diff options
Diffstat (limited to 'libxcb/src/xcb_conn.c')
| -rw-r--r-- | libxcb/src/xcb_conn.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libxcb/src/xcb_conn.c b/libxcb/src/xcb_conn.c index 3655725e2..72c4af7c2 100644 --- a/libxcb/src/xcb_conn.c +++ b/libxcb/src/xcb_conn.c @@ -237,13 +237,16 @@ 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; |