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rmyorston / pdpmake

Public domain POSIX make
https://frippery.org/make
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Fix null dereference #4

Closed aabacchus closed 2 years ago

aabacchus commented 2 years ago

To uncover the bug, do:

printf "%s\n" "X += " | make -f -

newq may be NULL but mp is still dereferenced for mp->m_simple. Add another check.

rmyorston commented 2 years ago

Good job spotting that! Patch applied, thank you.