[PATCH v8 11/11] ref-filter: make 'ref_array_item' use a FLEX_ARRAY for refname

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

This would remove the need of using a pointer to store refname.

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>
---
 ref-filter.c | 7 ++++---
 ref-filter.h | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/ref-filter.c b/ref-filter.c
index a1151e0..43502a4 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -847,8 +847,10 @@ static struct ref_array_item *new_ref_array_item(const char *refname,
 						 const unsigned char *objectname,
 						 int flag)
 {
-	struct ref_array_item *ref = xcalloc(1, sizeof(struct ref_array_item));
-	ref->refname = xstrdup(refname);
+	size_t len = strlen(refname);
+	struct ref_array_item *ref = xcalloc(1, sizeof(struct ref_array_item) + len + 1);
+	memcpy(ref->refname, refname, len);
+	ref->refname[len] = '\0';
 	hashcpy(ref->objectname, objectname);
 	ref->flag = flag;
 
@@ -889,7 +891,6 @@ static int ref_filter_handler(const char *refname, const struct object_id *oid,
 static void free_array_item(struct ref_array_item *item)
 {
 	free((char *)item->symref);
-	free(item->refname);
 	free(item);
 }
 
diff --git a/ref-filter.h b/ref-filter.h
index 697b609..6997984 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -32,7 +32,7 @@ struct ref_array_item {
 	int flag;
 	const char *symref;
 	struct atom_value *value;
-	char *refname;
+	char refname[FLEX_ARRAY];
 };
 
 struct ref_array {
-- 
2.4.3.435.g2403634.dirty