should be used to handle shorter return value. fix [Bug #3861]
[ruby-core:32504]
* ext/fiddle/closure.c (callback): ditto
* ext/fiddle/conversions.h (fiddle_generic): ditto
* ext/fiddle/conversions.c (value_to_generic): char, short and int
are strictly distinguished on big-endian CPU, e.g. sparc64.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/fiddle/*: testing fiddle extension
* ext/dl/lib/dl.rb: Requiring fiddle if it is available
* ext/dl/lib/dl/callback.rb: using Fiddle if it is available
* ext/dl/lib/dl/func.rb: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e