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Check Ruby version to use Fiddle with variadic args in test-all

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aycabta 2021-06-21 18:44:10 +09:00
parent 5cc11845b2
commit 30cc07fdc1
1 changed files with 10 additions and 1 deletions
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11
lib/reline/terminfo.rb
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@ -9,8 +9,17 @@ module Reline::Terminfo
@curses_dl = nil @curses_dl = nil
def self.curses_dl def self.curses_dl
return @curses_dl if @curses_dl return @curses_dl if @curses_dl
if Fiddle.const_defined?(:VERSION) and Gem::Version.create(Fiddle::VERSION) >= Gem::Version.create('1.0.1') if RUBY_VERSION >= '3.0.0'
# Gem module isn't defined in test-all of the Ruby repository, and
# Fiddle in Ruby 3.0.0 or later supports Fiddle::TYPE_VARIADIC.
fiddle_supports_variadic = true
elsif Fiddle.const_defined?(:VERSION) and Gem::Version.create(Fiddle::VERSION) >= Gem::Version.create('1.0.1')
# Fiddle::TYPE_VARIADIC is supported from Fiddle 1.0.1. # Fiddle::TYPE_VARIADIC is supported from Fiddle 1.0.1.
fiddle_supports_variadic = true
else
fiddle_supports_variadic = false
end
if fiddle_supports_variadic
%w[libncursesw.so libcursesw.so libncurses.so libcurses.so].each do |curses_name| %w[libncursesw.so libcursesw.so libncurses.so libcurses.so].each do |curses_name|
result = Fiddle::Handle.new(curses_name) result = Fiddle::Handle.new(curses_name)
rescue Fiddle::DLError rescue Fiddle::DLError