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* win32: make /dev/urandom more randomRon Yorston2018-02-231-0/+2
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* win32: handle /dev/zero and /dev/urandom in open and read functionsRon Yorston2018-02-221-0/+5
| | | | | | | | | | | | | | | | | | | | | | | Currently /dev/zero is handled as a special case in dd. Add hacks to the open and read functions in mingw.c to handle the zero and urandom devices. - Opening /dev/zero or /dev/urandom actually opens the special Windows file 'nul' which behaves like /dev/null. This allows manipulation of the file descriptor with things like seek and close - When /dev/zero or /dev/urandom is opened the resulting file descriptor is stored and used to override the behaviour of read. - No attempt is made to track duplicated file descriptors, so using these devices for redirections in the shell isn't going to work and won't be permitted. (Could be, but won't.) - Limited control of the special file descriptors is provided by allowing the internal variables to be changed. - The numbers from /dev/urandom aren't very random.
* win32: import fsync(2) implementation from gnulibRon Yorston2018-02-211-1/+1
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* win32: always use safe API calls to manipulate environmentRon Yorston2018-02-131-6/+0
| | | | | | | | | | | It turns out that with the new toolchain safe API calls work on all all platforms. Even the original code from commit fa147bd7e works on Windows XP when built with the new tools. - Remove the unsafe environment manipulation via the environ array - Microsoft's putenv takes a copy of its argument so the string can be freed - Rewrite some routines and add more error checking
* ps: add support for CPU and elapsed time columnsRon Yorston2017-09-011-0/+7
| | | | | | | | It may be necessary to run ps as administrator to get information about processes belonging to other users. The code to detect GetTickCount64 at run-time was imported from Git for Windows.
* win32: shrink code to detect .exe filesRon Yorston2017-08-301-0/+1
| | | | | | | | Add a function (has_exe_suffix) to replace explicit code to check if a filename ends with '.exe. or '.com'. Also shrink code that checks for '.exe' or '.com' on PATH in shell's find_command function.
* win32: make vfork fail at compile-timeRon Yorston2017-08-301-7/+1
| | | | | | | | | | | | Nothing in busybox-w32 uses fork. Remove the implementations of fork, vfork and xvfork so that, for example, enabling cpio pass-through causes an error at compile-time, not run-time. MinGW-w64 defines pid_t, so we don't have to. Ensure code containing xvfork in netcat is disabled when NC_EXTRA is disabled. Otherwise removing the implementation of vfork costs 64 bytes.
* mingw: accommodate for BusyBox' assumptions about isatty()Johannes Schindelin2017-08-241-0/+2
| | | | | | | | | | | | | | | On Windows, isatty(fd) determines whether the file descriptor refers to a character device. The thing is: even NUL or a printer is a character device. BusyBox thinks, however, that isatty() only returns non-zero for an interactive terminal. So let's shadow isatty() by a version that answers the question BusyBox wants to have answered. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Ron Yorston <rmy@pobox.com>
* win32: remove implementation of mempcpyRon Yorston2017-08-231-5/+0
| | | | | mingw-w64 has its own mempcpy. And even if it didn't upstream BusyBox has one too. So we definitely don't need our own.
* include/mingw.h: remove unnecessary definition of PRIuMAXRon Yorston2017-08-231-1/+0
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* win32/mingw: fix signatures of the *execv*() family of functionsJohannes Schindelin2017-08-231-4/+4
| | | | | | | | | | The function signatures were inherited from Git's source code, but are inconsistent with the declarations in the POSIX standard. This requires quite a few changes in quite a few callers, unfortunately. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Ron Yorston <rmy@pobox.com>
* win32: remove unused functionsRon Yorston2017-08-231-2/+0
| | | | | The functions copy_environ and free_environ became unused following commit ac181bf54 "win32: simplify spawning applets".
* inode_hash: avoid warnings about unused parametersRon Yorston2017-08-231-0/+1
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* find_mount_point: avoid warning about unused parameterRon Yorston2017-08-231-0/+2
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* Post-merge fixesRon Yorston2017-08-221-0/+1
| | | | | - Update default configurations. - Changes required for rpm2cpio to compile
* ash: fixes to wait statusRon Yorston2017-08-031-3/+3
| | | | | Replace W* macros with versions from GNU C library. Change wait status values to match.
* Post-merge fixesRon Yorston2017-07-241-1/+2
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* Provide vfprintf replacementRon Yorston2017-02-071-0/+1
| | | | | vfprintf is used in ash_vmsg. It should be passed through the codepage conversion in winansi.c.
* win32: implement nanosleep and enable float sleep by defaultRon Yorston2017-01-181-0/+2
| | | | Don't expect sleeping for fractions of a second to be very accurate.
* win32: return an error when lseek is applied to a pipeRon Yorston2016-05-241-3/+4
| | | | | | | | | | | tail failed to process input from a pipe correctly: $ echo -n 54321 | tail -c 3 543 It was trying to use lseek as an optimisation but WIN32 lseek doesn't return an error whan applied to a pipe. Fix this by providing a wrapper for lseek.
* ash: fix use of pid/handle in waitpid_childRon Yorston2016-05-181-0/+1
| | | | | | | | | | Previously spawn was returning a process handle which was treated as a pid in certain circumstances. This resulted in the following failing: find . -type f | sed xargs -n 1 sed -n '1 p' It should output the first line of each file but stopped after the first.
* win32: adjustments to spawn functionsRon Yorston2016-05-181-2/+0
| | | | | | | | Make mingw_spawn_applet and mingw_spawn_1 static. The return value from spawnve is an exit code in synchronous mode and a process handle in asynchronous mode. Pass these upwards without interpretation.
* winansi: revert to previous console behaviour for vi/lessRon Yorston2016-04-261-0/+1
| | | | | | | | | | | | Recent changes to make the Windows console behave more like a *nix terminal didn't work too well for vi/less. On *nix the terminal buffer can't be scrolled while such screen-based applications are running. In the Windows console this remained possible and led to confusion. Add a new routine to allow vi/less to revert to their previous behaviour where the cursor is positioned at the top of the buffer and the entire buffer is cleared.
* lineedit: move console viewport to cursor on keypressRon Yorston2016-04-261-0/+1
| | | | | | When a normal *nix terminal has been scrolled back through its buffer, any keypress will return to the cursor position. Add code to lineedit.c to do the same for the Windows console.
* mingw: post-merge build fixesRon Yorston2016-04-041-0/+1
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* Silence a couple of compiler warningsRon Yorston2016-03-061-1/+1
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* libbb: additional support for backslashes in pathsRon Yorston2015-11-131-1/+1
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* win32: append '/' to bare drive name in opendirRon Yorston2015-09-301-0/+6
| | | | Make 'ls c:' and 'ls c:/*' do the right thing.
* win32: remove setitimer implementation and SIGALRM handlingRon Yorston2015-07-261-9/+1
| | | | | | | Commit 69f49ea imported a setitimer implementation from git. Since setitimer isn't used at all in BusyBox it can be removed. The same technique could be used to implement alarm but nothing in the WIN32 port uses that (yet).
* mingw: enable support for IPv6Ron Yorston2015-07-151-0/+1
| | | | Import inet_pton from gnulib and enable IPv6 support by default.
* win32: silence some compiler warningsRon Yorston2015-07-151-0/+5
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* Allow different ways to manipulate environment for XP vs 64-bitRon Yorston2015-07-031-0/+8
| | | | | | | | | | | Commit fa147bd 'Use putenv to implement unsetenv/clearenv' allowed BusyBox to run on ReactOS but broke it on Windows XP so it was reverted. It turns out that the same change is required on 64-bit Windows. Reinstate the 'safe' environment manipulation code but make it a configuration option. Add a config file for 64-bit Windows that does the right thing.
* mingw: fixes to implementation of waitpid(2)Ron Yorston2015-05-291-1/+1
| | | | | The third argument should be int. We only support positive pid values.
* mingw: tidy up implementation of kill(2)Ron Yorston2015-05-291-0/+2
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* mingw: add routine to pipe a file descriptor to/from a commandRon Yorston2015-05-271-0/+1
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* mingw: define a macro for spawnRon Yorston2015-05-271-1/+2
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* mingw: provide fake getgroups and getgrouplistRon Yorston2015-05-181-1/+2
| | | | | This makes it possible to enable the id and groups applets, though the results they return are worthless.
* mingw: implement getpwnam (but only for current user)Ron Yorston2015-05-181-1/+1
| | | | This allows the shell to expand ~user.
* mingw: additional networking supportRon Yorston2015-04-221-2/+13
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* mingw: changes to handling of directory permissionsRon Yorston2015-03-251-0/+5
| | | | | | | | | The read-only attribute on a directory in Microsoft Windows is quite different from write permission in POSIX. Modify rmdir(2) and chmod(2) to provide more POSIX-like behaviour: rmdir will remove a directory even if it's read-only chmod won't make a directory read-only
* Post-merge fixesRon Yorston2015-03-141-0/+1
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* Enable logname in mingw32 configurationRon Yorston2015-02-271-0/+1
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* Make uid/gid handling more consistentRon Yorston2015-02-261-6/+10
| | | | | | | | Various fake POSIX routines returned different values for uid/gid: getuid/getgid used 1, stat used 0 and getpwuid used 1000. Standardise on 1000. Also, add fake getgrgid.
* Fix error: conflicting types for ‘pid_t’ with mingw64Tony Kelman2015-01-221-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | Using x86_64-w64-mingw32-gcc cross-compiler for win64 gives an error: ``` In file included from include/libbb.h:163:0, from include/busybox.h:8, from applets/applets.c:9: include/mingw.h:10:13: error: conflicting types for ‘pid_t’ typedef int pid_t; ^ In file included from /usr/share/mingw-w64/include/process.h:12:0, from /usr/share/mingw-w64/include/unistd.h:11, from include/platform.h:313, from include/libbb.h:13, from include/busybox.h:8, from applets/applets.c:9: /usr/share/mingw-w64/include/sys/types.h:68:16: note: previous declaration of ‘pid_t’ was here typedef _pid_t pid_t; ^ make[1]: *** [applets/applets.o] Error 1 ``` This change fixes it and results in a successful build of 64-bit busybox.exe.
* Changes to allow building with MinGW-w64Ron Yorston2015-01-051-0/+5
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* Revert "Use putenv to implement unsetenv/clearenv"Ron Yorston2014-12-181-3/+1
| | | | This reverts commit fa147bd7ecb086f4fb9a4afea16b946693a822ce.
* Remove declaration of getpagesizeRon Yorston2014-11-291-7/+0
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* Use putenv to implement unsetenv/clearenvRon Yorston2014-11-231-1/+3
| | | | | | | | | | noexec applets failed on ReactOS 0.3.17. This was because the environment was being manipulated directly using the environ pointer. Implementing unsetenv and clearenv using putenv fixes the problem. WIN32 putenv doesn't allow environment variables to have empty values. This was the case before and it's still the case after this change. Shell variables are fine.
* MinGW: rename execable -> executableRon Yorston2014-05-061-1/+1
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* Provide fake getpwent_r to reduce changes from upstreamRon Yorston2014-03-231-0/+3
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