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* ext/stringio/stringio.c (get_strio, strio_set_string)

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(strio_reopen): check if frozen.  [ruby-core:33648]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30467 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2011-01-05 20:14:43 +00:00
parent 8cc0ee4a96
commit d8d9bac5c8
3 changed files with 17 additions and 3 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Thu Jan 6 05:14:41 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/stringio/stringio.c (get_strio, strio_set_string)
(strio_reopen): check if frozen. [ruby-core:33648]
Thu Jan 6 05:10:58 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* array.c (rb_ary_resize): new utility function. [ruby-dev:42912]

6
ext/stringio/stringio.c
View file

@ -85,7 +85,7 @@ static const rb_data_type_t strio_data_type = {
static struct StringIO*
get_strio(VALUE self)
{
struct StringIO *ptr = check_strio(self);
struct StringIO *ptr = check_strio(rb_io_taint_check(self));
if (!ptr) {
rb_raise(rb_eIOError, "uninitialized stream");
@ -312,7 +312,7 @@ strio_set_string(VALUE self, VALUE string)
{
struct StringIO *ptr = StringIO(self);
if (!OBJ_TAINTED(self)) rb_secure(4);
rb_io_taint_check(self);
ptr->flags &= ~FMODE_READWRITE;
StringValue(string);
ptr->flags = OBJ_FROZEN(string) ? FMODE_READABLE : FMODE_READWRITE;
@ -504,7 +504,7 @@ strio_set_lineno(VALUE self, VALUE lineno)
static VALUE
strio_reopen(int argc, VALUE *argv, VALUE self)
{
if (!OBJ_TAINTED(self)) rb_secure(4);
rb_io_taint_check(self);
if (argc == 1 && TYPE(*argv) != T_STRING) {
return strio_copy(self, *argv);
}

9
test/stringio/test_stringio.rb
View file

@ -471,4 +471,13 @@ class TestStringIO < Test::Unit::TestCase
expected_pos += 1
end
end
def test_frozen
s = StringIO.new
s.freeze
bug = '[ruby-core:33648]'
assert_raise(RuntimeError, bug) {s.puts("foo")}
assert_raise(RuntimeError, bug) {s.string = "foo"}
assert_raise(RuntimeError, bug) {s.reopen("")}
end
end