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-rw-r--r--erts/emulator/beam/utils.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index fb203c6076..164bed51d1 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -3017,12 +3017,13 @@ buf_to_intlist(Eterm** hpp, char *buf, size_t len, Eterm tail)
** ;
**
** Return remaining bytes in buffer on success
-** -1 on overflow
-** -2 on type error (including that result would not be a whole number of bytes)
+** ERTS_IOLIST_TO_BUF_OVERFLOW on overflow
+** ERTS_IOLIST_TO_BUF_TYPE_ERROR on type error (including that result would not be a whole number of bytes)
*/
-int io_list_to_buf(Eterm obj, char* buf, int len)
+ErlDrvSizeT erts_iolist_to_buf(Eterm obj, char* buf, ErlDrvSizeT alloced_len)
{
+ ErlDrvSizeT len = (ErlDrvSizeT) alloced_len;
Eterm* objp;
DECLARE_ESTACK(s);
goto L_again;
@@ -3115,20 +3116,20 @@ int io_list_to_buf(Eterm obj, char* buf, int len)
L_type_error:
DESTROY_ESTACK(s);
- return -2;
+ return ERTS_IOLIST_TO_BUF_TYPE_ERROR;
L_overflow:
DESTROY_ESTACK(s);
- return -1;
+ return ERTS_IOLIST_TO_BUF_OVERFLOW;
}
/*
* Return 0 if successful, and non-zero if unsuccessful.
*/
-int erts_iolist_size(Eterm obj, Uint* sizep)
+int erts_iolist_size(Eterm obj, ErlDrvSizeT* sizep)
{
Eterm* objp;
- Uint size = 0;
+ Uint size = 0; /* Intentionally Uint due to halfword heap */
DECLARE_ESTACK(s);
goto L_again;
@@ -3180,7 +3181,7 @@ int erts_iolist_size(Eterm obj, Uint* sizep)
#undef SAFE_ADD
DESTROY_ESTACK(s);
- *sizep = size;
+ *sizep = (ErlDrvSizeT) size;
return ERTS_IOLIST_OK;
L_overflow_error: