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 "a:\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.
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.
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.
(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.
* 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.
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.
* 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.
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.
ourselves the exception handler and nothing else.
* exceptions.cc (open_stackdumpfile): Use correct format specifiers for unicode
when printing nameof 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.
(_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.
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.
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.
function never actually returns.
* exceptions.cc (_cygtls::handle_exceptions): Jump out of function rather than
returning to avoid meddling by previously installed exception handlers.
(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.
Corinna Vinschen
Brian Dessent
Christopher Faylor