plan9port

commit 96898a81415df2368dfdbcf2b756982ba420a94f
parent 0c9c620f39e56c42802504003fd05664aba670a4
Author: Russ Cox <rsc@swtch.com>
Date:   Wed, 10 Mar 2010 14:59:03 -0800

more type-punned pointers

R=rsc
http://codereview.appspot.com/376045

Diffstat:
M
src/lib9/sendfd.c
 | 
2
+-
M
src/libip/udp.c
 | 
4
++--

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/lib9/sendfd.c b/src/lib9/sendfd.c
@@ -83,6 +83,6 @@ recvfd(int s)
 		return -1;
 	}
 	cmsg = CMSG_FIRSTHDR(&msg);
-	fd = *(int*)CMSG_DATA(cmsg);
+	memmove(&fd, CMSG_DATA(cmsg), sizeof(int));
 	return fd;
 }
diff --git a/src/libip/udp.c b/src/libip/udp.c
@@ -46,8 +46,8 @@ udpwrite(int fd, Udphdr *hdr, void *buf, long n)
 
 	memset(&sin, 0, sizeof sin);
 	sin.sin_family = AF_INET;
-	*(u32int*)&sin.sin_addr = *(u32int*)(hdr->raddr+12);
-	*(u16int*)&sin.sin_port = *(u16int*)hdr->rport;
+	memmove(&sin.sin_addr, hdr->raddr+12, 4);
+	memmove(&sin.sin_port, hdr->rport, 2);
 	return sendto(fd, buf, n, 0, (struct sockaddr*)&sin, sizeof sin);
 }