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From: mhagger@alum.mit.edu
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, Jeff King <peff@peff.net>,
	Jakub Narebski <jnareb@gmail.com>,
	Heiko Voigt <hvoigt@hvoigt.net>,
	Johan Herland <johan@herland.net>,
	Michael Haggerty <mhagger@alum.mit.edu>
Subject: [PATCH 07/15] names_conflict(): simplify implementation
Date: Tue, 10 Apr 2012 07:30:19 +0200	[thread overview]
Message-ID: <1334035827-20331-8-git-send-email-mhagger@alum.mit.edu> (raw)
In-Reply-To: <1334035827-20331-1-git-send-email-mhagger@alum.mit.edu>

From: Michael Haggerty <mhagger@alum.mit.edu>

Save a bunch of lines of code and a couple of strlen() calls.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 refs.c |   17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/refs.c b/refs.c
index cdb66d9..d4f58b8 100644
--- a/refs.c
+++ b/refs.c
@@ -342,19 +342,10 @@ static int do_for_each_ref_in_arrays(struct ref_array *array1,
  */
 static int names_conflict(const char *refname1, const char *refname2)
 {
-	int len1 = strlen(refname1);
-	int len2 = strlen(refname2);
-	int cmplen;
-	const char *lead;
-
-	if (len1 < len2) {
-		cmplen = len1;
-		lead = refname2;
-	} else {
-		cmplen = len2;
-		lead = refname1;
-	}
-	return !strncmp(refname1, refname2, cmplen) && lead[cmplen] == '/';
+	for (; *refname1 && *refname1 == *refname2; refname1++, refname2++)
+		;
+	return (*refname1 == '\0' && *refname2 == '/')
+		|| (*refname1 == '/' && *refname2 == '\0');
 }
 
 /*
-- 
1.7.10

  parent reply	other threads:[~2012-04-10  5:31 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-10  5:30 [PATCH 00/15] Hierarchical reference cache (once again) mhagger
2012-04-10  5:30 ` [PATCH 01/15] refs.c: reorder definitions more logically mhagger
2012-04-10  5:30 ` [PATCH 02/15] refs: manage current_ref within do_one_ref() mhagger
2012-04-10  5:30 ` [PATCH 03/15] do_for_each_ref_in_array(): new function mhagger
2012-04-10  5:30 ` [PATCH 04/15] do_for_each_ref_in_arrays(): " mhagger
2012-04-10  5:30 ` [PATCH 05/15] repack_without_ref(): reimplement using do_for_each_ref_in_array() mhagger
2012-04-10  5:30 ` [PATCH 06/15] names_conflict(): new function, extracted from is_refname_available() mhagger
2012-04-10  5:30 ` mhagger [this message]
2012-04-10  5:30 ` [PATCH 08/15] is_refname_available(): reimplement using do_for_each_ref_in_array() mhagger
2012-04-10  5:30 ` [PATCH 09/15] free_ref_entry(): new function mhagger
2012-04-10  5:30 ` [PATCH 10/15] check_refname_component(): return 0 for zero-length components mhagger
2012-04-10  5:30 ` [PATCH 11/15] struct ref_entry: nest the value part in a union mhagger
2012-04-10  5:30 ` [PATCH 12/15] refs.c: rename ref_array -> ref_dir mhagger
2012-04-10  5:30 ` [PATCH 13/15] sort_ref_dir(): simplify logic mhagger
2012-04-10  5:30 ` [PATCH 14/15] refs: store references hierarchically mhagger
2012-04-10  5:30 ` [PATCH 15/15] do_for_each_ref(): only iterate over the subtree that was requested mhagger
2012-04-12  6:44 ` [PATCH 00/15] Hierarchical reference cache (once again) Jeff King
2012-04-12 15:36   ` Junio C Hamano

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