poll: suppress a warning

* lib/poll.c: Use #pragma GCC diagnostic ignored "-Wtype-limits"
to ignore "...unsigned expression < 0 is always false" warnings.

diff --git a/ChangeLog b/ChangeLog
index f07972b..9683602 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-01-16  Jim Meyering  <meyering@redhat.com>
+
+       poll: suppress a warning
+       * lib/poll.c: Use #pragma GCC diagnostic ignored "-Wtype-limits"
+       to ignore "...unsigned expression < 0 is always false" warnings.
+
 2009-01-16  Daniel P. Berrange  <berrange@redhat.com>
 
        poll: remove declarations of unused variables

diff --git a/lib/poll.c b/lib/poll.c
index bc7721c..ed76098 100644 (file)
--- a/lib/poll.c
+++ b/lib/poll.c
@@ -19,6 +19,11 @@
    with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+/* Tell gcc not to warn about the (nfd < 0) tests, below.  */
+#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
+# pragma GCC diagnostic ignored "-Wtype-limits"
+#endif
+
 #include <config.h>
 #include <alloca.h>