for-each-ref: clean up code

KarthikNayak · gitster · commit fc80edcae1cd · 2015-06-15T11:48:08.000-07:00
In 'grab_single_ref()' remove the extra count variable 'cnt' and
use the variable 'grab_cnt' of structure 'grab_ref_cbdata' directly
instead.

Mentored-by: Christian Couder &lt;christian.couder@gmail.com&gt;
Mentored-by: Matthieu Moy &lt;matthieu.moy@grenoble-inp.fr&gt;
Signed-off-by: Karthik Nayak &lt;karthik.188@gmail.com&gt;
Reviewed-by: Matthieu Moy &lt;Matthieu.Moy@imag.fr&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
@@ -897,7 +897,6 @@ static int grab_single_ref(const char *refname, const struct object_id *oid,
 {
 	struct grab_ref_cbdata *cb = cb_data;
 	struct refinfo *ref;
-	int cnt;
 
 	if (flag & REF_BAD_NAME) {
 		  warning("ignoring ref with broken name %s", refname);
@@ -914,10 +913,8 @@ static int grab_single_ref(const char *refname, const struct object_id *oid,
 	 */
 	ref = new_refinfo(refname, oid->hash, flag);
 
-	cnt = cb->grab_cnt;
-	REALLOC_ARRAY(cb->grab_array, cnt + 1);
-	cb->grab_array[cnt++] = ref;
-	cb->grab_cnt = cnt;
+	REALLOC_ARRAY(cb->grab_array, cb->grab_cnt + 1);
+	cb->grab_array[cb->grab_cnt++] = ref;
 	return 0;
 }
 
