Mark functions as __dead2 in order to help the LLVM static checker

understand which code paths aren't possible.

This commit eliminates 117 false positive bug reports of the form
"allocate memory; error out if pointer is NULL; use pointer".

1 files changed, 1 insertions, 1 deletions

diff --git a/usr.bin/tar/bsdtar.h b/usr.bin/tar/bsdtar.h
index dbbdbdc..eee53a9 100644
--- a/usr.bin/tar/bsdtar.h
+++ b/usr.bin/tar/bsdtar.h
@@ -103,7 +103,7 @@ struct bsdtar {
 };
 
 void	bsdtar_errc(struct bsdtar *, int _eval, int _code,
-	    const char *fmt, ...);
+	    const char *fmt, ...) __dead2;
 void	bsdtar_warnc(struct bsdtar *, int _code, const char *fmt, ...);
 void	cleanup_exclusions(struct bsdtar *);
 void	do_chdir(struct bsdtar *);