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authorDavid Gibson <david@gibson.dropbear.id.au>2023-09-21 14:49:39 +1000
committerStefano Brivio <sbrivio@redhat.com>2023-09-27 17:26:06 +0200
commitc1d2a070f282a95316e8f045e8959856518ab2f0 (patch)
tree2a1f68cfa6e58f304dd3bbbfbf2c94408a5d8c52 /siphash.h
parent5b6c68c2e4995b94110b62e9e8346fb372451e31 (diff)
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util: Consolidate and improve workarounds for clang-tidy issue 58992
We have several workarounds for a clang-tidy bug where the checker doesn't recognize that a number of system calls write to - and therefore initialise - a socket address. We can't neatly use a suppression, because the bogus warning shows up some time after the actual system call, when we access a field of the socket address which clang-tidy erroneously thinks is uninitialised. Consolidate these workarounds into one place by using macros to implement wrappers around affected system calls which add a memset() of the sockaddr to silence clang-tidy. This removes the need for the individual memset() workarounds at the callers - and the somewhat longwinded explanatory comments. We can then use a #define to not include the hack in "real" builds, but only consider it for clang-tidy. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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