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Code Issues

Avoid dividing by zero

This commit is contained in:
Isaac Parker 2019-11-09 19:50:36 -08:00
parent 72344f2780
commit 2712a7ffdf
1 changed files with 11 additions and 2 deletions
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13
src/lib.rs
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@ -429,7 +429,10 @@ fn fmt_bar( bytes : &Vec<u64>, max_bytes : u64, width : usize, ascii_flag : bool
let _ = bytesi.next();
let mut total = &max_bytes;
let mut part = bytesi.next().unwrap();
let mut bars = ( part * width ) / total;
let mut bars = match total {
0 => 0,
_ => (part * width) / total,
};
let mut pos = width - bars;
let block_char = if ascii_flag { vec![ ' ', '#' ] } else { vec![ ' ', '░', '▒', '▓', '█' ] };
@ -451,7 +454,13 @@ fn fmt_bar( bytes : &Vec<u64>, max_bytes : u64, width : usize, ascii_flag : bool
str.push( block_char[chr] );
}
format!( "{}│ {:3}%", str, ( bytes[bytes.len()-1] * 100 ) / bytes[bytes.len()-2] )
let nominator = bytes[bytes.len()-1] * 100;
let denominator = bytes[bytes.len()-2];
let result = match denominator {
0 => 0,
_ => nominator/denominator,
};
format!( "{}│ {:3}%", str, result )
}
fn fmt_size_str( bytes : u64, flag : bool ) -> String {