From b3fd60e6407b3af029672218b0bff7bb30e7a9d9 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Thu, 30 Dec 2021 12:20:42 +0800
Subject: Add ping check (-p). Support custom error handling command (-c). Add
 runtime params validation for logging.

---
 validate.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 validate.h

(limited to 'validate.h')

diff --git a/validate.h b/validate.h
new file mode 100644
index 0000000..f09a820
--- /dev/null
+++ b/validate.h
@@ -0,0 +1,18 @@
+//
+// Created by Keuin on 2021/12/30.
+//
+
+#ifndef NETMON_VALIDATE_H
+#define NETMON_VALIDATE_H
+
+#include <stdlib.h>
+
+int is_valid_ipv4(const char *s);
+
+#define NOTNULL(ptr) do { \
+                          if ((ptr) == NULL) { \
+                           fprintf(stderr, "NotNull check failed: "#ptr " is null. (" __FILE__ ":%d)\n", __LINE__); \
+                           abort(); \
+                     } } while(0)
+
+#endif //NETMON_VALIDATE_H
-- 
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