mruby-io/io.c: implement `IO#flush` in C
MODIFY
mrbgems/mruby-io/mrblib/io.rb
mrbgems/mruby-io/mrblib/io.rb
@@ -74,12 +74,6 @@ class IO
str
end
- def flush
- # mruby-io always writes immediately (no output buffer).
- raise IOError, "closed stream" if self.closed?
- self
- end
-
def hash
# We must define IO#hash here because IO includes Enumerable and
# Enumerable#hash will call IO#read() otherwise

MODIFY
mrbgems/mruby-io/src/io.c
mrbgems/mruby-io/src/io.c
@@ -1631,6 +1631,13 @@ io_readchar(mrb_state *mrb, mrb_value self)
return io_bufread(mrb, buf, len);
}
+static mrb_value
+io_flush(mrb_state *mrb, mrb_value self)
+{
+ io_get_open_fptr(mrb, self);
+ return self;
+}
+
void
mrb_init_io(mrb_state *mrb)
{
@@ -1664,6 +1671,7 @@ mrb_init_io(mrb_state *mrb)
mrb_define_method(mrb, io, "close_on_exec=", io_set_close_on_exec, MRB_ARGS_REQ(1));
mrb_define_method(mrb, io, "close_on_exec?", io_close_on_exec_p, MRB_ARGS_NONE());
mrb_define_method(mrb, io, "closed?", io_closed, MRB_ARGS_NONE()); /* 15.2.20.5.2 */
+ mrb_define_method(mrb, io, "flush", io_flush, MRB_ARGS_NONE()); /* 15.2.20.5.7 */
mrb_define_method(mrb, io, "ungetc", io_ungetc, MRB_ARGS_REQ(1));
mrb_define_method(mrb, io, "pos", io_pos, MRB_ARGS_NONE());
mrb_define_method(mrb, io, "pid", io_pid, MRB_ARGS_NONE());

mruby-io/io.c: implement `IO#flush` in C