Revert "Add braces in initializers for GCC 4.9 or older"

This reverts commit 8aa2a9e.

as not all targets need braces.

misc/tst-preadvwritev2-common.c

@@ -97,7 +97,7 @@ do_test_with_invalid_iov (void)
   {
     /* An invalid iovec buffer should trigger an invalid memory access
        or an error (Linux for instance returns EFAULT).  */
-    struct iovec iov[IOV_MAX+1] = { { 0 } };
+    struct iovec iov[IOV_MAX+1] = { 0 };
 
     TEST_VERIFY (preadv2 (temp_fd, iov, IOV_MAX + 1, 0, RWF_HIPRI) == -1);
     TEST_VERIFY (errno == EINVAL || errno == ENOTSUP);

nss/getaddrinfo.c

@@ -1132,7 +1132,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	   unsigned int *naddrs, struct scratch_buffer *tmpbuf)
 {
   struct gaih_servtuple st[sizeof (gaih_inet_typeproto)
-			   / sizeof (struct gaih_typeproto)] = {{0}};
+			   / sizeof (struct gaih_typeproto)] = {0};
 
   const char *orig_name = name;
 

posix/tst-spawn7.c

@@ -114,7 +114,7 @@ do_test_signals (void)
   {
     /* Same as before, but set SIGUSR1 and SIGUSR2 to a handler different than
        SIG_IGN or SIG_DFL.  */
-    struct sigaction sa = { { 0 } };
+    struct sigaction sa = { 0 };
     sa.sa_handler = dummy_sa_handler;
     xsigaction (SIGUSR1, &sa, NULL);
     xsigaction (SIGUSR2, &sa, NULL);
@@ -123,7 +123,7 @@ do_test_signals (void)
 
   {
     /* Check if SIG_IGN is keep as is.  */
-    struct sigaction sa = { { 0 } };
+    struct sigaction sa = { 0 };
     sa.sa_handler = SIG_IGN;
     xsigaction (SIGUSR1, &sa, NULL);
     xsigaction (SIGUSR2, &sa, NULL);

rt/tst-timer-sigmask.c

@@ -57,7 +57,7 @@ thread_handler (union sigval sv)
 static int
 do_test (void)
 {
-  struct sigevent sev = { { 0 } };
+  struct sigevent sev = { 0 };
   sev.sigev_notify = SIGEV_THREAD;
   sev.sigev_notify_function = &thread_handler;
 
@@ -66,7 +66,7 @@ do_test (void)
 
   xpthread_barrier_init (&barrier, NULL, 2);
 
-  struct itimerspec trigger = { { 0 } };
+  struct itimerspec trigger = { 0 };
   trigger.it_value.tv_nsec = 1000000;
   TEST_COMPARE (timer_settime (timerid, 0, &trigger, NULL), 0);
 

stdlib/tst-system.c

@@ -80,7 +80,7 @@ sleep_and_check_sigchld (void *closure)
   sprintf (cmd, "sleep %lf" , *seconds);
   TEST_COMPARE (system (cmd), 0);
 
-  sigset_t blocked = {{0}};
+  sigset_t blocked = {0};
   TEST_COMPARE (sigprocmask (SIG_BLOCK, NULL, &blocked), 0);
   TEST_COMPARE (sigismember (&blocked, SIGCHLD), 0);
   return NULL;

sysdeps/pthread/tst-cancel28.c

@@ -52,7 +52,7 @@ thread_handler (union sigval sv)
 static int
 do_test (void)
 {
-  struct sigevent sev = { { 0 } };
+  struct sigevent sev = { 0 };
   sev.sigev_notify = SIGEV_THREAD;
   sev.sigev_notify_function = &thread_handler;
 
@@ -61,7 +61,7 @@ do_test (void)
 
   xpthread_barrier_init (&barrier, NULL, 2);
 
-  struct itimerspec trigger = { { 0 } };
+  struct itimerspec trigger = { 0 };
   trigger.it_value.tv_nsec = 1000000;
   TEST_COMPARE (timer_settime (timerid, 0, &trigger, NULL), 0);
 

sysdeps/unix/sysv/linux/tst-getcwd-smallbuff.c

@@ -59,7 +59,7 @@ send_fd (const int sock, const int fd)
     {
       struct cmsghdr hdr;
       char buf[CMSG_SPACE (sizeof (int))];
-    } cmsgbuf = {{0}};
+    } cmsgbuf = {0};
   struct cmsghdr *cmsg;
   struct iovec vec;
   char ch = 'A';
@@ -92,7 +92,7 @@ recv_fd (const int sock)
     {
       struct cmsghdr hdr;
       char buf[CMSG_SPACE(sizeof(int))];
-    } cmsgbuf = {{0}};
+    } cmsgbuf = {0};
   struct cmsghdr *cmsg;
   struct iovec vec;
   ssize_t n;

sysdeps/unix/sysv/linux/tst-socket-timestamp-compat.c

@@ -76,7 +76,7 @@ do_recvmsg_ancillary (bool use_multi_call, struct mmsghdr *mmhdr,
 static void
 do_test_large_buffer (bool mc)
 {
-  struct mmsghdr mmhdr = { { 0 } };
+  struct mmsghdr mmhdr = { 0 };
   /* It should be large enough for either timeval/timespec and the
      64 time type as well.  */
 
@@ -147,7 +147,7 @@ do_test_large_buffer (bool mc)
 static void
 do_test_small_buffer (bool mc)
 {
-  struct mmsghdr mmhdr = { { 0 } };
+  struct mmsghdr mmhdr = { 0 };
 
   /* Enable 32 bit timeval precision and check if no 64 bit timeval stamp
      is created.  */

time/tst-itimer.c

@@ -62,8 +62,7 @@ do_test (void)
       it.it_interval.tv_usec = 20;
       TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
 
-      TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { { 0 } },
-			       &it_old),
+      TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 }, &it_old),
 		    0);
       /* ITIMER_REAL returns { 0, 0 } for single-shot timers, while
 	 other timers returns setitimer value.  */
@@ -88,8 +87,7 @@ do_test (void)
       it.it_value.tv_usec = 40;
       TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
 
-      TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { { 0 } },
-			       &it_old),
+      TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 }, &it_old),
 		    0);
       TEST_COMPARE (it.it_interval.tv_sec, it_old.it_interval.tv_sec);
       if (timers[i] == ITIMER_REAL)
@@ -109,7 +107,7 @@ do_test (void)
       if (support_itimer_support_time64())
 	{
 	  TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
-	  TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { { 0 } },
+	  TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 },
 				   &it_old),
 			0);
 	  /* ITIMER_REAL returns { 0, 0 } for single-sort timers, while other
@@ -136,7 +134,7 @@ do_test (void)
 	{
 	  TEST_COMPARE (setitimer (timers[i], &it, NULL), 0);
 
-	  TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { { 0 } },
+	  TEST_COMPARE (setitimer (timers[i], &(struct itimerval) { 0 },
 				   &it_old),
 			0);
 	  if (timers[i] == ITIMER_REAL)
@@ -171,8 +169,7 @@ do_test (void)
   TEST_COMPARE (setitimer (ITIMER_REAL, &it, NULL), 0);
   intr_sleep (1);
   TEST_COMPARE (cnt, 3);
-  TEST_COMPARE (setitimer (ITIMER_REAL, &(struct itimerval) { { 0 } },
-			   NULL), 0);
+  TEST_COMPARE (setitimer (ITIMER_REAL, &(struct itimerval) { 0 }, NULL), 0);
 
   return 0;
 }