IO::NULL; null device path name

Issue #3526 has been updated by Nobuyoshi N…

Description updated


Feature #3526: IO::NULL; null device path name
https://bugs.ruby-lang.org/issues/3526#change-46559

  • Author: Nobuyoshi N.
  • Status: Closed
  • Priority: Low
  • Assignee:
  • Category:
  • Target version:

なかだです。

IO::NULL を追加するのはどうでしょうか。

diff --git a/io.c b/io.c
index 05b2d45..3793ae5 100644
--- a/io.c
+++ b/io.c
@@ -9623,6 +9623,18 @@ rb_get_argv(void)
    return ARGF.argv;
}

+static const char null_device[] =
+#if defined DOSISH
+    "NUL"
+#elif defined AMIGA || defined __amigaos__
+    "NIL"
+#elif defined __VMS
+    "NL:"
+#else
+    "/dev/null"
+#endif
+    ;
+
/*
 * Document-class: IOError
 *
@@ -9956,6 +9968,8 @@ Init_IO(void)
    rb_define_method(rb_cIO, "autoclose?", rb_io_autoclose_p, 0);
    rb_define_method(rb_cIO, "autoclose=", rb_io_set_autoclose, 1);

+    rb_define_const(rb_cIO, "NULL", 
rb_obj_freeze(rb_usascii_str_new2(null_device)));
+
    rb_define_variable("$stdin", &rb_stdin);
    rb_stdin = prep_stdio(stdin, FMODE_READABLE, rb_cIO, "<STDIN>");
    rb_define_hooked_variable("$stdout", &rb_stdout, 0, stdout_setter);

— 僕の前にBugはない。
— 僕の後ろにBugはできる。
中田 伸悦

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