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authorElliott Hughes <enh@google.com>2017-05-23 17:35:49 -0700
committerRob Landley <rob@landley.net>2017-05-24 19:56:58 -0500
commit12f0744f340746b3a1c1accfdf993d6548f33e56 (patch)
tree7fa4ac6625bcaff12c300f4ef54d53649cfe7628 /toys/posix/cksum.c
parent5a159cceb35fe08e444bd5a1771f8059888b03ff (diff)
downloadtoybox-12f0744f340746b3a1c1accfdf993d6548f33e56.tar.gz
Add and use xmmap.
Everyone forgets that mmap returns MAP_FAILED rather than NULL on failure. Every use of mmap in toybox was either doing the wrong check, or no check at all (including the two I personally added).
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