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Mark html_attributes as used #177

merged 1 commit into from

5 participants


If the renderer is holding an html_attributes hash then it needs to mark it as used when the GC runs, or it may be freed.


:+1: This seems to fix the issue that I reported in #176

@robin850 robin850 merged commit 1cac444 into from

Thanks for your contribution @tomhughes! All tests are green on Travis.


Are you guys planning on releasing a new version soon? This bug is eating a Middleman-based site of mine pretty badly. I'm using a git checkout through Bundler now, but I bet I'm not the only one to be bitten by it.

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Showing with 7 additions and 1 deletion.
  1. +7 −1 ext/redcarpet/rc_render.c
8 ext/redcarpet/rc_render.c
@@ -321,11 +321,17 @@ static const char *rb_redcarpet_method_names[] = {
static const size_t rb_redcarpet_method_count = sizeof(rb_redcarpet_method_names)/sizeof(char *);
+static void rb_redcarpet_rbase_mark(struct rb_redcarpet_rndr *rndr)
+ if (rndr->options.link_attributes)
+ rb_gc_mark(rndr->options.link_attributes);
static VALUE rb_redcarpet_rbase_alloc(VALUE klass)
struct rb_redcarpet_rndr *rndr = ALLOC(struct rb_redcarpet_rndr);
memset(rndr, 0x0, sizeof(struct rb_redcarpet_rndr));
- return Data_Wrap_Struct(klass, NULL, NULL, rndr);
+ return Data_Wrap_Struct(klass, rb_redcarpet_rbase_mark, NULL, rndr);
static void rb_redcarpet__overload(VALUE self, VALUE base_class)
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