oem/ansi codepage support

[Egor Duda]

Hi!

  this    patch    allows    to   specify   CYGWIN=codepage:oem   or
CYGWIN=codepage:ansi  and  force  cygwin  to use appropriate codepage.
Default codepage is ansi, as it is currently.
There's  one  caveat  in  this  patch:  cygwin  performs  switching to
specified   codepage  after  initializing  the  environment,  so  all
initializations   performed   before  environ_init()  will  use  ansi
codepage.   as  far  as  i can see, there's no codepage-dependant code
in those initializations now, but they may appear in the future.

Egor.            mailto:deo@logos-m.ru ICQ 5165414 FidoNet 2:5020/496.19
oem-cp-support.ChangeLog
oem-cp-support.diff

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2000-11-23  Egor Duda <deo@logos-m.ru>

	* autoload.cc: Autoload CharToOemA.
	* dcrt0.cc (dll_crt0_1): If current codepage is OEM, translate
	command line to it.
	* environ.cc: Add new option 'codepage' to CYGWIN environment
	variable.
	* fhandler_clipboard.cc (fhandler_clipboard::read): If current
	codepage is OEM, read clipboard in OEM mode.
	* fhandler_console.cc (fhandler_console::read): Only thanslate
	console input if current codepage is ANSI.
	* fhandler_console.cc (fhandler_console::write_normal): If current
	codepage is ANSI, translate output data.
	* pinfo.cc (codepage_init): New function. Setup current codepage
	from CYGWIN environment variable and set codepage for file APIs.
	* security.cc (read_sd): If current codepage is OEM, translate file
	name to it.
	* winsup.h: (sys_wcstombs,sys_mbstowcs): Use current codepage for
	translations between multibyte and widechar string and vice versa.
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