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author	Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
	Tue, 10 Nov 2020 11:14:28 +0000 (12:14 +0100)
committer	Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
	Tue, 10 Nov 2020 14:52:32 +0000 (15:52 +0100)
commit	44ee03d111ac40e11881e2b16f31bdf30ea8ed96
tree	3cbb860f45582dacfd15e9615ecfdd6c53282222	tree \| snapshot
parent	063f9f0da9d3833e677d56933182a3f8a39b6d35	commit \| diff

tree-wide: unsetenv cannot fail

... when called with a valid environment variable name. This means that
any time we call it with a fixed string, it is guaranteed to return 0.
(Also when the variable is not present in the environment block.)

src/core/main.c		diff \| blob \| blame \| history
src/home/homectl.c		diff \| blob \| blame \| history
src/libsystemd/sd-daemon/sd-daemon.c		diff \| blob \| blame \| history
src/test/test-execute.c		diff \| blob \| blame \| history
src/test/test-path-util.c		diff \| blob \| blame \| history
src/test/test-time-util.c		diff \| blob \| blame \| history
src/udev/udevd.c		diff \| blob \| blame \| history
src/userdb/userdbctl.c		diff \| blob \| blame \| history

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