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shuf: Fix division by zero when no lines are read

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SeekingBlues 2021-10-13 19:58:48 -04:00 • committed by Brian Gianforcaro
parent 0588db5c30
commit c63bdba955
1 changed files with 3 additions and 0 deletions
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3
Userland/Utilities/shuf.cpp
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@ -36,6 +36,9 @@ int main([[maybe_unused]] int argc, [[maybe_unused]] char** argv)
} }
free(buffer); free(buffer);
if (lines.is_empty())
return 0;
// Fisher-Yates shuffle // Fisher-Yates shuffle
String tmp; String tmp;
for (size_t i = lines.size() - 1; i >= 1; --i) { for (size_t i = lines.size() - 1; i >= 1; --i) {