From: Jeff King <peff@peff.net>
Date: Fri, 26 May 2017 19:07:42 +0000 (-0400)
Subject: check_filename(): use skip_prefix
X-Git-Tag: v2.14.0-rc0~89^2~3
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/d51c6ee0d4bbeaf28bcd6c5f1681d208ee75763d?hp=--cc

check_filename(): use skip_prefix

This avoids some magic numbers (and we'll be adding more
similar calls in a minute).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

d51c6ee0d4bbeaf28bcd6c5f1681d208ee75763d
diff --git a/setup.c b/setup.c
index 000ffa810e..f2a8070bd4 100644
--- a/setup.c
+++ b/setup.c
@@ -137,10 +137,9 @@ int check_filename(const char *prefix, const char *arg)
 	char *to_free = NULL;
 	struct stat st;
 
-	if (starts_with(arg, ":/")) {
-		if (arg[2] == '\0') /* ":/" is root dir, always exists */
+	if (skip_prefix(arg, ":/", &arg)) {
+		if (!*arg) /* ":/" is root dir, always exists */
 			return 1;
-		arg += 2;
 		prefix = NULL;
 	}