* mips.h (EF_MIPS_XGOT): Define.

[newlib-cygwin.git] / winsup / cygwin / ChangeLog

2003-01-27  Christopher Faylor  <cgf@redhat.com>

	* passwd.cc (pwdgrp::parse_passwd): Be more unforgiving about
	non-numeric fields.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* uinfo.cc (pwdgrp::next_num): Remove check for NULL since it is no
	longer a valid return from next_str.
	(pwdgrp::add_line): Duh. Revert to use strchr.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* string.h (strechr): New function.
	* 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.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* uinfo.cc (pwdgrp::load): Regularize strace output.  Add warning for
	CreateFile failure.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* passwd.cc (pwdgrp::parse_passwd): Eliminate use of memset.  The
	structure should always be completely filled out.
	* grp.cc (pwdgrp::parse_group): Ditto.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* grp.cc (pwdgrp::parse_group): Fix off-by-one problem in allocating
	gr_mem.

2003-01-26  Christopher Faylor  <cgf@redhat.com>

	* include/sys/strace.h (paranoid_printf): Define as not being part of
	"all" output.

2003-01-25  Christopher Faylor  <cgf@redhat.com>

	* pwdgrp.h (pwdgrp::next_num): Rename from next_int.  Returns
	true/false if parse operation succeeded.
	(pwdgrp::reparse): Remove.
	(pwdgrp::raw_ptr): New function.  Returns pointer in line.
	(pwdgrp::next_num): New functions for parsing other than unsigned long.
	* grp.cc (pwdgrp::parse_group): Reinstate previous parsing behavior.
	Don't fill in fields with NULL and assign empty gr_mem to known pointer
	rather than doing a pointless calloc.  Streamline gr_mem parsing.
	Don't increment curr_lines here.
	* passwd.cc (pwdgrp::parse_passwd): Use new behavior of next_num.
	Don't increment curr_lines here.
	* uinfo.cc (pwdgrp::next_str): Keep returning EOL if out of data.
	(pwdgrp::reparse): Remove.
	(pwdgrp::next_num): Rename from next_int.  Return bool indicating
	success of parse, argument returns value parsed.
	(pwdgrp::add_line): Increment curr_lines here on successful parse.
	(pwdgrp::load): (from Pierre Humblet) Don't return status.  Just report
	it here.

2003-01-25  Christopher Faylor  <cgf@redhat.com>

	* pwdgrp.cc (pwdgrp::reparse): Declare.
	* uinfo.cc (pwdgrp::reparse): Define.
	* grp.cc (pwdgrp::parse_group): Use reparse.

2003-01-25  Pierre Humblet  <pierre.humblet@ieee.org>

	* syscalls.cc (seteuid32): On Win95 get the pw entry. If it exists
	update the euid and call cygheap->user.set_name. Remove special
	handling of ILLEGAL_UID.
	(setgid32): Add a debug_printf. On Win95, always set the egid. 
	Remove special handling of ILLEGAL_GID. Do not compare gid and gr_gid.
	* child_info.h (class cygheap_exec_info): Remove uid.
	* spawn.cc (spawn_guts): Do not set ciresrv.moreinfo->uid.
	* dcrto.cc (dll_crt0_1): Always call uinfo_init.
	* uinfo.cc (uinfo_init): Reorganize and close handle if needed.
	(cygheap_user::ontherange): Do not call internal_getpwnam if pw is NULL.

2003-01-24  Christopher Faylor  <cgf@redhat.com>

	* fhandler_console.cc (fhandler_console::send_winch_maybe): Reset
	scroll region if size changes.

2003-01-24  Pierre Humblet <pierre.humblet@ieee.org>
	    Jason Tishler  <jason@tishler.net>

	* cygwin.din: Export setreuid32, setreuid, setregid32, setregid.
	* syscalls.cc (setreuid32): New function.
	(setreuid): Ditto.
	(setregid32): Ditto.
	(setregid): Ditto.
	* include/cygwin/version.h: Bump API minor number.

2003-01-23  Christopher Faylor  <cgf@redhat.com>

	* pwdrp.h (pwdgrp::refresh): Lock entire test prior to reading.

2003-01-23  Christopher Faylor  <cgf@redhat.com>

	* grp.cc (pwdgrp::parse_group): Eliminate arg and use class member
	instead.  Use next_str and next_int to parse arguments.
	* passwd.cc (pwdgrp::parse_passwd): Ditto.
	(grab_string): Eliminate.
	(grab_int): Ditto.
	* pwdgrp.h (pwdgrp::parse): Eliminate input arg.
	(pwdgrp::parse_passwd): Reflect above change.
	(pwdgrp::parse_group): Reflect above change.
	(pwdgrp::next_str): New function.
	(pwdgrp::next_int): Ditto.
	(pwdgrp::gets): Eliminate.
	* uinfo.cc (pwdgrp::next_str): New function.
	(pwdgrp::next_int): Ditto.
	(pwdgrp::add_line): Subsume gets.
	(pwdgrp::gets): Eliminate.
	(pwdgrp::load): Just call add_line to parse input buffer.

2003-01-22  Thomas Pfaff  <tpfaff@gmx.net>

	* include/pthread.h (PTHREAD_MUTEX_RECURSIVE): Revert changes from
	2003-01-09 mutex patch.
	(PTHREAD_MUTEX_ERRORCHECK): Ditto.

2003-01-22  Corinna Vinschen  <corinna@vinschen.de>

	* cygrun.c: Move from here to ../testsuite.
	* Makefile.in: Remove cygrun.exe dependencies.

2003-01-21  Jason Tishler  <jason@tishler.net>

	* cygwin.din: Export nanosleep().
	* signal.cc (nanosleep): New function.
	(sleep): Move old functionality to nanosleep().  Call nanosleep().
	(usleep): Remove old functionality.  Call nanosleep().
	* include/cygwin/version.h: Bump API minor number.

2003-01-21  Christopher Faylor  <cgf@redhat.com>

	* grp.cc: Call gr.refresh() rather than doing isunitialized tests
	throughout.
	(gr): Use constructor (sigh).
	(pwdgrp::parse_group): Rename from parse_grp.
	(pwdgrp::read_group): Rename from read_etc_group.  Just call gr.load
	with a single argument.
	* passwd.cc: Call pr.refresh() rather than doing isunitialized tests
	throughout.
	(pr): Use constructor (sigh).
	(pwdgrp::parse_passwd): Rename from "parse_pwd".
	(pwdgrp::read_passwd): Rename from read_etc_passwd.  Just call pr.load
	with a single argument.
	* pwdgrp.h (pwdgrp_state): Eliminate.
	(pwdgrp): Reflect above renamings.
	(pwdgrp::etc_ix): Rename from pwd_ix.
	(pwdgrp::read): New element.
	(pwdgrp::lock): New element.
	(pwdgrp::refresh): New function.
	(pwdgrp::load): Eliminate variations which take buffer arguments.
	(pwdgrp::pwdgrp): New constructors.  Initialize mutex here.
	* uinfo.cc (pwdgrp::load): Accommodate pwd_ix -> etc_ix renaming.
	(pwdgrp::load): Set initialized state to true rather than setting state
	to loaded.

2003-01-21  Christopher Faylor  <cgf@redhat.com>

	* include/cygwin/version.h: Bump DLL minor number.

2003-01-21  Pierre Humblet  <pierre.humblet@ieee.org>

	* path.h (etc::change_possible): Revert the type to bool.
	(etc::set_last_modified): Remove obsolete function.
	* path.cc (etc::change_possible): Revert type to bool.
	(etc::test_file_change): Do not test for negative values of
	change_possible and do not set it to -res.
	(etc::dir_changed): When the handle is NULL, call memset instead of
	test_file_changed.  When the handle is invalid, return true.  Detect
	filename change in /etc.
	(etc::file_changed): Remove unneeded check for !fn[n].
	* uinfo.cc (pwdgrp::load): Eliminate spurious setting of fh to NULL.
	* pwdgrp.h (pwdgrp::operator =): Eliminate.

2003-01-19  Christopher Faylor  <cgf@redhat.com>

	* pwdgrp.h (etc): Move to path.h.
	(pwdgrp::max_lines): New field.
	(pwdgrp::curr_lines): New field.
	(pwdgrp::pwdgrp_buf): Ditto.
	(pwdgrp_buf_elem_size): Ditto.
	(pwdgrp_parse): Ditto.
	(pwdgrp::gets): Just declare here.
	(pwdgrp::load): Ditto.  Just take one argument.
	(pwdgrp::load): Define overloaded function accepting passwd buf.
	(pwdgrp::load): Define overloaded function accepting group buf.
	* grp.cc: Use pwdgrp elements rather than standalone static variables
	throughout.
	(curr_lines): Eliminate.
	(max_lines): Ditto.
	(add_grp_line): Ditto.
	(parse_grp): Define as returning boolean.  Accept void * arg and line
	count.  Coerce first argument into __group32 buf reference.  Increment
	curr_line as appropriate.
	(read_etc_group): Pass pwdgrp buffer to gr.load.
	* passwd.cc: Use pwdgrp elements rather than standalone static variables
	throughout.
	(curr_lines): Eliminate.
	(max_lines): Ditto.
	(add_grp_line): Ditto.
	(parse_passwd): Define as returning boolean.  Accept void * arg and line
	count.  Coerce first argument into passwd buf reference.  Increment
	curr_line as appropriate.
	(read_etc_group): Pass pwdgrp buffer to pr.load.
	* path.cc (etc::fn): Extend buffer size to allow index by 1 rather than
	zero.
	(etc::last_modified): Ditto.
	(etc::change_possible): Ditto.  Renamed from sawchange.  Change to
	signed char since elements are now tri-state.
	(etc::init): Assume "handle" is 1 based rather than 0.
	(etc::test_file_change): New function.  Sets change_possible based on
	file date comparison.
	(etc::dir_changed): Check file states immediately after changed_h is
	initialized to avoid a race.
	(etc::file_changed): Use test_file_change to detect if file needs to be
	updated.
	* path.h (etc): Move class here from pwdgrp.h.
	* uinfo.cc: Move etc:: functions to path.cc.  Move pwdgrp functions
	here.
	(pwdgrp::gets): Eliminate buf checks.  Just check eptr and set lptr.
	(pwdgrp::add_line): New function.
	(pwdgrp::load): Call generic add_line function which will call correct
	parser.

2003-01-17  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc: Change most 'int's to 'unsigned's.
	(_cmalloc): Only check for size of malloced region when calculating
	bucket.  Add overhead when performing the sbrk.  Previous change broke
	_crealloc.

2003-01-17  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (initialize_env): Use colon for CYGWIN_DEBUG separator.
	* grp.cc: Change most statics to NO_COPY throughout.
	* passwd.cc: Ditto.

2003-01-17  Christopher Faylor  <cgf@redhat.com>

	* pwdgrp.h: Change some BOOLs to bools.
	(pwdgrp::pwdgrp): Remove unneeded constructor.
	* passwd.cc: Change BOOL to bool throughout.

2003-01-17  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din: Add strerror_r.
	* include/cygwin/version.h: Bump API minor number.

2003-01-17  Christopher Faylor  <cgf@redhat.com>

	* uinfo.cc (etc::dir_changed): Don't print a warning if can't open
	/etc, unless debugging.

2003-01-17  Pierre Humblet  <pierre.humblet@ieee.org>

	* grp.cc (read_etc_group): On NT, add a line for gid = -1.  Change name
	"unknown" to "mkgroup".
	(internal_getgrgid): Do not return default in nontsec case.
	(internal_getgroups): Add argument srchsid and look for it in groups if
	not NULL.
	* passwd.cc (read_etc_passwd): On NT, add a line for uid = -1.  Use
	same default uid for Win95 and NT.  Call cygheap_user::ontherange to
	initialize HOME.

2003-01-16  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cygheap::etc_changed): Move to uinfo.cc.
	* cygheap.h (init_cygheap::etc_changed_h): Remove.
	(init_cygheap::etc_changed): Ditto.
	* grp.cc (group_state): Remove.  Use gr instead throughout.
	(gr): Define as class pwdgrp.
	(read_etc_group): Remove gr definition.  Remove calls to
	set_last_modified and close.  Pass add_grp to gr.load to load file.
	* passwd.cc (passwd_state): Remove.  Use pr instead, throughout.
	(pr): Define as class pwdgrp.
	(read_etc_passwd): Remove pr definition.  Remove calls to
	set_last_modified and close.  Pass add_pwd_line to pr.load to load
	file.
	* pwdgrp.h (etc): New helper class for pwdgrp.
	(pwdgrp): Combine pwdgrp_check and pwdgrp_read into one class.  Remove
	file_w32 and last_modified fields.
	(pwdgrp::set_last_modified): Remove.
	(pwdgrp::isinitializing): Remove FindFirstFile stuff.  Move to
	etc::file_changed.
	(pwdgrp::load): Rename from 'open'.  Call etc::init to initialize etc
	scanning.  Close file handle after reading buffer into memory.  Parse
	buffer by calling second argument.
	(pwdgrp::gets): Reorganize slightly to rely on eptr starting at
	beginning of buffer.
	(pwdgrp::close): Remove.
	* uinfo.cc (etc::dir_changed): New function.
	(etc::init): Ditto.
	(etc::file_changed): Ditto.
	(etc::set_last_modified): Ditto.

2003-01-16  Jason Tishler  <jason@tishler.net>

	* mmap.cc (fixup_mmaps_after_fork): Add ERROR_NOACCESS to the list of
	ReadProcessMemory() error codes that trigger a retry with temporary
	PAGE_READONLY access.  Note that this can occur on NT 4.0.

2003-01-15  Christopher Faylor  <cgf@redhat.com>

	* path.cc (normalize_posix_path): Convert win32 path separators to
	slashes when full path is specified.

2003-01-15  Pierre Humblet  <pierre.humblet@ieee.org>

	* cmalloc.cc (_cmalloc): Fix memory leak.

2003-01-15  Corinna Vinschen <corinna@vinschen.de>

	* autoload.cc: Fix copyright date.
	* fhandler_dsp.cc: Ditto.
	* mmap.cc: Ditto.
	* net.cc: Ditto.
	* ntdll.h: Ditto.
	* signal.cc: Ditto.
	* syscalls.cc: Ditto.
	* uname.cc: Ditto.
	* wait.cc: Ditto.

2003-01-14  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (fixup_mmaps_after_fork): Copy protection to child process.
	Change ambiguous debug output.

2003-01-14  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap_record::access): Change argument type to caddr_t
	for strictness.
	(mprotect): Protect against calling VirtualProtect() for shared
	pages on 9x/Me.
	(fixup_mmaps_after_fork): If ReadProcessMemory() fails, try to
	change protection of parent page to PAGE_READONLY, then try again.
	Revert protection afterwards.

2003-01-14  Thomas Pfaff  <tpfaff@gmx.net>

	* syscalls.cc (system): Add pthread_testcancel call.
	* thread.cc: Update list of cancellation points.

2003-01-14  Thomas Pfaff  <tpfaff@gmx.net>

	* wait.cc: Include thread.h
	(wait4): Add pthread_testcancel call.
	Wait for child process and cancellation event.
	* thread.cc: Update list of cancellation points.

2003-01-14  Thomas Pfaff  <tpfaff@gmx.net>

	* signal.cc (sleep): Add pthread_testcancel call.
	Wait for signal and cancellation event.
	(usleep): Ditto.

2003-01-14  Thomas Pfaff  <tpfaff@gmx.net>

	* exceptions.cc (handle_sigsuspend): Add pthread_testcancel call.
	Wait for signal and cancellation event.
	* thread.cc: Update list of cancellation points.

2003-01-14  David Huang  <davehzhr@hotmail.com>

	* fhandler_dsp.cc (fhandler_dsp::ioctl): Add limited support for
	SNDCTL_DSP_GETFMTS.

2003-01-12  Christopher Faylor  <cgf@redhat.com>

	* ntdll.h: Fix typo.

2003-01-12  Corinna Vinschen <corinna@vinschen.de>

	* uname.cc (uname): Use cygwin_gethostname() to retrieve hostname.

2003-01-12  Pierre Humblet  <pierre.humblet@ieee.org>

	* sec_acl.cc (search_ace): Use id == -1, instead of < 0, as wildcard.
	(setacl): Start the search for a matching default at the next entry.
	Invalidate the type of merged entries instead of clearing it.
	Use well_known_creator for default owner and owning group and do
	not try to merge non-default and default entries in these cases.
	(getacl): Recognize well_known_creator for default owner and group.
	(acl_worker): Improve errno settings and streamline the nontsec case.
	* security.cc (write_sd): Remove the call to set_process_privilege.
	(alloc_sd): If the owner changes, call set_process_privilege and return
	immediately on failure. Change inheritance rules: on new directories add
	inherit only allow ACEs for creator_owner, creator_group and everyone.
	Preserve all inheritances through chmod and chown calls. Introduce
	isownergroup to implement the uid == gid case, to keep the inheritance
	code simple. Do not initialize owner_sid and group_sid and stop using
	the variable psd.

2003-01-10  Christopher Faylor  <cgf@redhat.com>

	* net.cc: Use gethostname define from winsock2.h.

2003-01-10  Christopher Faylor  <cgf@redhat.com>

	* path.cc: Unrevert below reversion except for
	mount_info::conv_to_posix_path part.

2003-01-10  Corinna Vinschen <corinna@vinschen.de>

	* path.cc: Revert patch from 2003-01-09 to normalize a windows path
	rather than converting to posix.

2003-01-10  Corinna Vinschen <corinna@vinschen.de>

	* autoload.cc (gethostname): Make call optional, return 1 if function
	can't get loaded.
	* net.cc (cygwin_gethostname): Call GetComputerName if return value
	of gethostname is non-zero.

2003-01-10  Charles Wilson  <cwilson@ece.gatech.edu>

	* cygwin.din: Add asprintf and vasprintf, as well as the reentrant
	versions and underscore variants.
	* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR.

2003-01-10  Corinna Vinschen <corinna@vinschen.de>

	* net.cc (cygwin_gethostname): Fix call to wsock function gethostname.

2003-01-09  Christopher Faylor  <cgf@redhat.com>

	* cygthread.cc (cygthread::cygthread): Be more noisy about odd
	condition.
	* miscfuncs.cc (low_priority_sleep): Sleep in regular priority if
	that's what we're currently running at.

2003-01-09  Thomas Pfaff  <tpfaff@gmx.net>

	* include/semaphore.h: Modify typedef for sem_t.
	* include/cygwin/types.h: Modify typedefs for pthread_t,
	pthread_mutex_t, pthread_key_t, pthread_attr_t,
	pthread_mutexattr_t, pthread_condattr_t, pthread_cond_t,
	pthread_rwlock_t and pthread_rwlockattr_t.

2003-01-09  Thomas Pfaff  <tpfaff@gmx.net>

	* thread.h (WAIT_CANCELED): New define.
	(pthread::cancelable_wait): New static method.
	* thread.cc (pthread::cancelable_wait): Implement.
	(semaphore::Wait): Wait on semaphore and thread cancellation.
	(pthread::join): Wait on joined thread and thread cancellation.
	(semaphore::wait): Add testcancel to check for thread
	cancellation even if the semaphore is available.

2003-01-09  Thomas Pfaff  <tpfaff@gmx.net>

	* include/pthread.h: Add define for errorchecking mutexes.
	Change default mutex type.
	* thread.cc (pthread_cond::TimedWait): Update mutex unlock
	calls.
	(pthread_mutex::pthread_mutex): New implement.
	(pthread_mutex::~pthread_mutex): Ditto.
	(pthread_mutex::Lock): Ditto.
	(pthread_mutex::TryLock): Ditto.
	(pthread_mutex::UnLock): Ditto.
	(pthread_mutex::Destroy): Implement new method.
	(pthread_mutex::SetOwner): Ditto.
	(pthread_mutex::LockRecursive): Ditto.
	(pthread_mutex::fixup_after_fork): Restore locking state after
	fork.
	(__pthread_mutex_lock): Return pthread_mutex::Lock errorcode.
	(__pthread_mutex_trylock): Return pthread_mutex::TryLock
	errorcode.
	(__pthread_mutex_unlock): Return pthread_mutex::UnLock
	errorcode.
	(__pthread_mutex_destroy): Call pthread_mutex::Destroy to
	destroy mutex.
	(__pthread_mutexattr_settype): Allow errorchecking and recursive
	types.
	* thread.h (MUTEX_LOCK_COUNTER_INITIAL): New define.
	(pthread_mutex::criticalsection): Remove.
	(pthread_mutex::lock_counter): New member.
	(pthread_mutex::recursion_counter): Ditto.
	(pthread_mutex::owner): Ditto.
	(pthread_mutex::type): Ditto.
	(pthread_mutex::Destroy): New method.
	(pthread_mutex::SetOwner): Ditto.
	(pthread_mutex::LockRecursive): Ditto.

2003-01-09  Thomas Pfaff  <tpfaff@gmx.net>

	* pthread.cc (pthread_cond_init): Use new pthread_cond::init.
	* thread.cc: Some white spaces cleanups.
	Change __pthread_cond_init to pthread_cond::init throughout.
	(nativeMutex): Move class methods outside pthread_mutex.
	(MTinterface::Init): Initialize pthread_cond init lock.
	(pthread_cond::condInitializationLock): Instantiate.
	(pthread_cond::initMutex): New Method.
	(pthread_cond::isGoodInitializerOrBadObject): Ditto.
	* thread.h: Some white spaces cleanups.
	(nativeMutex): Move class declaration outside pthread_mutex.
	(pthread_cond::condInitializationLock): New static member.
	(pthread_cond::initMutex): New Method.
	(pthread_cond::isGoodInitializerOrBadObject): Ditto.
	(__pthread_cond_init): Remove prototype.

2003-01-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (num_entries): Return 2 as link count if
	directory unreadable.

2003-01-09  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (get_nt_attribute): Always return -1 when read_sd()
	fails.
	(get_file_attribute): Set permissions to 0 and owner/group to -1
	if security descriptor is unreadable.

2003-01-09  Christopher Faylor  <cgf@redhat.com>

	Use isdirsep rather than SLASH_P throughout.
	* path.cc (iscygdrive): Disallow /cygdrive\x.
	(normalize_posix_path): "Normalize" a windows path, if detected, rather
	than converting to posix.

2003-01-06  Troy Curtiss <troyc@usa.net>

	* fhandler_serial.cc (fhandler_serial::tcsetattr): Add support and
	capability checking for B230400 bitrate.
	(fhandler_serial::tcgetattr): Add support for B230400 bitrate.
	* include/sys/termios.h: Add B230400 definition for Posix support of
	230.4Kbps.

2003-01-05  Christopher Faylor  <cgf@redhat.com>

	* pinfo.cc (_pinfo::commune_send): Use myself->lock rather than just
	lock when leaving.

2003-01-03  Christopher Faylor  <cgf@redhat.com>

	* dtable.h (dtable::in_vfork_cleanup): New function.  True if vfork
	cleanup needed.
	* dtable.cc (dtable::vfork_parent_restore): Remove assertion.
	* pipe.cc (fhandler_pipe::close): Don't close read_state during
	fork_fixup since it wasn't inherited.

2003-01-01  Christopher Faylor  <cgf@redhat.com>

	* passwd.cc (getpwuid_r32): Revert previous change.

2003-01-01  Christopher Faylor  <cgf@redhat.com>

	* sysconf.cc (sysconf): Return arbitrary values for
	_SC_GETGR_R_SIZE_MAX, _SC_LOGIN_NAME_MAX, _SC_GETPW_R_SIZE_MAX.

	* passwd.cc (getpwuid_r32): Add uid/gid fields to size check
	calculation.