1 files changed, 4 insertions, 11 deletions

diff --git a/sway/swaynag.c b/sway/swaynag.c
index 4a0a6d30..bc5e23ea 100644
--- a/sway/swaynag.c
+++ b/sway/swaynag.c
@@ -1,4 +1,3 @@
-#define _POSIX_C_SOURCE 200809L
 #include <signal.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -145,22 +144,16 @@ void swaynag_log(const char *swaynag_command, struct swaynag_instance *swaynag,
 
         va_list args;
         va_start(args, fmt);
-        size_t length = vsnprintf(NULL, 0, fmt, args) + 1;
+        char *str = vformat_str(fmt, args);
         va_end(args);
-
-        char *temp = malloc(length + 1);
-        if (!temp) {
+        if (!str) {
                 sway_log(SWAY_ERROR, "Failed to allocate buffer for swaynag log entry.");
                 return;
         }
 
-        va_start(args, fmt);
-        vsnprintf(temp, length, fmt, args);
-        va_end(args);
-
-        write(swaynag->fd[1], temp, length);
+        write(swaynag->fd[1], str, strlen(str));
 
-        free(temp);
+        free(str);
 }
 
 void swaynag_show(struct swaynag_instance *swaynag) {