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authorElliott Hughes <enh@google.com>2016-01-09 12:20:50 -0800
committerRob Landley <rob@landley.net>2016-01-10 21:19:48 -0600
commitc55d30d85f1332f5022132c119ecfa3f2f16f4c5 (patch)
tree7516ef0fad09b930de963e0db52bfbf251beeb31 /toys
parente8943589a8404b96071eb1890d08d3c80941fae8 (diff)
downloadtoybox-c55d30d85f1332f5022132c119ecfa3f2f16f4c5.tar.gz
Fix hwclock -u.
You can't pass a NULL value to setenv(3). The "put things back how they were" intent of this code is best achieved by calling unsetenv(3) in the NULL case. (This causes a crash with "hwclock -u" on Android. glibc silently corrupts the environment instead.)
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