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✏️ Editing: fiddle.rb

# frozen_string_literal: true

require 'fiddle.so'
require 'fiddle/closure'
require 'fiddle/function'
require 'fiddle/version'

module Fiddle
  if WINDOWS
    # Returns the last win32 +Error+ of the current executing +Thread+ or nil
    # if none
    def self.win32_last_error
      Thread.current[:__FIDDLE_WIN32_LAST_ERROR__]
    end

# Sets the last win32 +Error+ of the current executing +Thread+ to +error+
    def self.win32_last_error= error
      Thread.current[:__FIDDLE_WIN32_LAST_ERROR__] = error
    end

# Returns the last win32 socket +Error+ of the current executing
    # +Thread+ or nil if none
    def self.win32_last_socket_error
      Thread.current[:__FIDDLE_WIN32_LAST_SOCKET_ERROR__]
    end

# Sets the last win32 socket +Error+ of the current executing
    # +Thread+ to +error+
    def self.win32_last_socket_error= error
      Thread.current[:__FIDDLE_WIN32_LAST_SOCKET_ERROR__] = error
    end
  end

# Returns the last +Error+ of the current executing +Thread+ or nil if none
  def self.last_error
    Thread.current[:__FIDDLE_LAST_ERROR__]
  end

# Sets the last +Error+ of the current executing +Thread+ to +error+
  def self.last_error= error
    Thread.current[:__DL2_LAST_ERROR__] = error
    Thread.current[:__FIDDLE_LAST_ERROR__] = error
  end

# call-seq: dlopen(library) => Fiddle::Handle
  #
  # Creates a new handler that opens +library+, and returns an instance of
  # Fiddle::Handle.
  #
  # If +nil+ is given for the +library+, Fiddle::Handle::DEFAULT is used, which
  # is the equivalent to RTLD_DEFAULT. See <code>man 3 dlopen</code> for more.
  #
  #   lib = Fiddle.dlopen(nil)
  #
  # The default is dependent on OS, and provide a handle for all libraries
  # already loaded. For example, in most cases you can use this to access
  # +libc+ functions, or ruby functions like +rb_str_new+.
  #
  # See Fiddle::Handle.new for more.
  def dlopen library
    begin
      Fiddle::Handle.new(library)
    rescue DLError => error
      case RUBY_PLATFORM
      when /linux/
        case error.message
        when /\A(\/.+?): (?:invalid ELF header|file too short)/
          # This may be a linker script:
          # https://sourceware.org/binutils/docs/ld.html#Scripts
          path = $1
        else
          raise
        end
      else
        raise
      end

# Not found
      raise
    end
  end
  module_function :dlopen

# Add constants for backwards compat

RTLD_GLOBAL = Handle::RTLD_GLOBAL # :nodoc:
  RTLD_LAZY   = Handle::RTLD_LAZY   # :nodoc:
  RTLD_NOW    = Handle::RTLD_NOW    # :nodoc:

Fiddle::Types.constants.each do |type|
    const_set "TYPE_#{type}", Fiddle::Types.const_get(type)
  end
end

📁 benchmark | ✏️ Rename | 🗑️ Delete
📁 bigdecimal | ✏️ Rename | 🗑️ Delete
📁 cgi | ✏️ Rename | 🗑️ Delete
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📁 digest | ✏️ Rename | 🗑️ Delete
📁 drb | ✏️ Rename | 🗑️ Delete
📁 erb | ✏️ Rename | 🗑️ Delete
📁 error_highlight | ✏️ Rename | 🗑️ Delete
📁 fiddle | ✏️ Rename | 🗑️ Delete
📁 forwardable | ✏️ Rename | 🗑️ Delete
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📁 optparse | ✏️ Rename | 🗑️ Delete
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📁 racc | ✏️ Rename | 🗑️ Delete
📁 random | ✏️ Rename | 🗑️ Delete
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📁 unicode_normalize | ✏️ Rename | 🗑️ Delete
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📁 vendor_ruby | ✏️ Rename | 🗑️ Delete
📁 yaml | ✏️ Rename | 🗑️ Delete
📄 abbrev.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 benchmark.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 bigdecimal.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 coverage.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 csv.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 date.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 delegate.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 did_you_mean.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 digest.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 English.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 error_highlight.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 expect.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fiddle.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 fileutils.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 find.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 forwardable.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 getoptlong.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 ipaddr.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 json.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 kconv.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 logger.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 mkmf.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 monitor.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 mutex_m.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 objspace.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 observer.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 open-uri.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 open3.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 openssl.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 optionparser.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 optparse.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 ostruct.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 pathname.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 pp.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 prettyprint.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 pstore.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 psych.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 racc.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 resolv-replace.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 set.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 shellwords.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 singleton.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 socket.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 syntax_suggest.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 tempfile.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 time.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 timeout.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 tmpdir.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 tsort.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
📄 un.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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📄 weakref.rb | ✏️ Edit | ✏️ Rename | 🗑️ Delete
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