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Rollup merge of #112606 - clarfonthey:ip-display, r=thomcc

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Alter `Display` for `Ipv6Addr` for IPv4-compatible addresses

ACP: rust-lang/libs-team#239
This commit is contained in:
Michael Goulet 2023-06-19 17:53:35 -07:00 • committed by GitHub
commit e24fe97bd9
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 7 additions and 13 deletions
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10
library/core/src/net/ip_addr.rs
View file

@ -1770,14 +1770,8 @@ impl fmt::Display for Ipv6Addr {
f.write_str("::")
} else if self.is_loopback() {
f.write_str("::1")
} else if let Some(ipv4) = self.to_ipv4() {
match segments[5] {
// IPv4 Compatible address
0 => write!(f, "::{}", ipv4),
// IPv4 Mapped address
0xffff => write!(f, "::ffff:{}", ipv4),
_ => unreachable!(),
}
} else if let Some(ipv4) = self.to_ipv4_mapped() {
write!(f, "::ffff:{}", ipv4)
} else {
#[derive(Copy, Clone, Default)]
struct Span {

6
library/core/tests/net/ip_addr.rs
View file

@ -139,7 +139,7 @@ fn ipv6_addr_to_string() {
// ipv4-compatible address
let a1 = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x280);
assert_eq!(a1.to_string(), "::192.0.2.128");
assert_eq!(a1.to_string(), "::c000:280");
// v6 address with no zero segments
assert_eq!(Ipv6Addr::new(8, 9, 10, 11, 12, 13, 14, 15).to_string(), "8:9:a:b:c:d:e:f");
@ -316,7 +316,7 @@ fn ip_properties() {
check!("::", unspec);
check!("::1", loopback);
check!("::0.0.0.2", global);
check!("::2", global);
check!("1::", global);
check!("fc00::");
check!("fdff:ffff::");
@ -607,7 +607,7 @@ fn ipv6_properties() {
check!("::1", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1], loopback);
check!("::0.0.0.2", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], global | unicast_global);
check!("::2", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], global | unicast_global);
check!("1::", &[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], global | unicast_global);

2
library/core/tests/net/socket_addr.rs
View file

@ -34,7 +34,7 @@ fn ipv6_socket_addr_to_string() {
// IPv4-compatible address.
assert_eq!(
SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x280), 8080, 0, 0).to_string(),
"[::192.0.2.128]:8080"
"[::c000:280]:8080"
);
// IPv6 address with no zero segments.

2
library/std/src/net/socket_addr/tests.rs
View file

@ -85,7 +85,7 @@ fn ipv6_socket_addr_to_string() {
// IPv4-compatible address.
assert_eq!(
SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0xc000, 0x280), 8080, 0, 0).to_string(),
"[::192.0.2.128]:8080"
"[::c000:280]:8080"
);
// IPv6 address with no zero segments.