From d71ce25492c012e831bef0fb735a3162aa57e5af Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 13 Jun 2024 13:01:31 +0200
Subject: [PATCH] Fix "%hhi" conversion for kvprintf()

The signedness of "char" is implementation-dependent.
---
 sys/kern/subr_prf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/subr_prf.c b/sys/kern/subr_prf.c
index e291a1fa00a62b..4dc989e2d1f1c0 100644
--- a/sys/kern/subr_prf.c
+++ b/sys/kern/subr_prf.c
@@ -904,7 +904,7 @@ reswitch:	switch (ch = (u_char)*fmt++) {
 			else if (hflag)
 				num = (short)va_arg(ap, int);
 			else if (cflag)
-				num = (char)va_arg(ap, int);
+				num = (signed char)va_arg(ap, int);
 			else
 				num = va_arg(ap, int);
 number: