delta/ruby.git/util.c, branch ruby_2_4

revert r62797, r62784. [Bug #13863]

2018-03-18T03:57:37+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62801 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) 58745,58780,59040,60743: [Backport #13863]

2018-03-16T17:34:44+00:00

	rb_w32_ugetcwd: UTF-8 version getcwd

	* dir.c (rb_dir_getwd): convert from UTF-8.

	* win32/win32.c (w32_getcwd): codepage aware getcwd using
	  GetCurrentDirectoryW.
	potential memory leak

	* dir.c (rb_dir_getwd): get rid of potential memory leak.

	* util.c (ruby_getcwd): ditto.
	file.c: realpath in OS path encoding

	* dir.c (rb_dir_getwd_ospath): return cwd path in the OS path
	  encoding.

	* file.c (rb_realpath_internal): work in the OS path encoding
	load.c: cwd encoding

	* load.c (rb_get_expanded_load_path): save cwd cache in OS path
	  encoding, to get rid of unnecessary conversion and infinite
	  loading when it needs encoding conversion.
	  [ruby-dev:50221] [Bug #13863]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@62784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) 58796: [Backport #13545]

2017-07-09T19:51:43+00:00

	Merge latest dtoa.c [Bug #13545]

	Apply some part of http://www.netlib.org/fp/dtoa.c with my eyes...

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@59298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

merge revision(s) 57763:

2017-03-12T16:22:05+00:00

	fix for mingw64

	* util.c: define MINGW_HAS_SECURE_API for qsort_s on recent
	  mingw64.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

util.c: round to even

2016-11-04T07:31:47+00:00

* util.c (ruby_dtoa): round to even, instead of rounding to
  nearest.  [ruby-core:77864] [Bug #12889]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

util.c: do not underflow

2016-07-15T08:08:59+00:00

* util.c (ruby_strtod): do not underflow only by preceeding zeros,
  which may be canceled out by the exponent.
  http://twitter.com/kazuho/status/753829998767714305

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55689 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

util.c: round nearly middle value

2016-07-10T05:27:27+00:00

* util.c (ruby_dtoa): [EXPERIMENTAL] adjust the case that the
  Float value is close to the exact but unrepresentable middle
  value of two values in the given precision, as r55604.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55621 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

util.c: qsort_s

2016-05-11T08:18:56+00:00

* util.c (ruby_qsort): use qsort_s if available, for Microsoft
  Visual Studio 2005 (msvcr80.dll) and mingw.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54974 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* gc.c (rb_gc_unprotect_logging): throw rb_memerror when it cannot

2016-05-08T17:52:38+00:00

  allocate memory. This is pointed out by Facebook's Infer.

* gc.c (gc_prof_setup_new_record): ditto.

* regparse.c (parse_regexp): ditto.

* util.c (MALLOC): use xmalloc and xfree like above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

prefer rb_syserr_fail

2015-12-23T08:57:48+00:00

* file.c, io.c, util.c: prefer rb_syserr_fail with saved errno
  over setting errno then call rb_sys_fail, not to be clobbered
  potentially and to reduce thread local errno accesses.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e