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check if argument of initial-value is in the [0,100 range

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This commit is contained in:
fossedihelm 2017-12-06 15:22:28 +01:00
parent 1dc99e3a15
commit ac39da6c97
1 changed files with 11 additions and 2 deletions
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9
src/main.rs
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@ -137,8 +137,17 @@ fn setup(args: &[String]) -> Setup {
let initial_volume;
if matches.opt_present("initial-volume"){
if matches.opt_str("initial-volume").unwrap().parse::<i32>().is_ok(){
if matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap() < 0 {
initial_volume = 0 as i32;
}
else if matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap() > 100{
initial_volume = 0xFFFF as i32;
}
else{
initial_volume = matches.opt_str("initial-volume").unwrap().parse::<i32>().unwrap()* 0xFFFF as i32 / 100 ;
}
}
else {
initial_volume = 0x8000 as i32;
}