Skip to content

Fix for 0::/0 network #205

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
achanda merged 1 commit into from
Jan 7, 2025
Merged

Fix for 0::/0 network #205

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 20 additions & 0 deletions src/ipv6.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -203,6 +203,9 @@ impl Ipv6Network {
pub fn mask(&self) -> Ipv6Addr {
debug_assert!(self.prefix <= IPV6_BITS);

if self.prefix == 0 {
return Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0);
}
let mask = u128::MAX << (IPV6_BITS - self.prefix);
Ipv6Addr::from(mask)
}
Expand Down Expand Up @@ -279,6 +282,10 @@ impl Ipv6Network {
/// ```
pub fn size(&self) -> u128 {
debug_assert!(self.prefix <= IPV6_BITS);

if self.prefix == 0 {
return u128::MAX;
}
1 << (IPV6_BITS - self.prefix)
}

Expand Down Expand Up @@ -757,4 +764,17 @@ mod test {
);
assert_eq!(net.nth(net.size()), None);
}

#[test]
fn test_mask_with_prefix_0() {
let network: Ipv6Network = "0::/0".parse().unwrap();
let mask = network.mask();
assert_eq!(mask, Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0));
}

#[test]
fn test_size_with_prefix_0() {
let network: Ipv6Network = "0::/0".parse().unwrap();
assert_eq!(network.size(), u128::MAX);
}
}