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Instead of looking for available back-buffers on each operation, set it to
NULL and wait for the next frame request. It will call back into the pipe
to request the back-buffer via ->target(), where we can do the same and
look for an available backbuffer.
This simplifies the code and avoids double lookups if we run short of
buffers.
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Coverity complained about this code and is partially right. We are not
really protected against integer overflows. Sure, unlikely, but lets just
avoid any overflows and properly protect our parser loop.
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Lets return the parsed length in term_utf8_decode() instead of a buffer
pointer. Store the pointer in the passed argument.
This makes it adhere to the systemd coding-style, were we always avoid
returning pointers, but store them in output arguments. In this case, the
storage is not allocated, so it doesn't fit 100% to this idiom, but still
looks much nicer.
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We currently select front-buffers as new back-buffer if they happen to be
the last buffer in our framebuffer-array. Fix this by never selecting a
new front buffer as back buffer.
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The status of actually writing the file was totally ignored.
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The --utc option was introduced by commit
9fd290443f5f99fca0dcd4216b1de70f7d3b8db1.
Howerver, the implementation was incomplete.
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Spotted with coverity. If parsing both /etc/os-release and
/usr/lib/os-release fails then null would be passed on. The calls
to parse the two files are allowed to fail. A empty /etc may not
have had the /etc/os-release symlink restored yet and we just
try again in the loop. If for whatever reason that does not happen
then we now pass on 'n/a' instead of null.
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Coverity seems to think that we can later end up with the "them"
fd having a negative value. Even after a succesful barrier_create.
Add some test to verify that the constructor went well. If coverity
still complains then it must mean that it thinks the the value is
overwritten later.
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CID#1237537
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This reverts commit 141a1ceaa62578f1ed14f04cae2113dd0f49fd7f.
People should fix their libc's getopt(), instead of us using a weird
option ordering...
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keep function invocations and variable declarations separate
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This would make it simple to verify that the data is on the right format when
the type is known.
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The caller may have an existing DUID that it wants to use, and may
want to use some other DUID generation scheme than systemd's
default DUID-EN.
[tomegun: whitespace - we never use tabs]
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struct kdbus_cmd_match got a flags field, which systemd currently makes no
use of.
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Fixup for 718880ba0d 'add a transient user unit directory'.
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This makes this function name similar to user_config_home() and makes
it match the name of the environment variable.
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This patch adds a transient user unit directory under
`$XDG_RUNTIME_DIR/systemd/user/` and stores transient user-instance
units (such as those created by `systemd-run --user`) under there
instead of putting them in $XDG_CONFIG_HOME/systemd/user/.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=67331
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Introduce option to display time in UTC.
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They really should got to stderr, not stdout.
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That way the we make our code safe regarding reordering of the variables
in the enum.
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struct kdbus_cmd_conn_info takes a list of items now instead of a string.
Fix the only user in SD of that ioctl.
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We cannot rely on "errno" to be non-zero on failure, if we perform
multiple glibc calls. That is, if the first eventfd() call fails, but the
second succeeds, we cleanup the barrier but return 0.
Fix this by always testing the return value immediately. This should also
fix all the coverity warnings.
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Allow term users to retrieve the page dimensions of a terminal screen.
This is needed to properly calculate the grid dimensions when rendering.
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Like all the other parts of libsystemd-terminal, split API of
term-internal.h into term.h so we can use it from systemd-consoled.
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Lets avoid putting stuff into /usr/shared/unifont/, but keep it in
/usr/share/systemd/. Upstream lacks interest in this, so don't bother for
now.
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Allow unifont users to retrieve the width and height of unifont glyphs. In
version 1 this is hard-coded as 8/16, but may be changed in the future.
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All the definitions are for outside users, so drop the -internal suffix.
Internal definitions are in unifont-def.h and unifont.c, no need to share
those.
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D-Bus' type hierarchy as described in the spec is:
\- basic
\- fixed type (u, i, etc.)
\- string-like type (s, o, g)
\- container
Someone seems to have referred to basic types as "simple types" at
some point, but that term isn't defined in the D-Bus Specification,
and seems redundant.
So far I haven't renamed functions that use "trivial" in their names
to mean "fixed type", to avoid confusion about whether a struct of
constant length, like (iu), is a fixed type. The answer is that it is
fixed-length, but is not a "fixed type", so I can see that something
like bus_type_is_fixed() might be ambiguous.
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We used to make all .swap units either RequiredBy=swap.target or
WantedBy=swap.target. But swap.target should be the "configured swap
units", either through /etc/fstab or non-generated .swap units. It
is surprising when systemd starts treating a swap device that was
possibly temporarily enabled as a hard dependency for other units.
So do not add dependencies with swap.target for units gleaned from
/proc/swaps.
Similarly, we added dependencies for all aliases of the device name,
which clutters up the dependency graph but does not seem to bring any
value, since the status of those following units is consistent with
the main one anyway.
This should be a fix for [1], and it seems the right thing to do
anyway.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1114786
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In pty.c there was both an include of our pty.h and the system installed pty.h.
The latter contains only two functions openpty and forkpty. We use neither so
I assume it was a typo and removed it. We still compile and pass all tests.
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Just to make sure that coverity is wrong.
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Change the other spot too.
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Paths can in principle be longer then PATH_MAX, so
simply allocate the buffer with malloc().
CID #1237773
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Anything below .1 s is meaningless anyway.
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t cannot be null here
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Found with coverity. Fixes CID#1237754 and #1237790
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Let's silence coverity here too. There is not much to do if the
ioctls to copy the fonts and character maps should fail.
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Suggested by Zbigniew.
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Make it clear in the code that ignoring a failed safe_ato?() is intentional.
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systemctl would print 'CPUQuotaPerSecUSec=(null)' for no limit. This
does not look right.
Since USEC_INFINITY is one of the valid values, format_timespan()
could return NULL, and we should wrap every use of it in strna() or
similar. But most callers didn't do that, and it seems more robust to
return a string ("infinity") that makes sense most of the time, even
if in some places the result will not be grammatically correct.
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