1 files changed, 10 insertions, 0 deletions

diff --git a/util.h b/util.h
new file mode 100644
index 0000000..962faac
--- /dev/null
+++ b/util.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#define max(a, b)                                                                                  \
+    ({                                                                                             \
+        __typeof__(a) _a = (a);                                                                    \
+        __typeof__(b) _b = (b);                                                                    \
+        _a > _b ? _a : _b;                                                                         \
+    })
+
+#define ARRAY_SIZE(x) ((sizeof(x) / sizeof(0 [x])) / ((size_t)(!(sizeof(x) % sizeof(0 [x])))))