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Eol_compat: fix crash triggered by ocamlgrammarfuzzer #128

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Eol_compat: fix crash triggered by ocamlgrammarfuzzer #128

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8 changes: 5 additions & 3 deletions lib/Eol_compat.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -34,8 +34,10 @@ let normalize_eol ?(exclude_locs = []) ~line_endings s =
normalize_segment ~seen_cr:0 i (String.length s) ;
Buffer.contents buf
| (start, stop) :: xs ->
normalize_segment ~seen_cr:0 i start ;
Buffer.add_substring buf s ~pos:start ~len:(stop - start) ;
loop xs stop
if i < stop then (
if i < start then normalize_segment ~seen_cr:0 i start ;
Buffer.add_substring buf s ~pos:start ~len:(stop - start) ;
loop xs stop )
else loop xs i
in
loop exclude_locs 0