1 files changed, 8 insertions, 0 deletions
diff --git a/common.h b/common.h
index 59b31b3..bc38699 100644
--- a/common.h
+++ b/common.h
@@ -53,14 +53,22 @@ typedef int interval_t;
 /*
  * Printf formats for special types
  */
+#ifdef _WIN64
+#define ptr_format              "0x%I64x"
+#else
 #define ptr_format              "0x%08lx"
+#endif
 #define time_format             "%lu"
 #define fragment_header_format  "0x%08x"
 
 /* these are used to cast the arguments
  * and MUST match the formats above */
 typedef unsigned long time_type;
+#ifdef _WIN64
+typedef unsigned long long ptr_type;
+#else
 typedef unsigned long ptr_type;
+#endif
 
 /* the --client-config-dir default file */
 #define CCD_DEFAULT "DEFAULT"