From 8e4d3d89dece6c3f3236d92b723c7d087fdb0649 Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Wed, 8 Mar 2023 11:08:33 -0600
Subject: [PATCH] Moved 'check_ip_ver' function to easysock.c

---
 easysock.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/easysock.c b/easysock.c
index b167cf5..933308e 100644
--- a/easysock.c
+++ b/easysock.c
@@ -102,3 +102,15 @@ int create_remote (int network,char transport,char* address,int port,struct sock
 	}
         return socket;
 }
+
+
+int check_ip_ver(char* address) {
+        char buffer[16]; /* 16 chars - 128 bits - is enough to hold an ipv6 address */
+        if (inet_pton(AF_INET,address,buffer) == 1) {
+                return 4;
+        } else if (inet_pton(AF_INET6,address,buffer) == 1) {
+                return 6;
+        } else {
+                return -1;
+        }
+}