(fixup_shms_after_fork): Fix comment. Use NtMapViewOfSection rather
than MapViewOfFileEx to recreate shared memory regions. Add function
name to api_fatal output.
(shmat): Use NtMapViewOfSection to create shared memory region
top-down.
pointer-based newlib implementation.
(_ctype_b): Declare.
(__ctype_cp): Move to newlib. Declare.
(__ctype_iso): Ditto.
(__set_ctype): Implement changing __ctype_ptr__. Only copy character
class data in applications built under older Cygwin.
* cygwin.din (__ctype_ptr__): Export.
* include/ctype.h: Remove in favor of newlib implementation.
* include/cygwin/config.h (__EXPORT): Define alongside __IMPORT.
* include/cygwin/version.h (CYGWIN_VERSION_CHECK_FOR_OLD_CTYPE):
Define check for old vs. new ctype implementation.
Bump API minor number.
* faq-api.xml: Add FAQ entry "Why do some of my old symlinks don't
work anymore?"
* new-features.sgml: Fix symlink text. Add new UTF-16 symlinks.
* overview2.sgml: Add text about new UTF-16 symlinks and potential
problems with old symlinks.
* pathnames.sgml: Fix typo.
* setup2.sgml: Extend text about problems with symlinks.
with leading BOM marker.
(symlink_info::check_shortcut): If check for leading BOM marker
succeeds, read filename as UTF-16 string.
(symlink_info::check_sysfile): Ditto.
(__ctype_default): New character class array for default ASCII
character set.
(__ctype_iso): New array of character class array for ISO charsets.
(__ctype_cp): Ditto for singlebyte Windows codepages.
(tolower): Implement as distinct function to support any singlebyte
charset.
(toupper): Ditto.
(__set_ctype): New function to copy singlebyte character classes
corresponding to current charset to ctype_b array.
Align copyright text to upstream.
* dcrt0.cc (dll_crt0_1): Reset current locale to "C" per POSIX.
* environ.cc (set_file_api_mode): Remove.
(codepage_init): Remove.
(parse_thing): Remove "codepage" setting.
(environ_init): Set locale according to environment settings, or
to current codepage, before converting environment to multibyte.
* fhandler.h (fhandler_console::write_replacement_char): Drop argument.
* fhandler_console.cc (dev_console::str_to_con): Call sys_cp_mbstowcs
rather than MultiByteToWideChar.
(fhandler_console::write_replacement_char): Always print a funny
half filled square if a character isn't in the current charset.
(fhandler_console::write_normal): Convert to using __mbtowc
rather than next_char.
* fork.cc (frok::child): Drop call to set_file_api_mode.
* globals.cc (enum codepage_type) Remove.
(current_codepage): Remove.
* miscfuncs.cc (cygwin_wcslwr): Unused, dangerous. Remove.
(cygwin_wcsupr): Ditto.
(is_cp_multibyte): Remove.
(next_char): Remove.
* miscfuncs.h (is_cp_multibyte): Drop declaration.
(next_char): Ditto.
* strfuncs.cc (get_cp): Remove.
(__db_wctomb): New function to implement _wctomb_r functionality for
doublebyte charsets using WideCharToMultiByte.
(__sjis_wctomb): New function to replace unusable newlib function.
(__jis_wctomb): Ditto.
(__eucjp_wctomb): Ditto.
(__gbk_wctomb): New function.
(__kr_wctomb): Ditto.
(__big5_wctomb): Ditto.
(__db_mbtowc): New function to implement _mbtowc_r functionality for
doublebyte charsets using MultiByteToWideChar.
(__sjis_mbtowc): New function to replace unusable newlib function.
(__jis_mbtowc): Ditto.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): New function.
(__kr_mbtowc): New function
(__big5_mbtowc): New function
(__set_charset_from_codepage): New function.
(sys_wcstombs): Reimplement, basically using same wide char to multibyte
conversion as newlib's application level functions. Plus extras.
Add lengthy comment to explain. Change return type to size_t.
(sys_wcstombs_alloc): Just use sys_wcstombs. Change return type to
size_t.
(sys_cp_mbstowcs): Replace sys_mbstowcs, take additional codepage
argument. Explain why. Change return type to size_t.
(sys_mbstowcs_alloc): Just use sys_mbstowcs. Change return type to
size_t.
* wchar.h: Declare internal functions implemented in strfuncs.cc.
(wcscasecmp): Remove.
(wcsncasecmp): Remove.
(wcslwr): Remove.
(wcsupr): Remove.
* winsup.h (codepage_init): Remove declaration.
(get_cp): Ditto.
(sys_wcstombs): Align declaration to new implementation.
(sys_wcstombs_alloc): Ditto.
(sys_cp_mbstowcs): Add declaration.
(sys_mbstowcs): Define as inline function.
(sys_mbstowcs_alloc): Align declaration to new implementation.
(set_file_api_mode): Remove declaration.
* include/ctype.h (isblank): Redefine to use _B character class.
(toupper): Remove ASCII-only definition.
(tolower): Ditto.
is an administrator by inspecting user token.
(main): Drop fetching caller info from logonserver. Only fetch
server from environment when trying to change password for own
account. Drop admin check entirely in case of doing account
maintainance. Otherwise replace check for admin by result of
caller_is_admin call.
