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-rw-r--r--ChangeLog6
-rw-r--r--resolv/res_send.c40
2 files changed, 27 insertions, 19 deletions
diff --git a/ChangeLog b/ChangeLog
index 704e240fdd..2b1560950f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-04-09 Florian Weimer <fweimer@redhat.com>
+
+ [BZ #23037]
+ * resolv/res_send.c (send_dg): Use designated initializers instead
+ of assignment to zero-initialize other fields of struct mmsghdr.
+
2018-04-06 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/posix/readdir.c (__READDIR, __GETDENTS, DIRENTY_TYPE,
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 7debf143f7..9e9541789b 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -1157,25 +1157,27 @@ send_dg(res_state statp,
if (have_sendmmsg >= 0 && nwritten == 0 && buf2 != NULL
&& !single_request)
{
- struct iovec iov[2];
- struct mmsghdr reqs[2];
- reqs[0].msg_hdr.msg_name = NULL;
- reqs[0].msg_hdr.msg_namelen = 0;
- reqs[0].msg_hdr.msg_iov = &iov[0];
- reqs[0].msg_hdr.msg_iovlen = 1;
- iov[0].iov_base = (void *) buf;
- iov[0].iov_len = buflen;
- reqs[0].msg_hdr.msg_control = NULL;
- reqs[0].msg_hdr.msg_controllen = 0;
-
- reqs[1].msg_hdr.msg_name = NULL;
- reqs[1].msg_hdr.msg_namelen = 0;
- reqs[1].msg_hdr.msg_iov = &iov[1];
- reqs[1].msg_hdr.msg_iovlen = 1;
- iov[1].iov_base = (void *) buf2;
- iov[1].iov_len = buflen2;
- reqs[1].msg_hdr.msg_control = NULL;
- reqs[1].msg_hdr.msg_controllen = 0;
+ struct iovec iov =
+ { .iov_base = (void *) buf, .iov_len = buflen };
+ struct iovec iov2 =
+ { .iov_base = (void *) buf2, .iov_len = buflen2 };
+ struct mmsghdr reqs[2] =
+ {
+ {
+ .msg_hdr =
+ {
+ .msg_iov = &iov,
+ .msg_iovlen = 1,
+ },
+ },
+ {
+ .msg_hdr =
+ {
+ .msg_iov = &iov2,
+ .msg_iovlen = 1,
+ }
+ },
+ };
int ndg = __sendmmsg (pfd[0].fd, reqs, 2, MSG_NOSIGNAL);
if (__glibc_likely (ndg == 2))