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Fix undefined behavior in energymon::init

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dylni 2020-05-25 11:34:06 -04:00 • committed by GitHub
parent d186ab6927
commit 3160e62b8a
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1 changed files with 1 additions and 2 deletions
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components/profile_traits/energy.rs
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@ -29,7 +29,6 @@ mod energymon {
use self::energy_monitor::EnergyMonitor; use self::energy_monitor::EnergyMonitor;
use self::energymon::EnergyMon; use self::energymon::EnergyMon;
use std::mem;
use std::sync::{Once, ONCE_INIT}; use std::sync::{Once, ONCE_INIT};
static mut EM: Option<*mut EnergyMon> = None; static mut EM: Option<*mut EnergyMon> = None;
@ -41,7 +40,7 @@ mod energymon {
if let Ok(em) = EnergyMon::new() { if let Ok(em) = EnergyMon::new() {
println!("Started energy monitoring from: {}", em.source()); println!("Started energy monitoring from: {}", em.source());
unsafe { unsafe {
EM = Some(mem::transmute(Box::new(em))); EM = Some(Box::into_raw(Box::new(em)));
} }
} }
}); });