1 files changed, 18 insertions, 0 deletions
diff --git a/src/libbiguint/bu_cmp.c b/src/libbiguint/bu_cmp.c
new file mode 100644
index 0000000..a6bfaeb
--- /dev/null
+++ b/src/libbiguint/bu_cmp.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/uint32.h>
+#include <skalibs/biguint.h>
+
+int bu_cmp (register uint32 const *a, register unsigned int an, register uint32 const *b, register unsigned int bn)
+{
+  an = bu_len(a, an) ;
+  bn = bu_len(b, bn) ;
+  if (an < bn) return -1 ;
+  if (an > bn) return 1 ;
+  while (bn--)
+  {
+    if (a[bn] < b[bn]) return -1 ;
+    if (a[bn] > b[bn]) return 1 ;
+  }
+  return 0 ;
+}