1 files changed, 1 insertions, 4 deletions

diff --git a/sway/commands/bar.c b/sway/commands/bar.c
index 8571d282..635e895b 100644
--- a/sway/commands/bar.c
+++ b/sway/commands/bar.c
@@ -1,4 +1,3 @@
-#define _POSIX_C_SOURCE 200809
 #include <stdio.h>
 #include <string.h>
 #include <strings.h>
@@ -73,12 +72,10 @@ struct cmd_results *cmd_bar(int argc, char **argv) {
                 }
                 ++argv; --argc;
         } else if (config->reading && !config->current_bar) {
-                int len = snprintf(NULL, 0, "bar-%d", config->bars->length) + 1;
-                id = malloc(len * sizeof(char));
+                id = format_str("bar-%d", config->bars->length);
                 if (!id) {
                         return cmd_results_new(CMD_FAILURE, "Unable to allocate bar id");
                 }
-                snprintf(id, len, "bar-%d", config->bars->length);
         } else if (!config->reading && strcmp(argv[0], "mode") != 0 &&
                         strcmp(argv[0], "hidden_state") != 0) {
                 if (is_subcommand(argv[0])) {