newlib/winsup/cygwin/ChangeLog

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2008-04-02 Corinna Vinschen <corinna@vinschen.de>
* dcrt0.cc (insert_file): Convert filename to WCHAR and call
CreateFileW to allow UTF-8 filenames.
2008-04-01 Corinna Vinschen <corinna@vinschen.de>
* Fix copyright dates.
2008-04-01 Corinna Vinschen <corinna@vinschen.de>
Throughout, call fcntl64 instead of fcntl or fcntl_worker.
* fcntl.cc (fcntl_worker): Remove.
(fcntl64): Add fault handler. Move fcntl_worker stuff here. Add case
for locking and call fhandler's lock method directly. Make sure that
F_FLOCK flag isn't set in lock call.
(_fcntl): Add fault handler.
* fhandler.cc (fhandler_base::fcntl): Drop lock cases.
* flock.cc (flock): Add fault handler. Simplify code. Call fhandlers
lock method directly instead of fcntl_worker. Add debug output.
(lockf): Add fault handler. Call fhandlers lock method directly
instead of fcntl_worker. Add debug output.
* winsup.h (fcntl_worker): Drop declaration.
(fcntl64): Declare.
2008-03-31 Corinna Vinschen <corinna@vinschen.de>
* smallprint.cc (__small_vswprintf): Fix uninitialized usage of `w'.
Revamp advisory file locking to avoid cross reference pointers as well
as to allow BSD flock semantics. More agressively delete unused nodes
and sync objects.
* fhandler.h (fhandler_base::ino): Rename from namehash. Fix comment.
(fhandler_base::node): Remove.
(fhandler_base::unique_id): Add.
(fhandler_base::del_my_locks): New method.
(get_ino): Rename from get_namehash. Change usage throughout Cygwin.
(get_unique_id): New method.
* fhandler.cc (fhandler_base::close): Call own del_my_locks method.
Fix comment.
(fhandler_base::fhandler_base): Accommodate new and changed members.
(fhandler_base::fixup_after_fork): Call del_my_locks.
(fhandler_base::fixup_after_exec): Ditto for files with close-on-exec
flag set.
* fhandler_disk_file.cc (get_ino_by_handle): Rename from
readdir_get_ino_by_handle. Accommodate throughout.
(fhandler_base::open_fs): Fill ino with inode number if FS has good
inodes. Allocate a LUID and store in unique_id to recognize file
descriptors referencing the same file object.
* flock.cc: Drop flock TODO comments. Use explicit types __dev32_t
and __ino64_t instead of dev_t and ino_t.
(LOCK_OBJ_NAME_LEN): Change to reflect longer lf_id length.
(get_obj_handle_count): New method.
(lockf_t::lf_id): Change type to long long.
(inode_t::get_lock_obj_handle_count): Drop in favor of static function
get_obj_handle_count.
(inode_t::del_locks): Remove.
(inode_t::get): Add create_if_missing flag argument.
(inode_t::del_my_locks): Reimplement to handle POSIX and BSD flock
locks. Return if node can be deleted or not.
(inode_t::~inode_t): Ditto. Close handles to i_dir and i_mtx.
(fixup_lockf_after_fork): Remove.
(fhandler_base::del_my_locks): New method.
(fixup_lockf_after_exec): Check if node can be deleted.
(inode_t::get): Only create node if create_if_missing is set. Lock
the returned node here before unlocking the node list.
(inode_t::get_all_locks_list): Accommodate new lf_id length.
(inode_t::create_lock_obj): Ditto.
(lockf_t::open_lock_obj): Ditto. Change return type to bool. De-const.
Set lf_obj instead of returning a handle.
(lockf_t::del_lock_obj): Call SetEvent only if new incoming parameters
allow it. Explain how it's supposed to work.
(fhandler_disk_file::lock): Only fetch file length in SEEK_END case.
Use NtQueryInformationFile(FileStandardInformation) instead of
calling fstat_by_handle. Always unlock node before returning.
Use fhandler's unique id to create lf_id for BSD flock locks.
Rely on node lock from inode_t::get. Call del_lock_obj on removed
locks here to allow explicit unlocking. Delete node if no lock exists
on the file anymore.
(lf_setlock): Get file handle as additional parameter. Handle the fact
that lf_getblock now always opens the attached event object. Reactivate
erroneously applied patch which deactivates setting thread priority.
Additionally handle blocking on BSD flock locks.
(lf_clearlock): Get file handle as additional parameter.
(lf_getlock): Close event handle opened by lf_getblock.
(lf_getblock): Open potentially blocking event object here and check
its signal state if it's a BSD flock lock.
(lf_wakelock): Get file handle as additional parameter.
* fork.cc (frok::child): Drop call to fixup_lockf_after_fork.
* ntdll.h (struct _EVENT_BASIC_INFORMATION): Define.
(enum _EVENT_INFORMATION_CLASS): Define.
(NtQueryEvent): Declare.
* fhandler.h (fhandler_base::fs_flags): Remove.
(fhandler_base::set_fs_flags): Remove.
(fhandler_base::get_fs_flags): Remove.
* fhandler.cc (fhandler_base::write): Check for sparse file using
pc.fs_flags().
* fhandler_disk_file.cc (fhandler_disk_file::ftruncate): Ditto.
The return of the volume serial number in fs_info.
* fhandler.h (get_dev): New method.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Drop call to
NtQueryVolumeInformationFile(FileFsVolumeInformation). Just use
get_dev() method.
* fhandler_fifo.cc (fhandler_fifo::open) Use device ID and inode number
to generate fifo name.
* path.h (fs_info::sernum): New member.
(fs_info::serial_number): New method.
(path_conv::fs_serial_number): New method.
* path.cc (fs_info::update): Fetch volume serial number and store in
sernum.
2008-03-28 Corinna Vinschen <corinna@vinschen.de>
* flock.cc (lockf_t::operator new): Add operator taking a pointer. Call
cmalloc instead of ccalloc in the default operator. Add comments.
(inode_t::operator new): Call cmalloc instead of ccalloc.
(inode_t::get_all_locks_list): Return lockf_t pointer.
(inode_t::del_all_locks_list): Delete. Remove calls throughout.
(inode_t::get): Handle failing new gracefully.
(MAX_LOCKF_CNT): Define.
(inode_t::get_all_locks_list): Use pre-allocated buffer in i_all_lf
instead of allocating every lock. Return pointer to start of linked
list of locks.
(lockf_t::open_lock_obj): Create event object non-inheritable.
(fhandler_disk_file::lock): Handle failing new gracefully.
(lf_setlock): Allocate temporary buffer for node->i_all_lf from TLS.
Remove erroneous NtClose call.
(lf_getlock): Allocate temporary buffer for node->i_all_lf from TLS.
(lf_getblock): Set lf to return value of get_all_locks_list.
2008-03-27 Corinna Vinschen <corinna@vinschen.de>
* flock.cc (FLOCK_PARENT_DIR_ACCESS): Define.
(FLOCK_INODE_DIR_ACCESS): Define.
(FLOCK_MUTANT_ACCESS): Define.
(FLOCK_EVENT_ACCESS): Define.
(SD_MIN_SIZE): Define.
(everyone_sd): Define to simplify calling _everyone_sd.
(_everyone_sd): Replace everyone_sync_sd. Take SECURITY_DESCRIPTOR as
argument and allow to specify access mask.
(get_lock_parent_dir): Open/Create parent dir with
FLOCK_PARENT_DIR_ACCESS. Add text to api_fatal message.
(inode_t::inode_t): Open/Create dir with FLOCK_INODE_DIR_ACCESS.
Open/Create mutant with FLOCK_MUTANT_ACCESS. Add text to api_fatal
message.
(lockf_t::create_lock_obj): Create event with FLOCK_EVENT_ACCESS.
Add text to api_fatal message.
(lockf_t::open_lock_obj): Open event with FLOCK_EVENT_ACCESS.
On failure, just return NULL pointer instead of calling api_fatal.
(lockf_t::get_lock_obj_handle_count): Replace call to small_printf
with call to debug_printf.
(lf_setlock): Handle a failure to open the lock event object as
EDEADLK. Call system_printf if opening sync objects fail.
* ntdll.h (DIRECTORY_TRAVERSE): Define.
(DIRECTORY_CREATE_OBJECT): Define.
(DIRECTORY_CREATE_SUBDIRECTORY): Define.
(EVENT_QUERY_STATE): Define.
2008-03-27 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (rename): Fix setting errno in case of trailing "/."
2008-03-27 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc: Create shared objects session local throughout.
* shared.cc (shared_name): Add argument to allow opening session
local shared memory.
* shared_info.h (shared_name): Change declaration accordingly.
2008-03-26 Christopher Faylor <me+cygwin@cgf.cx>
Implement method of detecting a missing dll as suggested by Brian
Dessent.
* hookapi.cc (find_first_notloaded_dll): New function.
* pinfo.cc (status_exit): New function. Issue message when dll not
found. Use find_first_notloaded_dll to find a nonexistent dll.
(pinfo::maybe_set_exit_code_from_windows): Call status_exit when exit
code >= 0xc0000000UL.
* sigproc.cc (child_info::proc_retry): Return exit code when
STATUS_DLL_NOT_FOUND.
* spawn.cc (spawn_guts): Minor cleanup.
* syscalls.cc (close_all_files): Don't actually close stderr
filehandle. Just make it noninheritable.
* winsup.h (find_first_notloaded_dll): Declare new function.
2008-03-26 Brian Dessent <brian@dessent.net>
* ntdll.h: Add several missing NTSTATUS defines.
2008-03-24 Corinna Vinschen <corinna@vinschen.de>
* flock.cc (inode_t::get_all_locks_list): Don't allow F_WAIT flag
in lock event object name.
(lockf_t::create_lock_obj): Ditto.
(lockf_t::open_lock_obj): Ditto.
(lf_setlock): Only check POSIX locks for deadlock condition.
(lf_findoverlap): Don't let POSIX and flock locks interact.
2008-03-24 Corinna Vinschen <corinna@vinschen.de>
* flock.cc: Clarify a couple of comments.
(lf_setlock): Treat not being able to sync on a process as a potential
deadlock situation. Close process handle using CloseHandle.
2008-03-24 Corinna Vinschen <corinna@vinschen.de>
* flock.cc: Fix typo in comment.
2008-03-24 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_base::dup): Drop setting flags in the parent.
Implement advisory file locking.
* cygheap.h (struct init_cygheap): Add inode_list member.
* cygwin.din (lockf): Export.
* dcrt0.cc (child_info_spawn::handle_spawn): Call
fixup_lockf_after_exec.
* dtable.h (class dtable): Add fhandler_disk_file as friend class.
* fhandler.cc (fhandler_base::close): Call del_my_locks if node is set.
(fhandler_base::fhandler_base): Initialize node to NULL.
(fhandler_base::fixup_after_fork): Ditto.
* fhandler.h (class fhandler_base): Add member node.
* fhandler_disk_file.cc (fhandler_disk_file::lock): Delete.
* flock.cc: Implement all advisory file locking here.
(fhandler_disk_file::lock): Implement here.
(flock): Call fcntl with F_FLOCK bit set. Remove test main function.
(lockf): New function.
* fork.cc (frok::child): Call fixup_lockf_after_fork.
* ntdll.h (DIRECTORY_ALL_ACCESS): Define.
(struct _OBJECT_BASIC_INFORMATION): Define.
(enum _EVENT_TYPE): Define.
(NtCreateDirectoryObject): Declare.
(NtCreateEvent): Declare.
(NtCreateMutant): Declare.
(NtOpenEvent): Declare.
(NtOpenMutant): Declare.
* include/cygwin/version.h: Bump API minor number.
2008-03-22 Christopher Faylor <me+cygwin@cgf.cx>
* dtable.cc (handle_to_fn): Modify to return true if handle represents
a cygwin tty.
(dtable::init_std_file_from_handle): Detect when we've seen a cygwin
pipe and use it in overlapped mode by default.
(decode_tty): Make static.
2008-03-22 Christopher Faylor <me+cygwin@cgf.cx>
* dtable.cc: Define various device-related string constants as wide
character constants.
(dtable::init_std_file_from_handle): Reorganize pipe handling to try to
catch special tty case.
(build_fh_name_worker): Declare for common use.
(build_fh_name): Define char version.
(build_fh_name): Define (currently unused) UNICODE_STRING version.
(decode_tty): Detect if pipe is actually a cygwin tty, returning the
tty name in the buffer.
(handle_to_fn): Reorganize to use wide characters.
* dtable.h (build_fh_name): Declare (currently unused) UNICODE_STRING
version.
* fhandler_tty.cc (fhandler_pty_master::setup): Use
fhandler_pipe::create_selectable to create a pipe with a given name.
* pipe.cc (pipe_handler): Make returned handle inheritable.
(fhandler_pipe::create_selectable): Take an optional name. Use a
standard cygwin introducer for the name.
* path.cc (path_conv::check): Make first argument const.
* path.h (path_conv::check): Ditto for declaration.
(path_conv::path_conv): Ditto for UNICODE_STRING version.
2008-03-18 Corinna Vinschen <corinna@vinschen.de>
* include/sys/cygwin.h: Revert erroneous move of `#ifdef WINVER' to
another location.
2008-03-14 Corinna Vinschen <corinna@vinschen.de>
* fcntl.cc (fcntl_worker): Protect with a 'myfault'.
* path.cc (normalize_posix_path): Treat X:/ as Win32 path, too.
* smallprint.cc (__wrn): New static function.
(__small_vswprintf): New function to generate WCHAR strings.
(__small_swprintf): Ditto.
* winsup.h (__small_swprintf): Declare.
(__small_vswprintf): Declare.
2008-03-13 Corinna Vinschen <corinna@vinschen.de>
* path.sgml: Remove documentation for old path API. Add documentation
for new path API.
* security.sgml: New file to document cygwin_set_impersonation_token
and cygwin_logon_user with only eight years of delay.
* shared.sgml: Remove file.
* include/sys/cygwin.h (cygwin32_attach_handle_to_fd): Move declaration
into fully deprecated function block.
(cygwin_logon_user): Move declaration down to declaration of
cygwin_set_impersonation_token.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (rename): Just return with 0 if filenames are identical,
per POSIX. Drop comment added in previous patch.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (rename): Handle a special case of trying to rename a
mount point.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* environ.h: Fix comment.
* winsup.h: Ditto. Reflect the fact that CYG_MAX_PATH is deprecated.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* pipe.cc (fhandler_pipe::create_selectable): Use MAX_PATH instead of
CYG_MAX_PATH.
* tty.cc (tty_list::init_session): Ditto.
(tty::alive): Ditto.
(tty::open_mutex): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Disable
munging. Convert all chars in the 0xf0xx area to it's ascii equivalent.
* path.cc (normalize_posix_path): Don't treat "X:foo" as windows path,
only "X:\foo".
(tfx_chars): New transformation table for special DOS chars.
(tfx_chars_managed): Ditto, plus transformation of uppercase ASCII
chars.
(transform_chars): New function.
(get_nt_native_path): Make static. Call transform_chars for all valid
FS paths. Get additional flag if file is managed or not. Accommodate
throughout.
(getfileattr): Get additional flag if file is managed or not.
Accommodate throughout.
(path_conv::check): Disable special handling for trailing dots and
spaces.
(mount_item::build_win32): Disable code for managed paths.
(mount_info::conv_to_posix_path): Ditto.
* path.h (get_nt_native_path): Remove declaration.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Don't
copy filename twice in the non-managed case.
2008-03-12 Corinna Vinschen <corinna@vinschen.de>
* winsup.h (NT_MAX_PATH): Revert ill-advised change to 32767.
Accommodate change throughout.
* cygwin.din (cygwin_conv_path): Export.
(cygwin_conv_path_list): Export.
(cygwin_create_path): Export.
* dcrt0.cc (dll_crt0_1): Use cygwin_conv_path.
* dtable.cc (handle_to_fn): Ditto. Don't expect UNICODE_STRING being
0-terminated.
* environ.cc (env_plist_to_posix): New helper function.
(env_plist_to_win32): Ditto.
(env_path_to_posix): Ditto.
(env_path_to_win32): Ditto.
(return_MAX_PATH): Remove.
(conv_envvars): Use new helper functions. Drop removed members.
(win_env::operator =): Accommodate removal of path length functions.
(win_env::add_cache): Accommodate new env helper function API.
(posify): Ditto.
* environ.h (struct win_env): Ditto. Remove path length function
pointers since they are unused.
* path.cc (warn_msdos): Use cygwin_conv_path.
(getfileattr): Use new tmp_pathbuf::u_get method.
(fillout_mntent): Ditto.
(symlink_info::check): Ditto.
(path_conv::check): Use sizeof (WCHAR) instead of constant 2.
(symlink_info::check_reparse_point): Ditto.
(conv_path_list): Get max size of target string as argument. Call
cygwin_conv_path as helper function.
(cygwin_conv_path): New function.
(cygwin_create_path): New function.
(cygwin_conv_to_win32_path): Just call cygwin_conv_path with size set
to MAX_PATH.
(cygwin_conv_to_full_win32_path): Ditto.
(cygwin_conv_to_posix_path): Ditto.
(cygwin_conv_to_full_posix_path): Ditto.
(conv_path_list_buf_size): Add FIXME comment.
(env_PATH_to_posix): Rename from env_win32_to_posix_path_list.
Add size argument as required for env helper functions.
(cygwin_win32_to_posix_path_list): Call conv_path_list with size set to
MAX_PATH.
(cygwin_posix_to_win32_path_list): Ditto.
(cygwin_conv_path_list): New function.
(cwdstuff::get): Fix length argument in call to sys_wcstombs.
* spawn.cc (find_exec): Use cygwin_conv_path_list.
* tls_pbuf.h (tmp_pathbuf::u_get: New method.
* uinfo.cc (cygheap_user::ontherange): Allocate temporary path buffers
using tmp_pathbuf. Use cygwin_conv_path.
* winf.cc (av::unshift): Use cygwin_conv_path.
* include/cygwin/version.h: Bump API minor number.
* include/sys/cygwin.h: Comment out old cygwin32_XXX API.
Mark old path handling API as deprecated.
(cygwin_conv_path_t): Typedef. Define values.
(cygwin_conv_path): Declare.
(cygwin_create_path): Declare.
(cygwin_conv_path_list): Declare.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* dlfcn.cc (get_full_path_of_dll): Allow paths up to PATH_MAX.
(dlopen): Call get_full_path_of_dll with path buffer allocate by
tmp_pathbuf.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* spawn.cc (find_exec): Use tmp_pathbuf to allocate path buffer.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* dtable.cc (dtable::init_std_file_from_handle): Use tmp_pathbuf to
allocate path buffer.
(handle_to_fn): Ditto. Allocate fnbuf big enough to get long path
names.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* path.cc (cwdstuff::set): Make sure drive_length is 0 for virtual
paths. Add comments.
* spawn.cc (spawn_guts): Don't allow to start a native Win32 application
from a long path or a virtual path. Print an error message to stderr.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* environ.cc (parse_options): Use tmp_pathbuf to allocate buffer.
(regopt): Take tmp buffer as additional argument.
(environ_init): Alllcate tmpbuf earlier. Use as temporary buffer in
call to regopt.
* tls_pbuf.cc (tmp_pathbuf::c_get): Allocate one additional char.
(tmp_pathbuf::w_get): Allocate one additional WCHAR.
* winf.cc (av::unshift): Use tmp_pathbuf to allocate buffer.
2008-03-11 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (sync): Use MAX_PATH rather than CYG_MAX_PATH.
2008-03-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (class fhandler_console): Add write_buf as pointer to
temporary buffer space.
* fhandler_console.cc (CONVERT_LIMIT): Define as NT_MAX_PATH. Add
comment.
(fhandler_console::write_normal): Use write_buf throughout.
(fhandler_console::write): Use tmp_pathbuf to allocate write_buf.
2008-03-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler_console.cc (fhandler_console::write_normal): Don't print
chars marked as ERR chars.
2008-03-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (dev_console::con_to_str): Declare returning DWORD.
* fhandler_console.cc (dev_console::con_to_str): Return number of
multibyte char bytes.
(fhandler_console::read): Set nread to number of multibyte char bytes
returned from con_to_str.
(fhandler_console::write_normal): Reorder trunc buffer preocessing.
Return after writing valid multibyte sequence out of trunc buffer.
Change comments slightly.
2008-03-08 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (DIR_BUF_SIZE): Define required space for file
name in terms of sizeof(WCHAR).
(fhandler_disk_file::readdir_helper): Convert *all* of fname.
* path.cc (fillout_mntent): Use tmp_pathbuf for path buffer.
(symlink_worker): Ditto.
(SCAN_JUSTCHECKTHIS): New state for suffix_scan to define
that only the actual name gets cheked and a suffix is never attached.
(suffix_scan::has): If filename + suffix would be > NAME_MAX, start
in SCAN_JUSTCHECKTHIS state.
(suffix_scan::next): Add case for SCAN_JUSTCHECKTHIS.
(symlink_info::check): Use tmp_pathbuf for path buffer. Goto
file_not_symlink in case of invalid file name.
(realpath): Use tmp_pathbuf for path buffer.
2008-03-07 Brian Dessent <brian@dessent.net>
* dtable.cc (handle_to_fn): Null-terminate posix_fn in the case
of justslash = true.
2008-03-07 Brian Dessent <brian@dessent.net>
* fhandler.cc (fhandler_base::open): Use %S for PUNICODE_STRING.
* syscalls.cc (setmode): Ditto.
2008-03-07 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::sendto): Never send more than
64K. Add comment to explain why.
(fhandler_socket::sendmsg): Ditto.
2008-03-07 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in (DLL_OFILES): Add tls_pbuf.o.
* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
(CreateWindowStationW): Replace CreateWindowStationA.
(GetUserObjectInformationW): Replace GetUserObjectInformationA.
* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
* cygtls.h (TP_NUM_C_BUFS): Define.
(TP_NUM_W_BUFS): Define.
(class tls_pathbuf): New class to store pointers to thread local
temporary path buffers.
(_local_storage::pathbufs): New member.
* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
of stack based buffer.
(posify): Get temporary outenv buffer from calling function.
(environ_init): Create temporary TLS path buffer for posify.
(build_env): Create Windows environment block as WCHAR buffer.
* environ.h (build_env): Change declaration accordingly.
* external.cc (sync_winenv): Accommodate build_env change.
* fhandler_console.cc (fhandler_console::need_invisible): Use
GetUserObjectInformationW and CreateWindowStationW.
* fhandler_process.cc (format_process_maps): Use temporary TLS path
buffer instead of stack based buffer.
* fork.cc (frok::parent): Convert to use CreateProcessW.
* path.cc: Throughout use temporary TLS path buffers instead of stack
based buffer. Replace checks for CYG_MAX_PATH by checks for
NT_MAX_PATH.
(getfileattr): New function to replace GetFileAttributesA.
(normalize_win32_path): Remove Win32 and NT long path prefixes.
(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
(iswdrive): Define.
* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
stack based buffer.
* registry.cc (get_registry_hive_path): Ditto.
(load_registry_hive): Ditto.
* spawn.cc (spawn_guts): Convert to use CreateProcessW and
CreateProcessAsUserW.
(av::fixup): Open/close file using NtOpenFile/NtClose.
* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
(mknod32): Ditto.
(getusershell): Ditto.
* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
methods.
* tls_pbuf.h: New header for files using tmp_pathbuf.
* tlsoffsets.h: Regenerate.
* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.
2008-03-06 Corinna Vinschen <corinna@vinschen.de>
* child_info.h (CURR_CHILD_INFO_MAGIC): Reset.
2008-03-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_base::open_): Add missing test for O_CREAT.
Fix comment.
2008-03-05 Corinna Vinschen <corinna@vinschen.de>
* child_info.h (~child_info_spawn): Check moreinfo->myself_pinfo for
NULL before closing.
* spawn.cc (spawn_guts): Don't close moreinfo->myself_pinfo explicitely
in case of failing CloseProcess.
* fhandler.cc (fhandler_base::open_): Return EISDIR when trying to
create a directory.
* path.cc (path_conv::check): If input path had a trailing dir
separator, tack it on to the native path if directory doesn't exist.
2008-03-02 Christopher Faylor <me+cygwin@cgf.cx>
* cygtls.cc (_cygtls::init_exception_handler): Semi-revert to making
only ourselves the exception handler and nothing else.
* exceptions.cc (open_stackdumpfile): Use correct format specifiers for
unicode when printing the name of the stackdump file.
(stack_info::walk): Stop walking if ebp points into cygwin itself.
(_cygtls::handle_exceptions): Detect when signal is masked and treat as
if it was not caught. Reinitialize exception handler to known state to
avoid subsequent attempts to call Windows exception handlers if an
exception occurs in a signal handler. Revert to a 'return 0' rather
than using a goto.
* strfuncs.cc (sys_wcstombs_alloc): Minor formatting tweak.
* winsup.h: Fix comment typo.
2008-03-02 Christopher Faylor <me+cygwin@cgf.cx>
* smallprint.cc (__small_vsprintf): Free allocated buffer rather than
pointer into the buffer.
2008-03-01 Christopher Faylor <me+cygwin@cgf.cx>
* cygtls.h (_cygtls::handle_threadlist_exception): Eliminate.
(_cygtls::init_threadlist_exceptions): Ditto.
* cygtls.cc (_cygtls::handle_threadlist_exception): Eliminate.
(_cygtls::init_threadlist_exceptions): Ditto.
(_cygtls::find_tls): Use myfault handling to deal with errors caused by
nonexistent threads.
* sigproc.cc (wait_sig): Eliminate call to init_threadlist_exceptions.
2008-03-01 Christopher Faylor <me+cygwin@cgf.cx>
* cygtls.cc (_cygtls::init_exception_handler): Just return.
2008-03-01 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (_cygtls::handle_exceptions): Only call rtl_unwind when
exiting. Just return, don't set thread context.
* gendef (_setjmp): Store %fs:0 in jmp_buf.
(_sjfault): Ditto.
(_ljfault): Restore %fs:0 from jmp_buf.
(_longjmp): Ditto.
2008-02-29 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Call close_fs
instead of close to avoid calling close from wrong class when changing
a file system based device node.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
2008-02-28 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (_cygtls::handle_exceptions): When being debugged,
leave through SetThreadContext, too, to keep exception handler stack
intact.
2008-02-28 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (open_stackdumpfile): Add comments.
2008-02-28 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (open_stackdumpfile): Use NtCreateFile to create
stackdump file.
2008-02-27 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (stack_info::walk): Fix typo.
2008-02-27 Corinna Vinschen <corinna@vinschen.de>
* cygtls.cc (_cygtls::init_exception_handler): Fix comment.
2008-02-27 Corinna Vinschen <corinna@vinschen.de>
* (struct __DIR_cache): Switch order of members so that the buffer
given to NtQueryDirectoryFile is 8 byte aligned.
2008-02-27 Christopher Faylor <me+cygwin@cgf.cx>
* cygtls.cc (_cygtls::handle_threadlist_exception): Make it clear that
the function never actually returns.
* exceptions.cc (_cygtls::handle_exceptions): Jump out of function
rather than returning to avoid meddling by previously installed
exception handlers.
2008-02-25 Corinna Vinschen <corinna@vinschen.de>
* dcrt0.cc (initial_env): Only use local buffer "buf" if DEBUGGING is
enabled. Replace calls to GetEnvironmentVariable by calls to
GetEnvironmentVariableA for clarity. Call GetEnvironmentVariableA
with NULL buffer.
(cygbench): Ditto, drop local buffer.
* environ.cc (getearly): Call GetEnvironmentVariableA.
(environ_init): Retrieve unicode environment and convert to current
codepage locally.
(getwinenveq): Ditto.
* exceptions.cc (try_to_debug): Accommodate new sys_mbstowcs calling
convention.
* fhandler_clipboard.cc (set_clipboard): Call sys_mbstowcs to retrieve
required buffer length.
* fork.cc (frok::child): Call GetEnvironmentVariableA.
* miscfuncs.cc: Accommodate changed arguments in calls to sys_mbstowcs.
* sec_auth.cc: Ditto.
* strfuncs.cc (sys_wcstombs_alloc): Fix formatting.
(sys_mbstowcs): Change arguments to allow specifying a source string
length.
(sys_mbstowcs_alloc): Ditto.
* uinfo.cc (cygheap_user::ontherange): Accommodate changed arguments in
calls to sys_mbstowcs.
* winsup.h (sys_mbstowcs): Adjust declaration.
(sys_mbstowcs_alloc): Ditto.
2008-02-20 Corinna Vinschen <corinna@vinschen.de>
* path.cc (cwdstuff::set): Revert error handling change in case
DuplicateHandle fails, because it breaks Vista/Longhorn workaround.
2008-02-19 Christopher Faylor <me+cygwin@cgf.cx>
* sigproc.cc (sig_send): Use sigmask of target thread if it is
specified otherwise default to main sigmask.
2008-02-16 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_base::fpathconf): Fix _PC_NAME_MAX and
_PC_PATH_MAX cases.
2008-02-15 Corinna Vinschen <corinna@vinschen.de>
* include/sys/cygwin.h (__INT_MAX_PATH): Remove.
(external_pinfo): Convert program_long to pointer.
* external.cc (fillout_pinfo): Add buffer for program_long value.
2008-02-15 Corinna Vinschen <corinna@vinschen.de>
* include/sys/cygwin.h (__INT_MAX_PATH): Define to 32K.
(external_pinfo): Set size of program_long to __INT_MAX_PATH.
2008-02-15 Christopher Faylor <me+cygwin@cgf.cx>
* include/sys/cygwin.h (external_pinfo): Define program_long size using
external buffer size rather than cygwin-internal buffer size.
2008-02-15 Christopher Faylor <me+cygwin@cgf.cx>
Perform whitespace cleanup throughout.
* dcrt0.cc (signal_shift_subtract): Eliminate ancient backwards
compatibility.
(check_sanity_and_sync): Ditto.
* winsup.h (SIGTOMASK): Ditto. Just use constant in signal
calculation.
* include/cygwin/version: Remove backwards signal mask compatibility
define.
* path.cc (symlink_info::check_sysfile): Cosmetic change.
* registry.cc (get_registry_hive_path): Remove unneeded variable.
* exceptions.cc (handle_sigsuspend): Eliminate thread signal mask and
use either main sigmask or current thread sigmask.
(set_process_mask): Ditto.
(sighold): Ditto.
(sigrelse): Ditto.
(sigset): Ditto.
(set_process_mask_delta): Ditto.
(_cygtls::call_signal_handler): Ditto.
* fhandler_process.cc (format_process_status): Ditto.
* fhandler_termios.cc (fhandler_termios::bg_check): Ditto.
* pinfo.h (class pinfo): Ditto.
* select.cc (pselect): Ditto.
* signal.cc (sigprocmask): Ditto.
(abort): Ditto.
(sigpause): Ditto.
(sigsend): Ditto.
(wait_sig): Ditto.
* thread.h (pthread::parent_tls): New member.
* thread.cc (pthread::pthread): Record parent_tls here.
(pthread::thread_init_wrapper): Initialize sigmask from parent thread.
2008-02-14 Corinna Vinschen <corinna@vinschen.de>
* cygheap.cc (cwcsdup): New function.
(cwcsdup1): New function.
* cygheap.h (cygheap_user::get_windows_id): New method returning PWCHAR.
(cwcsdup): Declare.
(cwcsdup1): Declare.
* registry.cc (get_registry_hive_path): Use WCHAR instead of char
throughout.
(load_registry_hive): Ditto.
* registry.h (get_registry_hive_path): Change declaration accordingly.
(load_registry_hive): Ditto.
* sec_helper.cc (cygpsid::string): New method returning PWCHAR.
* security.h (cygpsid::string): Declare.
* syscalls.cc (seteuid32): Convert local name var to WCHAR.
* uinfo.cc (cygheap_user::env_userprofile): Convert local name buffers
to WCHAR. Call sys_wcstombs_alloc to generate puserprof buffer.
* winsup.h: Fix comment.
(NT_MAX_PATH): New definition for maximum internal path length.
Use throughout where appropriate.
* include/limits.h (PATH_MAX): Set to 4096 as on Linux.
2008-02-13 Christopher Faylor <me+cygwin@cgf.cx>
* configure.in: Remove non-working options.
* configure: Regenerate.
2008-02-13 Christopher Faylor <me+cygwin@cgf.cx>
* syscalls.cc (_isatty): Define as an alias to isatty to override
newlib version.
* thread.cc (pthread_kill): Deal with signal 0 as per POSIX and also
avoid manipulating an invalid thread.
2008-02-13 Corinna Vinschen <corinna@vinschen.de>
* posix.sgml: Move llrint, llrintf, llrintl, lrintl, rintl, wcstol,
wcstoll, wcstoul, wcstoull, wcsxfrm from unimplemented to implemented
POSIX interfaces.
Change headline of "GNU extensions" to "GNU and Linux extensions".
Add fgetxattr, flistxattr, fremovexattr, fsetxattr, getxattr, lgetxattr,
listxattr, llistxattr, lremovexattr, lsetxattr, removexattr, setxattr,
wcpcpy and wcpncpy to list of implemented GNU functions.
2008-02-13 Corinna Vinschen <corinna@vinschen.de>
* cygtls.cc (_cygtls::init_exception_handler): Revert patch
from 2005-12-02.
* exceptions.cc (stack_info::walk): Add workaround for NT 5.2
64 bit OSes.
* wincap.h (wincaps::has_restricted_stack_args): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Reset has_restricted_stack_args if not running
under WOW64.
2008-02-11 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::fgetxattr): Remove unused
attr.
(fhandler_disk_file::fsetxattr): Ditto.
* include/attr/xattr.h: New file.
2008-02-11 Corinna Vinschen <corinna@vinschen.de>
* dcrt0.cc (dll_crt0_1): Fix typo in call to sys_wcstombs.
* miscfuncs.cc (next_char): Initialize ret to keep gcc happy.
2008-02-10 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in (DLL_OFILES): Add ntea.o.
* cygwin.din (getxattr, listxattr, removexattr, setxattr, lgetxattr,
llistxattr, lremovexattr, lsetxattr, fgetxattr, flistxattr,
fremovexattr, fsetxattr): Export Linux extended attribute functions.
Sort.
* errno.cc (errmap): Add mappings for ERROR_EAS_DIDNT_FIT,
ERROR_EAS_NOT_SUPPORTED, ERROR_EA_LIST_INCONSISTENT,
ERROR_EA_TABLE_FULL, ERROR_FILE_CORRUPT, ERROR_INVALID_EA_NAME.
* fhandler.h (class fhandler_base): Declare new fgetxattr and
fsetxattr methods.
(class fhandler_disk_file): Ditto.
* fhandler.cc (fhandler_base::fgetxattr): New method.
(fhandler_base::fsetxattr): New method.
* fhandler_disk_file.cc (fhandler_disk_file::fgetxattr): New method.
(fhandler_disk_file::fsetxattr): New method.
* ntdll.h (STATUS_EA_TOO_LARGE): Define.
(STATUS_NONEXISTENT_EA_ENTRY): Define.
(STATUS_NO_EAS_ON_FILE): Define.
* ntea.cc (read_ea): Rewrite for long pathnames and for using with
Linux extended attribute functions.
(write_ea): Ditto.
(getxattr_worker): New static function.
(getxattr): New function.
(lgetxattr): New function.
(fgetxattr): New function.
(listxattr): New function.
(llistxattr): New function.
(flistxattr): New function.
(setxattr_worker): New static function.
(setxattr): New function.
(lsetxattr): New function.
(fsetxattr): New function.
(removexattr): New function.
(lsetxattr): New function.
(fsetxattr): New function.
* security.h (read_ea): Change declaration according to above changes.
(write_ea): Ditto.
* include/cygwin/version.h: Bump API minor version.
2008-02-10 Corinna Vinschen <corinna@vinschen.de>
* libc/ftw.cc (ftw): Allow nfds <= 0 for glibc compatibility.
* libc/nftw.c (nftw): Ditto.
2008-02-07 Corinna Vinschen <corinna@vinschen.de>
* dtable.cc (dtable::init_std_file_from_handle): Set access to
read/write if handle is connected to a tty or console.
* fhandler_dsp.cc (fhandler_dev_dsp::dup): Set open flags correctly
after duplicating from archetype.
* fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.
(fhandler_pty_master::dup): Ditto.
2008-02-06 Corinna Vinschen <corinna@vinschen.de>
* miscfuncs.cc (next_char): Fix typos in comment.
* strfuncs.cc: Remove cygserver guards.
2008-02-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (fhandler_console::trunc_buf): Add to use as cache for
truncated multibyte characters on input.
(fhandler_console::write_replacement_char): Declare new method.
* fhandler_console.cc (CONVERT_LIMIT): Raise to 64K.
(fhandler_console::fhandler_console): Initialize trunc_buf.
(ERR): Define as independent value again.
(fhandler_console::write_replacement_char): New method to print
replacement chars.
(fhandler_console::write_normal): Add handling for truncated multibyte
sequences. Call next_char instead of pathetic CharNextExA function.
Don't change src, rather just work with found later on.
* miscfuncs.cc (is_cp_multibyte): Move here from strfuncs.cc.
Don't call Windows function, restrict to well-known ANSI/OEM codepages
and UTF-8.
(next_char): Call CharNextExA only for doublebyte codepages.
Implement for UTF-8 here.
* strfuncs.cc (is_cp_multibyte): Move to miscfuncs.cc.
* winsup.h (next_char): Declare.
* include/limits.h (MB_LEN_MAX): Set to maximum value of MB_CUR_MAX
as defined by newlib for now.
2008-02-05 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (CharToOemA): Remove.
(CharNextExA): Define.
* environ.cc (codepage_init): Un-static. Set active_codepage to
active codepage. Default to ansi regardless of buf pointer.
* fhandler.h (dev_console::get_console_cp): New method.
(dev_console::con_to_str): Change declaration according to new
implementation.
(dev_console::str_to_con): Ditto.
* fhandler_console.cc (cp_convert): Remove.
(dev_console::con_to_str): Redefine to take WCHAR as incoming console
char.
(dev_console::get_console_cp): Return correct codepage according to
alternate_charset_active setting.
(dev_console::str_to_con): Redefine to create WCHAR buffer for console
output.
(fhandler_console::read): Read console input as WCHARs.
(base_chars): Fix typo in comment.
(fhandler_console::char_command): Save and restore console output
buffer using UNICODE functions.
(fhandler_console::write_normal): Convert to write output in UNICODE.
Use CharNextExA to recognize multibyte characters in input. Workaround
problem with UTF-8 and MultiByteToWideChar. Simplify the loop for
printing "normal" characters.
* strfuncs.cc (active_codepage): New variable to store active codepage.
(get_cp): Call codepage_init() if active_codepage is uninitialized.
Just return active_codepage.
(is_cp_multibyte): New function.
* winsup.h (active_codepage): Declare.
(codepage_init): Declare.
(is_cp_multibyte): Declare.
2008-02-03 Brian Dessent <brian@dessent.net>
* smallprint.cc (__small_vsprintf): Use HEAP_NOTHEAP for type.
* strfuncs.cc (sys_wcstombs_alloc): Guard use of ccalloc
to !__OUTSIDE_CYGWIN__ for use in cygserver.
(sys_mbstowcs_alloc): Ditto.
2008-02-01 Corinna Vinschen <corinna@vinschen.de>
* miscfuncs.cc (cygwin_wcsncasecmp): Never access more than n
characters.
(cygwin_strncasecmp): Ditto. Fix for strings longer than n.
2008-02-01 Corinna Vinschen <corinna@vinschen.de>
* string.h: Re-enable inline strcasematch and strncasematch
implementations and rename to ascii_strcasematch/ascii_strncasematch.
* dcrt0.cc: Replace str[n]casematch with ascii_str[n]casematch where
applicable.
* environ.cc: Ditto.
* fhandler_process.cc: Ditto.
* hookapi.cc: Ditto.
* path.cc: Ditto.
* spawn.cc: Ditto.
* strace.cc: Ditto.
* syscalls.cc: Ditto.
* uinfo.cc: Ditto.
* winf.cc: Ditto.
2008-01-31 Corinna Vinschen <corinna@vinschen.de>
* dcrt0.cc (dll_crt0_1): Use GetCommandLineW and convert to current
codepage.
* environ.cc (set_file_api_mode): Always set file api to ANSI if not
using the OEM codepage.
(codepage_init): Allow "utf8" codepage.
* fhandler_clipboard.cc (set_clipboard): Convert clipbuf to void and
cast as needed. Always convert input to wide char and write
CF_UNICODETEXT to clipboard.
(fhandler_dev_clipboard::read): Read CF_UNICODETEXT from clipboard and
convert to current codepage if CYGWIN_NATIVE format is not available.
* fhandler_console.cc: Drop redundant undef.
* smallprint.cc (__small_vsprintf): Convert PWCHAR and UNICODE_STRING
to current codepage for printing.
* strfuncs.cc: Use PWCHAR throughout.
(get_cp): Return CP_UTF8 for utf8_cp codepage setting.
(sys_wcstombs): Allow NULL target buffer.
(sys_wcstombs_alloc): New function.
(sys_mbstowcs_alloc): Ditto.
* winsup.h (codepage_type): Add utf8_cp.
(HEAP_NOTHEAP): Define.
(sys_wcstombs_alloc): Declare.
(sys_mbstowcs_alloc): Declare.
2008-01-31 Corinna Vinschen <corinna@vinschen.de>
* cygheap.h (struct cwdstuff): Add dir member to store cwd handle.
(cwdstuff::get_handle): New method.
* path.cc (cwdstuff::set): When doit is true, always try to get
directory handle. Fail if duplicating handle fails. Store handle
in dir. Fix potential SEGV when setting drive_length.
2008-01-28 Corinna Vinschen <corinna@vinschen.de>
* path.cc: Fix Samba version in comment.
2008-01-24 Corinna Vinschen <corinna@vinschen.de>
* path.cc (fs_info::update): Fix old-style Samba test to support
recent as well as upcoming Samba releases.
2008-01-22 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (struct _FILE_FS_OBJECTID_INFORMATION): Define.
* path.cc (struct smb_extended_info): Define.
(fs_info::update): Request object id info to get Samba information.
Set flags according to new implementation.
* path.h (struct fs_info): Add samba_version to status_flags.
Implement flags() and samba_version() using IMPLEMENT_STATUS_FLAG.
2008-01-21 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_disk_file::link): Open file with
READ_CONTROL for Vista/Longhorn's sake.
2008-01-15 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in (install-libs): Overwrite newlib's libg.a with symlink
to libcygwin.a.
2008-01-15 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in (DLL_OFILES): Remove memmem.o.
* memmem.cc: Remove in favor of newlib implementation.
2008-01-07 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h: Update copyright.
* include/limits.h: Ditto.
2008-01-06 Christopher Faylor <me+cygwin@cgf.cx>
* fhandler.h (fhandler_base::is_tty): Make bool.
(fhandler_serial::is_tty): Ditto.
(fhandler_termios::is_tty): Ditto.
(fhandler_base::is_slow): Return bool value.
(fhandler_socket::is_slow): Ditto.
(fhandler_serial::is_slow): Ditto.
(fhandler_console::is_slow): Ditto.
(fhandler_tty_common::is_slow): Ditto.
(fhandler_tty_master::is_slow): Ditto.
(fhandler_dev_null::is_slow): Ditto.
2008-01-06 Christopher Faylor <me+cygwin@cgf.cx>
* include/limits.h (TTY_NAME_MAX): Increase size to same as linux to
allow for (at least) null terminating byte for "/dev/console".
2008-01-01 Christopher Faylor <me+cygwin@cgf.cx>
* tty.cc: Update copyright.
* pipe.cc: Ditto.
2008-01-01 Christopher Faylor <me+cygwin@cgf.cx>
* newsym: First stab at understanding data as well as functions.
* pipe.cc (fhandler_pipe::init): Move more intelligence here.
(fhandler_pipe::create): Simplify based on above change.
* tty.cc (tty_list::allocate): Remove non-NT code.