From: Johan Malm <jgm323@gmail.com>
Date: Thu, 7 Nov 2024 21:08:09 +0000 (+0000)
Subject: buf.c: fix off by one bug in buf_add_char()
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=7e50c60b003618729554777e61abda6ca935dc4b;p=proto%2Flabwc.git

buf.c: fix off by one bug in buf_add_char()

Written-by: @Consolatis

Fixes: #2313
---

diff --git a/src/common/buf.c b/src/common/buf.c
index 70be9ed0..1e103fae 100644
--- a/src/common/buf.c
+++ b/src/common/buf.c
@@ -144,7 +144,7 @@ buf_add(struct buf *s, const char *data)
 void
 buf_add_char(struct buf *s, char ch)
 {
-	buf_expand(s, s->len + 1);
+	buf_expand(s, s->len + 2);
 	s->data[s->len++] = ch;
 	s->data[s->len] = '\0';
 }