changelog-1999

cygwin, 著名的在win32下模拟unix操作系统的东东

	into the mount table more than once.
	* utils/mount.cc (main): Add some orthogonality to the options.

Tue Oct 26 21:55:49 1999  Christopher Faylor <[e-mail]>

	* environ.cc (environ_init): Turn off ntsec by default.

Wed Oct 27 00:14:11 1999  J"orn Rennecke <[e-mail]>

	* fhandler.cc (fhandler_base::lseek): Take readahead into account.

Tue Oct 26 16:46:54 1999  Christopher Faylor <[e-mail]>

	* syscalls.cc (_unlink): Return EISDIR when attempting to unlink a
	directory.

Mon Oct 25 18:05:23 1999  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::read): Fix previous fix.

Mon Oct 25 13:46:44 1999  Christopher Faylor <[e-mail]>

	* dll_init.cc (add): Avoid allocating name for "LINK"ed DLLs.
	(DllList::forkeeLoadDlls): Only reload DLLs if they have been
	dlopen'ed.
	* grp.cc (parse_grp): Assign gr_mem when it is determined.

Sun Oct 24 21:55:48 1999  Christopher Faylor <[e-mail]>

	* dll_init.cc (struct dll): Add module name.
	(add): Add additional 'name' parameter for recording in dll structure.
	(reserve_upto): New function.
	(release_upto): Ditto.
	(DllList::forkeeLoadedDlls): Ditto.
	(DllList::forkeeStartLoadDlls): Remove.
	(DllList::forkeeEndLoadedDlls): Ditto.
	(DllNameIterator::*): Eliminate class.
	(LinkedDllNameIterator::*): Ditto.
	* dll_init.h: Reflect above changes.
	* fork.cc (fork): Don't generate a list of dlls to load in the parent.
	Let the child do it.  Use new DllList::forkeeLoadDlls to load DLLs.
	* smallprint.c (__small_vsprintf): No need for a sign on a Win32 error.
	(small_printf): Move function here from strace().
	* strace.cc (small_printf): Move to smallprint.c
	* include/sys/strace.h: Always declare small_printf.

Sun Oct 24 02:22:13 1999  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::read): Work around C bug.

Tue Oct 19 22:10:21 1999  Christopher Faylor <[e-mail]>

	* dll_init.cc: Add some external symbols to allow thread-safe
	compilation.

Tue Oct 19 21:09:42 1999  Christopher Faylor <[e-mail]>

	Make minor changes throughout to accommodate new gcc merge.
	* Makefile.in: Remvoe -fpermissive option when compiling using g++.
	* dcrt0.cc (noload): Mark as "unused" to avoid a compiler warning.
	* exceptions.cc (sigreturn): Make this "extern" since it essentially
	*is* extern.
	* fork.cc (sync_with_parent): Modify to cause the macro to be
	considered void.
	* heap.cc (sbrk): Remove debugging code.
	* passwd.cc (getpass): Don't use fprintf to print the prompt.
	* path.cc (mount_info::conv_to_win32_path): Accommodate compiler
	warning.
	* select.cc (cygwin_select): Experimental version of select which
	handles fd_sets with non-standard FD_SETSIZE.
	(select_stuff::wait): Ditto.
	* termios.cc (tcgetattr): Avoid a compiler warning.
	(cftospeed): Ditto.
	(cftispeed): Ditto.
	* uinfo.cc (netapi32_init): Ditto.
	* winsup.h (api_fatal): Simplify and avoid a compiler warning.
	* include/sys/strace.h (system_printf): Ditto.
	(strace_printf_wrap): Modify to cause the macro to be considered void.
	(strace_printf_wrap1): Ditto.

1999-10-19  DJ Delorie  <[e-mail]>

	* Makefile.in (.cc.o): add -fpermissive to avoid g++'s conformance
	madness.
	* environ.cc (_findenv): rename to my_findenv to avoid newlib
	prototype.
	* syscalls.cc (logout): remove braces around _PATH_UTMP

Sat Oct 16 22:53:02 1999  Christopher Faylor <[e-mail]>

	* path.cc (mount_info::cygdrive_posix_path): Properly terminate string
	after Oct 11 change below.

Fri Oct 15 23:02:39 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (stack_info): Reimplement stack handling routines in
	new stack_info class.
	(stack_info::brute_force): Just fill out the same structure as
	StackWalk.
	(stack_info::walk): Just fill out stack info.
	(stack): Use stack_info class stuff to iterate over and display the
	stack.

Fri Oct 15 00:32:13 1999  Christopher Faylor <[e-mail]>

	* include/cygwin/version.h: Bump some versions.

Oct 5 11:45:00 1999  Corinna Vinschen  <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Delete calls to get_WHOEVER_sid.  Move call to
	uinfo_init() to the end of the function.
	* fhandler.cc (get_file_owner): Substitute call to get_id_from_sid()
	with call to get_uid_from_sid().
	(get_file_group): Substitute call to get_id_from_sid() with call to
	get_gid_from_sid().
	* fork.cc (fork): Copy new pinfo members to child.
	* grp.cc (parse_grp): Rewritten.  Saves gr_passwd and all user names in
	gr_mem.
	(read_etc_group): Variable `group_sem' avoids endless loop.
	* passwd.cc (read_etc_passwd): Variable `passwd_sem' avoids endless
	loop.
	* security.cc (get_sid): New function to generate SID from int values.
	(get_ssid): New function to generate SID from string.
	(get_pw_sid): New function to generate SID from pw_gecos entry.
	(get_gr_sid): New function to generate SID from gr_passwd entry.
	(get_admin_sid): Rewritten to avoid using heap space.
	(get_system_sid): Ditto.
	(get_creator_owner_sid): Ditto.
	(get_world_sid): Ditto.
	(get_id_from_sid): Try to read SIDs from /etc/passwd or /etc/group
	files before using RID or Lookup...  function.
	(legal_sid_type): New function.
	(lookup_name): Rewritten to use the logon server info, if any.
	(alloc_sd): Try to use SID from /etc/passwd and /etc/group files before
	call to lookup_name().
	(alloc_sd): New parameter for logon server.
	(set_nt_attribute): Ditto.
	(set_file_attribute): Ditto.
	* shared.cc (sec_user): If SID is saved in myself, use it instead of
	calling lookup_name().
	* shared.h: struct pinfo got extended user information.
	* spawn.cc (spawn_guts): method for forcing reread /etc files changed.
	(_spawnve): Copy new pinfo members to child.
	* syscalls.cc (chown): Change call to set_file_attribute().
	(chmod): Ditto.
	* uinfo.cc (internal_getlogin): New function.
	(uinfo_init): Calls internal_getlogin() now.
	(getlogin): Uses myself->username now.
	* winsup.h: extern HANDLE netapi32_handle; Change prototypes for
	set_file_attribute(), lookup_name(), get_id_from_sid().  New inline
	functions get_uid_from_sid() and get_gid_from_sid().
	* utils/mkgroup.c: Adapt to the new ntsec features.
	* utils/mkpasswd.c: Ditto.

Thu Oct 14 23:46:03 1999  Christopher Faylor <[e-mail]>

	Replace calls to GetCurrentProcess() with hMainProc throughout.
	* autoload.h: Implement LoadDLLinitnow() function to force the loading
	of a DLL.
	* cygwin.din: Export cygwin_stackdump.
	* dcrt0.cc (dll_crt0): Set up hMainProc and hMainThread here.
	* dll_init.cc (dll_dllcrt0_1): Ditto.
	* environ.cc (parse_options): New "oldstack" option for forcing the use
	of the old stack walking code.
	* exceptions.cc (signals_init): Remove.
	(err_printf): Remove.  Use small_printf throughout.
	(sfta): New helper function for StackWalk.
	(sgmb): Ditto.
	(stack_brute_force): Renamed from old stack walk function.  Now uses
	frame pointer from context handler.
	(stack_walk): New function.  Uses Windows API to walk the stack.
	(stack): Reimplement to attempt to load imagehlp.dll.  If this succeeds
	use stack_walk() to display stack info, otherwise use
	stack_brute_force.
	(cygwin_stackdump): Temporary (?) function for displaying a stack dump
	from the called location.
	(stackdump): Accept new parameters for passing to stack().
	(handle_exceptions): Call stackdump with new parameters needed to walk
	the stack.
	* fhandler.cc (fhandler_base::read): Fix potential buffer overrun.  Fix
	end of buffer problems when \r is not followed by a \n.
	(fhandler_base::lseek): Avoid flushing read ahead when not moving the
	file pointer.
	* fhandler_termios.cc (fhandler_termios::set_ctty): Add a debugging
	statement.
	* sigproc.cc (sigproc_init): Eliminate obsolete signals_init function.
	* winsup.h: Add some declarations.

Wed Oct 13 09:02:32 1999  Kazuhiro Fujieda <[e-mail]>

	* path.cc (readlink): Return errno correctly when it can't find the
	target symlink.

Tue Oct 12 13:02:08 1999  Christopher Faylor <[e-mail]>

	* syscalls.cc (setsid): Only reset sid/pgid when NOT process group
	leader.
	* tty.cc (tty_list::allocate_tty): Don't set sid to myself.  The first
	tty open should do that.

Mon Oct 11 23:13:29 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (noload): Issue appropriate Windows error.
	* fhandler_termios.cc (fhandler_termios::ctty): Don't automatically set
	sid, etc., unless the current pid associated with the tty's sid does
	not exist.
	* path.cc (mount_info::cygdrive_posix_path): Avoid copying beyond the
	end of buffer or suffer garbage.
	* pinfo.cc (pinfo_init): Restore sid behavior of a year ago.  The sid
	should be the same as the pid to be equivalent to UNIX.
	(pinfo_list::operator []): Add more bounds checking.

Sun Oct 10 14:08:30 1999  Christopher Faylor <[e-mail]>

	* select.cc (select): Return error if n > FD_SETSIZE.  This is a
	temporary fix.

Sun Oct 10 13:56:14 1999  Christopher Faylor <[e-mail]>

	* path.cc (iscygdrive_device): Be more precise in detecting when a
	"cygdrive" device.  This should allow 'mkdir -p' to work correctly.

Fri Oct 08 08:55:31 1999  Kazuhiro Fujieda  <[e-mail]>

	* path.cc (symlink_check_one): set errno to EINVAL on socket files
	same as normal files.

1999-10-06  DJ Delorie  <[e-mail]>

	* include/oaidl.h (IDispatch.GetIDsOfNames): Use DISPID* not DISPID

1999-10-06  DJ Delorie  <[e-mail]>

	* exceptions.cc (err_printf): new function; print to stderr
	without strace's clutter.  The stacktrace functions use this, so
	the stacktrace files should be cleaner.
	(exception): Print segment registers also
	(stack): include a peek at the function's arguments

Tue Oct  5 16:33:17 1999  Christopher Faylor <[e-mail]>

	* hinfo.cc (hinfo::extend): Eliminate inappropriate test for boundary
	condition.

1999-10-04  DJ Delorie  <[e-mail]>

	* config/i386/longjmp.c: don't restore %fs (Paul Sokolovsky
	<[e-mail]>)

1999-10-04  DJ Delorie  <[e-mail]>

	* localtime.c (tzsetwall): Handle Asian Windows strings correctly
	(from Kazuhiro Fujieda <[e-mail]>).

Sat Oct 2 23:00:00 1999  Corinna Vinschen  <[e-mail]>

	* include/lm*.h:  Correct multiple problems in lan manager
	header files.

Sun Oct  3 14:29:53 1999  Christopher Faylor <[e-mail]>

	* sysdef/imagehlp.def: New file. Definitions for imagehlp.dll.
	* include/imagehlp.h: Ditto.
	* include/winbase.h: YA missing structure.

Fri Oct 1 11:16:00  Corinna Vinschen  <[e-mail]>

	* security.cc (alloc_sd): Correct setting of FILE_DELETE_CHILD.
	(get_file_attribute): Read ntea attributes only if ntsec is disabled.
	* syscalls.cc (_unlink): Don't queue file into delqueue if DeleteFile
	returns ERROR_ACCESS_DENIED.

1999-09-30  Mumit Khan  <[e-mail]>

	* init.cc (dll_entry): Remove static_load case.
	* dcrt0.c (set_os_type): Make it externally visible.
	* dll_init.cc (dll_dllcrt0_1): Update noncygwin initialization for
	post-b20.1 code.

1999-09-30  DJ Delorie  <[e-mail]>

	* times.cc: declare _timezone and _daylight properly

Wed Sep 29 23:57:40 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (do_exit): Remove EXIT_SIGNAL mask when exiting.  It is not
	correct given changes to really_exit.
	* select.cc (peek_serial): Work around apparent Windows bug.

1999-09-29  Norbert Schulze  <[e-mail]>

	* times.cc (timezone): revert 'return TZ if set' patch.
	* times.cc (timezone): uses now tzset() and _timezone.
	* times.cc (gettimeofday): ditto.
	* localtime.c (tzsetwall): no negative minutes if offset is negativ.
	* localtime.c (tzsetwall): minutes place holder was missing if
	minutes == 0 and seconds !=0 (h:0:s).
	* localtime.c (tzsetwall): if timezone has no daylight saving
	(tz.StandardDate.wMonth==0) generate no daylight saving parameters.

Sat Sep 25 15:11:04 1999  Christopher Faylor <[e-mail]>

	* fhandler_termios.cc (fhandler_termios::bg_check): Accept a new
	argument to control whether we should worry about blocking signals.
	* fhandler.h: Ditto.
	* syscalls.cc (read_handler): Accept a new argument for passing to
	bg_check.
	(read): Inform read_handler if signals are blocked or not.
	* termios.cc: Throughout, reorganize to always block signals before
	calling bg_check.

Sat Sep 25 13:36:06 1999  Christopher Faylor <[e-mail]>

	* fhandler.h (fhandler_termios::line_edit): Add an extra argument.
	* fhandler_serial.cc (fhandler_serial::open): Maintain consisten
	fAbortOnError state.
	* fhandler_termios.cc (fhandler_termios::line_edit): Use new
	"always_accept" argument to control whether input_done is set
	regardless of canonical state.
	* fork.cc (vfork): Duplicate "parent's" fd table.
	* hinfo.cc (hinfo::dup_worker): New method.
	(dup2): Use new dup_worker method.
	(hinfo::fixup_after_fork): Lock dtable prior to operating on it.
	(hinfo::vfork_child_dup): New method.  Duplicates dtable for vfork.
	(hinfo::vfork_parent_restore): New method.  Restores dtable when vfork
	exits.
	* net.cc (set_winsock_errno): Make global.
	* pipe.cc (pipe): Default mode to binary unless *explicitly* set to
	text.