1 files changed, 18 insertions, 9 deletions
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h
index da31876d75..4aa9724ae3 100644
--- a/erts/emulator/beam/big.h
+++ b/erts/emulator/beam/big.h
@@ -3,16 +3,17 @@
  *
  * Copyright Ericsson AB 1996-2014. All Rights Reserved.
  *
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  *
  * %CopyrightEnd%
  */
@@ -85,6 +86,7 @@ typedef Uint  dsize_t;	 /* Vector size type */
 
 /* The heap size needed for a bignum */
 #define BIG_NEED_SIZE(x)  ((x) + 1)
+#define BIG_NEED_FOR_BITS(bits) BIG_NEED_SIZE(((bits)-1)/D_EXP + 1)
 
 #define BIG_UINT_HEAP_SIZE (1 + 1)	/* always, since sizeof(Uint) <= sizeof(Eterm) */
 
@@ -104,6 +106,9 @@ typedef Uint  dsize_t;	 /* Vector size type */
    : ERTS_UINT64_BIG_HEAP_SIZE__((X) >= 0 ? (X) : -(Uint64)(X)))
 #define ERTS_UINT64_HEAP_SIZE(X)				\
   (IS_USMALL(0, (X)) ? 0 : ERTS_UINT64_BIG_HEAP_SIZE__((X)))
+#define ERTS_MAX_SINT64_HEAP_SIZE (1 + 2)
+#define ERTS_MAX_UINT64_HEAP_SIZE (1 + 2)
+#define ERTS_UINT64_ARRAY_TO_BIG_MAX_HEAP_SZ(LEN) (2*(LEN)+1)
 
 #else
 
@@ -111,6 +116,9 @@ typedef Uint  dsize_t;	 /* Vector size type */
   (IS_SSMALL((X)) ? 0 : (1 + 1))
 #define ERTS_UINT64_HEAP_SIZE(X)				\
   (IS_USMALL(0, (X)) ? 0 : (1 + 1))
+#define ERTS_MAX_SINT64_HEAP_SIZE (1 + 1)
+#define ERTS_MAX_UINT64_HEAP_SIZE (1 + 1)
+#define ERTS_UINT64_ARRAY_TO_BIG_MAX_HEAP_SZ(LEN) ((LEN)+1)
 
 #endif
 
@@ -156,6 +164,7 @@ int term_to_Uint(Eterm, Uint*);
 int term_to_UWord(Eterm, UWord*);
 int term_to_Sint(Eterm, Sint*);
 #if HAVE_INT64
+Eterm erts_uint64_array_to_big(Uint **, int, int, Uint64 *);
 int term_to_Uint64(Eterm, Uint64*);
 int term_to_Sint64(Eterm, Sint64*);
 #endif