1 files changed, 6 insertions, 0 deletions

diff --git a/lib/min-max.h b/lib/min-max.h
new file mode 100644
index 00000000000..997cdd191eb
--- /dev/null
+++ b/lib/min-max.h
@@ -0,0 +1,6 @@
+#ifndef min
+# define min(a,b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+# define max(a,b) ((a) > (b) ? (a) : (b))
+#endif