Use RbConfig::SIZEOF (#19)

nobu · kou · commit ea06b28db8e5 · 2019-06-13T16:08:22.000+09:00
diff --git a/test/fiddle/helper.rb b/test/fiddle/helper.rb
@@ -12,7 +12,7 @@
   libm_so = "cygwin1.dll"
 when /linux/
   libdir = '/lib'
-  case [0].pack('L!').size
+  case RbConfig::SIZEOF['void*']
   when 4
     # 32-bit ruby
     libdir = '/lib32' if File.directory? '/lib32'
@@ -46,7 +46,7 @@
   libm_so = "/usr/lib/libm.so"
 when /solaris/
   libdir = '/lib'
-  case [0].pack('L!').size
+  case RbConfig::SIZEOF['void*']
   when 4
     # 32-bit ruby
     libdir = '/lib' if File.directory? '/lib'
