diff options
| -rw-r--r-- | mrbgems/mruby-io/src/io.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c index d4505e4f7..54a806091 100644 --- a/mrbgems/mruby-io/src/io.c +++ b/mrbgems/mruby-io/src/io.c @@ -707,7 +707,15 @@ mrb_io_initialize(mrb_state *mrb, mrb_value io) mode = opt = mrb_nil_value(); mrb_get_args(mrb, "i|oo", &fd, &mode, &opt); - check_file_descriptor(mrb, fd); + switch (fd) { + case 0: /* STDIN_FILENO */ + case 1: /* STDOUT_FILENO */ + case 2: /* STDERR_FILENO */ + break; + default: + check_file_descriptor(mrb, fd); + break; + } if (mrb_nil_p(mode)) { mode = mrb_str_new_cstr(mrb, "r"); } |