Add errno print on server failure

server/http_server.c

@@ -4,6 +4,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/socket.h>
 #include <unistd.h>
 
@@ -17,6 +18,9 @@ int main(int argc, char* argv[]) {
         printf("%s", PORT_ERROR);
     }
     struct server_info info = setup(port_num);
+    if (info.status == STATUS_ERROR) {
+        printf("%s\n", strerror(errno));
+    }
     serve_one_request(info.sock_fd);
     shutdown(info.sock_fd, SHUT_RDWR);
     close(info.sock_fd);