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* io.c (advice_arg_check): Change argument check.

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Now, an unsupported advice makes NotImplementedError.
    [ruby-dev:42887] [Ruby 1.9-Feature#4204]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30375 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2010-12-25 17:25:02 +00:00
parent 6bd4afaab8
commit 085e40d45b
3 changed files with 31 additions and 6 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Sun Dec 26 02:31:58 2010 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* io.c (advice_arg_check): Change argument check.
Now, an unsupported advice makes NotImplementedError.
[ruby-dev:42887] [Ruby 1.9-Feature#4204]
Sun Dec 26 03:00:53 2010 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* ext/socket/extconf.rb: Fix build error which was introduced r30372.

24
io.c
View file

@ -7396,10 +7396,10 @@ select_end(VALUE arg)
}
#endif
#ifdef HAVE_POSIX_FADVISE
static VALUE sym_normal, sym_sequential, sym_random,
sym_willneed, sym_dontneed, sym_noreuse;
#ifdef HAVE_POSIX_FADVISE
struct io_advise_struct {
int fd;
off_t offset;
@ -7481,6 +7481,23 @@ do_io_advise(rb_io_t *fptr, VALUE advice, off_t offset, off_t len)
#endif /* HAVE_POSIX_FADVISE */
static void
advice_arg_check(VALUE advice)
{
if (!SYMBOL_P(advice))
rb_raise(rb_eTypeError, "advice must be a Symbol");
if (advice != sym_normal &&
advice != sym_sequential &&
advice != sym_random &&
advice != sym_willneed &&
advice != sym_dontneed &&
advice != sym_noreuse) {
rb_raise(rb_eNotImpError, "Unsupported advice: :%s",
RSTRING_PTR(rb_id2str(SYM2ID(advice))));
}
}
/*
* call-seq:
* ios.advise(advice, offset=0, len=0) -> nil
@ -7530,8 +7547,7 @@ rb_io_advise(int argc, VALUE *argv, VALUE io)
rb_io_t *fptr;
rb_scan_args(argc, argv, "12", &advice, &offset, &len);
if (!SYMBOL_P(advice))
rb_raise(rb_eTypeError, "advice must be a Symbol");
advice_arg_check(advice);
io = GetWriteIO(io);
GetOpenFile(io, fptr);
@ -10530,12 +10546,10 @@ Init_IO(void)
sym_textmode = ID2SYM(rb_intern("textmode"));
sym_binmode = ID2SYM(rb_intern("binmode"));
sym_autoclose = ID2SYM(rb_intern("autoclose"));
#ifdef HAVE_POSIX_FADVISE
sym_normal = ID2SYM(rb_intern("normal"));
sym_sequential = ID2SYM(rb_intern("sequential"));
sym_random = ID2SYM(rb_intern("random"));
sym_willneed = ID2SYM(rb_intern("willneed"));
sym_dontneed = ID2SYM(rb_intern("dontneed"));
sym_noreuse = ID2SYM(rb_intern("noreuse"));
#endif
}

7
test/ruby/test_io.rb
View file

@ -1763,10 +1763,15 @@ End
end
end
end
end
def test_invalid_advise
feature4204 = '[ruby-dev:42887]'
t = make_tempfile
%w{Normal rand glark will_need zzzzzzzzzzzz \u2609}.map(&:to_sym).each do |adv|
[[0,0], [0, 20], [400, 2]].each do |offset, len|
open(make_tempfile.path) do |t|
assert_equal(t.advise(adv, offset, len), nil)
assert_raise(NotImplementedError, feature4204) { t.advise(adv, offset, len) }
end
end
end