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Diffstat (limited to 'erts/emulator/beam/utils.c')
-rw-r--r--erts/emulator/beam/utils.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 1969fc762c..5261effef9 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -46,6 +46,7 @@
#include "erl_thr_queue.h"
#include "erl_sched_spec_pre_alloc.h"
#include "beam_bp.h"
+#include "erl_ptab.h"
#undef M_TRIM_THRESHOLD
#undef M_TOP_PAD
@@ -3016,12 +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;
@@ -3114,20 +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;
@@ -3179,7 +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: