* load.c (rb_feature_p): deal with default loadable suffixes.
* load.c (load_lock): initialize statically linked extensions.
* load.c (search_required, rb_require_safe): deal with statically
  linked extensions.
* load.c (ruby_init_ext): defer initalization of statically linked
  extensions until required actually.  [Bug #8883]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43514 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (rb_load_internal): split to suppress false "clobbered"
  warning by gcc 4.4.5.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (rb_load_internal): use local variable th instead of
  GET_THREAD() for each time.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (ruby_init_ext): share feature names between frame name and
  provided features.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43449 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (load_lock): display backtrace to $stderr at circular
  require.
* vm_backtrace.c (rb_backtrace_print_to): new function to print
  backtrace to the given output.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (rb_load_internal): use rb_load_file_str() to keep path
  encoding.
* load.c (rb_require_safe): search in OS path encoding for Windows.
* ruby.c (rb_load_file_str): load file with keeping path encoding.
* win32/file.c (rb_file_load_ok): use WCHAR type API assuming incoming
  path is encoded in UTF-8.  [ruby-core:56136] [Bug #8676]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (rb_load_internal): suppress clobbered-by-longjmp warning by
  gcc 4.4.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  when $SAFE is set to 4.  $SAFE=4 is now obsolete.
  [ruby-core:55222] [Feature #8468]

* object.c (rb_obj_untrusted, rb_obj_untrust, rb_obj_trust):
  Kernel#untrusted?, untrust, and trust are now deprecated.
  Their behavior is same as tainted?, taint, and untaint,
  respectively.

* include/ruby/ruby.h (OBJ_UNTRUSTED, OBJ_UNTRUST): OBJ_UNTRUSTED()
  and OBJ_UNTRUST() are aliases of OBJ_TAINTED() and OBJ_TAINT(),
  respectively.

* array.c, class.c, debug.c, dir.c, encoding.c, error.c, eval.c,
  ext/curses/curses.c, ext/dbm/dbm.c, ext/dl/cfunc.c,
  ext/dl/cptr.c, ext/dl/dl.c, ext/etc/etc.c, ext/fiddle/fiddle.c,
  ext/fiddle/pointer.c, ext/gdbm/gdbm.c, ext/readline/readline.c,
  ext/sdbm/init.c, ext/socket/ancdata.c, ext/socket/basicsocket.c,
  ext/socket/socket.c, ext/socket/udpsocket.c,
  ext/stringio/stringio.c, ext/syslog/syslog.c, ext/tk/tcltklib.c,
  ext/win32ole/win32ole.c, file.c, gc.c, hash.c, io.c, iseq.c,
  load.c, marshal.c, object.c, proc.c, process.c, random.c, re.c,
  safe.c, string.c, thread.c, transcode.c, variable.c,
  vm_insnhelper.c, vm_method.c, vm_trace.c: remove code for
  $SAFE=4.

* test/dl/test_dl2.rb, test/erb/test_erb.rb,
  test/readline/test_readline.rb,
  test/readline/test_readline_history.rb, test/ruby/test_alias.rb,
  test/ruby/test_array.rb, test/ruby/test_dir.rb,
  test/ruby/test_encoding.rb, test/ruby/test_env.rb,
  test/ruby/test_eval.rb, test/ruby/test_exception.rb,
  test/ruby/test_file_exhaustive.rb, test/ruby/test_hash.rb,
  test/ruby/test_io.rb, test/ruby/test_method.rb,
  test/ruby/test_module.rb, test/ruby/test_object.rb,
  test/ruby/test_pack.rb, test/ruby/test_rand.rb,
  test/ruby/test_regexp.rb, test/ruby/test_settracefunc.rb,
  test/ruby/test_struct.rb, test/ruby/test_thread.rb,
  test/ruby/test_time.rb: remove tests for $SAFE=4.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* array.c, math.c, thread_pthread.c, iseq.c, enum.c, string.c, io.c,
  load.c, compile.c, struct.c, eval.c, gc.c, parse.y, process.c,
  error.c, ruby.c: Remove the definitions of numberof.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* load.c (loaded_feature_path): fix invalid read by index underflow.
  the beginning of name is also a boundary as well as just after '/'.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e