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[u/mdw/putty] / int64.c

diff --git a/int64.c b/int64.c
index da7b4c3..7997114 100644 (file)
--- a/int64.c
+++ b/int64.c
@@ -5,10 +5,9 @@
  */
 
 #include <assert.h>
+#include <string.h>
 
-typedef struct {
-    unsigned long hi, lo;
-} uint64, int64;
+#include "int64.h"
 
 uint64 uint64_div10(uint64 x, int *remainder)
 {
@@ -69,3 +68,12 @@ uint64 uint64_add32(uint64 x, unsigned long y)
     yy.lo = y;
     return uint64_add(x, yy);
 }
+
+int uint64_compare(uint64 x, uint64 y)
+{
+    if (x.hi != y.hi)
+       return x.hi < y.hi ? -1 : +1;
+    if (x.lo != y.lo)
+       return x.lo < y.lo ? -1 : +1;
+    return 0;
+}