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stat: change precision from i32 to Option<usize>

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Terts Diepraam 2022-11-17 00:13:20 +01:00
parent cdb777a243
commit 3499bdaeac
1 changed files with 18 additions and 20 deletions
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38
src/uu/stat/src/stat.rs
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@ -140,7 +140,7 @@ enum Token {
Directive {
flag: Flags,
width: usize,
precision: i32,
precision: Option<usize>,
format: char,
},
}
@ -245,7 +245,7 @@ struct Stater {
}
#[allow(clippy::cognitive_complexity)]
fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
fn print_it(output: &OutputType, flags: Flags, width: usize, precision: Option<usize>) {
// If the precision is given as just '.', the precision is taken to be zero.
// A negative precision is taken as if the precision were omitted.
// This gives the minimum number of digits to appear for d, i, o, u, x, and X conversions,
@ -276,7 +276,7 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
// By default, a sign is used only for negative numbers.
// A + overrides a space if both are used.
let padding_char = if flags.zero && !flags.left && precision == -1 {
let padding_char = if flags.zero && !flags.left && precision.is_none() {
Padding::Zero
} else {
Padding::Space
@ -286,8 +286,10 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
match output {
OutputType::Str(s) => {
let limit = cmp::min(precision, s.len() as i32);
let s: &str = if limit >= 0 { &s[..limit as usize] } else { s };
let s = match precision {
Some(p) if p < s.len() => &s[..p],
_ => s,
};
print_adjusted(s, flags.left, None, None, width, Padding::Space);
}
OutputType::Integer(num) => {
@ -297,8 +299,7 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
} else {
Cow::Borrowed(num.as_str())
};
let min_digits = cmp::max(precision, arg.len() as i32) as usize;
let extended: Cow<str> = extend_digits(arg.as_ref(), min_digits);
let extended = extend_digits(&arg, precision.unwrap_or(0));
let prefix = if flags.sign { "+" } else { " " };
print_adjusted(
extended.as_ref(),
@ -316,8 +317,7 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
} else {
Cow::Borrowed(num.as_str())
};
let min_digits = cmp::max(precision, arg.len() as i32) as usize;
let extended: Cow<str> = extend_digits(arg.as_ref(), min_digits);
let extended = extend_digits(&arg, precision.unwrap_or(0));
print_adjusted(
extended.as_ref(),
flags.left,
@ -329,8 +329,7 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
}
OutputType::UnsignedOct(num) => {
let num = format!("{:o}", num);
let min_digits = cmp::max(precision, num.len() as i32) as usize;
let extended: Cow<str> = extend_digits(&num, min_digits);
let extended = extend_digits(&num, precision.unwrap_or(0));
print_adjusted(
extended.as_ref(),
flags.left,
@ -342,8 +341,7 @@ fn print_it(output: &OutputType, flags: Flags, width: usize, precision: i32) {
}
OutputType::UnsignedHex(num) => {
let num = format!("{:x}", num);
let min_digits = cmp::max(precision, num.len() as i32) as usize;
let extended: Cow<str> = extend_digits(&num, min_digits);
let extended = extend_digits(&num, precision.unwrap_or(0));
print_adjusted(
extended.as_ref(),
flags.left,
@ -397,7 +395,7 @@ impl Stater {
check_bound(format_str, bound, old, i)?;
let mut width = 0;
let mut precision = -1;
let mut precision = None;
let mut j = i;
if let Some((field_width, offset)) = format_str[j..].scan_num::<usize>() {
@ -413,11 +411,11 @@ impl Stater {
match format_str[j..].scan_num::<i32>() {
Some((value, offset)) => {
if value >= 0 {
precision = value;
precision = Some(value as usize);
}
j += offset;
}
None => precision = 0,
None => precision = Some(0),
}
check_bound(format_str, bound, old, j)?;
}
@ -985,7 +983,7 @@ mod tests {
..Default::default()
},
width: 10,
precision: 2,
precision: Some(2),
format: 'a',
},
Token::Char('c'),
@ -996,7 +994,7 @@ mod tests {
..Default::default()
},
width: 5,
precision: 0,
precision: Some(0),
format: 'w',
},
Token::Char('\n'),
@ -1016,7 +1014,7 @@ mod tests {
..Default::default()
},
width: 15,
precision: -1,
precision: None,
format: 'a',
},
Token::Char('\t'),
@ -1035,7 +1033,7 @@ mod tests {
..Default::default()
},
width: 20,
precision: -1,
precision: None,
format: 'w',
},
Token::Char('\x12'),