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LibLine: Avoid crashing if given empty suggestions

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AnotherTest 2020-04-15 18:26:11 +04:30 committed by Andreas Kling
parent 223a863c6d
commit 6b513ca97e
Notes: sideshowbarker 2024-07-19 07:34:56 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/6b513ca97e5
Pull-request: https://github.com/SerenityOS/serenity/pull/1810
1 changed files with 4 additions and 1 deletions
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5
Libraries/LibLine/Editor.cpp
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@ -153,7 +153,10 @@ String Editor::get_line(const String& prompt)
auto reverse_tab = false;
auto increment_suggestion_index = [&] {
m_next_suggestion_index = (m_next_suggestion_index + 1) % m_suggestions.size();
if (m_suggestions.size())
m_next_suggestion_index = (m_next_suggestion_index + 1) % m_suggestions.size();
else
m_next_suggestion_index = 0;
};
auto decrement_suggestion_index = [&] {
if (m_next_suggestion_index == 0)