You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* Written by Jim Meyering and Pádraig Brady. */
+/* Written by Jim Meyering, Eric Blake and Pádraig Brady. */
/* Use "ignore_value" to avoid a warning when using a function declared with
gcc's warn_unused_result attribute, but for which you really do want to
#ifndef _GL_IGNORE_VALUE_H
# define _GL_IGNORE_VALUE_H
-# include <stdint.h>
-
-# ifndef ATTRIBUTE_DEPRECATED
+# ifndef _GL_ATTRIBUTE_DEPRECATED
/* The __attribute__((__deprecated__)) feature
is available in gcc versions 3.1 and newer. */
# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 1)
-# define ATTRIBUTE_DEPRECATED /* empty */
+# define _GL_ATTRIBUTE_DEPRECATED /* empty */
# else
-# define ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__))
+# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__))
# endif
# endif
-# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 1)
+/* The __attribute__((__warn_unused_result__)) feature
+ is available in gcc versions 3.4 and newer,
+ while the typeof feature has been available since 2.7 at least. */
+# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
# define ignore_value(x) ((void) (x))
# else
# define ignore_value(x) (({ __typeof__ (x) __x = (x); (void) __x; }))
# endif
-/* ignore_value works for both scalars and pointers; deprecate ignore_ptr. */
-static inline void ATTRIBUTE_DEPRECATED
+/* ignore_value works for scalars, pointers and aggregates;
+ deprecate ignore_ptr. */
+static inline void _GL_ATTRIBUTE_DEPRECATED
ignore_ptr (void *p) { (void) p; } /* deprecated: use ignore_value */
#endif