From 44098f9b18d03906efe255884d3321755cab164d Mon Sep 17 00:00:00 2001
From: KubaPro010 <kuba.pro010@gmail.com>
Date: Sun, 3 May 2026 17:18:23 +0200
Subject: [PATCH] fix again

---
 src/fm95.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/fm95.c b/src/fm95.c
index fe3383a..43f9d84 100644
--- a/src/fm95.c
+++ b/src/fm95.c
@@ -458,6 +458,9 @@ void init_runtime(FM95_Runtime* runtime, const FM95_Config config) {
 }
 
 #define BUF_SIZE 256
+#define PREFIX "ECHO: "
+#define PREFIX_LEN  6
+
 static void *handle_client(void *arg) {
     int fd = *(int *)arg;
     free(arg);
@@ -469,8 +472,8 @@ static void *handle_client(void *arg) {
         buf[n] = '\0';
         printf("[client fd=%d] %s\n", fd, buf);
 
-        char reply[BUF_SIZE];
-        snprintf(reply, sizeof(reply), "ECHO: %s", buf);
+        char reply[BUF_SIZE + PREFIX_LEN];
+        snprintf(reply, sizeof(reply), PREFIX "%s", buf);
         send(fd, reply, strlen(reply), 0);
     }