From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/test/fiddle/helper.rb | 124 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 jni/ruby/test/fiddle/helper.rb

(limited to 'jni/ruby/test/fiddle/helper.rb')

diff --git a/jni/ruby/test/fiddle/helper.rb b/jni/ruby/test/fiddle/helper.rb
new file mode 100644
index 0000000..bc98f85
--- /dev/null
+++ b/jni/ruby/test/fiddle/helper.rb
@@ -0,0 +1,124 @@
+require 'minitest/autorun'
+require 'fiddle'
+
+# FIXME: this is stolen from DL and needs to be refactored.
+
+libc_so = libm_so = nil
+
+case RUBY_PLATFORM
+when /cygwin/
+  libc_so = "cygwin1.dll"
+  libm_so = "cygwin1.dll"
+when /x86_64-linux/
+  libc_so = "/lib64/libc.so.6"
+  libm_so = "/lib64/libm.so.6"
+when /linux/
+  libdir = '/lib'
+  case [0].pack('L!').size
+  when 4
+    # 32-bit ruby
+    libdir = '/lib32' if File.directory? '/lib32'
+  when 8
+    # 64-bit ruby
+    libdir = '/lib64' if File.directory? '/lib64'
+  end
+  libc_so = File.join(libdir, "libc.so.6")
+  libm_so = File.join(libdir, "libm.so.6")
+when /mingw/, /mswin/
+  require "rbconfig"
+  libc_so = libm_so = RbConfig::CONFIG["RUBY_SO_NAME"].split(/-/).find{|e| /^msvc/ =~ e} + ".dll"
+when /darwin/
+  libc_so = "/usr/lib/libc.dylib"
+  libm_so = "/usr/lib/libm.dylib"
+when /kfreebsd/
+  libc_so = "/lib/libc.so.0.1"
+  libm_so = "/lib/libm.so.1"
+when /gnu/	#GNU/Hurd
+  libc_so = "/lib/libc.so.0.3"
+  libm_so = "/lib/libm.so.6"
+when /mirbsd/
+  libc_so = "/usr/lib/libc.so.41.10"
+  libm_so = "/usr/lib/libm.so.7.0"
+when /freebsd/
+  libc_so = "/lib/libc.so.7"
+  libm_so = "/lib/libm.so.5"
+when /bsd|dragonfly/
+  libc_so = "/usr/lib/libc.so"
+  libm_so = "/usr/lib/libm.so"
+when /solaris/
+  libdir = '/lib'
+  case [0].pack('L!').size
+  when 4
+    # 32-bit ruby
+    libdir = '/lib' if File.directory? '/lib'
+  when 8
+    # 64-bit ruby
+    libdir = '/lib/64' if File.directory? '/lib/64'
+  end
+  libc_so = File.join(libdir, "libc.so")
+  libm_so = File.join(libdir, "libm.so")
+when /aix/
+  pwd=Dir.pwd
+  libc_so = libm_so = "#{pwd}/libaixdltest.so"
+  unless File.exist? libc_so
+    cobjs=%w!strcpy.o!
+    mobjs=%w!floats.o sin.o!
+    funcs=%w!sin sinf strcpy strncpy!
+    expfile='dltest.exp'
+    require 'tmpdir'
+    Dir.mktmpdir do |dir|
+      begin
+        Dir.chdir dir
+        %x!/usr/bin/ar x /usr/lib/libc.a #{cobjs.join(' ')}!
+        %x!/usr/bin/ar x /usr/lib/libm.a #{mobjs.join(' ')}!
+        %x!echo "#{funcs.join("\n")}\n" > #{expfile}!
+        require 'rbconfig'
+        if RbConfig::CONFIG["GCC"] = 'yes'
+          lflag='-Wl,'
+        else
+          lflag=''
+        end
+        flags="#{lflag}-bE:#{expfile} #{lflag}-bnoentry -lm"
+        %x!#{RbConfig::CONFIG["LDSHARED"]} -o #{libc_so} #{(cobjs+mobjs).join(' ')} #{flags}!
+      ensure
+        Dir.chdir pwd
+      end
+    end
+  end
+else
+  libc_so = ARGV[0] if ARGV[0] && ARGV[0][0] == ?/
+  libm_so = ARGV[1] if ARGV[1] && ARGV[1][0] == ?/
+  if( !(libc_so && libm_so) )
+    $stderr.puts("libc and libm not found: #{$0} <libc> <libm>")
+  end
+end
+
+libc_so = nil if !libc_so || (libc_so[0] == ?/ && !File.file?(libc_so))
+libm_so = nil if !libm_so || (libm_so[0] == ?/ && !File.file?(libm_so))
+
+if !libc_so || !libm_so
+  ruby = EnvUtil.rubybin
+  ldd = `ldd #{ruby}`
+  #puts ldd
+  libc_so = $& if !libc_so && %r{/\S*/libc\.so\S*} =~ ldd
+  libm_so = $& if !libm_so && %r{/\S*/libm\.so\S*} =~ ldd
+  #p [libc_so, libm_so]
+end
+
+Fiddle::LIBC_SO = libc_so
+Fiddle::LIBM_SO = libm_so
+
+module Fiddle
+  class TestCase < MiniTest::Unit::TestCase
+    def setup
+      @libc = Fiddle.dlopen(LIBC_SO)
+      @libm = Fiddle.dlopen(LIBM_SO)
+    end
+
+    def teardown
+      if /linux/ =~ RUBY_PLATFORM
+        GC.start
+      end
+    end
+  end
+end
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