* ext/bigdecimal/bigdecimal.c (rb_rational_num): add fallback function

for rubies lower than 2.2.0.

* ext/bigdecimal/bigdecimal.c (rb_rational_den): ditto.

* ext/bigdecimal/extconf.rb: check the existences of struct RRational,
  rb_rational_num, and rb_rational_den.

* ext/bigdecimal/bigdecimal.bundle: bump version.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,15 @@
+Thu Jan 29 23:30:00 2015  Kenta Murata  <mrkn@mrkn.jp>
+
+	* ext/bigdecimal/bigdecimal.c (rb_rational_num): add fallback function
+	  for rubies lower than 2.2.0.
+
+	* ext/bigdecimal/bigdecimal.c (rb_rational_den): ditto.
+
+	* ext/bigdecimal/extconf.rb: check the existences of struct RRational,
+	  rb_rational_num, and rb_rational_den.
+
+	* ext/bigdecimal/bigdecimal.bundle: bump version.
+
 Thu Jan 29 20:28:25 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* tool/make-snapshot: removed md5 digest with package infomation

ext/bigdecimal/bigdecimal.c

@@ -109,6 +109,30 @@ static ID id_eq;
 # define RB_OBJ_STRING(obj) StringValueCStr(obj)
 #endif
 
+#ifndef HAVE_RB_RATIONAL_NUM
+static inline VALUE
+rb_rational_num(VALUE rat)
+{
+#ifdef HAVE_TYPE_STRUCT_RRATIONAL
+    return RRATIONAL(rat)->num;
+#else
+    return rb_funcall(rat, rb_intern("numerator"));
+#endif
+}
+#endif
+
+#ifndef HAVE_RB_RATIONAL_DEN
+static inline VALUE
+rb_rational_den(VALUE rat)
+{
+#ifdef HAVE_TYPE_STRUCT_RRATIONAL
+    return RRATIONAL(rat)->den;
+#else
+    return rb_funcall(rat, rb_intern("denominator"));
+#endif
+}
+#endif
+
 /*
  * ================== Ruby Interface part ==========================
  */

ext/bigdecimal/bigdecimal.gemspec

@@ -1,5 +1,5 @@
 # -*- ruby -*-
-_VERSION = "1.2.6"
+_VERSION = "1.2.7"
 date = %w$Date::                           $[1]
 
 Gem::Specification.new do |s|

ext/bigdecimal/extconf.rb

@@ -3,4 +3,8 @@ require 'mkmf'
 have_func("labs", "stdlib.h")
 have_func("llabs", "stdlib.h")
 
+have_type("struct RRational", "ruby.h")
+have_func("rb_rational_num", "ruby.h")
+have_func("rb_rational_den", "ruby.h")
+
 create_makefile('bigdecimal')