tmore type-punned pointers - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
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---
DIR commit 96898a81415df2368dfdbcf2b756982ba420a94f
DIR parent 0c9c620f39e56c42802504003fd05664aba670a4
HTML 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(-)
---
DIR diff --git a/src/lib9/sendfd.c b/src/lib9/sendfd.c
t@@ -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;
}
DIR diff --git a/src/libip/udp.c b/src/libip/udp.c
t@@ -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);
}