From 4059fe10c18e7ea7309198741f18cf71c6afc911 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 25 Jun 2014 10:00:25 +0200
Subject: [PATCH] mdns: remove dependencies on asm/byteorder.h, fix constant
 endian swap initialization

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
 cache.c     |  1 -
 dns.c       | 29 +++++++++++++----------------
 interface.c |  7 +++----
 main.c      |  1 -
 4 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/cache.c b/cache.c
index 927b9cf..adfc815 100644
--- a/cache.c
+++ b/cache.c
@@ -24,7 +24,6 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include <asm/byteorder.h>
 #include <arpa/nameser.h>
 #include <resolv.h>
 #include <time.h>
diff --git a/dns.c b/dns.c
index fc93f4a..ebef9ce 100644
--- a/dns.c
+++ b/dns.c
@@ -22,7 +22,6 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include <asm/byteorder.h>
 #include <arpa/nameser.h>
 #include <resolv.h>
 #include <stdlib.h>
@@ -69,12 +68,8 @@ dns_type_string(uint16_t type)
 void
 dns_send_question(struct interface *iface, const char *question, int type)
 {
-	static struct dns_header h = {
-		.questions = cpu_to_be16(1),
-	};
-	static struct dns_question q = {
-		.class = cpu_to_be16(1),
-	};
+	static struct dns_header h;
+	static struct dns_question q;
 	static struct iovec iov[] = {
 		{
 			.iov_base = &h,
@@ -90,7 +85,9 @@ dns_send_question(struct interface *iface, const char *question, int type)
 	};
 	int len;
 
-	q.type = __cpu_to_be16(type);
+	h.questions = cpu_to_be16(1);
+	q.class = cpu_to_be16(1);
+	q.type = cpu_to_be16(type);
 
 	len = dn_comp(question, (void *) name_buffer, sizeof(name_buffer), NULL, NULL);
 	if (len < 1)
@@ -152,8 +149,8 @@ dns_send_answer(struct interface *iface, const char *answer)
 	if (!dns_answer_cnt)
 		return;
 
-	h.answers = __cpu_to_be16(dns_answer_cnt);
-	h.flags = __cpu_to_be16(0x8400);
+	h.answers = cpu_to_be16(dns_answer_cnt);
+	h.flags = cpu_to_be16(0x8400);
 
 	iov = alloca(sizeof(struct iovec) * ((dns_answer_cnt * 2) + 1));
 
@@ -216,7 +213,7 @@ dns_consume_header(uint8_t **data, int *len)
 		return NULL;
 
 	while (endianess--) {
-		*swap = __be16_to_cpu(*swap);
+		*swap = be16_to_cpu(*swap);
 		swap++;
 	}
 
@@ -237,7 +234,7 @@ dns_consume_question(uint8_t **data, int *len)
 		return NULL;
 
 	while (endianess--) {
-		*swap = __be16_to_cpu(*swap);
+		*swap = be16_to_cpu(*swap);
 		swap++;
 	}
 
@@ -255,10 +252,10 @@ dns_consume_answer(uint8_t **data, int *len)
 	if (*len < sizeof(struct dns_answer))
 		return NULL;
 
-	a->type = __be16_to_cpu(a->type);
-	a->class = __be16_to_cpu(a->class);
-	a->ttl = __be32_to_cpu(a->ttl);
-	a->rdlength = __be16_to_cpu(a->rdlength);
+	a->type = be16_to_cpu(a->type);
+	a->class = be16_to_cpu(a->class);
+	a->ttl = be32_to_cpu(a->ttl);
+	a->rdlength = be16_to_cpu(a->rdlength);
 
 	*len -= sizeof(struct dns_answer);
 	*data += sizeof(struct dns_answer);
diff --git a/interface.c b/interface.c
index bcd6f13..712d3c5 100644
--- a/interface.c
+++ b/interface.c
@@ -40,10 +40,7 @@ int
 interface_send_packet(struct interface *iface, struct iovec *iov, int iov_len)
 {
 	static size_t cmsg_data[( CMSG_SPACE(sizeof(struct in_pktinfo)) / sizeof(size_t)) + 1];
-	static struct sockaddr_in a = {
-		.sin_family = AF_INET,
-		.sin_port = htons(MCAST_PORT),
-	};
+	static struct sockaddr_in a;
 	static struct msghdr m = {
 		.msg_name = (struct sockaddr *) &a,
 		.msg_namelen = sizeof(a),
@@ -54,6 +51,8 @@ interface_send_packet(struct interface *iface, struct iovec *iov, int iov_len)
 	struct cmsghdr *cmsg;
 	int fd = iface->fd.fd;
 
+	a.sin_family = AF_INET;
+	a.sin_port = htons(MCAST_PORT);
 	m.msg_iov = iov;
 	m.msg_iovlen = iov_len;
 
diff --git a/main.c b/main.c
index 11eb42d..383eb9c 100644
--- a/main.c
+++ b/main.c
@@ -25,7 +25,6 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/nameser.h>
-#include <asm/byteorder.h>
 
 #include <libubus.h>
 #include <libubox/uloop.h>
-- 
2.25.1