Module: FFI::Platform

Defined in:

lib/ffi/platform.rb,
ext/ffi_c/Platform.c

Overview

Constant Summary

OS =

case RbConfig::CONFIG['host_os'].downcase
when /linux/
  "linux"
when /darwin/
  "darwin"
when /freebsd/
  "freebsd"
when /openbsd/
  "openbsd"
when /sunos|solaris/
  "solaris"
when /mingw|mswin/
  "windows"
else
  RbConfig::CONFIG['host_os'].downcase
end

ARCH =

case CPU.downcase
when /amd64|x86_64/
  "x86_64"
when /i?86|x86|i86pc/
  "i386"
when /ppc|powerpc/
  "powerpc"
else
  case RbConfig::CONFIG['host_cpu']
  when /^arm/
    "arm"
  else
    RbConfig::CONFIG['host_cpu']
  end
end

NAME =

"#{ARCH}-#{OS}"

IS_GNU =

defined?(GNU_LIBC)

IS_LINUX =

is_os("linux")

IS_MAC =

is_os("darwin")

IS_FREEBSD =

is_os("freebsd")

IS_OPENBSD =

is_os("openbsd")

IS_WINDOWS =

is_os("windows")

IS_BSD =

IS_MAC || IS_FREEBSD || IS_OPENBSD

CONF_DIR =

File.join(File.dirname(__FILE__), 'platform', NAME)

LIBPREFIX =

IS_WINDOWS ? '' : 'lib'

LIBSUFFIX =

case OS
when /darwin/
  'dylib'
when /linux|bsd|solaris/
  'so'
when /windows/
  'dll'
else
  # Punt and just assume a sane unix (i.e. anything but AIX)
  'so'
end

LIBC =

if IS_WINDOWS
  RbConfig::CONFIG['RUBY_SO_NAME'].split('-')[-2] + '.dll'
elsif IS_GNU
  GNU_LIBC
else
  "#{LIBPREFIX}c.#{LIBSUFFIX}"
end

BYTE_ORDER =

INT2FIX(BYTE_ORDER)

LITTLE_ENDIAN =

INT2FIX(LITTLE_ENDIAN)

BIG_ENDIAN =

INT2FIX(BIG_ENDIAN)

CPU =

rb_str_new2(CPU)

GNU_LIBC =

rb_str_new2(LIBC_SO)

Class Method Summary (collapse)

• + (Boolean) bsd?

  Test if current OS is a *BSD (include MAC).

• + (Boolean) is_os(os) private

  Test if current OS is os.

• + (Boolean) mac?

  Test if current OS is Mac OS.

• + (Boolean) unix?

  Test if current OS is a unix OS.

• + (Boolean) windows?

  Test if current OS is Windows.

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# File 'lib/ffi/platform.rb', line 107

def self.bsd?
  IS_BSD
end

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# File 'lib/ffi/platform.rb', line 66

def self.is_os(os)
  OS == os
end

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# File 'lib/ffi/platform.rb', line 119

def self.mac?
  IS_MAC
end

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# File 'lib/ffi/platform.rb', line 125

def self.unix?
  !IS_WINDOWS
end

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# File 'lib/ffi/platform.rb', line 113

def self.windows?
  IS_WINDOWS
end