print time when changing period

pomo.c

@@ -1,6 +1,7 @@
 #include <stdio.h> 
 #include <stdlib.h>
 #include <unistd.h>
+#include <time.h>
 
 #define MAX_MSG_LEN 100
 #define LEN(a)  (sizeof(a) / sizeof(a[0]))
@@ -34,6 +35,19 @@ void spawn(char *argv[]){
 	}
 }
 
+void print_time_now(){
+    time_t timer;
+    char buffer[26];
+    struct tm* tm_info;
+
+    timer = time(NULL);
+    tm_info = localtime(&timer);
+
+    strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info);
+    fprintf(stderr, "%s", buffer);
+
+}
+
 void display_message(char *msg){
 		char sh_command[MAX_MSG_LEN];
 		snprintf(sh_command, MAX_MSG_LEN, "echo '%s' | sent", msg); // NOLINT: We are being carefull here by considering MAX_MSG_LEN explicitly.
@@ -45,7 +59,8 @@ void display_message(char *msg){
 			NULL
 		};
 		spawn(spawn_args);
-		// fprintf(stderr, "%s\n", msg);
+		print_time_now();
+		fprintf(stderr, " | %s\n", msg);
 }
 
 int main(int argc, char *argv[]){