as *const u8));
a = format!("{:0>2X}", *(p as *const u8));
while i < len {
p += 1;
i += 1;
a.push_str(format!(":{:0<2X}", *(p as *const u8)).as_str());
a.push_str(format!(":{:0>2X}", *(p as *const u8)).as_str());
}
return Ok(a);
@@ -188,7 +188,6 @@ mod tests {
parse_mac_addr("FF:FF:FF:FF:FF").unwrap_err();
}
/*
#[test]
fn test_format_address() {
let buf = [1u8, 2u8, 3u8, 4u8];
@@ -199,5 +198,4 @@ mod tests {
let addr = unsafe { format_address(&buf as *const u8, 6).unwrap() };
assert_eq!(addr, "01:02:03:04:05:06");
}
*/
}