1 files changed, 13 insertions, 0 deletions
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..0eb8c19
--- /dev/null
+++ b/util.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <signal.h> /* for sig_atomic_t */
+#include <string.h> /* for memset(3) */
+
+#define UNUSED __attribute__((__unused__))
+#define ZERO(x) memset(&(x), 0, sizeof(x))
+
+#ifndef _
+#define _(str) str
+#endif
+
+void * xrealloc(void *ptr, size_t size);