structure of newlib.
* sigproc.h (sig_send): Add exception parameter to sig_send.
* sigproc.cc (sig_send): Ditto. Use it when setting frame info.
* exceptions.cc (handle_exceptions): Use exception flag when calling sig_send.
[sigframe::~sigframe]: Clear exception field.
[sigframe::set]: Set exception field from caller.
* sigproc.cc (sig_send): Set exception field when frame pointer is passed in.
* exceptions.cc (interrupt_on_return): Always treat exception as interruptible.
* cygheap.cc: Include security.h.
* grp.cc (internal_getgrent): New function.
(getgroups): Rearranged using `internal_getgrent' and the new
`cygsid' class.
* passwd.cc (internal_getpwent): New function.
* sec_acl.cc: Use new `cygsid' class throughout.
(acl_access): Use `internal_getgrent' instead of `getgrent'.
* sec_helper.cc: Use new `cygsid' class throughout.
(get_id_from_sid): Use `internal_getgrent' instead of `getgrent'.
Use `internal_getpwent' instead of `getpwent'.
* security.cc: Use new `cygsid' class throughout.
* security.h: Move `MAX_SID_LEN' from winsup.h to here.
Add extern declarations for `internal_getgrent' and `internal_getpwent'.
(class cygsid): New class.
* shared.cc (sec_user): Use new `cygsid' class.
* syscalls.cc (seteuid): Try to set owner to user and primary group to
current group in impersonation token before performing impersonation.
(setegid): Try to set primary group in process token to the new group
if ntsec is on.
* uinfo.cc (internal_getlogin): Use new `cygsid' class.
Try to set owner to user and primary group to current group in process
token if the process has been started from a non cygwin process.
(uinfo_init): Set primary group only if the process has been started
from a non cygwin process.
* winsup.h: Move define for `MAX_SID_LEN' to security.h.
* libc/stdio/vprintf.c (vprintf): fix signature to use _DEFUN
* libc/stdio/vprintf.c (_vprintf_r): new function
* libc/stdio/vsnprintf.c (vsnprintf): fix signature to use _DEFUN
* libc/stdio/vsnprintf.c (_vsnprintf_r): fix signature to use
_DEFUN, and call _vfprintf_r, not vfprintf.
* libc/stdio/vsprintf.c (vsprintf.c): fix signature to use _DEFUN
* libc/stdio/vsprintf.c (_vsprintf_r): fix signature to use
_DEFUN, and call _vfprintf_r, not vfprintf.
* fhandler.h (fhandler_base::set_open_status): New method. Stores original
open status.
(fhandler_base::get_open_status): New method. Retrieves original open status.
(fhandler_base::reset_to_open_binmode): New method.
* fhandler.cc (fhandler_base::open): Save open status.
(fhandler_base::init): Ditto.
* fhandler_clipboard.cc (fhandler_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_dsp.cc (fhandler_dsp::open): Ditto.
* fhandler_dev_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_dev_random.cc (fhandler_dev_random::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tty_slave.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tty_master.cc (fhandler_tty_master::open): Ditto.
* fhandler_dev_zero.cc (fhandler_dev_zero::open): Ditto.
* syscalls.cc (setmode): Rework so that 0 mode value causes reversion to open
state.
* fhandler_tty_slave.cc (fhandler_tty_slave::read): Use correct multiplier when
converting from deciseconds to milliseconds.
* path.cc (check_sysfile): Ditto.
(symlink_info::check): Rely on opened file handle being closed by symlink
checking routines. Set ext_tacked_on when .lnk is detected.
* libc/include/stdio.h[!_REENT_ONLY]: Moved various functions together
into one list.
[!__STRICT_ANSI__]: Moved non-ANSI I/O functions in this list.
(vfscanf, vscanf, vsscanf, _vfscanf_r, _vscanf_r, _vsscanf_r): New
function prototypes.
(_fscanf_r, _sscanf_r): Ditto.
* libc/include/stdlib.h: Added _strtod_r prototype.
* libc/stdio/Makefile.am: Add new v*scanf functions.
* libc/stdio/Makefile.in: Regenerate.
* libc/stdio/fscanf.c: Reorganized so HAVE_STDC only affects prototype
and code is shared. Added reentrant _fscanf_r which calls __svfscanf_r. * libc/stdio/scanf.c: Changed to call __svfscanf_r.
* libc/stdio/sscanf.c: Changed documentation to add reentrant routines.
(sscanf): Changed to call __svfscanf_r with _REENT argument.
(_sscanf_r): New routine.
* libc/stdio/local.h: Removed __svfscanf prototype and replaced it
with __svfscanf_r prototype.
* libc/stdio/vfscanf.c (vfscanf, _vfscanf_r: New
routines.
(__svfscanf_r): Reentrant version of __svfscanf which takes reetrancy
structure as argument as calls reentrant versions of helper functions
(e.g. _strtol_r, _strtoul_r). Also replaced calls to atol and atof
to _strtol_r and _strtod_r respectively.
* libc/stdio/vfscanf.c: Also changed __svfscanf to call __svfscanf_r.
* libc/stdlib/strtod.c (strtod): Changed to call _strtod_r with
_REENT argument.
* libc/stdio/vscanf.c: New file.
* libc/stdio/vsscanf.c: Ditto.
* sec_helper.cc (set_process_privilege): Rename from
`set_process_privileges'. Takes the privilege to enable or disable
as parameter now.
* security.h: Add prototype for `set_process_privileges'.
* security.cc: Swap out several functions.
* sec_acl.cc: New file. Move Sun compatibel ACL functions from
`security.cc' to here.
* sec_helper.cc: New file. Move security helper functions from
`security.cc' to here.
* security.h: Changed to accomodate the above changes.
* grp.cc: Replace `group_in_memory_p' by `group_state'.
Eliminate group_sem throughout.
(enum grp_state): New enumeration type.
(read_etc_group): Make race safe.
* security.cc: Eliminate group_sem throughout.