From 4a7e27e95797c0a094f8ee300a260777ddd7eec9 Mon Sep 17 00:00:00 2001 From: Jeff King Date: Tue, 28 Aug 2018 17:22:40 -0400 Subject: convert "oidcmp() == 0" to oideq() Using the more restrictive oideq() should, in the long run, give the compiler more opportunities to optimize these callsites. For now, this conversion should be a complete noop with respect to the generated code. The result is also perhaps a little more readable, as it avoids the "zero is equal" idiom. Since it's so prevalent in C, I think seasoned programmers tend not to even notice it anymore, but it can sometimes make for awkward double negations (e.g., we can drop a few !!oidcmp() instances here). This patch was generated almost entirely by the included coccinelle patch. This mechanical conversion should be completely safe, because we check explicitly for cases where oidcmp() is compared to 0, which is what oideq() is doing under the hood. Note that we don't have to catch "!oidcmp()" separately; coccinelle's standard isomorphisms make sure the two are treated equivalently. I say "almost" because I did hand-edit the coccinelle output to fix up a few style violations (it mostly keeps the original formatting, but sometimes unwraps long lines). Signed-off-by: Jeff King Signed-off-by: Junio C Hamano --- notes.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'notes.c') diff --git a/notes.c b/notes.c index 32d3dbcc1e..b3386d6c36 100644 --- a/notes.c +++ b/notes.c @@ -266,9 +266,9 @@ static int note_tree_insert(struct notes_tree *t, struct int_node *tree, case PTR_TYPE_NOTE: switch (type) { case PTR_TYPE_NOTE: - if (!oidcmp(&l->key_oid, &entry->key_oid)) { + if (oideq(&l->key_oid, &entry->key_oid)) { /* skip concatenation if l == entry */ - if (!oidcmp(&l->val_oid, &entry->val_oid)) + if (oideq(&l->val_oid, &entry->val_oid)) return 0; ret = combine_notes(&l->val_oid, -- cgit v1.2.1