Module: Confium::Lib

Extended by:
FFI::Library
Defined in:
lib/confium/lib.rb

Constant Summary collapse

FFI_LAYOUT = 
{
  cfm_create: [ %i[pointer], :uint32 ],
  cfm_destroy: [ %i[pointer], :uint32 ],
  cfm_plugin_load: [ %i[pointer string string pointer pointer], :uint32 ],
  cfm_hash_create: [ %i[pointer pointer pointer pointer pointer pointer], :uint32 ],
  cfm_hash_output_size: [ %i[pointer pointer], :uint32 ],
  cfm_hash_block_size: [ %i[pointer pointer], :uint32 ],
  cfm_hash_update: [ %i[pointer pointer uint32], :uint32 ],
  cfm_hash_reset: [ %i[pointer], :uint32 ],
  cfm_hash_clone: [ %i[pointer pointer], :uint32 ],
  cfm_hash_finalize: [ %i[pointer pointer uint32], :uint32 ],
  cfm_hash_destroy: [ %i[pointer], :void ],
}.freeze

Class Method Summary collapse

Class Method Details

.confium_library_path ⇒ Object 



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# File 'lib/confium/lib.rb', line 36

def self.confium_library_path
  @confium_library_path ||= \
    # On MingW the libraries have version numbers
    find_lib('{lib,}confium{,-?}')
end

.find_lib(lib) ⇒ Object 



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# File 'lib/confium/lib.rb', line 26

def self.find_lib(lib)
  if ENV['CONFIUM_LIBRARY_PATH'] && File.file?(ENV['CONFIUM_LIBRARY_PATH'])
    ENV['CONFIUM_LIBRARY_PATH']
  else
    Dir.glob(search_paths.map do |path|
      File.expand_path(File.join(path, "#{lib}.#{FFI::Platform::LIBSUFFIX}{,.?}"))
    end).first
  end
end

.search_paths ⇒ Object 



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# File 'lib/confium/lib.rb', line 9

def self.search_paths
  @search_paths ||= \
    if ENV['CONFIUM_LIBRARY_PATH']
      [ENV['CONFIUM_LIBRARY_PATH']]
    elsif FFI::Platform::IS_WINDOWS
      ENV['PATH'].split(File::PATH_SEPARATOR)
    else
      [
        '/usr/local/{lib64,lib}',
        '/opt/local/{lib64,lib}',
        '/usr/{lib64,lib}',
        '/opt/homebrew/lib',
        '/usr/lib/{x86_64,i386,aarch64}-linux-gnu'
      ]
    end
end