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refactor: enforce immutability #4

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merged 2 commits into from
Sep 2, 2024
Merged

refactor: enforce immutability #4

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4ff0b6a
refactor: enforce immutability of ifap
mxinden Sep 2, 2024
0ef2797
refactor: enforce immutability of addr_table and if_table
mxinden Sep 2, 2024
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3 changes: 2 additions & 1 deletion src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -74,10 +74,11 @@ fn get_interface_mtu_linux_macos(socket: &UdpSocket) -> Result<usize, Error> {
use libc::{ifreq, ioctl};

// Get the interface list.
let mut ifap: *mut ifaddrs = ptr::null_mut(); // Do not modify this pointer.
let mut ifap: *mut ifaddrs = ptr::null_mut();
if unsafe { getifaddrs(&mut ifap) } != 0 {
return Err(Error::last_os_error());
}
let ifap = ifap; // Do not modify this pointer.

// First, find the name of the interface with the local IP address determined above.
let mut cursor = ifap;
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