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printf: accept multiple length parameters

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Terts Diepraam 2023-11-17 14:41:42 +01:00
parent cd0c24af07
commit f83e0d1b04
1 changed files with 37 additions and 26 deletions
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63
src/uucore/src/lib/features/format/spec.rs
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@ -107,34 +107,45 @@ impl Spec {
None
};
let length = rest.get(0).and_then(|c| {
Some(match c {
b'h' => {
if let Some(b'h') = rest.get(1) {
*rest = &rest[1..];
Length::Char
} else {
Length::Short
// Parse 0..N length options, keep the last one
// Even though it is just ignored. We might want to use it later and we
// should parse those characters.
//
// TODO: This needs to be configurable: `seq` accepts only one length
// param
let mut _length = None;
loop {
let new_length = rest.get(0).and_then(|c| {
Some(match c {
b'h' => {
if let Some(b'h') = rest.get(1) {
*rest = &rest[1..];
Length::Char
} else {
Length::Short
}
}
}
b'l' => {
if let Some(b'l') = rest.get(1) {
*rest = &rest[1..];
Length::Long
} else {
Length::LongLong
b'l' => {
if let Some(b'l') = rest.get(1) {
*rest = &rest[1..];
Length::Long
} else {
Length::LongLong
}
}
}
b'j' => Length::IntMaxT,
b'z' => Length::SizeT,
b't' => Length::PtfDiffT,
b'L' => Length::LongDouble,
_ => return None,
})
});
if length.is_some() {
*rest = &rest[1..];
b'j' => Length::IntMaxT,
b'z' => Length::SizeT,
b't' => Length::PtfDiffT,
b'L' => Length::LongDouble,
_ => return None,
})
});
if new_length.is_some() {
*rest = &rest[1..];
_length = new_length;
} else {
break;
}
}
let type_spec = rest.get(0)?;