From dfd70608a6a2ea164b18e7874de58ef6fd781cef Mon Sep 17 00:00:00 2001
From: Solegaiter <159629996+Solegaiter@users.noreply.github.com>
Date: Tue, 18 Jun 2024 17:11:12 +0200
Subject: [PATCH] Patch libndp.c

This patches a bug that made it impossible to compile on gentoo musl. This is my first patch.
---
 libndp/libndp.c | 37 +++++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/libndp/libndp.c b/libndp/libndp.c
index 72ec92e..8c57092 100644
--- a/libndp/libndp.c
+++ b/libndp/libndp.c
@@ -200,27 +200,32 @@ static int myrecvfrom6(int sockfd, void *buf, size_t *buflen, int flags,
 }
 
 static int mysendto6(int sockfd, void *buf, size_t buflen, int flags,
-		     struct in6_addr *addr, uint32_t ifindex)
+                     struct in6_addr *addr, uint32_t ifindex)
 {
-	struct sockaddr_in6 sin6;
-	ssize_t ret;
+        struct sockaddr_in6 sin6;
+        ssize_t ret;
+        memset(&sin6, 0, sizeof(sin6));
+
+        memcpy(&sin6.sin6_addr, addr, sizeof(sin6.sin6_addr));
+
+        sin6.sin6_scope_id = ifindex;
 
-	memset(&sin6, 0, sizeof(sin6));
-	memcpy(&sin6.sin6_addr, addr, sizeof(sin6.sin6_addr));
-	sin6.sin6_scope_id = ifindex;
 resend:
-	ret = sendto(sockfd, buf, buflen, flags, &sin6, sizeof(sin6));
-	if (ret == -1) {
-		switch(errno) {
-		case EINTR:
-			goto resend;
-		default:
-			return -errno;
-		}
-	}
-	return 0;
+        ret = sendto(sockfd, buf, buflen, flags, (const struct sockaddr *)&sin6, sizeof(sin6));
+
+        if (ret == -1) {
+                switch(errno) {
+                case EINTR:
+                        goto resend;
+                default:
+                        return -errno;
+                }
+        }
+
+        return 0;
 }
 
+
 static const char *str_in6_addr(struct in6_addr *addr, char buf[static INET6_ADDRSTRLEN])
 {
 	return inet_ntop(AF_INET6, addr, buf, INET6_ADDRSTRLEN);