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Fix crash displaying CSI u codepoints in ASCII control range

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This commit is contained in:
Johannes Altmanninger 2024-04-07 08:26:45 +02:00
parent c8f3659737
commit b97187c90b
1 changed files with 5 additions and 2 deletions
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7
src/key.rs
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@ -414,8 +414,11 @@ fn ascii_printable_to_symbol(buf: &mut WString, c: char) {
fn char_to_symbol(c: char) -> WString {
let mut buff = WString::new();
let buf = &mut buff;
assert!(c >= ' ');
if c < '\u{80}' {
if c <= ' ' {
// Most ascii control characters like \x01 are canonicalized like ctrl-a, except if we
// are given the control character directly with CSI u.
sprintf!(=> buf, "\\x%02x", u8::try_from(c).unwrap());
} else if c < '\u{80}' {
// ASCII characters that are not control characters
ascii_printable_to_symbol(buf, c);
} else if fish_wcwidth(c) > 0 {