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author	Lennart Poettering <lennart@poettering.net>
	Thu, 26 Oct 2017 16:45:54 +0000 (18:45 +0200)
committer	Lennart Poettering <lennart@poettering.net>
	Fri, 17 Nov 2017 10:13:44 +0000 (11:13 +0100)
commit	046a82c1b20f765a8aa704ddea87e1b906d8ded0
tree	058313f8238fb73d6ab6baeb4a50d7c290410e44	tree \| snapshot
parent	05d69e0294b6bbc7aa348d4fd09bfa847b6e178a	commit \| diff

fd-util: add new helper move_fd() and make use of it

We are using the same pattern at various places: call dup2() on an fd,
and close the old fd, usually in combination with some O_CLOEXEC
fiddling. Let's add a little helper for this, and port a few obvious
cases over.

src/basic/fd-util.c		diff \| blob \| blame \| history
src/basic/fd-util.h		diff \| blob \| blame \| history
src/core/execute.c		diff \| blob \| blame \| history
src/import/import-common.c		diff \| blob \| blame \| history
src/import/pull-common.c		diff \| blob \| blame \| history

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