unixsocket.c: check NUL bytes

	* ext/socket/unixsocket.c (rsock_init_unixsock): check NUL bytes.
	  https://hackerone.com/reports/302997

	unixsocket.c: abstract namespace

	* ext/socket/unixsocket.c (unixsock_path_value): fix r62991 for
	  Linux abstract namespace.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@63003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	socket.c: null byte at Socket.getnameinfo

	* ext/socket/socket.c (sock_s_getnameinfo): check null byte.
	  patched by tommy (Masahiro Tomita) in [ruby-dev:50286].
	  [Bug #13994]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62904 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	rational.c: infinity in power

	* rational.c (nurat_expt): return 0 due to overflow.
	  [ruby-core:79686] [Bug #13242]:
	------------------------------------------------------------------------
	r57690 | nobu | 2017-02-23 10:15:27 +0900 (Thu, 23 Feb 2017) | 7 lines

	[DOC] {read,write}_nonblock with exception: false

	Update docs to reflect EOF behavior change of read_nonblock and
	write_nonblock when using `exception: false`.

	[Fix GH-1527]
	Author:    Russell Davis <russell-stripe@users.noreply.github.com>
	------------------------------------------------------------------------
	r57691 | nobu | 2017-02-23 10:54:13 +0900 (Thu, 23 Feb 2017) | 11 lines

	socket.rb: [DOC] fix nonblock methods

	* ext/socket/lib/socket.rb (BasicSocket#recv_nonblock): fix
	  exception class and symbol.

	* ext/socket/lib/socket.rb (BasicSocket#recvmsg_nonblock): ditto.

	* ext/socket/lib/socket.rb (Socket#recvfrom_nonblock): fix the
	  method name.

	* ext/socket/lib/socket.rb (UDPSocket#recvfrom_nonblock): both.
	------------------------------------------------------------------------
	r57692 | nobu | 2017-02-23 11:00:28 +0900 (Thu, 23 Feb 2017) | 1 line

	[DOC] keyword argument _exception_
	------------------------------------------------------------------------
	r57693 | nobu | 2017-02-23 11:11:16 +0900 (Thu, 23 Feb 2017) | 1 line

	[DOC] mark up literals
	------------------------------------------------------------------------
	r57694 | nobu | 2017-02-23 11:40:17 +0900 (Thu, 23 Feb 2017) | 3 lines

	Revert r57690 except for read_nonblock

	https://github.com/ruby/ruby/pull/1527#issuecomment-281867551

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Made possible by r56795, this reduces human and byte code size.

* ext/socket/lib/socket.rb (self.ip_sockets_port0,
  self.tcp_server_sockets_port0,
  self.tcp_server_sockets,
  self.udp_server_sockets): use symbol proc

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* ext/socket/lib/socket.rb: remove unnecessary closed checks,
  close on closed socket no longer raises an exception.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* ext/socket/lib/socket.rb (connect_{from,to}, connect): let use
  keyword arguments.

* ext/socket/lib/socket.rb (Socket.tcp): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56778 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* ext/socket/lib/socket.rb (UDPSocket#recvfrom_nonblock): [DOC] Remove
  a false statement "If _maxlen_ is omitted, its default value is
  65536." maxlen, the first parameter, cannot be omitted as the method
  signature indicates. This hasn't changed ever since it was first
  implemented.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* numeric.c: [DOC] update document for Integer class.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  [fix GH-1378][ci skip] Patch by @schneems

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56346 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* fix typos, "a" before "Integer" to "an".  [Fix GH-1438]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56225 b2dd03c8-39d4-4d8f-98ff-823fe69b080e