ipc: Fix strict aliasing warnings

Turned out to be as simple as just using memcpy.

As with all strict aliasing warnings, these only appeared when
compiling with optimization, and might have caused Bad Things™

This page is cool:

http://dbp-consulting.com/tutorials/StrictAliasing.html

1 files changed, 2 insertions, 2 deletions

diff --git a/ipc.c b/ipc.c
index 4041f442..304a8ef2 100644
--- a/ipc.c
+++ b/ipc.c
@@ -589,7 +589,7 @@ static char *ipc_readline(int fd, int *recv_fd)
 					close(*recv_fd);
 				}
 
-				*recv_fd = *(int *) CMSG_DATA(cmsg);
+				memcpy(recv_fd, CMSG_DATA(cmsg), sizeof(int));
 				/*
 				fprintf( stderr, "pid %d received fd %d\n", (int) getpid(), *recv_fd );
 				*/
@@ -757,7 +757,7 @@ static gboolean ipc_send_fd(int fd, int send_fd)
 	cmsg->cmsg_level = SOL_SOCKET;
 	cmsg->cmsg_type = SCM_RIGHTS;
 	cmsg->cmsg_len = CMSG_LEN(sizeof(send_fd));
-	*(int *) CMSG_DATA(cmsg) = send_fd;
+	memcpy(CMSG_DATA(cmsg), &send_fd, sizeof(int));
 	msg.msg_controllen = cmsg->cmsg_len;
 #endif