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[BUG] Don't mutate passed configuration options #663

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merged 2 commits into from Jan 26, 2019
Merged

[BUG] Don't mutate passed configuration options #663

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03e7997
Don't mutated passed options
maschwenk Sep 21, 2018
fc52d9c
Add regression test
maschwenk Sep 21, 2018
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4 changes: 2 additions & 2 deletions ext/redcarpet/rc_markdown.c
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Expand Up @@ -115,8 +115,8 @@ static VALUE rb_redcarpet_md__new(int argc, VALUE *argv, VALUE klass)

/* Merge the current options in the @options hash */
if (hash != Qnil) {
rndr_options = rb_iv_get(rb_rndr, "@options");
rb_funcall(rndr_options, rb_intern("merge!"), 1, hash);
rndr_options = rb_funcall(rb_iv_get(rb_rndr, "@options"), rb_intern("merge"), 1, hash);
rb_iv_set(rb_rndr, "@options", rndr_options);
}

markdown = sd_markdown_new(extensions, 16, &rndr->callbacks, &rndr->options);
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2 changes: 1 addition & 1 deletion test/custom_render_test.rb
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Expand Up @@ -23,7 +23,7 @@ def test_simple_overload
end

def test_renderer_options
parser = Redcarpet::Markdown.new(SimpleRender.new(with_toc_data: true))
parser = Redcarpet::Markdown.new(SimpleRender.new({ with_toc_data: true }.freeze), {})
output = parser.render("# A title")

assert_match "My little poney", output
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