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* Cygwin: don't move cursor on NUL char at allCorinna Vinschen2020-02-211-2/+3
| | | | | | | Add a comment instead to explain that this behaviour contradicts the terminfo entry. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: fhandler_console.cc: fix minor style issuesCorinna Vinschen2020-02-201-3/+3
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: console: ignore NUL byte on write in xterm emulation mode as wellCorinna Vinschen2020-02-201-1/+3
| | | | | | | | | | | | | A NUL byte in the output stream got accidentally not handled as IGN char in xterm console mode. The internal mbtowc conversion doesn't handle embedded NUL values gracefully, it always stops converting at NUL bytes. This broke the output of strings with embedded NUL bytes. Fix this by always skipping IGN chars in the "normal char output loop" and make sure not to move the cursor one position to the right, as in legacy console mode. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* newlib/libc/include/devctl.h: Add extern "C" wrapperJoel Sherrill2020-02-201-0/+8
| | | | Adding this was necessary to allow posix_devctl() from C++.
* Bump DLL version to 3.1.5Corinna Vinschen2020-02-191-1/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: console: Add guard for set/unset xterm compatible mode.cygwin-3_1_4-releaseTakashi Yano2020-02-184-58/+103
| | | | | - Setting / unsetting xterm compatible mode may cause race issue between multiple processes. This patch adds guard for that.
* Cygwin: console: Fix ioctl() FIONREAD.Takashi Yano2020-02-181-4/+33
| | | | | | - ioctl() FIONREAD for console does not return correct value since commit cfb517f39a8bcf2d995a732d250563917600408a. This patch fixes the issue.
* Cygwin: add @cjksingle to release docsCorinna Vinschen2020-02-182-0/+12
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: describe new locale modifier @cjksingle for user guideThomas Wolff2020-02-181-0/+11
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* Locale modifier "@cjksingle" to enforce single-width CJK width.Thomas Wolff2020-02-182-4/+17
| | | | | | This option follows a proposal in the Terminals Working Group Specifications (https://gitlab.freedesktop.org/terminal-wg/specifications/issues/9#note_406682). It makes locale width consistent with the corresponding mintty feature.
* Cygwin: rename NSIG to _NSIG, change visibility of NSIG to MISCCorinna Vinschen2020-02-187-29/+37
| | | | | | | | | | | NSIG is a deprecated symbol only visible under MISC visibility. _NSIG is used widely instead, and on most systems NSIG is defined in terms of _NSIG. Follow suit: Change NSIG to _NSIG throughout and change visiblity of NSIG to be defined only in __MISC_VISIBLE case. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: move 3.1.3 to 3.1.4 release documentCorinna Vinschen2020-02-182-33/+34
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: console: Fix code for restoring console mode.Takashi Yano2020-02-171-1/+1
| | | | | | - Commit 774b8996d1f3e535e8267be4eb8e751d756c2cec has a bug that restores console output mode into console input. This patch fixes the issue.
* Cygwin: Bump DLL version to 3.1.4Corinna Vinschen2020-02-171-1/+1
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: console: Change timing of set/unset xterm compatible mode.cygwin-3_1_3-releaseTakashi Yano2020-02-173-67/+89
| | | | | | | | | | | | | - If two cygwin programs are executed simultaneousley with pipes in cmd.exe, xterm compatible mode is accidentally disabled by the process which ends first. After that, escape sequences are not handled correctly in the other app. This is the problem 2 reported in https://cygwin.com/ml/cygwin/2020-02/msg00116.html. This patch fixes the issue. This patch also fixes the problem 3. For these issues, the timing of setting and unsetting xterm compatible mode is changed. For read, xterm compatible mode is enabled only within read() or select() functions. For write, it is enabled every time write() is called, and restored on close().
* pow: fix pow(-1.0, NaN)Nicolas Brunie2020-02-141-1/+1
| | | | | | | I think I may have encountered a bug in the implementation of pow: pow(-1.0, NaN) returns 1.0 when it should return NaN. Because ix is used to check input vs 1.0 rather than hx, -1.0 is mistaken for 1.0
* Cygwin: pty: Add error handling in setup_pseudoconsole().Takashi Yano2020-02-111-68/+111
| | | | | - In setup_pseudoconsole(), many error handling was omitted. This patch adds missing error handling.
* Only pass the minimum number of syscall argumentsGeorg Sauthoff2020-02-1118-29/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | Previously, __internal_syscall() compiled into asm-code that unconditionally sets the syscall argument registers a0 to a5. For example, the instruction sequence for a exit syscall looked like this: li a0, 1 # in ther caller of exit() # ... # in newlib: li a1, 0 # unused arguments li a2, 0 li a3, 0 li a4, 0 li a5, 0 li a7, 93 # exit syscall number (i.e. the binary contains then 5 superfluous instructions for this one argument syscall) This commit changes the RISC-V syscall code such that only the required syscall argument registers are set. GCC detects that argc is known at compile time and thus evaluates all the if-statements where argc is used at compile time (tested with -O2 and -Os).
* Cygwin: pty: Prevent potential errno overwriting.Takashi Yano2020-02-101-0/+3
| | | | | | | - In push_to_pcon_screenbuffer(), open() and ioctl() are called. Since push_to_pcon_screenbuffer() is called in read() and write(), errno which is set in read() and write() code may be overwritten in open() or ioctl() call. This patch prevent this situation.
* Cygwin: pty: Fix state mismatch caused in mintty.Takashi Yano2020-02-102-2/+16
| | | | | | | - PTY has a bug reported in: https://cygwin.com/ml/cygwin/2020-02/msg00067.html. This is the result of state mismatch between real pseudo console attaching state and state variable. This patch fixes the issue.
* Cygwin: pty: Inherit typeahead data between two input pipes.Takashi Yano2020-02-105-91/+329
| | | | | | | | | | | - PTY has a problem that the key input, which is typed during windows native app is running, disappear when it returns to shell. (Problem 3 in https://cygwin.com/ml/cygwin/2020-02/msg00007.html) This is beacuse pty has two input pipes, one is for cygwin apps and the other one is for native windows apps. The key input during windows native program is running is sent to the second input pipe while cygwin shell reads input from the first input pipe. This patch realize transfering input data between these two pipes.
* Cygwin: pty: Add missing member initialization for struct pipe_reply.Takashi Yano2020-02-101-1/+1
| | | | | - For pseudo console support, struct pipe_reply was changed in the past, however, the initialization was not fixed.
* Cygwin: pty: Remove debug codes and organize related codes.Takashi Yano2020-02-102-81/+23
| | | | | | - Debug codes used in the early stage of pseudo console support are removed. (Regarding ALWAYS_USE_PCON and USE_API_HOOK) Along with this, the codes related to this change are organized.
* Cygwin: pty: Avoid screen distortion on slave read.Takashi Yano2020-02-102-22/+32
| | | | | | - Echo back print is distorted when the cygwin program which calls Win32 console API directly calls slave read(). This patch fixes the issue.
* Cygwin: pty: Define mask_switch_to_pcon_in() in fhandler_tty.cc.Takashi Yano2020-02-102-8/+11
| | | | | - This patch moves the definition of mask_switch_to_pcon() from fhandler.h to fhandler_tty.cc.
* Cygwin: pty: Use pinfo() rather than kill() with signal 0.Takashi Yano2020-02-062-6/+6
| | | | | | | | | - PTY code has a problem that tcsh is terminated if the following command is executed. true; chcp & This seems to be caused by invalid pointer access which occurs when the process exits during the kill() code is execuetd. This patch avoids the issue by not using kill().
* Typo in license for newlib/libc/stdio/flags.cKeith Packard2020-02-061-1/+1
| | | | | | | | Fix spelling: MERCHANT I BILITY -> MERCHANT A BILITY Signed-off-by: Keith Packard <keithp@keithp.com>
* Typo in license terms for newlib/libm/common/log2.cKeith Packard2020-02-061-1/+1
| | | | | | The closing quotes were in the wrong place Signed-off-by: Keith Packard <keithp@keithp.com>
* libgloss: Fix lseek semihosting bug on nios2 and m68kSandra Loosemore2020-02-062-2/+2
| | | | | | | | When off_t is 32 bits, the value needs to be sign-extended to 64 bits before shifting right to extract the high-order word. Previously negative offsets were incorrectly encoded. Signed-off-by: Sandra Loosemore <sandra@codesourcery.com>
* Cygwin: pty: Remove meaningless pointer increment.Takashi Yano2020-02-041-1/+1
| | | | | - Since commit 73742508fcd8e994450582c1b7296c709da66764, a pointer increment in master write code which has no effect was remaining.
* Cygwin: console: Revise color setting codes in legacy console mode.Takashi Yano2020-02-042-21/+28
| | | | | | - With this patch, foreground color and background color are allowed to be set simultaneously by 24 bit color escape sequence such as ESC[38;2;0;0;255;48;2;128;128;0m in legacy console mode.
* Cygwin: fhandler_fifo.cc: add commentaryKen Brown2020-02-011-0/+29
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* Cygwin: fstat_helper: always use handle in call to get_file_attributeKen Brown2020-01-311-3/+4
| | | | | | | | | When fhandler_base::fstat_helper is called, the handle h returned by get_stat_handle() should be pc.handle() and should be safe to use for getting the file information. Previously, the call to get_file_attribute() for FIFOs set the first argument to NULL instead of h, thereby forcing the file to be opened for fetching the security descriptor in get_file_sd().
* RISC-V: Use newlib nano specific libm.Jim Wilson2020-01-311-1/+1
| | | | | | | | | | | The libm gamma functions use the _gamma_signgam field of the reentrant structure, which changes offset with the --enable-newlib-reent-small configure option, which means we need to use a newlib nano specific version of libm in addition to libc in the nano.specs file. Reported by Keith Packard. There is a riscv-gnu-toolchain patch that goes along with this to create the new libm_nano.a file. Signed-off-by: Jim Wilson <jimw@sifive.com>
* Cygwin: document recent changesKen Brown2020-01-302-0/+8
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* Cygwin: AF_LOCAL: fix fcntl and dup if O_PATH is setKen Brown2020-01-302-0/+17
| | | | | | | | | | | | Make fhandler_socket_local::dup and fhandler_socket_local::fcntl (a new method) call fhandler_base::dup and fhandler_base::fcntl if O_PATH is set. We're viewing the socket as a disk file here, but there's no need to implement the actions of fhandler_disk_file::dup and fhandler_disk_file::fcntl, which do nothing useful in this case beyond what the fhandler_base methods do. (The extra actions are only useful when I/O is going to be done on the file.)
* Cygwin: AF_LOCAL::fstatvfs: use our handle if O_PATH is setKen Brown2020-01-301-0/+7
| | | | | | | | If O_PATH is set, then the fhandler_socket_local object has a handle that can be used for getting the statvfs information. Use it by calling fhandler_base::fstatvfs_by_handle. Without this change, fhandler_disk_file::fstatfvs would be called on a new fhandler_disk object, which would then have to be opened.
* Cygwin: AF_LOCAL: set appropriate errno on system callsKen Brown2020-01-301-4/+15
| | | | | | | | | | | | | | | | | | | If an AF_LOCAL socket is opened with O_PATH, all socket system calls that take a file descriptor argument fail on the resulting descriptor. Make sure that errno is set as on Linux for those calls that are implemented on Linux. In almost all cases it is ENOTSOCK. There are two exceptions: - sockatatmark(3); errno is EBADF. - bindresvport(3); errno is EAFNOSUPPORT if the second argument sin (of type struct sockaddr_in *) is non-NULL and satisfies sin->sin_family == AF_INET. Finally, there are two BSD socket system calls implemented on Cygwin but not Linux: getpeereid(3) and bindresvport_sa(3). Set errno to ENOTSOCK for these for consistency with the majority of the other calls.
* Cygwin: AF_LOCAL: allow opening with the O_PATH flagKen Brown2020-01-302-0/+22
| | | | | | | | | | | | If that flag is not set, or if an attempt is made to open a different type of socket, the errno is now EOPNOTSUPP instead of ENXIO. This is consistent with POSIX, starting with the 2016 edition. Earlier editions were silent on this issue. Opening is done in a (new) fhandler_socket_local::open method by calling fhandler_base::open_fs. Also add a corresponding fhandler_socket_local::close method.
* Use remove-advertising-clause script to edit BSD licensesKeith Packard2020-01-29300-1034/+307
| | | | | | | This edits licenses held by Berkeley and NetBSD, both of which have removed the advertising requirement from their licenses. Signed-off-by: Keith Packard <keithp@keithp.com>
* Revert "newlib: fix fseek optimization with SEEK_CUR"Corinna Vinschen2020-01-292-12/+50
| | | | | | | | | | | This reverts commit 59362c80e3a02c011fd0ef3d7f07a20098d2a9d5. This breaks gnulib's autoconf test for POSIX compatibility of fflush/fseek. After fflush/fseek, ftello and lseek are out of sync, with lseek having the wrong offset. This breaks backward compatibility with Cygwin applications. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: stat: fix st_mode of fifosCorinna Vinschen2020-01-291-2/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: remove CYGWIN=dos_file_warning optionCorinna Vinschen2020-01-289-49/+14
| | | | | | | This option has been disabled long ago and nobody missed it. Removing drops a bit of unneeded code Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: FIFO: fstatvfs: use our handle if O_PATH is setKen Brown2020-01-281-0/+8
| | | | | | | | If O_PATH is set, then the fhandler_fifo object has a handle that can be used for getting the statvfs information. Use it by calling fhandler_base::fstatvfs_by_handle. Before this change, fhandler_disk_file::fstatfvs was called on a new fhandler_disk_file object, which would then have to be opened.
* Cygwin: fhandler_disk_file::fstatvfs: refactorKen Brown2020-01-282-6/+17
| | | | | | | | | Define a new method fhandler_base::fstatvfs_by_handle, extracted from fhandler_disk_file::fstatvfs, which gets the statvfs information when a handle is available. This will be used in future commits for special files that have been opened with O_PATH.
* Cygwin: fhandler_base::fstat_fs: accomodate the O_PATH flagKen Brown2020-01-281-1/+1
| | | | | | | | | | | | | Treat a special file opened with O_PATH the same as a regular file, i.e., use its handle to get the stat information. Before this change, fstat_fs opened the file a second time, with the wrong flags and without closing the existing handle. A side effect was to change the openflags of the file, possibly causing further system calls to fail. Currently this change only affects FIFOs, but it will affect AF_LOCAL/AF_UNIX sockets too once they support O_PATH.
* Cygwin: symlink/mknod: fix ACL handlingCorinna Vinschen2020-01-283-55/+57
| | | | | | | | | | | | | | mknod32 actually creates a path_conv, just to call mknod_worker with a win32 path. This doesn't only require to create path_conv twice, it also breaks permissions on filesystems supporting ACLs. Fix this by passing the path_conv created in the caller down to symlink_worker. Also, while at it, simplify the handling of trailing slashes and move it out of symlink_worker. Especially use the new PC_SYM_NOFOLLOW_DIR flag to avoid fiddeling with creating a new path copy without the trailing slash. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: path_conv: add PC_SYM_NOFOLLOW_DIR flagCorinna Vinschen2020-01-282-7/+21
| | | | | | | | | | | | | Usually a trailing slash requires to follow an existing symlink, even with PC_SYM_NOFOLLOW. The reason is that "foo/" is equivalent to "foo/." so the symlink is in fact not the last path component, "." is. This is default for almost all scenarios. PC_SYM_NOFOLLOW_DIR now allows the caller to request not to follow the symlink even if a trailing slash is given. This can be used in callers to perform certain functions Linux-compatible. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: add short comments to path_conv optionsCorinna Vinschen2020-01-281-12/+13
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
* Cygwin: drop __stdcall from close_all_filesCorinna Vinschen2020-01-282-2/+2
| | | | Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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