X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_conn.c;h=46390e1dabb5ef40c6e7180561b85d67b97ce7bd;hb=c7c5b710f2cc0782412c9e159986c96b52aa0d02;hp=50e7fb60422daa3d6d39385951e3e952199c6003;hpb=e8663a935890ff366f49e356211049dfd0d9756a;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_conn.c b/src/xcb_conn.c
index 50e7fb6..46390e1 100644
--- a/src/xcb_conn.c
+++ b/src/xcb_conn.c
@@ -216,13 +216,16 @@ static int write_vec(xcb_connection_t *c, struct iovec **vector, int *count)
 
 #if HAVE_SENDMSG
     if (c->out.out_fd.nfd) {
-        char cmsgbuf[CMSG_SPACE(sizeof(int) * XCB_MAX_PASS_FD)];
+        union {
+            struct cmsghdr cmsghdr;
+            char buf[CMSG_SPACE(XCB_MAX_PASS_FD * sizeof(int))];
+        } cmsgbuf;
         struct msghdr msg = {
             .msg_name = NULL,
             .msg_namelen = 0,
             .msg_iov = *vector,
             .msg_iovlen = n,
-            .msg_control = cmsgbuf,
+            .msg_control = cmsgbuf.buf,
             .msg_controllen = CMSG_LEN(c->out.out_fd.nfd * sizeof (int)),
         };
         int i;