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Replace to_option() with as_ref()

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This commit is contained in:
Ben S 2014-09-22 21:12:07 +02:00
parent b0c51d93f8
commit c80d1ec862
1 changed files with 5 additions and 3 deletions
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8
src/unix.rs
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@ -13,6 +13,7 @@ mod c {
time_t
};
#[repr(C)]
pub struct c_passwd {
pub pw_name: *const c_char, // login name
pub pw_passwd: *const c_char,
@ -26,6 +27,7 @@ mod c {
pub pw_expire: time_t // password expiry time
}
#[repr(C)]
pub struct c_group {
pub gr_name: *const c_char, // group name
pub gr_passwd: *const c_char, // password
@ -52,7 +54,7 @@ impl Unix {
pub fn empty_cache() -> Unix {
let uid = unsafe { c::getuid() };
let infoptr = unsafe { c::getpwuid(uid as i32) };
let info = unsafe { infoptr.to_option().unwrap() }; // the user has to have a name
let info = unsafe { infoptr.as_ref().unwrap() }; // the user has to have a name
let username = unsafe { from_c_str(info.pw_name) };
@ -103,7 +105,7 @@ impl Unix {
// The list of members is a pointer to a pointer of
// characters, terminated by a null pointer. So the first call
// to `to_option` will always succeed, as that memory is
// to `as_ref` will always succeed, as that memory is
// guaranteed to be there (unless we go past the end of RAM).
// The second call will return None if it's a null pointer.
@ -123,7 +125,7 @@ impl Unix {
}
pub fn load_group(&mut self, gid: u32) {
match unsafe { c::getgrgid(gid).to_option() } {
match unsafe { c::getgrgid(gid).as_ref() } {
None => {
self.group_names.find_or_insert(gid, None);
self.groups.find_or_insert(gid, false);