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author	Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
	Sun, 16 Oct 2016 23:23:35 +0000 (19:23 -0400)
committer	Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
	Mon, 17 Oct 2016 03:35:39 +0000 (23:35 -0400)
commit	3b319885c4febb5f7ea9b5ab31c3395548ed6886
tree	a342cd060e144ed447ecd43b22a7b87068070170	tree \| snapshot
parent	6b430fdb7c0c2c52ea69a7d56f23d739218b13d0	commit \| diff

tree-wide: introduce free_and_replace helper

It's a common pattern, so add a helper for it. A macro is necessary
because a function that takes a pointer to a pointer would be type specific,
similarly to cleanup functions. Seems better to use a macro.

coccinelle/free_and_replace.cocci	[new file with mode: 0644]	blob
src/basic/alloc-util.h		diff \| blob \| history
src/basic/fs-util.c		diff \| blob \| history
src/basic/path-util.c		diff \| blob \| history
src/core/load-fragment.c		diff \| blob \| history
src/core/mount.c		diff \| blob \| history
src/core/service.c		diff \| blob \| history
src/journal-remote/journal-upload.c		diff \| blob \| history
src/shared/install.c		diff \| blob \| history

Domain: System / System Framework;

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