1 files changed, 10 insertions, 0 deletions
diff --git a/util.c b/util.c
index c8c8c70..99dafdc 100644
--- a/util.c
+++ b/util.c
@@ -2,6 +2,16 @@
 #include <arpa/inet.h>
 #include <stdlib.h>
 
+#include <stdio.h>
+#include <errno.h>
+
 uint16_t inet_atop(const char *port) {
 	return htons(atoi(port));
 }
+
+void herr(int output, const char* funcName) {
+	if (output < 0) {
+		perror(funcName);
+		exit(errno);
+	}
+}