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Junio C Hamano 05b4ed61f4 cocci: simplify "if (++u > 1)" to "if (u++)" 
It is more common to use post-increment than pre-increment when the
side effect is the primary thing we want in our code and in C in
general (unlike C++).

Initializing a variable to 0, incrementing it every time we do
something, and checking if we have already done that thing to guard
the code to do that thing, is easier to understand when written

	if (u++)
		; /* we've done that! */
	else
		do_it(); /* just once. */

but if you try to use pre-increment, you end up with a less natural
looking

	if (++u > 1)

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-24 10:10:10 +09:00
..
.gitignore gitignore: ignore output files of coccicheck make target 2016-09-27 14:02:19 -07:00
array.cocci coccinelle: remove parentheses that become unnecessary 2017-10-02 13:02:26 +09:00
commit.cocci coccinelle: update commit.cocci 2018-07-16 10:54:31 -07:00
free.cocci coccinelle: polish FREE_AND_NULL rules 2017-06-29 10:46:16 -07:00
object_id.cocci cocci: avoid self-references in object_id transformations 2016-11-01 10:58:39 -07:00
preincr.cocci cocci: simplify "if (++u > 1)" to "if (u++)" 2018-10-24 10:10:10 +09:00
qsort.cocci remove unnecessary check before QSORT 2016-09-29 15:42:18 -07:00
README contrib/coccinelle: add basic Coccinelle transforms 2016-06-28 11:39:02 -07:00
strbuf.cocci Merge branch 'rs/cocci-strbuf-addf-to-addstr' 2018-02-15 14:55:44 -08:00
swap.cocci add SWAP macro 2017-01-30 14:07:45 -08:00
xstrdup_or_null.cocci abspath: add absolute_pathdup() 2017-01-26 14:51:06 -08:00

README 

This directory provides examples of Coccinelle (http://coccinelle.lip6.fr/)
semantic patches that might be useful to developers.