git: 5fc8ed931360 - main - makefs: Quiet a -Wdangling-pointer warning in cd9660_generate_path_table

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Wed, 15 Nov 2023 02:37:46 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=5fc8ed9313609fbafe505deaea253e6bde5ac165

commit 5fc8ed9313609fbafe505deaea253e6bde5ac165
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2023-11-15 02:35:44 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-11-15 02:35:44 +0000

    makefs: Quiet a -Wdangling-pointer warning in cd9660_generate_path_table
    
    This function temporarily stores a pointer to an on-stack variable (a
    TAILQ_HEAD of a temporary list) into a global variable (*n).
    
    Reviewed by:    imp
    Differential Revision:  https://reviews.freebsd.org/D42581
---
 usr.sbin/makefs/Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/usr.sbin/makefs/Makefile b/usr.sbin/makefs/Makefile
index 9c690fa7e704..c0f4469d29f1 100644
--- a/usr.sbin/makefs/Makefile
+++ b/usr.sbin/makefs/Makefile
@@ -49,4 +49,9 @@ LIBADD=		netbsd util sbuf
 HAS_TESTS=
 SUBDIR.${MK_TESTS}+= tests
 
+# cd9660_generate_path_table adds a global variable to an on-stack
+# TAILQ which temporarily stores a pointer to the on-stack TAILQ head
+# in the global
+CWARNFLAGS.cd9660.c+= ${NO_WDANGLING_POINTER}
+
 .include <bsd.prog.mk>