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get_next_elapse() will always fill 'next' with values when it
returns >= 0. Hence, the compiler is wrong about this warning.
Initialize 'next' nevertheless.
src/systemctl/systemctl.c: In function ‘list_timers’:
src/systemctl/systemctl.c:953:43: warning: ‘next.monotonic’ may be used
uninitialized in this function [-Wmaybe-uninitialized]
converted = nw.realtime - (nw.monotonic - next.monotonic);
^
In file included from ./src/shared/log.h:30:0,
from src/systemctl/systemctl.c:46:
./src/shared/macro.h:137:38: warning: ‘next.realtime’ may be used
uninitialized in this function [-Wmaybe-uninitialized]
_a < _b ? _a : _b; \
^
src/systemctl/systemctl.c:933:32: note: ‘next.realtime’ was declared here
dual_timestamp next;
^
Use 'if defined()', not 'ifdef defined()'. Fixes the following warning.
CC src/shared/architecture.lo
In file included from src/shared/architecture.c:24:0:
src/shared/architecture.h:89:17: warning: extra tokens at end of #ifdef
directive [enabled by default]
# ifdef defined(WORDS_BIGENDIAN)
^
This permit to switch to a specific apparmor profile when starting a daemon. This
will result in a non operation if apparmor is disabled.
It also add a new build requirement on libapparmor for using this feature.
Currently on at least Fedora, SELinux policy does not come in the
initramfs. systemd will attempt to load *both* in the initramfs and
in the real root.
Now, the selinux_init_load_policy() API has a regular error return
value, as well as an "enforcing" boolean. To determine enforcing
state, it looks for /etc/selinux/config as well as the presence of
"enforcing=" on the kernel command line.
Ordinarily, neither of those exist in the initramfs, so it will return
"unknown" for enforcing, and systemd will simply ignore the failure to
load policy.
Debian Stable is still using glibc 2.13, which doesn't provide the setns().
So we detect this and provide a tiny wrapper that issues the setns syscall
towards the kernel.
gcc (4.8.2, arm) does not understand that journal_file_append_field()
will always set 'fo' when it returns 0, so this warning is bogus.
Anyway, fix it by initialiting fo = NULL.
gcc (4.8.2, arm) doesn't understand that vtable_property_get_userdata()
will always set 'u' when it returns > 0. Hence, the warning is bogus,
but anyway.
src/libsystemd/sd-bus/bus-objects.c:510:19: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
(and yes, indeed, even the reported line numbers are bogus in this case)
Previously the returned object of constructor functions where sometimes
returned as last, sometimes as first and sometimes as second parameter.
Let's clean this up a bit. Here are the new rules:
1. The object the new object is derived from is put first, if there is any
2. The object we are creating will be returned in the next arguments
3. This is followed by any additional arguments
Rationale:
For functions that operate on an object we always put that object first.
Constructors should probably not be too different in this regard. Also,
if the additional parameters might want to use varargs which suggests to
put them last.
Note that this new scheme only applies to constructor functions, not to
all other functions. We do give a lot of freedom for those.
Note that this commit only changes the order of the new functions we
added, for old ones we accept the wrong order and leave it like that.
