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Swap bytes when building IPv6 addresses. #1

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Merged
merged 2 commits into from
Feb 19, 2017
Merged

Swap bytes when building IPv6 addresses. #1

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7fd0cf0
Swap bytes when building IPv6 addresses.
cspiegel Feb 16, 2017
085d95a
Add a test for make_int16().
cspiegel Feb 19, 2017
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12 changes: 11 additions & 1 deletion src/ffi.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ extern "C" {
pub fn freeifaddrs(ifa: *mut ifaddrs) -> c_void;
}

fn make_int16(lo: u8, hi: u8) -> u16 {
fn make_int16(hi: u8, lo: u8) -> u16 {
(lo as u16) | ((hi as u16) << 8)
}

Expand Down Expand Up @@ -107,3 +107,13 @@ extern "C" {
#[cfg(target_os = "macos")]
pub fn rust_LLADDR(p: *mut ifaddrs) -> *const u8;
}

#[cfg(test)]
mod tests {
use super::make_int16;

#[test]
fn test_make_int16() {
assert_eq!(make_int16(0xff, 0x00), 0xff00);
}
}