From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/template/sizes.c.tmpl | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 jni/ruby/template/sizes.c.tmpl

(limited to 'jni/ruby/template/sizes.c.tmpl')

diff --git a/jni/ruby/template/sizes.c.tmpl b/jni/ruby/template/sizes.c.tmpl
new file mode 100644
index 0000000..ac9964d
--- /dev/null
+++ b/jni/ruby/template/sizes.c.tmpl
@@ -0,0 +1,30 @@
+%#  -*- c -*-
+#include "ruby/ruby.h"
+<%
+class String
+  def tr_cpp
+    strip.upcase.tr_s("^A-Z0-9_*", "_").tr_s("*", "P")
+  end
+end
+types = ARGF.grep(/^\s*RUBY_CHECK_SIZEOF\((\w[^\[\],#]*)[^#]*\)/) {$1}
+conditions = {
+  "long long" => 'defined(HAVE_TRUE_LONG_LONG)',
+}
+%>
+void
+Init_sizeof(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));
+
+% types.each do |type|
+%   cond = conditions[type]
+#if SIZEOF_<%= type.tr_cpp %> != 0<%= " && #{cond}" if cond %>
+    DEFINE(<%= type %>, <%= type.tr_cpp %>);
+#endif
+% end
+
+#undef DEFINE
+}
-- 
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