From 7fb89918f8c1197f27c81d29769d423a092ac27a Mon Sep 17 00:00:00 2001
From: John Jones <jmjatlanta@gmail.com>
Date: Thu, 9 Mar 2017 18:48:00 -0500
Subject: [PATCH] Parsing of IP adresses is now easier

---
 include/multiaddr/multiaddr.h | 12 ++++++------
 multiaddr.c                   | 12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/include/multiaddr/multiaddr.h b/include/multiaddr/multiaddr.h
index fce9162..d03baf1 100644
--- a/include/multiaddr/multiaddr.h
+++ b/include/multiaddr/multiaddr.h
@@ -56,13 +56,13 @@ int multiaddress_encapsulate(struct MultiAddress * result, char * string);
 
 int multiaddress_decapsulate(struct MultiAddress * result, char * srci);
 
-int multiaddress_is_ip(struct MultiAddress* in);
+int multiaddress_is_ip(const struct MultiAddress* in);
 
-int multiaddress_is_ip4(struct MultiAddress* in);
+int multiaddress_is_ip4(const struct MultiAddress* in);
 
-int multiaddress_is_ip6(struct MultiAddress* in);
+int multiaddress_is_ip6(const struct MultiAddress* in);
 
-int multiaddress_get_ip_family(struct MultiAddress* in);
+int multiaddress_get_ip_family(const struct MultiAddress* in);
 
 /***
  * Pulls the textual representation of the IP address from a multihash
@@ -70,7 +70,7 @@ int multiaddress_get_ip_family(struct MultiAddress* in);
  * @param ip where to put the ip address
  * @returns true(1) on success, otherwise 0
  */
-int multiaddress_get_ip_address(struct MultiAddress* in, char** ip);
+int multiaddress_get_ip_address(const struct MultiAddress* in, char** ip);
 
 /***
  * Pulls the IP port from a multiaddress
@@ -78,6 +78,6 @@ int multiaddress_get_ip_address(struct MultiAddress* in, char** ip);
  * @param port where to put the port
  * @returns the port, or a negative number for an error
  */
-int multiaddress_get_ip_port(struct MultiAddress* in);
+int multiaddress_get_ip_port(const struct MultiAddress* in);
 
 #endif
diff --git a/multiaddr.c b/multiaddr.c
index 6cafd20..a6a4ad5 100644
--- a/multiaddr.c
+++ b/multiaddr.c
@@ -83,23 +83,23 @@ struct MultiAddress* multiaddress_new_from_string(const char* straddress)//Const
 	return out;
 }
 
-int multiaddress_is_ip(struct MultiAddress* in) {
+int multiaddress_is_ip(const struct MultiAddress* in) {
 	int byte = in->bytes[0];
 
 	if (byte == 4 || byte == 41)
 		return 1;
 	return 0;
 }
-int multiaddress_is_ip4(struct MultiAddress* in) {
+int multiaddress_is_ip4(const struct MultiAddress* in) {
 	return in->bytes[0] == 4;
 }
 
-int multiaddress_is_ip6(struct MultiAddress* in) {
+int multiaddress_is_ip6(const struct MultiAddress* in) {
 	return in->bytes[0] == 41;
 }
 
 
-int multiaddress_get_ip_family(struct MultiAddress* in) {
+int multiaddress_get_ip_family(const struct MultiAddress* in) {
 	if (in->bytes[0] == 4)
 		return AF_INET;
 	if (in->bytes[0] == 41)
@@ -113,7 +113,7 @@ int multiaddress_get_ip_family(struct MultiAddress* in) {
  * @param ip where to put the ip address
  * @returns true(1) on success, otherwise 0
  */
-int multiaddress_get_ip_address(struct MultiAddress* in, char** ip) {
+int multiaddress_get_ip_address(const struct MultiAddress* in, char** ip) {
 	// the incoming address is not what was expected
 	if (strncmp(in->string, "/ip4/", 5) != 0 && strncmp(in->string, "/ip6/", 5) != 0)
 		return 0;
@@ -138,7 +138,7 @@ int multiaddress_get_ip_address(struct MultiAddress* in, char** ip) {
  * @param port where to put the port
  * @returns the port, or a negative number for an error
  */
-int multiaddress_get_ip_port(struct MultiAddress* in) {
+int multiaddress_get_ip_port(const struct MultiAddress* in) {
 	char* ptr = strstr(in->string, "/tcp/");
 	if (ptr == NULL)
 		ptr = strstr(in->string, "/udp/");