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Reject plus signs in logo palette hex parser

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Found while testing crates/trace/src/logo/palette.rs:9-15 (parse_hex)

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
NetterSilver
2026-10-24 19:02:09 +07:00
committed by bflatastic
co-authored by Claude Haiku 5.5
parent 2a4aafe346
commit 5068dfc73f
1 changed files with 2 additions and 2 deletions
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crates/trace/src/logo/palette.rs
+2 -2
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@@ -8,7 +8,7 @@ pub(crate) const WHITE_MIN: u8 = 245;
/// `#rrggbb` or `rrggbb`.
pub(crate) fn parse_hex(s: &str) -> Option<[u8; 3]> {
let h = s.trim().trim_start_matches('#');
if h.len() != 6 || !h.is_ascii() {
if h.len() != 6 || !h.bytes().all(|b| b.is_ascii_hexdigit()) {
return None;
}
let v = |i: usize| u8::from_str_radix(h.get(i..i + 2)?, 16).ok();
@@ -403,7 +403,7 @@ mod tests {
fn hex_parsing() {
assert_eq!(parse_hex("#6C60F6"), Some([0x6c, 0x60, 0xf6]));
assert_eq!(parse_hex("ea4335"), Some([0xea, 0x43, 0x35]));
for bad in ["", "#12345", "#1234567", "#gg0000", "é2345z", " "] {
for bad in ["", "#12345", "#1234567", "#gg0000", "é2345z", " ", "+1+2+3", "#+1+2+3"] {
assert_eq!(parse_hex(bad), None, "{bad:?}");
}
}