1 files changed, 4 insertions, 8 deletions

diff --git a/swaybar/tray/watcher.c b/swaybar/tray/watcher.c
index 16afc27c..3cfea8d8 100644
--- a/swaybar/tray/watcher.c
+++ b/swaybar/tray/watcher.c
@@ -1,4 +1,3 @@
-#define _POSIX_C_SOURCE 200809L
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdio.h>
@@ -6,6 +5,7 @@
 #include <string.h>
 #include "list.h"
 #include "log.h"
+#include "stringop.h"
 #include "swaybar/tray/watcher.h"
 
 static const char *obj_path = "/StatusNotifierWatcher";
@@ -76,9 +76,7 @@ static int register_sni(sd_bus_message *msg, void *data, sd_bus_error *error) {
                         service = service_or_path;
                         path = "/StatusNotifierItem";
                 }
-                size_t id_len = snprintf(NULL, 0, "%s%s", service, path) + 1;
-                id = malloc(id_len);
-                snprintf(id, id_len, "%s%s", service, path);
+                id = format_str("%s%s", service, path);
         }
 
         if (list_seq_find(watcher->items, cmp_id, id) == -1) {
@@ -107,7 +105,7 @@ static int register_host(sd_bus_message *msg, void *data, sd_bus_error *error) {
                 sway_log(SWAY_DEBUG, "Registering Status Notifier Host '%s'", service);
                 list_add(watcher->hosts, strdup(service));
                 sd_bus_emit_signal(watcher->bus, obj_path, watcher->interface,
-                                "StatusNotifierHostRegistered", "s", service);
+                                "StatusNotifierHostRegistered", "");
         } else {
                 sway_log(SWAY_DEBUG, "Status Notifier Host '%s' already registered", service);
         }
@@ -159,9 +157,7 @@ struct swaybar_watcher *create_watcher(char *protocol, sd_bus *bus) {
                 return NULL;
         }
 
-        size_t len = snprintf(NULL, 0, "org.%s.StatusNotifierWatcher", protocol) + 1;
-        watcher->interface = malloc(len);
-        snprintf(watcher->interface, len, "org.%s.StatusNotifierWatcher", protocol);
+        watcher->interface = format_str("org.%s.StatusNotifierWatcher", protocol);
 
         sd_bus_slot *signal_slot = NULL, *vtable_slot = NULL;
         int ret = sd_bus_add_object_vtable(bus, &vtable_slot, obj_path,