alpm 0.5.2

Rust bindings for libalpm
Documentation 
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use std::cmp::Ordering;
use std::ffi::CString;

use alpm_sys::*;

pub fn vercmp<S: Into<String>>(a: S, b: S) -> Ordering {
    let a = CString::new(a.into()).unwrap();
    let b = CString::new(b.into()).unwrap();
    let ret = unsafe { alpm_pkg_vercmp(a.as_ptr(), b.as_ptr()) };

    if ret < 0 {
        Ordering::Less
    } else if ret > 0 {
        Ordering::Greater
    } else {
        Ordering::Equal
    }
}