From 9f06167a265a2a117ffbf714e2632bbf746e5b46 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 29 Jul 2013 13:55:29 +0000
Subject: sizes.c: RbConfig::SIZEOF

* sizes.c (Init_sizes): define RbConfig::SIZEOF.  [Feature #8568]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 sizes.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 sizes.c

(limited to 'sizes.c')

diff --git a/sizes.c b/sizes.c
new file mode 100644
index 0000000000..398ee95680
--- /dev/null
+++ b/sizes.c
@@ -0,0 +1,52 @@
+#include "ruby/ruby.h"
+
+void
+Init_sizes(void)
+{
+    VALUE s = rb_hash_new();
+    rb_define_const(rb_define_module("RbConfig"), "SIZEOF", s);
+
+#define DEFINE(type, size) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(SIZEOF_##size));
+
+#ifdef SIZEOF_INT
+    DEFINE(int, INT);
+#endif
+#ifdef SIZEOF_SHORT
+    DEFINE(short, SHORT);
+#endif
+#ifdef SIZEOF_LONG
+    DEFINE(long, LONG);
+#endif
+#ifdef SIZEOF_LONG_LONG
+    DEFINE(long long, LONG_LONG);
+#endif
+#ifdef SIZEOF___INT64
+    DEFINE(__int64, __INT64);
+#endif
+#ifdef SIZEOF___INT128
+    DEFINE(__int128, __INT128);
+#endif
+#ifdef SIZEOF_OFF_T
+    DEFINE(off_t, OFF_T);
+#endif
+#ifdef SIZEOF_VOIDP
+    DEFINE(void*, VOIDP);
+#endif
+#ifdef SIZEOF_FLOAT
+    DEFINE(float, FLOAT);
+#endif
+#ifdef SIZEOF_DOUBLE
+    DEFINE(double, DOUBLE);
+#endif
+#ifdef SIZEOF_TIME_T
+    DEFINE(time_t, TIME_T);
+#endif
+#ifdef SIZEOF_SIZE_T
+    DEFINE(size_t, SIZE_T);
+#endif
+#ifdef SIZEOF_PTRDIFF_T
+    DEFINE(ptrdiff_t, PTRDIFF_T);
+#endif
+
+#undef DEFINE
+}
-- 
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