[PATCH 05/13] gc: fold gc_consumer_new and gc_consumer_delete

[Vladimir Davydov <vdavydov.dev@gmail.com>]

gc_consumer_new is used in one place while gc_consumer_delete is used in
two places, but it's a one-liner. Let's fold them to make the code flow
more straightforward.
---
 src/box/gc.c | 44 ++++++++++++++------------------------------
 1 file changed, 14 insertions(+), 30 deletions(-)

diff --git a/src/box/gc.c b/src/box/gc.c
index 7de50e84..449416b5 100644
--- a/src/box/gc.c
+++ b/src/box/gc.c
@@ -71,31 +71,6 @@ gc_consumer_cmp(const struct gc_consumer *a, const struct gc_consumer *b)
 rb_gen(MAYBE_UNUSED static inline, gc_tree_, gc_tree_t,
        struct gc_consumer, node, gc_consumer_cmp);
 
-/** Allocate a consumer object. */
-static struct gc_consumer *
-gc_consumer_new(const char *name, const struct vclock *vclock,
-		enum gc_consumer_type type)
-{
-	struct gc_consumer *consumer = calloc(1, sizeof(*consumer));
-	if (consumer == NULL) {
-		diag_set(OutOfMemory, sizeof(*consumer),
-			 "malloc", "struct gc_consumer");
-		return NULL;
-	}
-	snprintf(consumer->name, GC_NAME_MAX, "%s", name);
-	vclock_copy(&consumer->vclock, vclock);
-	consumer->type = type;
-	return consumer;
-}
-
-/** Free a consumer object. */
-static void
-gc_consumer_delete(struct gc_consumer *consumer)
-{
-	TRASH(consumer);
-	free(consumer);
-}
-
 void
 gc_init(void)
 {
@@ -114,7 +89,7 @@ gc_free(void)
 		struct gc_consumer *next = gc_tree_next(&gc.consumers,
 							consumer);
 		gc_tree_remove(&gc.consumers, consumer);
-		gc_consumer_delete(consumer);
+		free(consumer);
 		consumer = next;
 	}
 }
@@ -213,9 +188,18 @@ struct gc_consumer *
 gc_consumer_register(const char *name, const struct vclock *vclock,
 		     enum gc_consumer_type type)
 {
-	struct gc_consumer *consumer = gc_consumer_new(name, vclock, type);
-	if (consumer != NULL)
-		gc_tree_insert(&gc.consumers, consumer);
+	struct gc_consumer *consumer = calloc(1, sizeof(*consumer));
+	if (consumer == NULL) {
+		diag_set(OutOfMemory, sizeof(*consumer),
+			 "malloc", "struct gc_consumer");
+		return NULL;
+	}
+
+	snprintf(consumer->name, GC_NAME_MAX, "%s", name);
+	vclock_copy(&consumer->vclock, vclock);
+	consumer->type = type;
+
+	gc_tree_insert(&gc.consumers, consumer);
 	return consumer;
 }
 
@@ -225,7 +209,7 @@ gc_consumer_unregister(struct gc_consumer *consumer)
 	int64_t signature = vclock_sum(&consumer->vclock);
 
 	gc_tree_remove(&gc.consumers, consumer);
-	gc_consumer_delete(consumer);
+	free(consumer);
 
 	/*
 	 * Rerun garbage collection after removing the consumer
-- 
2.11.0