* path.cc (symlink): Keep relative paths relative in the DOS

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

Thu Feb 22 17:09:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* path.cc (symlink): Keep relative paths relative in the DOS
	path inside of a shortcut. If that's impossible for some
	reason, save an absolute path.

Thu Feb 22 15:33:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* cygerrno.h: Revert previous patch.
	* errno.cc: Ditto.
	* dir.cc: Eliminate `dir_suffixes'.
	(opendir): Remove usage of `dir_suffixes'.
	(rmdir): Ditto.
	* fhandler.cc (fhandler_disk_file::open): Remove usage of
	`inner_suffixes'.
	* path.cc: Rename `inner_suffixes' to `lnk_suffixes'.
	(path_conv::check): Remove usage of `inner_suffixes'.
	(symlink): Ditto.
	(symlink_info::check): Handle checking for `.lnk' in path_conv
	exclusively here.
	(chdir): Remove usage of `dir_suffixes'.
	* shortcut.c: Eliminate debug_printf lines.
	(check_shortcut): Don't set error except on failing ReadFile.
	* spawn.cc: Remove ".lnk" from `std_suffixes'.
	* syscalls.cc (_unlink): Remove usage of `inner_suffixes'.
	Remove ".lnk" from `stat_suffixes'.
	(_rename): Add check for renaming a symlink to keep the ".lnk"
	suffix after renaming.

Thu Feb 22 13:38:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* shortcut.c: New file. Provides a C interface to reading of
	Windows shortcuts to avoid compiler flag `-fvtable-thunks'.
	* shortcut.h: Ditto.
	* Makefile.in: Add shortcut.o to DLL_OFILES.
	* cygerrno.h: Provide a C interface to `geterrno_from_win_error' for
	using in shortcut.c.
	* errno.cc (geterrno_from_win_error): Define as extern "C".
	* path.cc (struct symlink_info): Remove methods `check_shortcut' and
	`check_sysfile'.
	(shortcut_header): Move to shortcut.c.
	(shortcut_initalized): Ditto.
	(create_shortcut_header): Ditto.
	(cmp_shortcut_header): Ditto.
	(symlink_info::check_shortcut): Ditto. Reorganize as a plain C function.
	(symlink_info::check_sysfile): Redefine as a global function using the
	same parameter list as `check_shortcut' for clearness.
	(symlink_info::check): Change parameter list for calls to
	`check_shortcut' and `check_sysfile'.

Thu Feb 22 12:04:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.cc (fhandler_disk_file::open): Use `inner_suffixes' when
	resolving real_path.
	* path.cc (symlink): Ditto for win32_topath.

Wed Feb 21 22:41:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* Makefile.in: Add `-lshell32 -luuid' to link pass for new-cygwin1.dll.
	* autoload.cc: Add LoadDLLinitfunc for ole32.dll.
	Add LoadDLLfuncEx statements for CoInitialize@4, CoUninitialize@0
	and CoCreateInstance@20.
	* dir.cc (dir_suffixes): New datastructure.
	(readdir): Check for R/O *.lnk files to hide the suffix.
	(opendir): Use `dir_suffixes' in path conversion.
	(rmdir): Ditto.
	* fhandler.cc (fhandler_disk_file::fstat): Add S_IFLNK flag
	before calling `get_file_attribute'. Take FILE_ATTRIBUTE_READONLY
	into account only if the file is no symlink.
	* path.cc (inner_suffixes): New datastructure.
	(SYMLINKATTR): Eliminated.
	(path_conv::check): Use `inner_suffixes' on inner path components.
	(shortcut_header): New global static variable.
	(shortcut_initalized): Ditto.
	(create_shortcut_header): New function.
	(cmp_shortcut_header): Ditto.
	(symlink): Create symlinks by creating windows shortcuts. Preserve
	the old code.
	(symlink_info::check_shortcut): New method.
	(symlink_info::check_sysfile): Ditto.
	(symlink_info::check): Check for shortcuts. Move code reading
	old system attribute symlinks into symlink_info::check_sysfile().
	(chdir): Use `dir_suffixes' in path conversion.
	* security.cc (get_file_attribute): Check for S_IFLNK flag.
	Force 0777 permissions then.
	* spawn.cc (std_suffixes): Add ".lnk" suffix.
	* syscalls.cc (_unlink): Use `inner_suffixes' in path conversion.
	Check for shortcut symlinks to eliminate R/O attribute before
	calling DeleteFile().
	(stat_suffixes): Add ".lnk" suffix.
	(stat_worker): Force 0777 permissions if file is a symlink.

2001-02-21  Egor Duda  <deo@logos-m.ru>

	* sigproc.cc (getsem): Make semaphore always non-inheritable.

Mon Feb 19 22:25:53 2001  Christopher Faylor <cgf@cygnus.com>

	* dcrt0.cc (locale_init): Remove.

2001-02-15  Kazuhiro Fujieda  <fujieda@jaist.ac.jp>

	* cygwin.din: Export rand48 functions.
	* thread.cc (MTinterface::Init): Remove the initialization of
	`reent_data'.
	* dcrt0.cc: Add the initalizer to the declaration of `reent_data'.
	* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 35.

2001-02-16  Egor Duda  <deo@logos-m.ru>

	* signal.cc (signal): Prohibit setting handlers for SIGKILL and
	SIGSTOP
	* signal.cc (sigaction): Ditto
	* syscalls.cc (_lseek): Return EINVAL on invalid input

Wed Feb 14 14:54:40 2001 Christophe Iasci <chrisiasci@aol.com>

	* dlfcn.cc (dlopen): Do not call LoadLibrary with a NULL pointer, when
	the library is not found

2001-02-14  Egor Duda  <deo@logos-m.ru>
  
	* fhandler_console.cc (fhandler_console::char_command): Ignore unknown
	rendition codes in \033[xx;yym control sequences

Fri Feb  9 23:19:01 2001  Christopher Faylor <cgf@cygnus.com>

	* fork.cc (fork_parent): Return EAGAIN when can't record pid.
	* pinfo.h (pinfo::remember): Return value of call to proc_subproc.
	* sigproc.cc (proc_subproc): Return error if can't record pid.

Fri Feb  9 12:17:27 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (mknod): Add valid parameters.

Thu Feb  8 22:09:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Check for reusing a mapping only on MAP_SHARED
	and on MAP_PRIVATE|MAP_ANON in the special case of offset 0.

Thu Feb  8 21:57:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (class list): Add member `hash'.
	(list::list): Initialize `hash'.
	(list::get_list_by_fd): Use filepath hash value to get the correct
	mapping list if it's not an anonymous mapping.
	(map::add_list): Initialize `hash' with filepath hash value.
	(mmap): Check for reusing a mapping only on MAP_SHARED.

Wed Feb  7 18:47:36 2001  Christopher Faylor <cgf@cygnus.com>

	* signal.cc (killpg): Correct first argument.

Wed Feb  7 22:22:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* autoload.cc: Add LoadDLLinitfunc for iphlpapi.dll.
	Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
	* fhandler_socket.cc (fhandler_socket::ioctl): Move variable
	definitions to the beginning of the function to allow better debugging.
	Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
	* net.cc: Include iphlpapi.h.
	(get_2k_ifconf): Rewritten. Uses IP Helper API now.
	(get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
	and SIOCGIFMTU.
	(get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
	(get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
	Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
	Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
	on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
	* include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
	and SIOCGIFMTU.
	* include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
	(struct ifreq): Add `ifru_hwaddr'.

Tue Feb  6 15:04:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* syscalls.cc (stat_worker): Add a check for the special case when
	a process creates a file using mode 000 using ntsec.

Mon Feb  5 17:00:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Always add GENERIC_READ access
	when opening raw disk devices.
	* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Implement bytewise
	access.
	* fhandler_raw.cc (fhandler_dev_raw::open): Always open raw disk device
	binary.
	(fhandler_dev_raw::raw_write): Don't drop read buffer content when
	writing after read.

Mon Feb  5 13:30:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap_record::fixup_map): New method to duplicate
	the memory protection in a just forked child.
	(mmap): Realign gran_len to page boundary only on anonymous
	mapping before saving in the mmap_record.
	(munmap): Cleanup code.
	(msync): Ditto.
	(fixup_mmaps_after_fork): Ditto. Call mmap_record::fixup_map now.

Thu Feb  1 23:08:29 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (creturn): Correctly calculate cygheap_max.

Wed Jan 31 10:04:58 2001  Christopher Faylor <cgf@cygnus.com>

	* shared.cc (shared_info::initialize): Reduce size of heap.

Wed Jan 31 13:22:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* include/sys/resource.h: Fix typo.

Wed Jan 31 13:20:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* include/sys/resource.h: Add RLIMIT_NLIMITS and RLIM_NLIMITS.

Tue Jan 30 18:15:23 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump version to 1.3.0.

Tue Jan 30  8:55:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* pinfo.cc (pinfo::init): Use INVALID_HANDLE_VALUE instead of
	explicit cast (HANDLE) 0xffffffff.
	* shared.cc (open_shared): Ditto.

Mon Jan 29 17:15:22 2001  Bill Hegardt <bill@troyxcd.com>

	* fhandler_serial.cc (raw_write): Use local copy of OVERLAPPED
	structure instead of shared structure to fix a race condition between
	read/write.

Mon Jan 29 14:30:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Remove obsolete check for MAP_SHARED|MAP_ANON as
	being invalid.

Mon Jan 29 10:23:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap_record::find_empty): Fix loop condition.

Sun Jan 28 19:40:40 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_link): Make sure that newpath does not exist.  Set
	errno if it does.

Sun Jan 28 19:29:08 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (init_cheap): Don't specify a load address for the heap.
	It doesn't work on #!*& Windows 9x.
	(cygheap_init): Move GetUserName to memory_init.
	* dcrt0.cc (dll_crt0_1): Call new memory_init functin, eliminate call
	to heap_init.
	* heap.cc (heap_init): Improve error output.
	* heap.h: Correct some declarations.
	* shared.cc (mount_table_init): Remove.
	(memory_init): Renamed from shared_init.  Reorganize to accomodate
	strange Windows 9x problems with cygheap/heap interaction.
	* shared_info.h: Rename shared_init to memory_init.

Sun Jan 28 01:25:33 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump API version.

Sun Jan 28 01:18:22 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (init_cheap): Move username initialization.
	(cygheap_init): Here.
	* shared_info.h (mount_info): Add a sys_mount_table_counter field.
	(shared_info): Ditto.
	* path.cc (mount_info::conv_to_win32_path): Check that our mount table
	is in sync with the system mount table and reinitialize it if not.
	(mount_info::add_reg_mount): Bump sys_mount_table counters if the
	system mount table changes.
	(mount_info::del_reg_mount): Ditto.
	(mount_info::write_cygdrive_info_to_registry): Ditto.
	(mount_info::remove_cygdrive_info_from_registry): Ditto.

Sun Jan 28 00:28:30 2001  Christopher Faylor <cgf@cygnus.com>

	Throughout, change 'cygwin_shared.mount' to 'mount_table'.
	* child_info.h (child_info): Move shared_h, console_h to cygheap.  Add
	mount_h.
	* cygheap.h (init_cygheap): Add shared_h, console_h.
	* cygheap.cc (init_cheap): Initialize heap at a fixed location after
	the shared memory regions.  Initialize cygheap->user name here.
	* dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants.
	Remove cygheap_init since it is done in shared_init now.
	(_dll_crt0): Initialize mount_h, remove shared_h and console_h
	initialization.
	* fhandler_console.cc (console_shared_h): Eliminate.
	(get_tty_stuff): Use cygheap->console_h rather than console_shared_h.
	* heap.cc (heap_init): Use page size constant calculated earlier in
	initialization.
	* shared.cc: Eliminate cygwin_shared_h.  Add cygwin_mount_h.
	(mount_table_init): New function for initializing a user mount table.
	(open_shared_file_map): Use constant for shared memory region.
	Initialize cygheap and mount table here.
	(open_shared): Improve debugging output.
	(shared_info::initialize): Eliminate call to mount.init.
	(shared_terminate): Use cygheap->shared_h.  Close cygwin_mount_h.
	(open_shared_file_map): Eliminate.
	* shared_info.h (mount_info): Add a version field.
	(shared_align_past): New macro for calculating location for shared
	memory regions.
	* sigproc.cc (init_child_info): Eliminate shared_h, console_h.
	* spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different
	user.
	* syscalls.cc (system_info): New global holding system memory defaults.
	(getpagesize): Use system_info.
	* uinfo.cc (internal_getlogin): Only fill in user name if nonexistent.
	* winsup.h: Declare system_info.

	* passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than
	retrieving the name again.

Sat Jan 27 10:18:02 2001  Christopher Faylor <cgf@cygnus.com>

	* path.cc (path_conv::check): Detect when path has symlinks.
	(symlink_info::check): Remove debugging stuff.
	(chdir): Use posix'ized win32 path if cd'ed to a path using symlinks.

Fri Jan 26 21:20:28 2001  Christopher Faylor <cgf@cygnus.com>

	* exceptions.cc (sigreturn): Call any pending signals prior to
	resetting the signal mask so that stacked signals behave correctly.
	(sigdelayed): Avoid a race where a signal could end up calling an
	incorrect signal handler if two signals come in close together.

Tue Jan 23 21:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (fhandler_disk_file::mmap): Call CreateFileMapping with
	len != 0 only when performing an anonymous mapping.

Mon Jan 22 15:35:28 2001  Christopher Faylor <cgf@cygnus.com>

	* path.h: Add a new constant.
	* syscalls.cc (_read): Oscillate errno check.

Mon Jan 22 15:27:12 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump API to reflect setlogmask.

Sun Jan 21 22:40:25 2001  Jason Tishler <jt@dothill.com>

	* cygwin.din: Add export for setlogmask().
	* syslog.cc (setlogmask): New function.

Thu Jan 18 10:27:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* resource.cc (setrlimit): Support RLIMIT_NOFILE.

Wed Jan 17 23:23:12 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (setdtablesize): Call with amount to increment not total
	amount.  Return success or failure error code.

Wed Jan 17 09:47:13 2001  Christopher Faylor <cgf@cygnus.com>

	* autoload.cc (LoadDLLinitfunc): Remove debugging statement.

	* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to
	earlier in interrupt.
	((interrupt_setup): i.e., here.
	(sig_handle): Don't queue multiple SIGSTOPS.
	* fhandler.h (bg_check_types): Enumerate return value of bg_check for
	clarity.
	* signal.cc (kill_pgrp): Minor cleanup.
	* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type
	for function return.  Don't raise signal if a signal is already queued.
	* fhandler_console.cc (fhandler_console::read): Use enumerated return
	type for bg_check.
	* select.cc: Ditto, throughout.
	* read.cc: Ditto, throughout.
	* termios.cc: Ditto, throughout.
	(_read): YA interrupt detect simplification.
	* wait.cc (wait4): Ditto.

Wed Jan 17 10:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* cygheap.cc (cygheap_user::~cygheap_user): Temporarily
	disable free'ing memory.

Tue Jan 16 18:01:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Initialize fh to avoid compiler warnings.

Mon Jan 15 21:07:00 2001  Christopher Faylor <cgf@cygnus.com>

	* wait.cc (wait4): Rename variable for consistency.  Allow restartable
	signal behavior.

Mon Jan 15 23:15:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Add more parameter checking. Change error output
	in case of EINVAL. Treat mmapping /dev/zero like MAP_ANONYMOUS.

Mon Jan 15 20:34:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc: include <unistd.h>. Define some bit operations for
	the new page map.
	(mmap_record): Change type of base_address_ to caddr_t.
	Add map_map_ member. Add several methods to manipulate map_map_.
	(mmap_record::alloc_map): New method.
	(mmap_record::free_map): Ditto.
	(mmap_record::find_empty): Ditto.
	(mmap_record::map_map): Ditto.
	(mmap_record::unmap_map): Ditto.
	(list::add_record): Change return type to `mmap_record *'.
	Allocate page map.
	(list::match): New method.
	(mmap): Partly rewritten to take care for the new page map. Add some
	parameter checking.
	(munmap): Ditto.

Mon Jan 15 13:50:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* heap.cc (heap_init): Fix extern declaration of getpagesize.
	* syscalls.cc (getpagesize): Fix another typo.

Mon Jan 15 12:48:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* syscalls.cc (getpagesize): Save pagesize in global variable to
	avoid calling GetSystemInfo too often.
	* heap.cc (getpagesize): Eliminate.
	(heap_init): Use getpagesize function from syscalls.cc.

Mon Jan 15 11:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* sysconf.cc (sysconf): return `getpagesize ()' on _SC_PAGESIZE
	request to avoid implementing the same twice.

Sun Jan 14 14:07:50 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_read): Use more lightweight method for determining if
	read has been interrupted by a signal.

Fri Jan 12 00:35:15 2001  Christopher Faylor <cgf@cygnus.com>

	* debug.h: Add regparm attributes to some functions.

	* signal.cc (sigaction): Don't treat SIGCONT specially.

	* exceptions.cc (interrupt_setup): Save sa_flags of interrupted signal
	for later use.
	(sig_handler): Default any stopping signal to SIGSTOP.
	(call_signal_handler): New function.
	(sigdelayed0): New function.
	* sigproc.cc (sigproc_init): Initialize SIGSTOP sigaction for special
	behavior.
	* sigproc.h: Define call_signal_handler.
	* syscalls.cc (_read): Allow restartable signal behavior.

Thu Jan 11 13:17:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.h (fhandler_base): New method `fixup_mmap_after_fork'.
	(fhandler_disk_file: Ditto.
	(fhandler_dev_mem): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::open): Set OBJ_INHERIT attribute
	for device\physicalmemory handle.
	(fhandler_dev_mem::mmap): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork): New
	method.
	* mmap.cc (mmap_record): Add private `fdesc_' member.  Change
	constructor accordingly.
	(get_fd): New method.
	(mmap): Use new mmap_record constructor.
	(fhandler_base::fixup_mmap_after_fork): New method.
	(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
	(fixup_mmaps_after_fork): Call `fixup_mmap_after_fork' of appropriate
	fhandler class.

Wed Jan 10 22:08:30 2001  Kazuhiro Fujieda  <fujieda@jaist.ac.jp>

	* sigproc.cc (wait_sig): Allow SIGCONT when stopped.

Tue Jan  9 16:55:00 2001  Corinna Vinschen <corinna@vinschen.de>