diff options
Diffstat (limited to 'erts/emulator/beam/erl_bif_port.c')
| -rw-r--r-- | erts/emulator/beam/erl_bif_port.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index f454f2e12d..f9d97ee1ab 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -716,15 +716,17 @@ open_port(Process* p, Eterm name, Eterm settings, int *err_nump) } } else if (option == am_cd) { Eterm iolist; - Eterm heap[4]; + DeclareTmpHeap(heap,4,p); int r; + UseTmpHeap(4,p); heap[0] = *tp; heap[1] = make_list(heap+2); heap[2] = make_small(0); heap[3] = NIL; iolist = make_list(heap); r = io_list_to_buf(iolist, (char*) dir, MAXPATHLEN); + UnUseTmpHeap(4,p); if (r < 0) { goto badarg; } |