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-rw-r--r--include/unused.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/unused.h b/include/unused.h
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--- /dev/null
+++ b/include/unused.h
@@ -0,0 +1,15 @@
+#ifndef UNUSED_H
+#define UNUSED_H
+
+/* http://sourcefrog.net/weblog/software/languages/C/unused.html */
+
+#ifdef UNUSED
+#elif defined(__GNUC__)
+# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
+#elif defined(__LCLINT__)
+# define UNUSED(x) /*@unused@*/ x
+#else
+# define UNUSED(x) x
+#endif
+
+#endif