File 0312-erts-Fix-printing-of-non-printable-characters.patch of Package erlang

From 1da39b4ec40aa43222d2b57bf2f3b7edd3a172ce Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Fri, 28 Jan 2022 17:38:59 +0100
Subject: [PATCH 12/34] erts: Fix printing of non-printable characters

---
 erts/emulator/drivers/unix/ttsl_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c
index 08ab714153..3fb5bdb8fb 100644
--- a/erts/emulator/drivers/unix/ttsl_drv.c
+++ b/erts/emulator/drivers/unix/ttsl_drv.c
@@ -1166,8 +1166,9 @@ static int write_buf(Uint32 *s, int n, int next_char_is_crnl)
 	    --n;
 	    ++s;
 	} else if (*s & CONTROL_TAG) {
+            byte c = (byte)*s;
 	    outc('^');
-	    outc(lastput = ((byte) ((*s == 0177) ? '?' : *s | 0x40)));
+	    outc(lastput = ((byte) ((c == 0177 ? '?' : c | 0x40))));
 	    n -= 2;
 	    s += 2;
 	} else if (*s & ESCAPED_TAG) {
-- 
2.35.3