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Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* tests/sample-test: Adjust to use the single most recent year.
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Quote file names using the "shell-escape" or "shell-escape-always"
methods, which quote as appropriate for most shells,
and better support copy and paste of presented names.
The "always" variant is used when the file name is
embedded in an error message with surrounding spaces.
* cfg.mk (sc_error_shell_quotes): A new syntax check rule
to suggest quotef() where appropriate.
(sc_error_shell_always_quotes): Likewise for quoteaf().
* src/system.h (quotef): A new define to apply shell quoting
when needed. I.E. when shell character or ':' is present.
(quoteaf): Likewise, but always quote.
* src/*.c: Use quotef() and quoteaf() rather than quote()
where appropriate.
* tests/: Adjust accordingly.
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The LD_PRELOAD checks by -fsanitize=address are overly strict:
https://groups.google.com/forum/#!topic/address-sanitizer/jEvOJgkDqQk
A workaround is to first export LD_PRELOAD=libasan.so.2
The tests below are adjusted so that workaround is not discarded.
* tests/cp/no-ctx.sh: Append to $LD_PRELOAD.
* tests/df/no-mtab-status.sh: Likewise.
* tests/df/skip-duplicates.sh: Likewise.
* tests/ls/getxattr-speedup.sh: Likewise.
* tests/rm/r-root.sh: Likewise.
* tests/cp/nfs-removal-race.sh: Likewise. Also check that
LD_PRELOAD is effective to aid future maintainability
and avoid false failure if libasan.so.2 is not preloaded.
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* tests/df/df-output.sh: Allow for multiple spaces in the header line
of 'df', resulting from alignment with disk sizes >= 10TB.
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* tests/cp/no-ctx.sh: Scope of `var=val func` is inconsistent
across shells, so avoid that construct with functions.
* tests/df/no-mtab-status.sh: Likewise.
* tests/tail-2/inotify-race.sh: `read` needs an argument.
* tests/tail-2/inotify-race2.sh: Likewise.
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* tests/df/no-mtab-status.sh: getmntent is no longer called
when /proc/self/mountinfo is present, thus causing the test
to be skipped. Therefore wrap fopen() to ignore mountinfo,
and use the test genmntent table instead.
* tests/df/skip-duplicates.sh: Likewise.
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* src/df.c (filter_mount_list): With -l, avoid stating remote mounts.
* init.cfg: Avoid test hangs with inaccessible remote mounts.
* tests/df/no-mtab-status.sh: Skip with inaccessible remote mounts.
* tests/df/skip-rootfs.sh: Likewise.
* tests/df/total-verify.sh: Likewise.
* NEWS: Mention the bug fix.
Reported at http://bugzilla.redhat.com/1199679
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* tests/fs/skip-duplicates.sh: On this platform .mnt_opts is significant
so define to empty to avoid a NULL deref in read_file_system_list().
Fixes http://bugs.gnu.org/20210
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To align with all other places (and correct grammar), change all
upper-case "I.E." to "I.e.". Furthermore, ensure that "i.e." is
followed by a comma. Finally, ensure to use a double-space before
"I.e.," at the beginning of a sentence.
The following was used to change all offending uses (apart from
old ChangeLog files):
$ git grep -liF 'i.e.' \
| xargs sed -i \
-e 's/I\.E\./I.e./g' \
-e 's/\. \(I\.e\.\)/. \1/g' \
-e 's/\([Ii]\.e\.\)\( \)/\1,\2/g' \
-e 's/\([Ii]\.e\.\)$/\1,/g'
* cfg.mk (sc_prohibit_uppercase_id_est): Add new rule.
(sc_ensure_double_space_after_dot_before_id_est): Likewise.
(sc_ensure_comma_after_id_est): Likewise.
(old_NEWS_hash): Refresh hash via "make update-NEWS-hash".
* NEWS: Change use of "id est" abbreviation via the above command.
* README: Likewise.
* README-prereq: Likewise.
* doc/coreutils.texi: Likewise.
* gl/lib/rand-isaac.c: Likewise.
* gl/lib/tempname.c.diff: Likewise.
* man/stdbuf.x: Likewise.
* src/cat.c: Likewise.
* src/copy.c: Likewise.
* src/copy.h: Likewise.
* src/cp.c: Likewise.
* src/cut.c: Likewise.
* src/dd.c: Likewise.
* src/df.c: Likewise.
* src/fiemap.h: Likewise.
* src/longlong.h: Likewise.
* src/ls.c: Likewise.
* src/numfmt.c: Likewise.
* src/pr.c: Likewise.
* src/shred.c: Likewise.
* src/shuf.c: Likewise.
* src/split.c: Likewise.
* tests/Coreutils.pm: Likewise.
* tests/df/df-symlink.sh: Likewise.
* tests/df/skip-rootfs.sh: Likewise.
* tests/init.sh: Likewise.
* tests/ls/color-norm.sh: Likewise.
* tests/misc/basename.pl: Likewise.
* tests/misc/ls-misc.pl: Likewise.
* tests/misc/md5sum-bsd.sh: Likewise.
* tests/misc/shred-exact.sh: Likewise.
* tests/misc/sort.pl: Likewise.
* tests/misc/stdbuf.sh: Likewise.
* tests/misc/tac-continue.sh: Likewise.
* tests/rm/r-root.sh: Likewise.
* tests/tail-2/symlink.sh: Likewise.
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Many tests use `program ... && fail=1` to ensure expected
error situations are indicated. However that would mask
an unexpected exit (like a crash). Therefore explicitly
check the expected exit code.
Note where error messages are also verified, the extra
protection is not added.
* tests/init.sh (returns_): A new helper function to
check the return code of a command, and used
throughout the tests.
* cfg.mk (sc_prohibit_and_fail_1): Add a syntax check
to avoid new instances of this issue.
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* tests/df/no-mtab-status.sh: Provide libmount placeholders,
to avoid skipping the test when libmount is in use.
* tests/df/skip-duplicates.sh: Likewise.
* tests/df/skip-rootfs.sh: Comment that the test is moot
when libmount (/proc/self/mountinfo) is being used.
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Run "make update-copyright" and then...
* tests/sample-test: Adjust to use the single most recent year.
* tests/du/bind-mount-dir-cycle-v2.sh: Fix case in copyright message,
so that year is updated automatically in future.
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Included in this are gnulib changes 3ea43e02 2768ceb7
which make the device IDs from /proc/self/mountinfo
available to df. This can be leveraged by a subsequent
change to df to present a more accurate list of file systems.
* bootstrap: Merge from gnulib.
* src/ls.c (dev_ino_pop): s/obstack_blank/obstack_blank_fast/
as this API/ABI has changed, giving memory exhausted errors
if negative (large positive) numbers are passed to obstack_blank().
* tests/df/skip-duplicates.sh: Adjust as the new gnulib code
requires a non NULL mnt_opts even when mnt_type is not "none".
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* src/df.c (filter_mount_list): Separate remote locations are
generally explicitly mounted, so list each even if they share
the same remote device and thus storage. However with --total
keep the suppression to give a more accurate value for the
total storage available.
(usage): Expand on the new implications of --total and move
it in the options list according to alphabetic order.
doc/coreutils.texi (df invocation): Mention that --total impacts
on deduplication of remote file systems and also move location
according to alphabetic order.
* tests/df/skip-duplicates.sh: Add remote test cases.
* NEWS: Mention the change in behavior.
Reported in http://bugs.debian.org/737399
Reported in http://bugzilla.redhat.com/920806
Reported in http://bugzilla.opensuse.org/866010
Reported in http://bugzilla.opensuse.org/901905
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* tests/df/no-mtab-status.sh: Skip if getmntent() not available.
* tests/df/skip-duplicates.sh: Likewise.
Fixes http://bugs.gnu.org/17863
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* src/df.c (last_device_for_mount): A new function to identify
the last device mounted for a mount point.
(get_disk): Use the above to discard mount entries for a device,
where a later mount entry uses a different device name than
that of the user specified device.
* tests/df/over-mount-device.sh: A new root test.
* tests/local.mk: Reference the new test.
* NEWS: Reword for all these related recent fixes.
Discussed at: http://bugs.gnu.org/16539#69
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A system provided mount entry may be unavailable due to TOCTOU race,
or if another device has been over-mounted at that position, or due to
access permissions. In all these cases output "-" placeholder values
rather than either producing an error, or in the over-mount case
outputting values for the wrong device.
* src/df.c (device_list): A new global list now updated by
filter_mount_list().
(filter_mount_list): Adjust to take a parameter as to whether
update the global mount list, or only the mount <-> device ID mapping.
(get_dev): Use the device ID mapping to ensure we're not outputting
stats for the wrong device. Also output placeholder values when we
can't access a system specified mount point.
(get_all_entries): Set the DEVICE_ONLY param for filter_mount_list().
(devname_for_dev): A new function to search the mount <-> dev mapping.
* test/df/skip-duplicates.sh: Adjust accordingly.
* NEWS: Mention the bug fixes.
Discussed at: http://bugs.gnu.org/16539
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* src/df.c (filter_mount_list): Recent commit v8.22-108-g25a2c94
failed to copy file system type along with the updated device name.
Therefore simply replace the existing mount entry with the
current one with all the latest device details. Note the name,
even if not shorter in this entry, will be replaced with a shorter
name in a subsequent mount entry.
* tests/df/skip-duplicates.sh: Add a test case.
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The device name reported for a particular mount entry
may no longer be valid if the mount point was subsequently
mounted on a different device. Therefore honor the order
of the mount list returned by the system and use the last
reported device name.
* src/df.c (filter_mount_list): When discarding the current
mount entry, ensure that a new device name is not also discarded.
* tests/df/skip-duplicates.sh: Add a test case. Also fix
a false failure in the edge case of a system with only a
single file system.
* NEWS: Mention the fix.
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Linux with network namespaces contains entries in /proc/mounts like:
proc net:[4026532464] proc rw,nosuid,nodev,noexec,relatime 0 0
resulting in a failure to stat 'net:[...]', inducing a warning
and an exit with failure status.
* src/df.c (get_dev): Ignore all relative mount points.
* tests/df/skip-duplicates.sh: Add an entry to test relative dirs.
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The symlink handling in commit v8.21-172-g33660b4 was incomplete
in the case where there were symlinks in the mount list itself.
For example, in the case where /dev/mapper/fedora-home was in the
mount list and that in turn was a symlink to /dev/dm-2, we have:
before> df --out=source /dev/mapper/fedora-home
devtmpfs
after > df --out=source /dev/mapper/fedora-home
/dev/mapper/fedora-home
* src/df.c (get_disk): Compare canonicalized device names from
the mount list. Note we still display the non canonicalized name,
even if longer, as we assume that is the most representative.
* tests/df/df-symlink.sh: This could theoretically fail on some systems
depending on the content of the mount list, but adjust to fail on any
system where symlinks are present in the mount list for the current dir.
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* src/df.c (filter_mountlist): Remove the constraint that
a '/' needs to be in the device name for a mount entry to
be considered for deduplication. Virtual file systems also
have storage associated with them (like tmpfs for example),
and thus need to be deduplicated since they will be shown
in the default df output and subject to --total processing also.
* test/df/skip-duplicates.sh: Add a test to ensure we deduplicate
all entries, even for virtual file systems. Also avoid possible
length operations on many remote file systems in the initial
check of df operation. Also avoid the assumption that "/root"
is on the same file system as "/".
* NEWS: Mention the change in behavior.
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* init.cfg (gcc_shared_): A new function refactored from tests.
(require_gcc_shared_): Adjust to call gcc_shared_() to build the
test library, and remove that library before the function returns.
* tests/cp/nfs-removal-race.sh: Call the new gcc_shared_().
* tests/df/no-mtab-status.sh: Likewise.
* tests/df/skip-duplicates.sh: Likewise.
* tests/ls/getxattr-speedup.sh: Likewise.
* tests/rm/r-root.sh: Likewise.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* tests/df/total-unprocessed.sh: Skip the test when we can't
determine the file system type as the exclusion filter is not
applied in that case. "lofs" being ignored is effectively
an unknown file system type.
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* tests/df/total-unprocessed.sh: -t nfs and --local are
_not_ mutually exclusive on solaris, with lofs mounts.
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This is so the matching for the device is done on the canonical name
of the disk node, rather than on the path of the symlink.
In any case the user will generally want to use the symlink target.
* src/df.c (get_disk): Canonicalize the passed file,
before matching against the list of mounted file system devices.
Note we pass the original symlink name to the "file" output field,
as the symlink target is usually available through the "source" field.
* tests/df/df-symlink.sh: Test the dereferencing operation.
* tests/local.mk: Mention the new test.
* NEWS: Mention the fix.
Reported by Ondrej Oprala
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* src/df.c (usage): Document the new 'file' --output field.
(get_dev): Add a new parameter to pass the specified
argument from the command line through. Use '-' if a
command line parameter is not being used.
* doc/coreutils.texi (df invocation): Describe the new 'file' field.
* tests/df/df-output.sh: Adjust all fields test, and
add a specific test for --output=file.
* NEWS: Mention the new feature.
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Some newer test scripts - partially ones from me - are not executable.
It does not seem to be a problem, but for consistency and to avoid
future problems on unusual platforms or shells change the permissions
by adding the executable bit.
* cfg.mk (sc_tests_executable): Add new syntax-check rule to ensure
that all test scripts are executable.
* tests/df/df-output.sh: Change file mode from 644 to 755.
* tests/du/threshold.sh: Likewise.
* tests/factor/run.sh: Likewise.
* tests/init.sh: Likewise.
* tests/misc/csplit-suppress-matched.pl: Likewise.
* tests/misc/numfmt.pl: Likewise.
* tests/tail-2/retry.sh: Likewise.
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* src/df.c (filter_mount_list): Initialize devlist->dev_num correctly
when unable to stat() a mount point. This will avoid possible invalid
deduplication done on the list due to use of uninitialized memory.
* tests/df/skip-duplicates.sh: Ensure this code path is exercised.
Also refactor the test to be table driven.
* NEWS: Mention the bug fix.
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* init.cfg (require_gcc_shared_): A new function to check
that we can build shared libraries in the particular manner
we use in our tests.
* tests/cp/nfs-removal-race.sh: Use require_gcc_shared_.
Then fail rather than skip, if the actual shared lib build fails.
* tests/df/no-mtab-status.sh: Likewise.
* tests/df/skip-duplicates.sh: Likewise.
* tests/ls/getxattr-speedup.sh: Likewise.
Reported in http://bugs.gnu.org/14024
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Like any other pseudo file system, df should show rootfs only
when the -a option is specified, i.e. specifying -trootfs alone
is not sufficient. As the rootfs entry is now elided by the
general deduplication in filter_mount_list (commit v8.20-103-gbb116d3),
all other references to rootfs can be removed again.
* src/df.c (show_rootfs): Remove global variable.
(ROOTFS): Remove constant.
(filter_mount_list): Remove case to handle rootfs specially.
(main): In the case for handling the -t option, remove setting
of the show_rootfs variable.
* tests/df/skip-rootfs.sh: Adapt the test case "df -t rootfs":
the rootfs file system must not be printed (because no -a).
* doc/coreutils.texi (df invocation): Correct the documentation
about eliding mount entries: it is not the first occurrence of
the the device which wins, but now rather the entry with the
shortest mount point name. Also adapt the description about
eliding pseudo file system types like rootfs.
* NEWS (Changes in behavior): Adapt entry.
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* src/df.c (struct devlist): Add a new element for storing
pointers to mount_entry structures.
(devlist_head, dev_examined): Remove.
(filter_mount_list): Add new function to filter out the rootfs
entry (unless -trootfs is specified), and duplicities. The
function favors entries with a '/' character in me_devname
or those with the shortest me_mountdir string, if multiple
entries fulfill the first condition.
Use struct devlist to build up a list of entries already known,
and finally rebuild the global mount_list.
(get_all_entries): Call the above new function unless the -a
option is specified.
(get_dev): Remove the code for skipping rootfs and duplicities.
* tests/df/skip-duplicates.sh: Add test cases.
Co-authored-by: Bernhard Voelker <mail@bernhard-voelker.de>
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* doc/coreutils.texi (df invocation): s/occurence/occurrence/.
* tests/df/skip-rootfs.sh: s/supressed/suppressed/
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* src/df.c (struct devlist): Add new struct for storing already-
examined device numbers.
(devlist_head): Add new store of the above type.
(show_rootfs): Add new global boolean to not skip rootfs.
(dev_examined): Add new function to check if the device has
already been traversed.
(get_dev): Filter out rootfs unless "-t rootfs" or the -a
option is specified. Filter out duplicate entries by calling
the above new dev_examined unless the -a option is specified.
(main): Set the show_rootfs variable appropriately when the -t
option is specified for rootfs. Free device list (guarded by
IF_LINT).
* tests/df/skip-duplicates.sh: Add test to exercise the skipping
of duplicate entries.
* tests/df/skip-rootfs.sh: Add test to exercise the skipping
of the rootfs pseudo file system.
* tests/local.mk: Add the above new tests.
* NEWS (Changes in behavior): Mention the changes.
* doc/coreutils.texi (df invocation): Document df's behavior about
skipping rootfs and duplicate entries.
Co-authored-by: Bernhard Voelker.
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The regular expression failed to match for file systems that
do not provide inode statistics, e.g. VFAT or CIFS (depending
on the underlying peer file system).
* tests/df/total-verify.sh: Fix the regular expression to match
a dash in the ipcent field again.
Reported by Assaf Gordon in http://bugs.gnu.org/13099.
Bug introduced in commit v8.20-18-gdae8d22.
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* tests/df/df-output.sh: sed --in-place is not generally available.
Also add a couple of simplifications from Bernhard Voelker.
Removing all spaces, rather than just leading spaces, suffices.
Searching for ' --output' in unadjusted df --help, suffices.
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As the inodes information is usually not so much of interest,
and some file systems including btrfs do not even provide it,
reading of the full df --output is easier when the block
statistic fields come just left of the last field, the mount
point.
* src/df.c (all_args_string): Move the inodes fields before
the block fields.
(usage): Likewise.
* tests/df/df-output.sh: Likewise.
* doc/coreutils.texi (df invocation): Likewise. Additionally,
explicitly mention the default order of the --output option.
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* tests/df/df-output.sh: For the test "df -B1K --output=size",
do not assume that the file system size fits in 9 bytes; it
might be larger than that, so omit leading space. Also, use
portable 'sed' commands: POSIX says sed commands inside { } should
all end in newline.
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* tests/df/df-output.sh: Add a test case.
* tests/local.mk (all_tests): Mention the test.
* cfg.mk (sc_file_system): Exempt the test from this syntax-check.
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This supports changing the order of the fields displayed,
and also allows the simultaneous display of inode and block fields.
src/df.c (get_dev): Factor out calling get_header to ...
(main): ... here. Call print_table only if file_systems_processed.
src/df.c (Displayable fields): Rename DEV_FIELD to SOURCE_FIELD.
Rename TYPE_FIELD to FSTYPE_FIELD. Rename FREE_FIELD to AVAIL_FIELD.
Rename MNT_FIELD to TARGET_FIELD.
* src/df.c (display_field_t): Turn loose enum definition of the
displayable fields into a typedef. Add the inode fields ITOTAL_FIELD,
IUSED_FIELD, IAVAIL_FIELD, IPCENT_FIELD.
(field_data_t): Define structure to hold the display field, the
caption, the width and the alignment for each field of the above
type.
(field_data): Add array the values of field data for each display
field.
(headers, alignments, widths): Remove arrays.
(columns): Add a pointer to the storage for the array of the actual
output columns, i.e., fields.
(ncolumns): Add counter for the current output columns.
(alloc_table_row): Allocate the dynamic ncolumns value of strings.
(print_table): Loop over ncolumns instead of constant NFIELDS. Rename
loop variable 'field' to 'col' to avoid ambiguity with the 'field'
element in the columns structure. Adjust the condition for printing
the last column by comparing with the column number instead of the
field name (TARGET_FIELD). Use the width and the alignment stored in
the columns data.
(alloc_field): Add new function to allocate a field in the columns
array.
(get_field_list): Add new function to fill the array of output columns
for each mode.
(get_header): Loop over ncolumns instead of constant NFIELDS. Rename
the loop variable 'field' to 'col' to avoid ambiguity with the 'field'
element in the columns structure. Remove the code for continuing the
loop if the current column is the file system type and print_type is not
active (which is now impossible). Store the cell in the columns store
along with the new width.
(get_dev): Loop over ncolumns instead of the constant NFIELDS. Rename
the loop variable 'field' to 'col' to avoid ambiguity with the 'field'
element in the columns structure; move the definition down to where it
is used first. Add cases for the inode fields ITOTAL_FIELD,
IUSED_FIELD, IAVAIL_FIELD and IPCENT_FIELD. Store the cell in the
columns store along with the new width.
(main): Use new get_field_list function to fill the list of output
columns.
* src/df.c (print_table): Instead of fputs()ing directly, apply
ambsalign on the last field, too. Use the new MBA_NO_RIGHT_PAD flag
for this.
* src/df.c (TOTAL_OPTION): Add new enum value.
(long_options): Use it for the "total" option instead of 'c'.
(main): Likewise.
* src/df.c (get_dev): Remove condition to copy the fstype into the
FSTYPE_FIELD - based on whether print_type is non-Null. Since the
introduction of get_field_list(), there are only fields added to
the columns array which have to be added.
* src/df.c (get_dev): Guard the summing up of the values for the
grand total: only do it if we have to print the total and if the
current invocation is not for processing it.
* src/df.c (main): Pass a hyphen "-" for the mount point name
to get_dev.
(get_dev): As the mount_point is now always there,
remove the condition and the else case for the TARGET_FIELD.
Instead, simply copy the mount_point.
All cells are now always present. Therefore, add an assertion
statement if one was not. Furthermore, hide the problematic
characters unconditionally.
(print_table): Remove the skipping of empty cells.
* tests/df/total-verify.sh: Accommodate to the new "-" in the
target field of the summary line.
* NEWS: Mention the change in behavior.
* src/df.c (field_type_t): Add new typedef of 3 enums to distinguish
between block, inode and other fields.
(field_data_t): Add field_type member of the above new type.
(field_data): Add default values for the above field_type,
indicating whether a field contains block values, inode values
or other, generic values.
(field_values_t): Add this struct to store the field values, used
by and factored out from get_dev to be able to define such a struct
for both the inode and the block values.
(get_field_values): Add this function to obtain the block values
and the inode values from the file system usage, used by and
factored out from get_dev.
(add_to_grand_total): Add this function to sum the values of the
current mount point up for the grand total, used by and factored
out from get_dev.
(get_dev): Move the definition of the variables fsu, buf, pct and
cell down to where they are used first to give them a better scope.
Factor out input_units, output_units, total, available,
negate_available, available_to_root, used and negate_used into the
above struct field_values_t.
Factor out the mapping of the fsu values to the above variables
into above function get_field_values.
Factor out the summing up of the grand total values into the
above function add_to_grand_total.
Define block_values and inode_values of the new type and call the
new get_field_values to fill them from the fsu values.
Call the above function add_to_grand_total for summing up the
values for the grand total.
Inside the loop over all fields, define a variable 'v' to point
to either the block_values or the inode_values, depending on the
current field's field_type. Change the code in the cases
TOTAL_FIELD/ITOTAL_FIELD, USED_FIELD/IUSED_FIELD, AVAIL_FIELD/
IAVAIL_FIELD and PCENT_FIELD/IPCENT_FIELD to use the field values
where 'v' is pointing to, i.e., either the block_values or the
inode_values.
* src/df.c (main): Remove setting of grand_fsu.fsu_blocks in the
inode_format case as this is no longer needed and would lead to
wrong results once when mixed block/inode fields will be used.
* src/df.c (main): Cleanup the code at the end regarding
file_systems_processed to make the code clearer.
* src/df.c (inode_format): Remove variable.
(main): Remove initialization of the above variable.
In getopts loop, directly set the header_mode to INODES_MODE
instead of using the above variable. Afterwards, remove the
mapping to INODES_MODE as it is already set.
* src/df.c (posix_format): Move variable ...
(main): ... to here.
* src/df.c (print_table): Enhance the comment about 2-line format
in cases where the SOURCE_FIELD exceeds 20 chars, as such
behavior has been removed long ago by commit v8.10-40-g99679ff.
* src/df.c (Display modes): Add OUTPUT_MODE, remove unused NMODES.
(display_field_t): Remove unnecessary NFIELDS.
(field_data_t): Add member 'arg' for the field name in the --output
argument. Add member 'used' to remember if a field is already used
in the columns array.
(field_data): Add values for the above new members arg and used.
(all_args_string): Add variable which represents the argument for
the --output option which includes all fields.
(OUTPUT_OPTION): Add enum to identify the long --output option.
(long_options): Add optional-argument --output option.
(alloc_field): Assert that the field is not already used.
Mark the field as used.
(decode_output_arg): Add function to parse the comma-separated
field list passed to the --output option in order to add the
appropriate fields to the columns array.
(get_field_list): Add case for the new OUTPUT_MODE to add all
available fields to columns in the case the --output option
has been passed without any values. Use the comma-separated
field list form to pass to decode_output_arg to keep the field
header mapping for the OUTPUT_MODE only on one place.
(main): Define format string msg_mut_excl to be used in the
following checks whether the use of --output and the other
option is mutually exclusive.
In the getopt_long loop, add a check to the case for the -i option
to issue an error message when it is used together with --output;
Likewise for -T and -P.
Add a new case for OUTPUT_OPTION, together with similar checks as
above and eventually passing the optarg to decode_output_arg.
After the getopt_long loop, consider the OUTPUT_MODE case in order
not to run into -h or -P mode.
* src/df.c (get_dev): Also xstrdup the dev_name, and free it
afterwards to silence a valgrind warning about definitely lost
memory.
(main): Free the columns store to silence valgrind, guarded by
the IF_LINT macro.
* src/df.c (main): Pass "total" as the mount point to get_dev if
the SOURCE_FIELD is not among the columns to output.
* tests/df/df-output.sh: Change the test to ensure the content of
the target field of the grand total line: if the source field is
present, then the target should be "-", else the target field should
be "target".
* NEWS (Changes in behavior): Enhance the exiting NEWS entry.
* doc/coreutils.texi (df invocation): Document the content of the
source and target field in the grand total line.
* src/df.c (main): Add another condition to the need_fs_type
parameter of read_file_system_list whether the FSTYPE_FIELD is
used or not.
* src/df.c (get_header): Indicate the block size used,
in the "size" header, when using --output without -h.
* tests/df/df-output.sh: Adjust for, and add an extra test for,
the new behavior.
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* Makefile.am (SUBDIRS): Remove 'tests'.
(include): The '$(top_srcdir)/tests/local.mk' file.
(check-root): Remove this convenience target, it's no longer needed
now that the "real" check-root target once in 'tests/Makefile' will
land in the top-level makefile.
* configure.ac (AC_CONFIG_FILES): Remove 'tests/Makefile'.
* tests/Makefile.am: Rename ...
* tests/local.mk: ... like this, with a lot of adjustments.
* tests/init.cfg: Move ...
* init.cfg: ... here. This is necessary, for a limitation of the
gnulib-provided 'tests/init.sh', which unconditionally look for
'init.cfg' in the $(srcdir) directory.
* tests/*/*.sh: Adjust: expect init.sh to be in '$srcdir/tests',
not in '$srcdir', and extend $PATH with './src', not with '../src'.
* tests/Coreutils.pm: Adjust similarly.
* tests/pr/pr-tests.pl ($pfx): Likewise.
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Not only this shrinks the size of the generated Makefile (from > 6300
lines to ~3000), but will allow further simplifications in future
changes.
* tests/Makefile.am (TEST_EXTENSIONS): Add '.sh' and '.pl'.
(PL_LOG_COMPILER, SH_LOG_COMPILER): New, still defined simply to
$(LOG_COMPILER) for the time being.
(TESTS, root_tests): Adjust as described.
* All tests: Rename as described.
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* tests/df/no-mtab-status: Include <mntent.h> in test program, so
that the getmntent hack compilation fails on Solaris, as it
should, since it's not compatible with Solaris. Reported by
Stefano Lattarini in <http://bugs.gnu.org/12225>.
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* src/df.c (main): Add conditions to fail when the mount list cannot
be read: this includes the cases when a file name argument is given
and any of -a, -l, -t or -x is used.
* doc/coreutils.texi: Document the additional error conditions.
* tests/df/no-mtab-status: Add a new test.
* tests/Makefile.am: Reference the new test.
* NEWS: Mention the fix.
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* tests/init.cfg (require_mount_list_): A new function
to ensure we can read the list of file systems.
(require_local_dir_): Call the above function, as otherwise
the check is invalid.
* tests/df/total-unprocessed: Ensure df can read the
list of mounted file systems so that --local can be honored.
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When the combination of the file system options with given files or
devices does not lead to output, "df --total" would exit successfully
although it should not.
Examples:
$ df --total --type=xfs / # when / is not an XFS file system
$ df --total --local -t nfs DIR # nfs is remote per se ...
$ df --total -t qwerty /dev/sdb5 # typo in file system type
Furthermore, "df --total" would not print the error message "no file
systems processed" when the file argument does not exist or is otherwise
not accessible.
Example:
$ df --total __not_exist__
These 2 bugs are present since --total was added by commit
v6.12-166-gea2887b.
* src/df.c (get_dev): Do not set file_systems_processed to true when
force_fsu is true, i.e. when the row for the "total" line is processed.
(main): Don't print totals unless we've processed a file system.
Also only print the "no FS processed" message if there was no
preceding diagnostic.
* tests/df/total-unprocessed: Add a new test.
* tests/Makefile.am: Reference the new test.
* NEWS: Mention the fix.
Improved-by: Jim Meyering
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* test/Makefile.am: Reference the moved tests.
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It's awkward to read and problematic for scripts when
control characters like '\n' are output.
Note other fields are already handled with mbsalign,
which converts non printable chars to the replacement char.
A caveat to note with that, is the replacement char takes
a place in the field and so possibly truncates the field
if it was the widest field in the records.
Note a more general replacement function, that
handles all printable, or non white space characters,
would require more sophisticated support for various
encodings, and the complexity vs benefit was not
deemed beneficial enough at present.
Perhaps in future a more general replacement function
could be shared between the various utilities.
Note <space> is unaffected in any field,
which could impact scripts processing the output.
However any of the number fields at least could have
spaces considering `LANG=fr_FR df -B\'1`, so it's
probably best to leave spaces, which also allows
scripts to handle mount points with spaces without change.
* src/df.c (hide_problematic_chars): Replace control chars with '?'.
* tests/df/problematic-chars: Add a new root only test.
* tests/Makefile.am: Reference the new test.
* NEWS: Mention the fix.
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