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authorDavid Gibson <david@gibson.dropbear.id.au>2024-08-06 16:18:38 +1000
committerStefano Brivio <sbrivio@redhat.com>2024-08-07 09:16:29 +0200
commit2c7558dc43741850353a9739e08b48b25216ae1a (patch)
treef7837f721c79604152e0abeec40a300bdcde03d5 /pcap.h
parentb91bae1ded2822484085239eaba7823ac7434d69 (diff)
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log: Handle errors from clock_gettime()
clock_gettime() can, theoretically, fail, although it probably won't until 2038 on old 32-bit systems. Still, it's possible someone could run with a wildly out of sync clock, or new errors could be added, or it could fail due to a bug in libc or the kernel. We don't handle this well. In the debug_print case in vlogmsg we'll just ignore the failure, and print a timestamp based on uninitialised garbage. In logfile_write() we exit early and won't log anything at all, which seems like a good way to make an already weird situation undebuggable. Add some helpers to instead handle this by using "<error>" in place of a timestamp if something goes wrong with clock_gettime(). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'pcap.h')
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