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* io.c (set_stdin): assigned value must respond to "read" and

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"getc".

* io.c (set_outfile): assigned value must respond to "write".
  (ruby-bugs-ja:PR#425)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2003-04-10 17:41:40 +00:00
parent 95eb316d44
commit 0b984f51a1
2 changed files with 32 additions and 8 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Fri Apr 11 02:41:35 2003 Nobuyoshi Nakada <nobu.nokada@softhome.net>
* io.c (set_stdin): assigned value must respond to "read" and
"getc".
* io.c (set_outfile): assigned value must respond to "write".
(ruby-bugs-ja:PR#425)
Thu Apr 10 21:12:19 2003 Minero Aoki <aamine@loveruby.net>
* lib/net/pop.rb: Exception line was accidentaly removed.

32
io.c
View file

@ -105,7 +105,7 @@ VALUE rb_default_rs;
static VALUE argf;
static ID id_write;
static ID id_write, id_read, id_getc;
extern char *ruby_inplace_mode;
@ -2678,15 +2678,25 @@ rb_obj_display(argc, argv, self)
return Qnil;
}
static void
must_respond_to(mid, val, id)
ID mid;
VALUE val;
ID id;
{
if (!rb_respond_to(val, mid)) {
rb_raise(rb_eTypeError, "%s must have %s method, %s given",
rb_id2name(id), rb_id2name(mid),
rb_obj_classname(val));
}
}
static void
rb_io_defset(val, id)
VALUE val;
ID id;
{
if (!rb_respond_to(val, id_write)) {
rb_raise(rb_eTypeError, "$> must have write method, %s given",
rb_obj_classname(val));
}
must_respond_to(id_write, val, id);
rb_defout = val;
}
@ -2700,6 +2710,8 @@ set_stdin(val, id, var)
if (val == *var) return;
if (TYPE(val) != T_FILE) {
must_respond_to(id_read, val, id);
must_respond_to(id_getc, val, id);
*var = val;
return;
}
@ -2723,8 +2735,9 @@ set_stdin(val, id, var)
}
static void
set_outfile(val, var, orig, stdf)
set_outfile(val, id, var, orig, stdf)
VALUE val;
ID id;
VALUE *var;
VALUE orig;
FILE *stdf;
@ -2739,6 +2752,7 @@ set_outfile(val, var, orig, stdf)
rb_io_flush(*var);
}
if (TYPE(val) != T_FILE) {
must_respond_to(id_write, val, id);
*var = val;
return;
}
@ -2769,7 +2783,7 @@ set_stdout(val, id, var)
ID id;
VALUE *var;
{
set_outfile(val, var, orig_stdout, stdout);
set_outfile(val, id, var, orig_stdout, stdout);
}
static void
@ -2778,7 +2792,7 @@ set_stderr(val, id, var)
ID id;
VALUE *var;
{
set_outfile(val, var, orig_stderr, stderr);
set_outfile(val, id, var, orig_stderr, stderr);
}
static VALUE
@ -3928,6 +3942,8 @@ Init_IO()
rb_eEOFError = rb_define_class("EOFError", rb_eIOError);
id_write = rb_intern("write");
id_read = rb_intern("read");
id_getc = rb_intern("getc");
rb_define_global_function("syscall", rb_f_syscall, -1);