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-rw-r--r--erts/emulator/beam/erl_driver.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index ae0c9def90..25483380ed 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -160,10 +160,15 @@ typedef struct {
/*
* Integer types
*/
-
+#if defined(__WIN32__) && (SIZEOF_VOID_P == 8)
+typedef unsigned __int64 ErlDrvTermData;
+typedef unsigned __int64 ErlDrvUInt;
+typedef signed __int64 ErlDrvSInt;
+#else
typedef unsigned long ErlDrvTermData;
typedef unsigned long ErlDrvUInt;
typedef signed long ErlDrvSInt;
+#endif
#if defined(__WIN32__)
typedef unsigned __int64 ErlDrvUInt64;
@@ -184,7 +189,7 @@ typedef long long ErlDrvSInt64;
*/
typedef struct erl_drv_binary {
- long orig_size; /* total length of binary */
+ ErlDrvSInt orig_size; /* total length of binary */
char orig_bytes[1]; /* the data (char instead of byte!) */
} ErlDrvBinary;