From f0ea11b50b78c7ffe92c1c304beb4a66b9630b97 Mon Sep 17 00:00:00 2001 From: Viktor Szakats Date: Mon, 1 Jan 2024 15:29:33 +0000 Subject: [PATCH] asyn-thread: silence `-Wcast-align` warning for Windows Seen with llvm/clang 17: ``` lib/asyn-thread.c:310:5: warning: cast from 'PCHAR' (aka 'char *') to 'struct thread_sync_data *' increases required alignment from 1 to 8 [-Wcast-align] 310 | CONTAINING_RECORD(overlapped, struct thread_sync_data, w8.overlapped); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .../llvm-mingw/aarch64-w64-mingw32/include/winnt.h:717:48: note: expanded from macro 'CONTAINING_RECORD' 717 | #define CONTAINING_RECORD(address,type,field) ((type *)((PCHAR)(address) - (ULONG_PTR)(&((type *)0)->field))) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` Follow-up to a6bbc87f9e9ffb46a1801dfb983e7534825ed56b #12482 Ref: https://github.com/curl/curl/pull/12482#issuecomment-1873017261 Closes #12615 --- lib/asyn-thread.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/asyn-thread.c b/lib/asyn-thread.c index 8646d72e93..d4d382add9 100644 --- a/lib/asyn-thread.c +++ b/lib/asyn-thread.c @@ -302,8 +302,15 @@ query_complete(DWORD err, DWORD bytes, LPWSAOVERLAPPED overlapped) struct Curl_addrinfo *ca; struct Curl_addrinfo *cafirst = NULL; struct Curl_addrinfo *calast = NULL; +#ifdef __clang__ +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wcast-align" +#endif struct thread_sync_data *tsd = CONTAINING_RECORD(overlapped, struct thread_sync_data, w8.overlapped); +#ifdef __clang__ +#pragma clang diagnostic pop +#endif struct thread_data *td = tsd->td; const ADDRINFOEXW_ *res = tsd->w8.res; int error = (int)err; -- 2.47.3