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* Add the ability to display the default FIB number for a process to thewill2013-08-262-0/+4
| | | | | | | | | | | | | | | | | | ps(1) utility, e.g. "ps -O fib". bin/ps/keyword.c: Add the "fib" keyword and default its column name to "FIB". bin/ps/ps.1: Add "fib" as a supported keyword. sys/compat/freebsd32/freebsd32.h: sys/kern/kern_proc.c: sys/sys/user.h: Add the default fib number for a process (p->p_fibnum) to the user land accessible process data of struct kinfo_proc. Submitted by: Oliver Fromme <olli@fromme.com>, gibbs
* sh: Recognize "--" as end of options in alias builtin.jilles2013-08-251-3/+5
| | | | | Aliases starting with "-" (which are non-POSIX) will need to be preceded by an alias not starting with "-" or the newly added "--".
* sh: Disallow empty simple commands.jilles2013-08-251-8/+4
| | | | | | | | | | As per POSIX, a simple command must have at least one redirection, assignment word or command word. These occured in rare cases such as eval "f()" . The extension of allowing no commands inside { }, if, while, for, etc. remains.
* sh: Reject ++ and -- in arithmetic.jilles2013-08-241-0/+4
| | | | | | | | | | POSIX does not require ++ and -- in arithmetic. It is probably more useful to reject them than to treat ++x and --x as x silently. Note that the behaviour of increment and decrement can be obtained via (x+=1), ((x+=1)-1), (x-=1) and ((x-=1)+1). PR: bin/176444
* sh: Do not prematurely discard stopped jobs in a wait builtin.jilles2013-08-241-5/+1
| | | | | | | | | | | | | If a job is specified to 'wait', wait for it to complete. Formerly, in interactive mode, the job was deleted if it stopped. If no jobs are specified in interactive mode, 'wait' still waits for all jobs to complete or stop. In non-interactive mode, WUNTRACED is not passed to wait3() so stopped jobs are not detected. PR: bin/181435
* Expand the use of stat(2) flags to allow storing some Windows/DOSken2013-08-212-3/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and CIFS file attributes as BSD stat(2) flags. This work is intended to be compatible with ZFS, the Solaris CIFS server's interaction with ZFS, somewhat compatible with MacOS X, and of course compatible with Windows. The Windows attributes that are implemented were chosen based on the attributes that ZFS already supports. The summary of the flags is as follows: UF_SYSTEM: Command line name: "system" or "usystem" ZFS name: XAT_SYSTEM, ZFS_SYSTEM Windows: FILE_ATTRIBUTE_SYSTEM This flag means that the file is used by the operating system. FreeBSD does not enforce any special handling when this flag is set. UF_SPARSE: Command line name: "sparse" or "usparse" ZFS name: XAT_SPARSE, ZFS_SPARSE Windows: FILE_ATTRIBUTE_SPARSE_FILE This flag means that the file is sparse. Although ZFS may modify this in some situations, there is not generally any special handling for this flag. UF_OFFLINE: Command line name: "offline" or "uoffline" ZFS name: XAT_OFFLINE, ZFS_OFFLINE Windows: FILE_ATTRIBUTE_OFFLINE This flag means that the file has been moved to offline storage. FreeBSD does not have any special handling for this flag. UF_REPARSE: Command line name: "reparse" or "ureparse" ZFS name: XAT_REPARSE, ZFS_REPARSE Windows: FILE_ATTRIBUTE_REPARSE_POINT This flag means that the file is a Windows reparse point. ZFS has special handling code for reparse points, but we don't currently have the other supporting infrastructure for them. UF_HIDDEN: Command line name: "hidden" or "uhidden" ZFS name: XAT_HIDDEN, ZFS_HIDDEN Windows: FILE_ATTRIBUTE_HIDDEN This flag means that the file may be excluded from a directory listing if the application honors it. FreeBSD has no special handling for this flag. The name and bit definition for UF_HIDDEN are identical to the definition in MacOS X. UF_READONLY: Command line name: "urdonly", "rdonly", "readonly" ZFS name: XAT_READONLY, ZFS_READONLY Windows: FILE_ATTRIBUTE_READONLY This flag means that the file may not written or appended, but its attributes may be changed. ZFS currently enforces this flag, but Illumos developers have discussed disabling enforcement. The behavior of this flag is different than MacOS X. MacOS X uses UF_IMMUTABLE to represent the DOS readonly permission, but that flag has a stronger meaning than the semantics of DOS readonly permissions. UF_ARCHIVE: Command line name: "uarch", "uarchive" ZFS_NAME: XAT_ARCHIVE, ZFS_ARCHIVE Windows name: FILE_ATTRIBUTE_ARCHIVE The UF_ARCHIVED flag means that the file has changed and needs to be archived. The meaning is same as the Windows FILE_ATTRIBUTE_ARCHIVE attribute, and the ZFS XAT_ARCHIVE and ZFS_ARCHIVE attribute. msdosfs and ZFS have special handling for this flag. i.e. they will set it when the file changes. sys/param.h: Bump __FreeBSD_version to 1000047 for the addition of new stat(2) flags. chflags.1: Document the new command line flag names (e.g. "system", "hidden") available to the user. ls.1: Reference chflags(1) for a list of file flags and their meanings. strtofflags.c: Implement the mapping between the new command line flag names and new stat(2) flags. chflags.2: Document all of the new stat(2) flags, and explain the intended behavior in a little more detail. Explain how they map to Windows file attributes. Different filesystems behave differently with respect to flags, so warn the application developer to take care when using them. zfs_vnops.c: Add support for getting and setting the UF_ARCHIVE, UF_READONLY, UF_SYSTEM, UF_HIDDEN, UF_REPARSE, UF_OFFLINE, and UF_SPARSE flags. All of these flags are implemented using attributes that ZFS already supports, so the on-disk format has not changed. ZFS currently doesn't allow setting the UF_REPARSE flag, and we don't really have the other infrastructure to support reparse points. msdosfs_denode.c, msdosfs_vnops.c: Add support for getting and setting UF_HIDDEN, UF_SYSTEM and UF_READONLY in MSDOSFS. It supported SF_ARCHIVED, but this has been changed to be UF_ARCHIVE, which has the same semantics as the DOS archive attribute instead of inverse semantics like SF_ARCHIVED. After discussion with Bruce Evans, change several things in the msdosfs behavior: Use UF_READONLY to indicate whether a file is writeable instead of file permissions, but don't actually enforce it. Refuse to change attributes on the root directory, because it is special in FAT filesystems, but allow most other attribute changes on directories. Don't set the archive attribute on a directory when its modification time is updated. Windows and DOS don't set the archive attribute in that scenario, so we are now bug-for-bug compatible. smbfs_node.c, smbfs_vnops.c: Add support for UF_HIDDEN, UF_SYSTEM, UF_READONLY and UF_ARCHIVE in SMBFS. This is similar to changes that Apple has made in their version of SMBFS (as of smb-583.8, posted on opensource.apple.com), but not quite the same. We map SMB_FA_READONLY to UF_READONLY, because UF_READONLY is intended to match the semantics of the DOS readonly flag. The MacOS X code maps both UF_IMMUTABLE and SF_IMMUTABLE to SMB_FA_READONLY, but the immutable flags have stronger meaning than the DOS readonly bit. stat.h: Add definitions for UF_SYSTEM, UF_SPARSE, UF_OFFLINE, UF_REPARSE, UF_ARCHIVE, UF_READONLY and UF_HIDDEN. The definition of UF_HIDDEN is the same as the MacOS X definition. Add commented-out definitions of UF_COMPRESSED and UF_TRACKED. They are defined in MacOS X (as of 10.8.2), but we do not implement them (yet). ufs_vnops.c: Add support for getting and setting UF_ARCHIVE, UF_HIDDEN, UF_OFFLINE, UF_READONLY, UF_REPARSE, UF_SPARSE, and UF_SYSTEM in UFS. Alphabetize the flags that are supported. These new flags are only stored, UFS does not take any action if the flag is set. Sponsored by: Spectra Logic Reviewed by: bde (earlier version)
* sh: Remove unnecessary reset functions.jilles2013-08-166-25/+1
| | | | These are already handled by exception handlers.
* sh: Recognize "--" as end of options in bg/fg/jobid builtins.jilles2013-08-161-6/+9
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* sh: Recognize "--" as end of options in local builtin.jilles2013-08-141-0/+1
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* sh: Allow a lone redirection before '|', ';;' or ';&'.jilles2013-08-141-0/+3
| | | | | | | Example: </dev/null | : PR: 181240 MFC after: 1 week
* Add -c flag to pgrep(1) and pkill(1), to match login classes.trasz2013-08-092-8/+42
| | | | MFC after: 1 month
* sh: Remove an incorrect comment.jilles2013-07-251-1/+1
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* sh: Remove #define MKINIT.jilles2013-07-257-11/+9
| | | | MKINIT only served for the removed mkinit. Many variables can be static now.
* sh: Remove mkinit.jilles2013-07-2514-576/+32
| | | | | | | | | | | | | | Replace the RESET blocks with regular functions and a reset() function that calls them all. This code generation tool is unusual and does not appear to provide much benefit. I do not think isolating the knowledge about which modules need to be reset is worth an almost 500-line build tool and wider scope for variables used by the reset functions. Also, relying on reset functions is often wrong: the cleanup should be done in exception handlers so that no stale state remains after 'command eval' and the like.
* sh: Remove output.c's reset() handler.jilles2013-07-251-19/+0
| | | | | These cleanup operations are not needed because they are already performed after an optimized command substitution (whether there was an error or not).
* sh: Do not read from stdin if an error occurs during -i -c cmd.jilles2013-07-121-1/+1
| | | | | | | | | | | | Although using -i with -c does not seem very useful, it seems inappropriate to read commands from the terminal in this case. Side effect: if the -s -c extension is used and the -s option is turned off using 'set +s' during the interactive part, the shell now exits after an error or interrupt. Note that POSIX only specifies -s as option to sh, not to set. See also Austin Group issue #718.
* Fix a -Wunsequenced warning.kientzle2013-06-291-1/+1
| | | | Submitted by: dt71@gmx.com
* sh: Do not close(-1) if pipe() fails.jilles2013-06-281-1/+2
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* sh(1): A subshell environment has its own rlimits (ulimit).jilles2013-06-141-1/+4
| | | | | | This has always been the case and is intended (just like cd). This matches Austin group issue #706.
* sleep: Explain in a comment why the [EINTR] check is there.jilles2013-06-051-0/+6
| | | | Suggested by: eadler
* sh(1): Document new features in wait builtin.jilles2013-06-051-4/+9
| | | | PR: 176916
* sh: Return status 127 for unknown jobs in wait builtin.jilles2013-06-051-5/+19
| | | | | | | | | | This is required by POSIX, at least for pids that are not known child processes. Other problems with job specifications still cause wait to abort with exit status 2. PR: 176916
* sh: Allow multiple operands in wait builtin.jilles2013-06-051-6/+18
| | | | | | | | This is only part of the PR; the behaviour for unknown/invalid pids/jobs remains unchanged (aborts the builtin with status 2). PR: 176916 Submitted by: Vadim Goncharov
* Add 'static' where able.eadler2013-06-021-4/+4
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* test(1): Add information about replacing -nt/-ot.jilles2013-05-311-0/+16
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* test(1): List non-standard primaries.jilles2013-05-311-1/+12
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* test: Remove -ntXY and -otXY primaries.jilles2013-05-312-215/+27
| | | | | | | | | | | | | | | This reverts commit r247274. As maintainer of sh, I disapprove of this feature addition. It is too specific and can be done without easily using find(1) or stat(1). I will add some hints to the test(1) man page shortly. In general, FreeBSD sh is not the place to invent new shell language features. This is how it has been maintained and adding features randomly does not work with that. The new syntax (e.g. [ FILE1 -ntca FILE2 ]) looks cryptic to me.
* sleep: Improve nanosleep() error handling:jilles2013-05-281-2/+3
| | | | | | | | | * Work around kernel bugs that cause a spurious [EINTR] return if a debugger (such as truss(1)) is attached. * Write an error message if an error other than [EINTR] occurs. PR: bin/178664
* Complete revision 243104.grog2013-05-171-1/+3
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* Constify parameters, no functional or binary change.delphij2013-05-151-6/+6
| | | | | Verified with: sha256(1) MFC after: 2 weeks
* mdoc sweep.joel2013-05-121-2/+2
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* sh: Remove linked list of stack marks.jilles2013-05-112-18/+3
| | | | | | | | | | | | | | | | The linked list of stack marks may cause problems if the allocation stack is used between an exception and a higher-level popstackmark(), as it may then touch a stack mark that is local to a function which has returned. Also, the adjustment compares to a pointer passed to realloc(), which is undefined behaviour. Instead of adjusting stack marks when reallocating stack blocks, ensure that such an adjustment is never necessary by fixing a small piece of memory in place at a stack mark. This also simplifies the code. To avoid the problems reported in bin/175922, it remains necessary to call setstackmark() after popstackmark() if the stack mark remains in use.
* Make dd's signal handler async safe.eadler2013-05-106-20/+22
| | | | | | | | | PR: bin/75258 Submitted by: "Oleg V. Nauman" <oleg@reis.zp.ua> Arrival Date: Sun Dec 19 14:50:21 GMT 2004 Reviewed by: mjg, jhb Reviewed by: jilles (earlier version) MFC after: 1 week
* Fix two typoseadler2013-05-091-2/+2
| | | | Reviewed by: jilles
* sh: Use O_CLOEXEC and F_DUPFD_CLOEXEC instead of separate fcntl() call.jilles2013-05-054-17/+11
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* sh: Improve error handling in read builtin:jilles2013-05-032-5/+29
| | | | | | | | | | | | * If read -t times out, return status as if interrupted by SIGALRM (formerly 1). * If a trapped signal interrupts read, return status 128+sig (formerly 1). * If [EINTR] occurs but there is no trap, retry the read (for example because of a SIGWINCH in interactive mode). * If a read error occurs, write an error message and return status 2. As before, a variable assignment error returns 2 and discards the remaining data read.
* Mark usage() __dead2eadler2013-04-281-1/+1
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* Remove cast that was only required for K&R C.eadler2013-04-281-1/+1
| | | | Reviewed by: jilles
* Add missing static qualifierseadler2013-04-271-2/+2
| | | | | Reviewed by: ed, jilles MFC After: 3 days
* sh: Don't consider jobs -s/-p as reporting the status of jobs.jilles2013-04-271-7/+9
| | | | | This ensures that something like j=$(jobs -p) does not prevent any status from being written to the terminal.
* Add two more 'static' qualifierseadler2013-04-261-2/+2
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* Take some improvements from DragonFlyBSD:eadler2013-04-261-17/+17
| | | | | | | | | | - add const where appropriate - add static where appropriate - fix a whitespace issues Reviewed by: brooks Obtained from: DragonFlyBSD MFC After: 1 week
* Add -x option to avoid crossing mount points when removing a hierarchy.eadler2013-04-262-6/+13
| | | | | | Discussed on: -hackers Inspired by: DragonflyBSD MFC After: 1 week
* Don't appease clang static analyzer after all and roll backuqs2013-04-261-1/+0
| | | | | | | | | the free(3) of mntbuf ... again. There's no point in doing useless extra work when we're about to exit. See also r240565. Not reading file history: uqs
* Literally follow POSIX:kib2013-04-231-1/+1
| | | | | | | | | | | | | If the bs= expr operand is specified and no conversions other than sync, noerror, or notrunc are requested, the data returned from each input block shall be written as a separate output block. In particular, when both bs=size and conv=sparce were specified, the resulted file was fully filled, instead of sparce. PR: standards/177742 Submitted by: Matthew Rezny <mrezny@hexaneinc.com> MFC after: 2 weeks
* - Add the __dead2 attribute since it is a function that never returnseadler2013-04-231-1/+2
| | | | | | | | - Add an empty line in usage() according to style(9) PR: bin/177076 Submitted by: Fernando <fernando.apesteguia@gmail.com> Approved by: cperciva (mentor)
* Point users towards nisdomainname and rc.conf.joel2013-04-221-6/+8
| | | | | | PR: 144630 Submitted by: Stefan Krueger <stadtkind2@gmx.de>, Fel <wtfcrap@mail.ru>
* Document a few expansions for the $PS1 and $PS2 environmental variables.joel2013-04-211-1/+25
| | | | | | PR: 173410 Submitted by: Derek Wood <ddwood@outlook.com> Reviewed by: jilles
* bin/df: Fix unitialized use in prtstatuqs2013-04-201-5/+7
| | | | | | | | | While here: - use NULL in the context of pointers - use memset instead of bzero throughout the file - free memory to appease clang static analyzer Found by: Coverity Scan (the UNINIT one)
* Update chio(1) and ch(4) to support reporting element designators.ken2013-04-191-0/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows mapping a tape drive in a changer (as reported by 'chio status') to a sa(4) driver instance by comparing the serial numbers. The designators can be ASCII (which is printed out directly), binary (which is printed in hex format) or UTF-8, which is printed in either native UTF-8 format if the terminal can support it, or in %XX notation for non-ASCII characters. Thanks to Hiroki Sato <hrs@> for the explaining UTF-8 printing and example UTF-8 printing code. chio.h: Modify the changer_element_status structure to add new fields and definitions from the SMC3r16 spec. Rename the original CHIOGSTATUS ioctl to OCHIOGTATUS and define a new CHIOGSTATUS ioctl. Clean up some tab/space issues. chio.c: For the 'status' subcommand, print the designator field if it is supplied by a device. scsi_ch.h: Add new flags for DVCID and CURDATA to the READ ELEMENT STATUS command structure. Add a read_element_status_device_id structure for the data fields in the new standard. Add new unions, dt_or_obsolete and voltage_devid, to hold and address data from either SCSI-2 or newer devices. scsi_ch.c: Implement support for fetching device IDs with READ ELEMENT STATUS data. Add new arguments to scsi_read_element_status() to allow the user to request the DVCID and CURDATA bits. This isn't compiled into libcam (it's only an internal kernel interface), so we don't need any special handling for the API change. If the user issues the new CHIOGSTATUS ioctl, copy all of the available element status data out. If he issues the OCHIOGSTATUS ioctl, we don't copy the new fields in the structure. Fix a bug in chopen() that would result in the peripheral never getting unheld if chgetparams() failed. Sponsored by: Spectra Logic Submitted by: Po-Li Soong MFC After: 1 week
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