File _service:tar_scm:backport-clang-0015-sunrpc-Sup... of Package glibc

File _service:tar_scm:backport-clang-0015-sunrpc-Suppress-clang-warning-on-struct-cmessage.patch of Package glibc

From bf8a8e23506d26b79d03b4e23661e2a5a37d6990 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Thu, 10 Mar 2022 14:08:06 -0300
Subject: [PATCH] sunrpc: Suppress clang warning on struct cmessage

clang complains if a flexible array member (struct cmsghdr) is not a
the end of the struct (since it is a GNU extension).  The __msgread
explicit expects that 'struct ucred' is after the 'cmsg', so suppress
the warning.
---
 sunrpc/svc_unix.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sunrpc/svc_unix.c b/sunrpc/svc_unix.c
index be247f748c..9426850e4b 100644
--- a/sunrpc/svc_unix.c
+++ b/sunrpc/svc_unix.c
@@ -65,6 +65,7 @@
 #include <libintl.h>
 #include <wchar.h>
 #include <shlib-compat.h>
+#include <libc-diag.h>
 
 /*
  * Ops vector for AF_UNIX based rpc service handle
@@ -308,12 +309,18 @@ svcunix_destroy (SVCXPRT *xprt)
 }
 
 #ifdef SCM_CREDENTIALS
+/* clang complains if a flexible array member (struct cmsghdr) is not a the
+   end of the struct (since it is a GNU extension).  The __msgread explicit
+   expects that 'struct ucred' is after the 'cmsg', so disable the warning.  */
+DIAG_PUSH_NEEDS_COMMENT_CLANG;
+DIAG_IGNORE_NEEDS_COMMENT_CLANG (13, "-Wgnu-variable-sized-type-not-at-end");
 struct cmessage {
   struct cmsghdr cmsg;
   struct ucred cmcred;
   /* hack to make sure we have enough memory */
   char dummy[(CMSG_ALIGN (sizeof (struct ucred)) - sizeof (struct ucred) + sizeof (long))];
 };
+DIAG_POP_NEEDS_COMMENT_CLANG;
 
 /* XXX This is not thread safe, but since the main functions in svc.c
    and the rpcgen generated *_svc functions for the daemon are also not
-- 
2.39.3