1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib/libcrypto/mem_dbg.c b/src/lib/libcrypto/mem_dbg.c
index e212de27e4..8316485217 100644
--- a/src/lib/libcrypto/mem_dbg.c
+++ b/src/lib/libcrypto/mem_dbg.c
@@ -59,11 +59,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>       
+#include "cryptlib.h"
 #include <openssl/crypto.h>
 #include <openssl/buffer.h>
 #include <openssl/bio.h>
 #include <openssl/lhash.h>
-#include "cryptlib.h"
 
 static int mh_mode=CRYPTO_MEM_CHECK_OFF;
 /* The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE
@@ -252,8 +252,16 @@ long CRYPTO_dbg_get_options(void)
 /* static int mem_cmp(MEM *a, MEM *b) */
 static int mem_cmp(const void *a_void, const void *b_void)
         {
+#ifdef _WIN64
+        const char *a=(const char *)((const MEM *)a_void)->addr,
+                   *b=(const char *)((const MEM *)b_void)->addr;
+        if (a==b)       return 0;
+        else if (a>b)   return 1;
+        else            return -1;
+#else
         return((const char *)((const MEM *)a_void)->addr
                 - (const char *)((const MEM *)b_void)->addr);
+#endif
         }
 
 /* static unsigned long mem_hash(MEM *a) */