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attractivechaos / klib

A standalone and lightweight C library
http://attractivechaos.github.io/klib/
MIT License
4.18k stars 556 forks source link

heapsort crash if input is empty #162

Open jpcima opened 2 years ago

jpcima commented 2 years ago

Given 0 as lsize, the program crashes. These are the relevant lines. https://github.com/attractivechaos/klib/blob/9a063b33efd841fcc42d4b9f68cb78bb528bf75b/ksort.h#L144-L145