/etc/nsswitch.conf file to configure it.
* Makefile.in (DLL_OFILES): Add ldap.o.
* autoload.cc: Import ldap functions from wldap32.dll.
(DsEnumerateDomainTrustsW): Import.
(NetGroupGetInfo): Import.
* cygheap.h (class cygheap_domain_info): New class to keep global
domain info.
(class cygheap_pwdgrp): New class to keep passwd/group caches and
configuration info from /etc/nssswitch.conf.
(struct init_cygheap): Add cygheap_domain_info member "dom" and
cygheap_pwdgrp member "pg".
* cygtls.h (struct _local_storage): Remove unused member "res".
Rearrange slightly, Add members pwbuf and grbuf to implement non-caching
passwd/group fetching from SAM/AD. Make pw_pos and pw_pos unsigned.
* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Add RFC 2307
uid/gid mapping.
* fhandler_process.cc: Drop including pwdgrp.h.
* fhandler_procsysvipc.cc: Ditto.
* fhandler_registry.cc (fhandler_registry::fstat): Set key uid/gid
to ILLEGAL_UID/ILLEGAL_GID rather than UNKNOWN_UID/UNKNOWN_GID.
* grp.cc (group_buf): Drop.
(gr): Drop.
(pwdgrp::parse_group): Fill pg_grp.
(pwdgrp::read_group): Remove.
(pwdgrp::init_grp): New method.
(pwdgrp::prep_tls_grbuf): New method.
(pwdgrp::find_group): New methods.
(internal_getgrsid): Convert to call new pwdgrp methods.
(internal_getgrnam): Ditto.
(internal_getgrgid): Ditto.
(getgrgid_r): Drop 2nd parameter from internal_getgrgid call.
(getgrgid32): Ditto.
(getgrnam_r): Ditto for internal_getgrnam.
(getgrnam32): Ditto.
(getgrent32): Convert to call new pwdgrp methods.
(internal_getgrent): Remove.
(internal_getgroups): Simplify, especially drop calls to
internal_getgrent.
* ldap.cc: New file implementing cyg_ldap class for LDAP access to AD
and RFC 2307 server.
* ldap.h: New header, declaring cyg_ldap class.
* passwd.cc (passwd_buf): Drop.
(pr): Drop.
(pwdgrp::parse_passwd): Fill pg_pwd.
(pwdgrp::read_passwd): Remove.
(pwdgrp::init_pwd): New method.
(pwdgrp::prep_tls_pwbuf): New method.
(find_user): New methods.
(internal_getpwsid): Convert to call new pwdgrp methods.
(internal_getpwnam): Ditto.
(internal_getpwuid): Ditto.
(getpwuid32): Drop 2nd parameter from internal_getpwuid call.
(getpwuid_r): Ditto.
(getpwnam): Ditto for internal_getpwnam.
(getpwnam_r): Ditto.
(getpwent): Convert to call new pwdgrp methods.
* path.cc (class etc): Remove all methods.
* path.h (class etc): Drop.
* pinfo.cc (pinfo_basic::pinfo_basic): Set gid to ILLEGAL_GID rather
than UNKNOWN_GID.
(pinfo_init): Ditto.
* pwdgrp.h (internal_getpwnam): Drop 2nd parameter from declaration.
(internal_getpwuid): Ditto.
(internal_getgrgid): Ditto.
(internal_getgrnam): Ditto.
(internal_getgrent): Drop declaration.
(enum fetch_user_arg_type_t): New type.
(struct fetch_user_arg_t): New type.
(struct pg_pwd): New type.
(struct pg_grp): New type.
(class pwdgrp): Rework to provide functions for file and db requests
and caching.
(class ugid_cache_t): New class to provide RFC 2307 uid map caching.
(ugid_cache): Declare.
* sec_acl.cc: Drop including pwdgrp.h.
* sec_auth.cc: Drop including dsgetdc.h and pwdgrp.h.
(get_logon_server): Convert third parameter to ULONG flags argument
to allow arbitrary flags values in DsGetDcNameW call and change calls
to this function throughout. Use cached account domain name rather
than calling GetComputerNameW.
(get_unix_group_sidlist): Remove.
(get_server_groups): Drop call to get_unix_group_sidlist.
(verify_token): Rework token group check without calling
internal_getgrent.
* sec_helper.cc (cygpsid::pstring): New methods, like string() but
return pointer to end of string.
(cygsid::getfromstr): Add wide character implementation.
(get_sids_info): Add RFC 2307 uid/gid mapping for Samba shares.
* security.cc: Drop including pwdgrp.h.
* security.h (DEFAULT_UID): Remove.
(UNKNOWN_UID): Remove.
(UNKNOWN_GID): Remove.
(uinfo_init): Move here from winsup.h.
(ILLEGAL_UID): Ditto.
(ILLEGAL_GID): Ditto.
(UNIX_POSIX_OFFSET): Define. Add lengthy comment.
(UNIX_POSIX_MASK): Ditto.
(MAP_UNIX_TO_CYGWIN_ID): Ditto.
(ILLEGAL_UID16): Move here from winsup.h.
(ILLEGAL_GID16): Ditto.
(uid16touid32): Ditto.
(gid16togid32): Ditto.
(sid_id_auth): New convenience macro for SID component access.
(sid_sub_auth_count): Ditto.
(sid_sub_auth): Ditto.
(sid_sub_auth_rid): Ditto.
(cygpsid::pstring): Declare.
(cygsid::getfromstr): Declare wide character variant.
(cygsid::operator=): Ditto.
(cygsid::operator*=): Ditto.
(get_logon_server): Change declaration according to source code.
* setlsapwd.cc (setlsapwd): Drop 2nd parameter from internal_getpwnam
call.
* shared.cc (memory_init): Call cygheap->pg.init in first process.
* syscalls.cc: Drop including pwdgrp.h.
* tlsoffsets.h: Regenerate.
* tlsoffsets64.h: Ditto.
* uinfo.cc (internal_getlogin): Drop gratuitious internal_getpwuid
call. Fix debug output. Overwrite user gid in border case of a
missing passwd file while a group file exists.
(pwdgrp::add_line): Allocate memory on cygheap.
(pwdgrp::load): Remove.
(ugid_cache): Define.
(cygheap_pwdgrp::init): New method.
(cygheap_pwdgrp::nss_init_line): New method.
(cygheap_pwdgrp::_nss_init): New method.
(cygheap_domain_info::init): New method.
(logon_sid): Define.
(get_logon_sid): New function.
(pwdgrp::add_account_post_fetch): New method.
(pwdgrp::add_account_from_file): New methods.
(pwdgrp::add_account_from_windows): New methods.
(pwdgrp::check_file): New method.
(pwdgrp::fetch_account_from_line): New method.
(pwdgrp::fetch_account_from_file): New method.
(pwdgrp::fetch_account_from_windows): New method.
* winsup.h: Move aforementioned macros and declarations to security.h.
reading from file using native NT functions.
* miscfuncs.cc (NT_readline::init): New method.
* mount.cc (mount_info::from_fstab): Utilize NT_readline to read
fstab files.
comment.
* mount.cc (mount_info::from_fstab): Use tmp_pathbuf rather than
stack for big local buffer.
* net.cc (cygwin_gethostname): Call GetComputerNameExA rather than
GetComputerNameA if gethostname failed.
* shared.cc (user_info::initialize): Fix formatting.
* include/sys/file.h: Define flock and accompanying macros if not
already defined in sys/_default_fcntl.h.
* fhandler_console.cc (dev_console::console_attrs::set_cl_x): Honor buffer
locations.
(dev_console::console_attrs::set_cl_y): Ditto.
(fhandler_console::write): On reset, use absolute positioning to go to
beginning of buffer. Clear entire buffer.
(_sigdelayed (x86)): Ditto. Save and restore XMM registers. Add
comment.
(_setjmp (x86)): Save FPU control word, following FreeBSD here.
(_longjmp (x86)): Restore FPU control word.
(lsa_open_policy): Declare.
(lsa_close_policy): Declare.
* sec_auth.cc (lsa_open_policy): Rename from open_local_policy. Take
server name as parameter. Return NULL in case of error, rather than
INVALID_HANDLE_VALUE.
(lsa_close_policy): Rename from close_local_policy. Make externally
available. Get handle by value.
(create_token): Convert call to open_local_policy/close_local_policy
according to aforementioned changes.
(lsaauth): Ditto.
(lsaprivkeyauth): Ditto.
* setlsapwd.cc (setlsapwd): Ditto.
class.
(cygwin_exception::h): New member.
(cygwin_exception::cygwin_exception): Initialize h to NULL.
* exceptions.cc (cygwin_exception::open_stackdumpfile): Move into
cygwin_exception class. Use 'h' class member.
(cygwin_exception::dumpstack): Close stack dump file handle if opened.
(cltype): New enum.
(dev_console::console_attrs): Define struct name.
(dev_console::console_attrs::set_cl_x): New function.
(dev_console::console_attrs::set_cl_y): New function.
(fhandler_console::clear_screen): Redefine input params.
* fhandler_console.cc: Update copyright. Throughout, reflect change in
arguments to fhandler_console::clear_screeen.
(fhandler_console::mouse_aware): Simplify logic slightly.
(fhandler_console::scroll_screen): Remove hopefully obsolete win95 code.
(dev_console::console_attrs::set_cl_x): New function.
(dev_console::console_attrs::set_cl_y): New function.
(fhandler_console::clear_screen): Redefine input params. Calculate position
based on enum value.
(region_split): Change arguments. Simplify.
(ReadConsoleOutputWrapper): Remove coord argument since we now always use 0, 0.
Send extra arguments to region_split.
(delta): Ditto.
(ReadConsoleOutputWrapper): Ditto.
(fhandler_console::char_command): Use ReadConsoleOutputWrapper to avoid OOM
condition from ReadConsoleOutputW. Add more debugging.
* dcrt0.cc (dll_crt0_1): Use timeBeginPeriod to set default resolution to 1 ms.
* pinfo.cc (pinfo::thisproc): Set ppid for redirected _pinfo blocks too.
(pinfo::init): Avoid using VirtualQuery. Just rely on the assumption that
procinfo will be populated.
* pinfo.h (_pinfo::ppid): Move into redirected block.
* fork.cc (frok::parent): When initializing pinfo for child new PID_NEW flag +
actual defined constant rather than raw number. Don't set start_time here.
* pinfo.cc (pinfo::thisproc): Use PID_NEW when initializing pinfo. Avoid
checking h for NULL multiple times. Don't set start_time here.
(pinfo_init): Aways set ppid last. Tweak strace output.
(pinfo::init): Handle new PID_NEW flag. Wait for shared memory to contain
useful information. Set start_time if PID_NEW.
(_onreturn:h): Define as HANDLE rather than HANDLE *.
(_onreturn::~onreturn): Accommodate h definition change.
(_onreturn::no_close_handle): Rename from no_close_p_handle. Take a pinfo arg
and set hProcess to h before zeroing.
(winpids::add): Don't open a handle to our own process. Change logic
associated with when a handle gets closed. Accommodate no_close_handle
changes.
(winpids::enum_processes): Simplify process enumeration loop.
(winpids::set): Eliminate ill-considered malloc locking.
* sigproc.cc (proc_subproc): Always set ppid last.
(stop_transaction): Take "trans" HANDLE by reference and set it to
NULL after closing it.
(unlink_nt): If NtOpenFile fails due to a transactional error, stop
transaction and retry NtOpenFile. Simplify check for having to call
stop_transaction.
(rename): If NtOpenFile fails due to a transactional error, stop
transaction and retry NtOpenFile in both affected cases. Simplify check
for having to call stop_transaction and add comment from unlink_nt.
been set by a previous function.
* dtable.h (dtable::extend): Accept second size_t argument.
* dtable.cc (dtable::extend): Accept second "min" argument which allows
checking for OPEN_MAX_MAX boundary conditions.
(dtable_init): Accommodate second argument to dtable::extend.
(dtable::find_unused_handle): Ditto.
* syscalls.cc (setdtablesize): Ditto.
(dup): Return any error passed by cygheap_fdnew() directly.
(getdtablesize): Just return dtable size directly.
through the bottom.
(cygwin_attach_handle_to_fd): Make sure that fd tab is locked for the duration
of this function.
* dtable.h (dtable::lock): Make public.
(dtable::unlock): Ditto.
(dtable): Remove friends.
flags. If the file to move to the bin has been opened casesensitive,
reopen it caseinsensitive. Explain why. Revert the default name of
the Vista-and-later recycler to mixed case for readability.
(unlink_nt): Call try_to_bin with file open flags as evaluated.
included by default.
* winlean.h: Add long comment to explain why we have to define certain
symbols.
(_NORMALIZE_): Define.
(_WINNLS_): Drop definition and subsequent undef.
(_WINNETWK_): Ditto.
(_WINSVC_): Ditto.
2013-11-23 Eric Blake <eblake@redhat.com>
* wincap.cc (wincapc::init): Rather than GetVersionEx, call
RtlGetVersion which is not crippled by missing Windows 8.1 manifest.
* wincap.h (wincapc): Change type of version to RTL_OSVERSIONINFOEXW.
Align formatting of all class members.
hints is NULL. Add a comment and set whints.ai_family explicitely to
AF_UNSPEC to follow glibc man page closely. Check flags against whints
for locality.
(IdnToUnicode): Define.
(FreeAddrInfoW): Define.
(GetAddrInfoW): Define.
(GetNameInfoW): Define.
* net.cc: Drop W. Richard STEVENS libgai implementation.
(cygwin_freeaddrinfo): Move code from ipv4_freeaddrinfo here. Move
definition up in file to avoid forward declaration in ga_duplist.
(ga_dup): Take addrinfoW as input. Add parameters to get IDN flags
and to set error value. Handle IDN flags and especially AI_CANONIDN.
Convert input wchar_t ai_canonname string to multibyte for output.
(ga_duplist): Add parameters to get IDN flags and to set error value
and propagate to ga_dup. Call cygwin_freeaddrinfo.
(gai_errmap): Add comments. Align error strings to GLibc. Add
EAI_IDN_ENCODE entry.
(get_ipv6_funcs): Remove.
(load_ipv6_guard): Remove.
(ipv6_inited): Remove.
(load_ipv6): Remove.
(load_ipv6_funcs): Remove.
(cygwin_getaddrinfo): Drop calling load_ipv6. Handle AI_IDN* flags.
Convert input strings to wchar_t and call GetAddrInfoW/FreeAddrInfoW.
In case hints is NULL, set default ai_flags explicitely to
AI_V4MAPPED | AI_ADDRCONFIG, as documented for Glibc. Only add AI_ALL
if AI_ADDRCONFIG is not given. Unconditionally add Windows-specific
AI_DISABLE_IDN_ENCODING to ai_flags to make IDN behaviour compatible
to Glibc even on Windows 8 and later.
(cygwin_getnameinfo): Drop calling load_ipv6. Handle NI_IDN* flags.
Call GetNameInfoW and convert returned strings from wchar_t to
multibyte.
* include/netdb.h: Add comments to describe flags and error values.
(AI_*): Define all flags using hex values for clearness.
(AI_IDN): Define.
(AI_CANONIDN): Define.
(AI_IDN_ALLOW_UNASSIGNED): Define.
(AI_IDN_USE_STD3_ASCII_RULES): Define.
(NI_*): Define all flags using hex values for clearness.
(NI_IDN): Define.
(NI_IDN_ALLOW_UNASSIGNED): Define.
(NI_IDN_USE_STD3_ASCII_RULES): Define.
(EAI_IDN_ENCODE): Define.
2013-11-06 Christopher Faylor <me.cygwin2013@cgf.cx>
* configure.ac: Detect windows headers/libs after we've figured out the
C compiler.
* configure: Regenerate.
* aclocal.m4: Regenerate.
* configure.cygwin: Default to '.' if can't find a winsup directory.
winsup/cygserver/ChangeLog:
2013-11-06 Christopher Faylor <me.cygwin2013@cgf.cx>
* configure.ac: Detect windows headers/libs after we've figured out the
C compiler.
* configure: Regenerate.
* aclocal.m4: Regenerate.
winsup/cygwin/ChangeLog:
2013-11-06 Christopher Faylor <me.cygwin2013@cgf.cx>
* configure.ac: Detect windows headers/libs after we've figured out the
C compiler.
* configure: Regenerate.
* aclocal.m4: Regenerate.
winsup/utils/ChangeLog:
2013-11-06 Christopher Faylor <me.cygwin2013@cgf.cx>
* configure.ac: Detect windows headers/libs after we've figured out the
C compiler.
* configure: Regenerate.
* aclocal.m4: Regenerate.
(dev_storage): Ditto for /dev.
* devices.cc: Regenerate.
* fhandler.cc (fhandler_base::open_null): New method to open a fake
\Device\Null handler.
(fhandler_base::open): Fix formatting. Change O_ACCMODE test to a
switch statement. Simplify a test which still tested for a now unused
create_disposition.
* fhandler.h (fhandler_base::open_null): Declare.
(fhandler_netdrive::close): Declare.
* fhandler_dev.cc (fhandler_dev::open): Open fake \Device\Null handle
by just calling new open_null method.
* fhandler_disk_file.cc (fhandler_cygdrive::open): Ditto.
* fhandler_netdrive.cc (fhandler_netdrive::open): Call open_null
rather than setting nohandle.
(fhandler_netdrive::close): New method.
* fhandler_registry.cc (fetch_hkey): Fix token in RegOpenUserClassesRoot
call. Create valid key for HKEY_CURRENT_CONFIG by mapping to real key
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Hardware Profiles\Current.
(fhandler_registry::open): Set nohandle only when using pseudo registry
handle.
* fhandler_virtual.cc (fhandler_virtual::opendir): Call open rather
than just setting nohandle here.
* fhandler_virtual::fstatvfs): Set ST_RDONLY fs flag.
* globals.cc (ro_u_null): New readonly UNICODE_STRING for \Device\Null.
* path.h (path_conv::set_path): Revert previous change caring for
wide_path.
(dev_storage): Map /dev and /dev/windows to \Device\Null.
* devices.cc: Regenerate.
* dir.cc (opendir): Create unique id. Explain why.
* fhandler.h (fhandler_dev::get_dev): Implement inline.
(fhandler_cygdrive::close): Drop declaration.
(fhandler_cygdrive::get_dev): Implement inline.
(fhandler_windows::get_hwnd): Ditto.
(fhandler_windows::set_close_on_exec): Drop declaration.
(fhandler_windows::fixup_after_fork): Ditto.
* fhandler_dev.cc (fhandler_dev::open): Call fhandler_disk_file::open
without O_CREAT flag. Explain why. Create \Device\Null handle if
/dev/ doesn't actually exist.
(fhandler_dev::close): Drop nohandle case.
(fhandler_dev::fstatvfs): Drop nohandle check. Test for fs_got_fs
instead. Set ST_RDONLY fs flag for simulated /dev.
(fhandler_dev::opendir): If /dev doesn't exist, call open() to create
fake \Device\Null handle. Don't set nohandle. Set dir_exists
correctly.
(fhandler_dev::rewinddir): Call fhandler_disk_file::rewinddir only if
/dev is a real directory.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): If called for
the cygdrive dir, call open() to create fake \Device\Null handle.
Only attach __DIR_mounts buffer to dir if not called for cygdrive dir.
Don't set nohandle.
(fhandler_cygdrive::open): Create \Device\Null handle.
(fhandler_cygdrive::close): Remove.
(fhandler_cygdrive::fstatvfs): Set ST_RDONLY fs flag.
* fhandler_windows.cc (fhandler_windows::open): Create \Device\Null
handle.
(fhandler_windows::read): Don't add io_handle to WFMO handle array.
Change subsequent test for return value accordingly. Fix test for
"message arrived".
(fhandler_windows::set_close_on_exec): Remove.
(fhandler_windows::fixup_after_fork): Remove.
* path.h (path_conv::set_path): Make sure wide_path is NULL when
setting a new path.
* select.cc (peek_windows): Use correct hWnd value, not io_handle.
(fhandler_windows::select_read): Don't use io_handle as wait object.
(fhandler_windows::select_write): Ditto.
(fhandler_windows::select_except): Ditto.
old-style console devices when called to perform BSD flock locking.
Add a FIXME to comment and align description.
* ntdll.h (THREADINFOCLASS): Following MSDN, rename throughout from
THREAD_INFORMATION_CLASS.
* devices.cc: Regenerate.
* fhandler.h (fhandler_dev_clipboard::open): Drop declaration.
* fhandler_clipboard.cc (fhandler_dev_clipboard::dup): Drop call to
open. Set private members to 0 and call fhandler_base::dup.
(fhandler_dev_clipboard::open): Remove so that default
fhandler_base::open is used to open \Device\Null.
(set_clipboard): Drop gratuitios call to RegisterClipboardFormatW.
(fhandler_dev_clipboard::close): Call fhandler_base::close from here.
handling of membuffer. It's NULL anyway.
(fhandler_dev_clipboard::lseek): Set membuffer to NULL after freeing
it to avoid subsequent crashes when accessing invalid pointer.
\Device\Null.
* devices.cc: Regenerate.
* fhandler.h (fhandler_dev_random::open): Drop declaration.
(fhandler_dev_random::close): Ditto.
(fhandler_dev_random::crypt_gen_random): Convert to static method.
* fhandler_random.cc (fhandler_dev_random::open): Remove so that default
fhandler_base::open is used to open \Device\Null.
(fhandler_dev_random::close): Ditto.
* fhandler_socket.cc (entropy_source): Delete.
(fhandler_socket::af_local_set_secret): Remove entropy_source code and
call fhandler_dev_random::crypt_gen_random directly instead.
(class fhandler_dev_random): Drop dummy_offset.
(fhandler_dev_random::lseek): Convert to inline method.
(fhandler_dev_dsp::lseek): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::lseek): Drop here.
* fhandler_random.cc (fhandler_dev_random::open): Drop setting
dummy_offset.
(fhandler_dev_random::lseek): Drop here.
* fhandler_tape.cc (fhandler_dev_tape::lseek): Make no-op, but keep
old code for reference.
* fhandler_zero.cc (fhandler_dev_zero::lseek): Drop here.
* devices.cc: Regenerate.
* dtable.h (struct dtable): Make fhandler_base friend, rather
than fhandler_disk_file.
* fhandler.cc (fhandler_base::open_with_arch): Create unique id.
(fhandler_base::cleanup): Call del_my_locks.
(fhandler_base::fcntl): Handle F_GETLK, F_SETLK and F_SETLKW.
* fhandler.h (fhandler_base::get_dev): Return real device number.
(fhandler_base::set_unique_id): New inline method.
(fhandler_disk_file::lock): Drop declaration.
(fhandler_disk_file::get_dev): New method, return pc.fs_serial_number.
(fhandler_dev_zero::open): Drop declaration.
* fhandler_disk_file.cc (fhandler_disk_file::close): Move
del_my_locks call to fhandler_base::open_with_arch.
(fhandler_disk_file::fcntl): Move handling of locking commands to
fhandler_base::fcntl.
(fhandler_base::open_fs): Drop call to NtAllocateLocallyUniqueId.
* fhandler_zero.cc (fhandler_dev_zero::open): Remove so that default
fhandler_base::open is used to open \Device\Null.
* flock.cc (fixup_lockf_after_exec): Finding a single fhandler is
enough here.
(fhandler_base::lock): Replace fhandler_disk_file::lock. Refuse to lock
nohandle devices. Handle read/write test using POSIX flags. Explain
why. Never fail on SEEK_CUR or SEEK_END, rather assume position 0,
just as Linux.
* net.cc (fdsock): Create unique id.
(CryptGenRandom): Remove.
(CryptReleaseContext): Remove.
(SystemFunction036): Define. Add comment to explain that this is
actually the RtlGenRandom function.
* fhandler.h (class fhandler_dev_random): Drop crypt_prov member.
(fhandler_dev_random::fhandler_dev_random): Define inline.
(fhandler_dev_random::dup): Drop declaration.
* fhandler_random.cc (fhandler_dev_random::fhandler_dev_random): Remove
here.
(fhandler_dev_random::crypt_gen_random): Use RtlGenRandom to drop
dependency to old Crypto API.
(fhandler_dev_random::read): Implement an enhanced version of reading
random bytes from RtlGenRandom for the sake of a better /dev/random
emulation.
(fhandler_dev_random::close): Just return 0 since crypt_prov doesn't
exisyt anymore.
(fhandler_dev_random::dup): Drop entirely for the same reason.
(user_heap_info::init): Ditto.
* heap.cc (user_heap_info::init): Rename from heap_init(). Avoid explictly
using cygheap->user_heap.
(sbrk): Use user_heap_info method via cygheap->user_heap.
(user_heap_info::sbrk): Renamed from sbrk(). Eliminate explicit use of
cygheap->user_heap. Change some pointer arithmetic to use (char *) for
consistency.
* shared.cc (shared_info::initialize): Change heap_init call to
cygheap->user_heap.init.