1 files changed, 13 insertions, 0 deletions
diff --git a/sorters.c b/sorters.c
index 99e000e..8db94e0 100644
--- a/sorters.c
+++ b/sorters.c
@@ -1,3 +1,6 @@
+#include <stddef.h>
+#include <stdlib.h>
+
 #include "sorters.h"
 
 const struct sorter sorters[] = {
@@ -8,3 +11,13 @@ const struct sorter sorters[] = {
 	{ .name = "wikisort",        .func = wikisort        },
 	{ 0 }
 };
+
+void assert_sorted(int *buffer, size_t size)
+{
+	if (!size) return;
+	int prev = buffer[0];
+	for (size_t i = 1; i < size; i++) {
+		if (prev > buffer[i]) abort();
+		prev = buffer[i];
+	}
+}