FFI: "too many arguments for format string" warning when using Callbacks
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Key: JRUBY-3549
URL: http://jira.codehaus.org/browse/JRUBY-3549
Project: JRuby
Issue Type: Bug
Components: Extensions
Reporter: Mike Dalessio
Priority: Trivial
Attachments: foo.rb
When $VERBOSE is true, using FFI callbacks results in warning messages, which
tend to swamp the output when running tests.
Sample code is attached. I've managed to track it down to where the Hash object
tries to find a hash code for the CallbackInfo object.
Typical message is:
jruby/lib/ruby/1.8/ffi/types.rb:15 warning: too many arguments for format string
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