The seed file is updated by entering the old seed into the system and
then hashing the old seed together with data from /dev/urandom, and
writing it atomically with write-to-temporary/rename-to-permanent.
This way, interruption by crash or power loss does not obliterate
your persistent entropy (unless it causes file system corruption).
GCC_NO_FORMAT_TRUNCATION -Wno-format-truncation (GCC 7/8)
GCC_NO_STRINGOP_TRUNCATION -Wno-stringop-truncation (GCC 8)
GCC_NO_STRINGOP_OVERFLOW -Wno-stringop-overflow (GCC 8)
GCC_NO_CAST_FUNCTION_TYPE -Wno-cast-function-type (GCC 8)
use these to turn off warnings for most GCC-8 complaints. many
of these are false positives, most of the real bugs are already
commited, or are yet to come.
we plan to introduce versions of (some?) of these that use the
"-Wno-error=" form, which still displays the warnings but does
not make it an error, and all of the above will be re-considered
as either being "fix me" (warning still displayed) or "warning
is wrong."
configuring default values, retry with a smaller cluster size.
This makes the typical invocation to create a spec conformant EFI boot
partition work out of the box.
otherwise, if DIOCGDISKINFO returns an error != ENXIO getdiskinfo() later
tries to prop_object_release() stack garbage.
found by rumpctrl tests using clang-7.
returntosingle was defined in multiple places:
- fsck_lfs/main.c
- fsck_ffs/main.c
- fsck_ext2fs/main.c
- fsck/fsutil.c
Keep the fsutil.c definition as the only one.
Detected during the build of telned with Address Sanitizer (MKSANITIZER).
First proposed by jmcneill in 2017 and modified by me.
How to use:
- Set callback function:
ether_set_vlan_cb(struct ethercom *, ether_vlancb_t)
- Callback. This function is called when a vlan is attached/detached to the
parent interface:
int (*ether_vlancb_t)(struct ethercom *ec, uint16_t vlanid, bool set);
- ifconfig(8)
ifconfig ixg0 [-]vlan-hwfilter
Note that ETHERCAP_VLAN_HWFILTER is set by default on ixg(4) because
the PF driver usually enable "all block" filter by default.
