[PATCH v6 02/11] for-each-ref: clean up code

[Karthik Nayak <karthik.188@gmail.com>]

In 'grab_single_ref()' remove the extra count variable 'cnt' and
use the variable 'grab_cnt' of structure 'grab_ref_cbdata' directly
instead.

Change comment in 'struct ref_sort' to reflect changes in code.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
---
 builtin/for-each-ref.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index f939fd3..406de88 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -27,7 +27,7 @@ struct atom_value {
 
 struct ref_sort {
 	struct ref_sort *next;
-	int atom; /* index into used_atom array */
+	int atom; /* index into 'struct atom_value *' array */
 	unsigned reverse : 1;
 };
 
@@ -896,7 +896,6 @@ 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);
@@ -913,10 +912,8 @@ 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;
 }
 
-- 
2.4.2