[WIP/PATCH v5 10/10] ref-filter: make 'ref_array_item' use a FLEX_ARRAY for refname

[Karthik Nayak <karthik.188@xxxxxxxxx>]

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

Mentored-by: Christian Couder <christian.couder@xxxxxxxxx>
Mentored-by: Matthieu Moy <matthieu.moy@xxxxxxxxxxxxxxx>
Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
---
 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 c32b86f..1bd1a28 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -831,8 +831,10 @@ 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;
 
@@ -873,7 +875,6 @@ static int ref_filter_handler(const char *refname, const unsigned char *sha1, in
 static void free_array_item(struct ref_array_item *item)
 {
 	free(item->symref);
-	free(item->refname);
 	free(item);
 }
 
diff --git a/ref-filter.h b/ref-filter.h
index 15e6766..041a39a 100644
--- a/ref-filter.h
+++ b/ref-filter.h
@@ -29,7 +29,7 @@ struct ref_array_item {
 	int flag;
 	char *symref;
 	struct atom_value *value;
-	char *refname;
+	char refname[FLEX_ARRAY];
 };
 
 struct ref_array {
-- 
2.4.2

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