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-rw-r--r--lib/stdlib/src/erl_lint.erl7
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 65ba343368..1041783e33 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -3910,10 +3910,9 @@ check_format_string(Fmt) ->
extract_sequences(Fmt, []).
extract_sequences(Fmt, Need0) ->
- case string:chr(Fmt, $~) of
- 0 -> {ok,lists:reverse(Need0)}; %That's it
- Pos ->
- Fmt1 = string:substr(Fmt, Pos+1), %Skip ~
+ case string:find(Fmt, [$~]) of
+ nomatch -> {ok,lists:reverse(Need0)}; %That's it
+ [$~|Fmt1] ->
case extract_sequence(1, Fmt1, Need0) of
{ok,Need1,Rest} -> extract_sequences(Rest, Need1);
Error -> Error