From 229e346ebc9624afaba16d3da3e447030c858fff Mon Sep 17 00:00:00 2001
From: Tom Black <blacktm@gmail.com>
Date: Fri, 5 Oct 2018 22:33:12 -0700
Subject: Fix MRuby crash when using default font

---
 ext/ruby2d/ruby2d.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'ext')

diff --git a/ext/ruby2d/ruby2d.c b/ext/ruby2d/ruby2d.c
index cf89990..885bf5c 100644
--- a/ext/ruby2d/ruby2d.c
+++ b/ext/ruby2d/ruby2d.c
@@ -466,6 +466,12 @@ static R_VAL ruby2d_text_ext_init(R_VAL self) {
 #endif
   S2D_Log(S2D_INFO, "Init text: %s", RSTRING_PTR(r_iv_get(self, "@text")));
 
+  // Trim the font file string to its actual length on MRuby
+  #if MRUBY
+    mrb_value s = r_iv_get(self, "@font");
+    mrb_str_resize(mrb, s, RSTRING_LEN(s));
+  #endif
+
   S2D_Text *txt = S2D_CreateText(
     RSTRING_PTR(r_iv_get(self, "@font")),
     RSTRING_PTR(r_iv_get(self, "@text")),
-- 
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