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Bug #10942 ยป 0001-stringio-avoid-STR_NOFREE-due-to-constant-string.patch

normalperson (Eric Wong), 04/17/2015 01:44 AM

View differences:

ext/stringio/stringio.c
ptr->flags = OBJ_FROZEN(string) ? FMODE_READABLE : FMODE_READWRITE;
break;
case 0:
string = rb_enc_str_new("", 0, rb_default_external_encoding());
string = rb_enc_str_new(0, 0, rb_default_external_encoding());
ptr->flags = FMODE_READWRITE;
break;
}
test/stringio/test_stringio.rb
assert_raise(ArgumentError, "[ruby-dev:43392]") { StringIO.new.each_line(0){} }
assert_raise(ArgumentError, "[ruby-dev:43392]") { StringIO.new.each_line("a",0){} }
end
def test_no_leak_on_malloced_string
assert_no_memory_leak(%w(-rstringio), 'str = " " * 24',
'1000000.times { StringIO.new << str }',
'no leak on malloced string')
end
end
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