From bce34cba07bcfed9cd519a658e594c9910c8f210 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@FreeBSD.org>
Date: Thu, 1 Feb 2024 14:10:37 +0100
Subject: [PATCH] bintrans: Fix uninitialized variable.

`prev` may be used uninitialized if `body` starts with a newline.

MFC after:	1 week
Sponsored by:	Klara, Inc.
Reviewed by:	bapt, emaste
Differential Revision:	https://reviews.freebsd.org/D43534
---
 usr.bin/bintrans/qp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.bin/bintrans/qp.c b/usr.bin/bintrans/qp.c
index 74fa1ec3ae9..33aabb35a10 100644
--- a/usr.bin/bintrans/qp.c
+++ b/usr.bin/bintrans/qp.c
@@ -90,9 +90,9 @@ decode_quoted_printable(const char *body, FILE *fpo)
 static void
 encode_quoted_printable(const char *body, FILE *fpo)
 {
-	char prev;
 	const char *end = body + strlen(body);
 	size_t linelen = 0;
+	char prev = '\0';
 
 	while (*body != '\0') {
 		if (linelen == 75) {