(initial_env): Use small_printf's %P specifier.
* dll_init.cc (dll_list::alloc): Use PATH_MAX instead of CYG_MAX_PATH
for path name buffer size.
* dll_init.h (struct dll): Ditto.
* environ.cc: Include string.h.
(win_env::add_cache): Use temporary local buffer for path conversion.
(posify): Ditto.
* exceptions.cc (try_to_debug): Use CreateProcessW to allow long path
names.
* miscfuncs.cc: Drop unused implementations of strcasematch and
strncasematch.
(ch_case_eq): Drop.
(strcasestr): Drop.
(cygwin_wcscasecmp): New function.
(cygwin_wcsncasecmp): New function.
(cygwin_strcasecmp): New function.
(cygwin_strncasecmp): New function.
(cygwin_wcslwr): New function.
(cygwin_wcsupr): New function.
(cygwin_strlwr): New function.
(cygwin_strupr): New function.
* ntdll.h (RtlDowncaseUnicodeString): Declare.
(RtlUpcaseUnicodeString): Declare.
(RtlInt64ToHexUnicodeString): Fix typo in comment.
* string.h: Disable not NLS aware implementations of strcasematch
and strncasematch.
(cygwin_strcasecmp): Declare.
(strcasecmp): Define as cygwin_strcasecmp.
(cygwin_strncasecmp): Declare.
(strncasecmp): Define as cygwin_strncasecmp.
(strcasematch):Define using cygwin_strcasecmp.
(strncasematch):Define using cygwin_strncasecmp.
(cygwin_strlwr): Declare.
(strlwr): Define as cygwin_strlwr.
(cygwin_strupr): Declare.
(strupr): Define as cygwin_strupr.
* wchar.h: New file.
* wincap.cc (wincapc::init): Use "NT" as fix OS string.
* winsup.h (strcasematch): Drop declaration.
(strncasematch): Ditto.
(strcasestr): Ditto.
* uinfo.cc (pwdgrp::next_str): Search only for input char in string. Return
EOS on failure. Don't check for NULL since it shouldn't be possible.
(pwdgrp::add_line): Revert to replacing '\n' in input line with '\0'.
(pwdgrp::next_num): Pass explicit separator character to next_str.
* grp.cc (pwdgrp::parse_group): Ditto.
* passwd.cc (pwdgrp::parse_passwd): Ditto. Revamp test for garbage input.
* pwdgrp.h (pwdgrp::next_str): Don't use default parameter.
* pinfo.h (SIGCOMMUNE): New signal type.
(commune_result): New structure for commune functions.
(picom): New enum for commune functions.
(_pinfo::hello_pid): New. Pid who's communicating with me.
(_pinfo::tothem): New. Handle of communicating pipe.
(_pinfo::fromthem): Ditto.
(_pinfo::commune_recv): Declare.
(_pinfo::commune_send): Declare.
(_pinfo::alive): Declare.
(_pinfo::cmdline): Declare.
(_pinfo::lock): Declare.
* pinfo.cc (set_myself): Initialize new _pinfo lock.
(_pinfo::alive): Define. Determines if process still exists.
(_pinfo::commune_recv): Define. Receive info from another cooperating process.
(_pinfo::commune_send): Define. Send info to another cooperating process.
(_pinfo::cmdline): Define. Determine command line of a given process.
* include/sys/cygwin.h (CW_CMDLINE): Define.
*sigproc.cc (talktome): Communicate with any processes who want to talk to me.
(wait_sig): Honor __SIGCOMMUNE.
* fhandler.cc (fhandler_virtual::fixup_after_exec): Declare.
* fhandler_proc.cc: Use malloc/free/realloc throughout rather than cmalloc
since buffers don't need to be propagated to subprocesses.
* fhandler_registry.cc: Ditto.
* fhandler_virtual.cc: Ditto.
(fhandler_virtual::fixup_after_exec): Define.
* fhandler_process.cc: Ditto for malloc/free/realloc.
(process_listin): Add "cmdline".
(fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE.
* miscfuncs.cc (isalpha_array): New array populated with xor values for alpha
characters to switch from one case to another.
* string.h (cygwin_strcasematch): New asm implementation of case match.
* string.h (cygwin_nstrcasematch): New asm implementation of counted case
match.
* pinfo.h: Correctly set __SIGOFFSET.
* path.cc (hash_path_name): Avoid calling library functions for simple copying
of characters.
* shortcut.c: Use WIN32_LEAN_AND_MEAN.
* smallprint.c: Ditto.
* environ.cc (getwinenv): Minor clarity fix.
* localtime.c: No need to include windows.h
* string.h: New file.
