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LibCore: Fix a crash in CArgsParser

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This commit is contained in:
Sergey Bugaev 2019-08-17 12:22:31 +03:00 committed by Andreas Kling
parent bec646c0bb
commit e0e1be8c33
Notes: sideshowbarker 2024-07-19 12:39:05 +09:00 
Author: https://github.com/bugaevc
Commit: https://github.com/SerenityOS/serenity/commit/e0e1be8c330
Pull-request: https://github.com/SerenityOS/serenity/pull/456
Reviewed-by: https://github.com/awesomekling ✅
1 changed files with 2 additions and 1 deletions
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Libraries/LibCore/CArgsParser.cpp
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@ -108,7 +108,8 @@ int CArgsParser::parse_next_param(int index, char** argv, const int params_left,
bool CArgsParser::is_param_valid(const String& param_name)
{
return param_name.substring(0, m_prefix.length()) == m_prefix;
return param_name.length() >= m_prefix.length() &&
param_name.substring(0, m_prefix.length()) == m_prefix;
}
bool CArgsParser::check_required_args(const CArgsParserResult& res)