encoding.c: refill terminator at associating encoding

* encoding.c (rb_enc_associate_index): refill the terminator if it
  becomes longer than before.  [ruby-dev:47500] [Bug #8624]
* string.c (str_null_char, str_fill_term): get rid of out of bound
  access.
* string.c (rb_str_fill_terminator): add a parameter for the length of
  new terminator.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
signal.c: for valgrind

* signal.c (ruby_signal): suppress valgrind error in
  install_sighandler().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/fiddle/win32/lib/win32/registry.rb
  (Win32::Registry::API#make_wstr): same as r41922.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41932 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/rubygems/psych_additions.rb: Ignore Psych docs here


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41933 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-07-13

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (biglsh_bang): Removed.
  (bigrsh_bang): Ditto.
  (bigmul1_toom3): Use bary_small_lshift and bary_small_rshift.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ext/win32: move

* ext/win32: move from ext/dl and ext/fiddle.  since ext/extmk.rb
  builds extensions in alphabetical order, compiled?('fiddle') under
  ext/dl makes no sense.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41936 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
encoding.c: new termlen not oldtermlen

* encoding.c (rb_enc_associate_index): fill new terminator length, not
  old one.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* properties.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (bary_small_lshift): Functions moved to remove
  declaration.
  (bary_small_rshift): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41939 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (bary_small_lshift): Use size_t instead of long.
  (bary_small_rshift): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (big_shift3): New function.
  big_lshift and big_rshift are merged.
  (big_shift2): New function.
  (big_lshift): Use big_shift3.
  (big_rshift): Ditto.
  (check_shiftdown): Removed.
  (rb_big_lshift): Use big_shift2 and big_shift3.
  (rb_big_rshift): Ditto.
  (big_lshift): Removed.
  (big_rshift): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41942 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (bary_mul_precheck): Use bary_small_lshift or
  bary_mul_normal if xl is 1.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41955 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-07-14

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (big_shift): Avoid signed integer overflow.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (rb_big_aref): Less scan when the number is negative.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (DIGSPERLONG): Unused macro removed.
  (DIGSPERLL): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41961 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* bignum.c (bary_subb): Support xn < yn.
  (bigsub_core): Removed.
  (bigsub): Don't compare before subtraction.  Just subtract and
  get the two's complement if the subtraction causes a borrow.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in: Check __builtin_popcountl, __builtin_bswap32 and
  __builtin_bswap64.

* internal.h (swap32): Use the configure result for the condition to
  use __builtin_bswap32.
  (swap64): Use the configure result for the condition to use
  __builtin_bswap64.

* bignum.c (ones): Use the configure result for the condition to use
  __builtin_popcountl.
  (bary_unpack_internal): Use appropriate types for swap argument.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41963 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
encoding.c: terminator in enc_set_index

* encoding.c (enc_set_index): deal with terminator so that
  rb_enc_set_index also works.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e