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Avoid taking quadratic time #33

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merged 1 commit into from
Aug 20, 2017
Merged

Avoid taking quadratic time #33

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12 changes: 8 additions & 4 deletions src/parser/inlines.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -859,13 +859,14 @@ pub fn manual_scan_link_url(input: &str) -> Option<usize> {
if i < len && input.as_bytes()[i] == b'<' {
i += 1;
while i < len {
if input.as_bytes()[i] == b'>' {
let b = input.as_bytes()[i];
if b == b'>' {
i += 1;
break;
} else if input.as_bytes()[i] == b'\\' {
} else if b == b'\\' {
i += 2;
} else if isspace(input.as_bytes()[i]) {
return None;
} else if isspace(b) || b == b'<' {
return None
} else {
i += 1;
}
Expand All @@ -877,6 +878,9 @@ pub fn manual_scan_link_url(input: &str) -> Option<usize> {
} else if input.as_bytes()[i] == b'(' {
nb_p += 1;
i += 1;
if nb_p > 32 {
return None
}
} else if input.as_bytes()[i] == b')' {
if nb_p == 0 {
break;
Expand Down