main/lxdm: fix 64-bit musl build

use designed initializer for msghdr since it contains __pad members
on musl/64-bit.

1 files changed, 40 insertions, 0 deletions

diff --git a/main/lxdm/fix-msghdr-usage.patch b/main/lxdm/fix-msghdr-usage.patch
new file mode 100644
index 0000000000..7840c59b12
--- /dev/null
+++ b/main/lxdm/fix-msghdr-usage.patch
@@ -0,0 +1,40 @@
+diff -ru lxdm-0.5.0.orig/src/lxcom.c lxdm-0.5.0/src/lxcom.c
+--- lxdm-0.5.0.orig/src/lxcom.c	2013-10-04 10:40:08.000000000 -0300
++++ lxdm-0.5.0/src/lxcom.c	2014-07-18 11:21:22.734631159 -0300
+@@ -116,12 +116,20 @@
+ 	char buf[4096];
+ 	char ctrl[/*CMSG_SPACE(sizeof(LXDM_CRED))*/1024];
+ 	struct sockaddr_un peer;
+-	struct iovec v={buf,sizeof(buf)};
+-	struct msghdr h={&peer,sizeof(peer),&v,1,ctrl,sizeof(ctrl),0};
+ 	struct cmsghdr *cmptr;
+ 	int ret;
+ 
+-	while(1)
++	while (1)
+ 	{
++		struct iovec v={buf,sizeof(buf)};
++		struct msghdr h={
++			.msg_name = &peer,
++			.msg_namelen = sizeof(peer),
++			.msg_iov = &v,
++			.msg_iovlen = 1,
++			.msg_control = ctrl,
++			.msg_controllen = sizeof(ctrl)
++		};
++
+ 		peer.sun_family=0;
+ 		ret=recvmsg(self_server_fd,&h,0);
+ 
+@@ -315,7 +323,10 @@
+ static ssize_t lxcom_write(int s,const void *buf,size_t count)
+ {
+ 	struct iovec iov[1] ={{(void*)buf,count,}};
+-	struct msghdr msg = { 0, 0, iov, 1, 0, 0, 0 };
++	struct msghdr msg = {
++		.msg_iov = iov,
++		.msg_iovlen = 1
++	};
+ #if !defined(linux) && !defined(__NetBSD__)
+ 
+ #if defined(__sun)