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AK: Fix JSON parser crashing when encountering UTF-8

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The mechanism that caches the most recently seen string for each first
character was indexing into the cache using a 'char' subscript. Oops!
This commit is contained in:
Andreas Kling 2019-12-29 22:18:45 +01:00
parent d1d7db2745
commit 821484f170
2 changed files with 9 additions and 1 deletions
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2
AK/JsonParser.cpp
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@ -103,7 +103,7 @@ String JsonParser::consume_quoted_string()
if (buffer.is_empty())
return String::empty();
auto& last_string_starting_with_character = m_last_string_starting_with_character[(int)buffer.first()];
auto& last_string_starting_with_character = m_last_string_starting_with_character[(u8)buffer.first()];
if (last_string_starting_with_character.length() == (size_t)buffer.size()) {
if (!memcmp(last_string_starting_with_character.characters(), buffer.data(), buffer.size()))
return last_string_starting_with_character;