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When we switch supported_reserved_types_with_range to const
gcc repots this problem:
warning: ‘and’ of mutually exclusive equal-tests is always 0
!(iter->type & supported_reserved_types_with_range))) {
It's not clear from the history what was the actual intention of this
internal error test, let's assume the check wanted to make sure
that when DM_REPORT_FIELD_RESERVED_VALUE_RANGE is set,
some other fields from supported_reserved_types_with_range set
are also selected.
This was rather API mistake - the internal of libdm
do handle suffixes list as const string, just the API
was only using 'const char **'.
So the user may pass safely casted 'const char * const`.
Old system do not work well with -l% in findstring,
so use a different strategy to recognize whether -lreadline needs
another library (-ltinfo, -lncourses...)
(So we don't need to solve this via 'configure')
Also for now comment out -Wl,-z,pack-relative-relocs and leave it
for the package maintainer whether they want to use.
Possibly add some 'configure' autodetection for usable switch,
as it's relatively new feature..
Add some -Wl flags separatly and avoid their duplication.
Also add --as-needed only when system is using 'newer' readline
library - on these older system the usage of '--as-needed'
seems to be causing some hard to solve problem - so avoid it.
Attach -Wl,-z,relro,-z,now,-z,pack-relative-relocs,--as-needed
to LDFLAGS, but only if LDFLAGS already doesn't contain 'relro'
(so it's not given repeatedly).
Also start to use -z,now linkage also when building libraries
with default compilation - this avoid calling symbol resolver
while library function are using function needing resolving.
Note: Fedora or RHEL rpm building is using:
CFLAGS=$(rpm --eval %{build_cflags})
LDFLAGS=$(rpm --eval %{build_ldflags})
Also split -DUSE_SD_NOTIFY into DEFS from CFLAGS.
Use LDFLAGS separately with every use of CLDFLAGS and leave
this flag only for handling versioning.
This will reflect any LDFLAGS setting use during make.
Let's move proc into include/configure.h so this define can
be easily used across the source base.
Configure defines it - but ATM we do not provide any configure
option to change it - there should be no need to ever change it.
This code is somewhat complex and involves recursion and pointer
shuffling which confuses coverity here.
Let's add masking comment for this warning as there is no double
free in this code.
Add internal inline function wrapper for dm_strncpy().
Use it for calls where we test the result.
Avoids emitting warnings in Coverity for unchecked usage.
Shuffle code to avoid using static variable to pass parsed option.
Code is now easier to follow and also number of coverity reports
will go away.
There should be no functional change.
Handle mismatch of reported 'dm raid' status, where the active
raid LV can be actually showing higher numebr of raid leg devices,
that the number of shown status characters.
This can happen if the raid leg is dropped during initial
resynchronization.
When getting raid status from some older kernels, we may get an 'a'
for 'A' leg when doing initial synchronization.
This may prohibit removal of newly synchronized leg until synchronization
is finished.
So in this case change the status to look like being reported
from a newer kernel version.
When reporting in JSON format, we need to be able to find the 'last
displayed row', not just 'last row' as we did before. This is used
to decide whether to put the JSON_SEPARATOR (the ',' character)
between the lines when reporting in JSON format.
This is mainly important in case we use a combination of JSON format
and a report marked with DM_REPORT_OUTPUT_MULTIPLE_TIMES flag.
Such report may be reused several times with different selection
criteria each time. In that case, the report always contains all lines
in memory, even though some of them do not need to pass the selection
criteria that are currently used.
Without DM_REPORT_OUTPUT_MULTIPLE_TIMES flag, the report only contains
the lines that have passed the selection criteria, so the this wasn't
an issue in this case.
Fix suggested by Lars Ellenberg and reported here: https://github.com/lvmteam/lvm2/issues/130
When new app links with current dm_task_run() that propagates ioctl()
errno - ensure it will not be usable with older version without this
supported feature.
Since LVM 2.02 it appears that compiling LVM on a platform which
lacks a shared library linker/loader will fail to produce any
binaries (dmsetup, lvm2, etc).
Adds support for the standard --disable-shared flag, and
use it to disable attempts at building shared libraries.
Modified-by: zkabelac
Fix a bug in _stats_set_aux() that causes bogus data to appear
in the 'userdata' field of stats reports when previously grouped
regions are ungrouped:
/var/tmp/File With Spaces: Created new group with 1 region(s) as group ID 0.
Removed group ID 0 on fedora-root
Name GrpID RgID ObjType RgStart RgSize #Areas ArSize ProgID UserData
fedora-root - 0 region 6.39g 100.00m 1 100.00m dmstats #-
^^
This is the aux_data separator character followed by empty user data.
The _stats_set_aux() function should only emit the separator if
there is a valid group descriptor for the region.
Creating a group with a name that contains whitespace causes an error in
the @stats_set_aux message:
device-mapper: message ioctl on (253:0) failed: Invalid argument
Could not create regions from file /var/tmp/File With Spaces.
Fix this by quoting the group alias and backslash escaping any
embedded space characters.
Refactor the function that parses regions from @stats_list data to
separate the parsing of variable string data from the fixed parts
of the @stats_list response.
Fix a double free in the error path from _stats_create_group() by
clearing the group struct embedded in the dm_stats handle before
returning:
device-mapper: message ioctl on (253:0) failed: Invalid argument
Could not create regions from file /var/tmp/File With Spaces.
free(): double free detected in tcache 2
Aborted (core dumped)
When setting up dm-verity devices with signed root hashes it is very
useful to have a recognizable error code when a key is not present in
the kernel keyring. Turns out the kernel actually returns ENOKEY in that
case, but this gets lost in libdevmapper.
This fixes this: in _create_and_load_v4() it copies the error code from
the ioctl from the sub-tasks back to the main task field on failure.
This is not enough to make libcryptsetup actually propagate the ENOKEY
correctly, that also needs a patch to libcryptsetup, but this is part of
the puzzle.
Add '--headings none|abbrev|full|0|1|2' command line option to select
the heading type.
none|0 - no headings
abbrev|1 - column name abbreviations
full|2 - full column names (column names are equal to exact names
that -o|--options also accepts to set report output)
Add new DM_REPORT_OUTPUT_FIELD_IDS_IN_HEADINGS report output flag.
If enabled, column IDs are reported instead of column names in report
headings.
The 'column IDs' are IDs as found in 'const struct dm_report_field_type *fields'
array that is passed during report initialization (that is, a call to
dm_report_init/dm_report_init_with_selection). In this case, the 'id'
dm_report_field_type member is used instead of the 'heading' member.
