systemd-stable/coccinelle/take-fd.cocci

@@
local idexpression p;
expression q;
@@
- p = q;
- q = -1;
- return p;
+ return TAKE_FD(q);
@@
expression p, q;
@@
- p = q;
- q = -1;
+ p = TAKE_FD(q);
macro: introduce new TAKE_FD() macro This is similar to TAKE_PTR() but operates on file descriptors, and thus assigns -1 to the fd parameter after returning it. Removes 60 lines from our codebase. Pretty good too I think. 2018-03-22 19:04:29 +03:00			`@@`
			`local idexpression p;`
			`expression q;`
			`@@`
			`- p = q;`
			`- q = -1;`
			`- return p;`
			`+ return TAKE_FD(q);`
			`@@`
			`expression p, q;`
			`@@`
			`- p = q;`
			`- q = -1;`
			`+ p = TAKE_FD(q);`