cal: support --color[={auto,always,never}]

Similar with dmesg commit 9bc2b51a06dc9cf6244106ac489ab08a91fd4360.

CC: Pádraig Brady <P@draigBrady.com>
Reviewed-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: de-duplicate julian specific functions

The cost is a little bit more complex functions, while the benefit is
couple data flows fewer to mind about.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: remove unnecessary initializations

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: simplify calendar reformat calculations

The only September 1752 offset calculation that is necessary is whether
Sun or Mon is the first day of the week.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

tests: add calendar reformation check

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: clean up use of constants

The commit also adds few new symbolic names, such as DAYS_IN_WEEK.  While
these definitions may look a little too trivial to have I am sure they
ease understanding what is going on in code where they are used.

Reviewed-by: Thomas Bächler <thomas@archlinux.org>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: convert function like definitions to functions

Reviewed-by: Thomas Bächler <thomas@archlinux.org>
Reviewed-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cal: fix preprocessor directive indendation

And code within the blocks selected by preprocessor to be live code.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

agetty: allow full control on CLOCAL flag

Now the -L option allows to explicitly enable CLOCAL flag.

Unfortunately sometimes it's necessary to clear the flag. This patch
add optional argument =<mode> to specify 'auto', 'always' and 'never'
to control CLOCAL flag.

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=816342
Signed-off-by: Karel Zak <kzak@redhat.com>

tests: new warning fix

2.23 added -Wstrict-prototypes check. Fix make check showing
CC tests/helpers/test_md5.o
tests/helpers/test_md5.c:8: warning: function declaration isn't a prototype

Signed-off-by: Gilles Espinasse <g.esp@free.fr>

util-linux minor typo fixes

Signed-off-by: Gilles Espinasse <g.esp@free.fr>

build-sys: always check for setns() and unshare() libs functions

 $ ./configure --disable-unshare
 $ make nsenter

  CC       sys-utils/nsenter.o
In file included from sys-utils/nsenter.c:36:0:
./include/namespace.h:31:19: error: static declaration of ‘unshare’ follows non-static declaration
In file included from /usr/include/sched.h:42:0,
                 from sys-utils/nsenter.c:23:
/usr/include/bits/sched.h:86:12: note: previous declaration of ‘unshare’ was here
make: *** [sys-utils/nsenter.o] Error 1

We have to always check for the libc function independently on
--disable-{unshare,nsenter} to avoid collision between local and libc
declarations.

Reported-by: "Gabor Z. Papp" <gzp@papp.hu>
Signed-off-by: Karel Zak <kzak@redhat.com>

lscpu: add virtualization types

Signed-off-by: Karel Zak <kzak@redhat.com>

lscpu: detect more hypervisor vendors

[kzak@redhat.com: - cleanup coding style,
                  - use path_exist()]

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

cfdisk: add long options to the command

Includes update to bash completion, and manual as well.

[kzak@redhat.com: - remove <<< syntax from bash-completion script]

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Karel Zak <kzak@redhat.com>

sfdisk: don't call BLKRRPART for non-block devices

Reported-by: Bertrand Jacquin <beber@meleeweb.net>
Signed-off-by: Karel Zak <kzak@redhat.com>

uuidd: clean up error messages

Signed-off-by: Karel Zak <kzak@redhat.com>

mkfs.cramfs: use standard error message

Signed-off-by: Karel Zak <kzak@redhat.com>

hwclock: use warn() to print cmos errors

Signed-off-by: Karel Zak <kzak@redhat.com>

libmount: use err.h in test

Signed-off-by: Karel Zak <kzak@redhat.com>

chcpu: clean up error messages

Signed-off-by: Karel Zak <kzak@redhat.com>

sulogin: clean up error messages

Signed-off-by: Karel Zak <kzak@redhat.com>

libblkid: add ReFS magic string

Reported-by: "Richard W.M. Jones" <rjones@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

blkid: fix typo in ID_FS_AMBIVALEN=

Signed-off-by: Karel Zak <kzak@redhat.com>

libmount: don't ignore root fs on umount -a

The release v2.22 (the new umount) introduces a regression when root
fs is excluded from umount --all. There is not reason for this
exception. The libmount should be smart enough to disable mtab update
after rootfs umount.

Reported-by: Bruce Dubbs <bruce.dubbs@gmail.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

lib/tty: don't hardcode terminal fd in get_terminal_name()

Signed-off-by: Karel Zak <kzak@redhat.com>

standard SEE ALSO section of man pages

The standard format is to seperate each entry with a comma, and
for each one to be on a line by itself.  Most util-linux pages
follow this, but a few do not.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

lsblk: add SERIAL column

 ... to return short serial number of the disk (from udev db)

Addresses: https://github.com/karelzak/util-linux/issues/33
Signed-off-by: Karel Zak <kzak@redhat.com>

tests: add losetup tests

Signed-off-by: Karel Zak <kzak@redhat.com>

losetup: add --raw and --noheadings

Signed-off-by: Karel Zak <kzak@redhat.com>

losetup: use warn_size() for regular files only

Signed-off-by: Karel Zak <kzak@redhat.com>

lib/loopdev: fix loopcxt_check_size() to work with blkdevs

The loopcxt_check_size() is workaround for kernels < v3.9, kernel has
been fixed by commit 541c742a7559eb65f0e36d3e2338c2ca532a3e61.

The function sets loopdev size according to backing file size. The
problem is that the backing file could be a block device where
stat.st_size is zero, so we have to use blkdev_get_size() for block
devices.

Addresses: https://bugs.archlinux.org/task/35193
Reported-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

libfdisk: don't re-allocate range string in Ask API

Signed-off-by: Karel Zak <kzak@redhat.com>

libfdisk: do not use va_list in the Ask API

  # fdisk /dev/sda
  Welcome to fdisk (util-linux 2.23).

  [...]

  Command (m for help): a
  Segmentation fault (core dumped)

It's too fragile, the va_list implementation is architecture specific
and it seems we need such thing in libfdisk at all.

Reported-by: "Gabor Z. Papp" <gzp@papp.hu>
Signed-off-by: Karel Zak <kzak@redhat.com>

libmount: use MS_SILENT for /{proc,etc}/filesystems

mount(8) needs to be doing silent mounts when doing this brute
forcing or when the filesystem is not explicitly specified.

Reported-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

build-sys: use -Wno-clobbered for some BSD crap

 * extend UL_WARN_ADD() for accept non-default CFLAGS variable
 * add BSD_WARN_CFLAGS with -Wno-clobbered
 * use all this for pg(1) and more(1)

Signed-off-by: Karel Zak <kzak@redhat.com>

lib/colors: add colormode_or_err()

... to make the code easy to use in utils.

Signed-off-by: Karel Zak <kzak@redhat.com>

prlimit: delete rem_prlim prototype

We can just move the function up before any of its callers.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>

docs: note ddate removal

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

dmesg: fix usage() typo

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

dmesg: support --color[={auto,always,never}]

Signed-off-by: Karel Zak <kzak@redhat.com>

lib/colors: add support for auto, always and never modes

 ... to implement --color[=<when>]

Signed-off-by: Karel Zak <kzak@redhat.com>

su: consistent angular brackets and lowercase in help text of 'su'

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>

libblkid: fix blkid_parse_tag_string() to ignore incomplete tags

fstab entry:

    FOO=     /       btrfs  defaults       1 1

Program received signal SIGABRT, Aborted.
0x00007f016ccd8819 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56   return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:196

Reported-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Karel Zak <kzak@redhat.com>

textual: fixing typos in a warning and an error message

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>

cfdisk: fix ambiguous code

Signed-off-by: Karel Zak <kzak@redhat.com>

build-sys: add --disable-setterm

Signed-off-by: Karel Zak <kzak@redhat.com>

libmount: (test) check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

wall: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

swapon: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

setpriv: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

fallocate: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

swaplabel: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

mkswap: unify write check to a file descriptor

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

mkfs.minix: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

mkfs.cramfs: unify write check to a file descriptor

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

mkfs.bfs: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

fsck.minix: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

fsck.cramfs: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

wdctl: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

sfdisk: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cfdisk: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

resizepart: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

partx: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

fdformat: check writing to a file descriptor was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

include: add close_fd() for noticing write errors before close()

Essentially this helper function is similar to close_stream(), but for
file descriptors.

When a file descriptors are close()'d status of write is often
overlooked.  The close_fd() will try to determine what happen to writes
with fsync() before closing the file descriptor.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

libblkid: check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

pg: check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

agetty: check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

setpriv: check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

cfdisk: check writing to a file was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

setsid: exit when control terminal cannot be set

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

hexdump: add long options to the command

Includes update to bash completion, and manual as well.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

setpriv: allow login and group name option arguments

For an average user names are easier to use than uid and gid numbers.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

utmpdump: add option to write to a file

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

blkid, hwclock, ldattach: use program_invocation_short_name

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

bash-completion: add mount and umount

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

Fix various typos

wipefs: clean up code

This is C, use int & bits for boolean stuff rather than army of
variables.

Signed-off-by: Karel Zak <kzak@redhat.com>

wipefs: add --backup

[kzak@redhat.com: - don't wipe if failed to create a backup file
                  - use ts_scsi_debug_init in the regression tests]

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>

tests: partx tests cleanup

 * use ts_scsi_debug_init

 * use headers in output

 * use udevadm

Signed-off-by: Karel Zak <kzak@redhat.com>

tests: add partx regression tests

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>

build-sys: release++ (v2.23)

Signed-off-by: Karel Zak <kzak@redhat.com>

docs: update v2.23-ReleaseNotes

Signed-off-by: Karel Zak <kzak@redhat.com>

docs: update AUTHORS file

Signed-off-by: Karel Zak <kzak@redhat.com>

po: merge changes

Signed-off-by: Karel Zak <kzak@redhat.com>

po: update uk.po (from translationproject.org)

po: update pl.po (from translationproject.org)

po: update nl.po (from translationproject.org)

po: update hr.po (from translationproject.org)

po: update fr.po (from translationproject.org)

po: update da.po (from translationproject.org)

po: update cs.po (from translationproject.org)

tests: make mount tests backwardly compatible with deprecated-mount/

Signed-off-by: Karel Zak <kzak@redhat.com>

mount: (deprecated) check loopcxt_ return values

Signed-off-by: Karel Zak <kzak@redhat.com>

mount: (deprecated) remove duplicate xstrndup()

Signed-off-by: Karel Zak <kzak@redhat.com>

build-sys: use 'check' for all utils with dependencies

Signed-off-by: Karel Zak <kzak@redhat.com>

AUTHORS: fix prlimit typo

Signed-off-by: Davidlohr Bueso <dave@gnu.org>

libfdisk: gpt: remove leftover comments

I must have left those in some commit.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>

rtcwake: pass -h to shutdown

The sysvinit shutdown requires you use -h when using -H or -P.
Other inits just don't seem to care.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>