From 397d1e7aa9980c953a82139b91c7de4354defb19 Mon Sep 17 00:00:00 2001
From: Akira Yumiyama <yumiyama.akira@gmail.com>
Date: Mon, 11 Feb 2013 11:23:37 +0900
Subject: add mrb_str_to_cstr

---
 src/string.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/string.c')

diff --git a/src/string.c b/src/string.c
index 99ea9753e..00b08fc36 100644
--- a/src/string.c
+++ b/src/string.c
@@ -257,6 +257,18 @@ mrb_str_new_cstr(mrb_state *mrb, const char *p)
   return mrb_obj_value(s);
 }
 
+char *
+mrb_str_to_cstr(mrb_state *mrb, mrb_value str0)
+{
+  mrb_value str;
+
+  str = mrb_str_new(mrb, RSTRING_PTR(str0), RSTRING_LEN(str0));
+  if (strlen(RSTRING_PTR(str)) != RSTRING_LEN(str)) {
+    mrb_raise(mrb, E_ARGUMENT_ERROR, "string contains null byte");
+  }
+  return RSTRING_PTR(str);
+}
+
 static void
 str_make_shared(mrb_state *mrb, struct RString *s)
 {
-- 
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