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Remove use of unsafe in logger.rs.

This commit is contained in:
Sergio Benitez 2018-02-17 02:12:59 -08:00
parent de8e1978c5
commit c6841ba67a
1 changed files with 19 additions and 4 deletions
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23
lib/src/logger.rs
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@ -152,14 +152,29 @@ pub(crate) fn try_init(level: LoggingLevel, verbose: bool) {
use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering}; use std::sync::atomic::{AtomicUsize, AtomicBool, Ordering};
static PUSHED: AtomicBool = AtomicBool::new(false); static PUSHED: AtomicBool = AtomicBool::new(false);
static LAST_LOG_FILTER: AtomicUsize = AtomicUsize::new(filter_to_usize(log::LevelFilter::Off)); static LAST_LOG_FILTER: AtomicUsize = AtomicUsize::new(0);
const fn filter_to_usize(filter: log::LevelFilter) -> usize { fn filter_to_usize(filter: log::LevelFilter) -> usize {
filter as usize match filter {
log::LevelFilter::Off => 0,
log::LevelFilter::Error => 1,
log::LevelFilter::Warn => 2,
log::LevelFilter::Info => 3,
log::LevelFilter::Debug => 4,
log::LevelFilter::Trace => 5,
}
} }
fn usize_to_filter(num: usize) -> log::LevelFilter { fn usize_to_filter(num: usize) -> log::LevelFilter {
unsafe { ::std::mem::transmute(num) } match num {
0 => log::LevelFilter::Off,
1 => log::LevelFilter::Error,
2 => log::LevelFilter::Warn,
3 => log::LevelFilter::Info,
4 => log::LevelFilter::Debug,
5 => log::LevelFilter::Trace,
_ => unreachable!("max num is 5 in filter_to_usize")
}
} }
pub(crate) fn push_max_level(level: LoggingLevel) { pub(crate) fn push_max_level(level: LoggingLevel) {