MINOR: uri_auth: add stats_uri_auth_free helper

Let's now leverage stats_uri_auth_free() helper to free uri_auth struct
instead of manually performing the cleanup, which is error-prone.

include/haproxy/uri_auth.h

@@ -33,6 +33,7 @@ struct uri_auth *stats_add_auth(struct uri_auth **root, char *user);
 struct uri_auth *stats_add_scope(struct uri_auth **root, char *scope);
 struct uri_auth *stats_set_node(struct uri_auth **root, char *name);
 struct uri_auth *stats_set_desc(struct uri_auth **root, char *desc);
+void stats_uri_auth_free(struct uri_auth *uri_auth);
 
 #endif /* _HAPROXY_URI_AUTH_H */
 

src/haproxy.c

@@ -3283,35 +3283,9 @@ void deinit(void)
 	proxy_destroy_all_unref_defaults();
 
 	while (ua) {
-		struct stat_scope *scope, *scopep;
-		struct stats_admin_rule *rule, *ruleb;
-
 		uap = ua;
 		ua = ua->next;
-
+		stats_uri_auth_free(uap);
-		free(uap->uri_prefix);
-		free(uap->auth_realm);
-		free(uap->node);
-		free(uap->desc);
-
-		userlist_free(uap->userlist);
-		free_act_rules(&uap->http_req_rules);
-		list_for_each_entry_safe(rule, ruleb, &uap->admin_rules, list) {
-			LIST_DELETE(&rule->list);
-			free_acl_cond(rule->cond);
-			free(rule);
-		}
-
-		scope = uap->scope;
-		while (scope) {
-			scopep = scope;
-			scope = scope->next;
-
-			free(scopep->px_id);
-			free(scopep);
-		}
-
-		free(uap);
 	}
 
 	userlist_free(userlist);

src/uri_auth.c

@@ -13,7 +13,10 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <haproxy/acl.h>
+#include <haproxy/action.h>
 #include <haproxy/api.h>
+#include <haproxy/auth.h>
 #include <haproxy/base64.h>
 #include <haproxy/errors.h>
 #include <haproxy/list.h>
@@ -310,6 +313,35 @@ struct uri_auth *stats_add_scope(struct uri_auth **root, char *scope)
 	return NULL;
 }
 
+void stats_uri_auth_free(struct uri_auth *uri_auth)
+{
+	struct stat_scope *scope, *scopep;
+	struct stats_admin_rule *rule, *ruleb;
+
+	free(uri_auth->uri_prefix);
+	free(uri_auth->auth_realm);
+	free(uri_auth->node);
+	free(uri_auth->desc);
+
+	userlist_free(uri_auth->userlist);
+	free_act_rules(&uri_auth->http_req_rules);
+	list_for_each_entry_safe(rule, ruleb, &uri_auth->admin_rules, list) {
+		LIST_DELETE(&rule->list);
+		free_acl_cond(rule->cond);
+		free(rule);
+	}
+
+	scope = uri_auth->scope;
+	while (scope) {
+		scopep = scope;
+		scope = scope->next;
+		free(scopep->px_id);
+		free(scopep);
+	}
+
+	free(uri_auth);
+}
+
 /*
  * Local variables:
  *  c-indent-level: 8