use STR2CSTR

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@46 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/object.c b/object.c
index faf6983526..be551bd82a 100644
--- a/object.c
+++ b/object.c
@@ -721,6 +721,15 @@ f_string(obj, arg)
     return rb_funcall(arg, rb_intern("to_s"), 0);
 }
 
+char*
+str2cstr(str)
+    VALUE str;
+{
+    if (NIL_P(str)) return NULL;
+    Check_Type(str, T_STRING);
+    return RSTRING(str)->ptr;
+}
+
 VALUE
 rb_String(val)
     VALUE val;