From 87dacc4092305b0bc81165712aa0027c4b0063d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Tue, 20 Oct 2020 15:32:16 +0200
Subject: text: avoid invalid pointer arithmetic

---
 text.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'text.c')

diff --git a/text.c b/text.c
index 95d0ad8..51cb442 100644
--- a/text.c
+++ b/text.c
@@ -803,8 +803,8 @@ static bool iterator_init(Iterator *it, size_t pos, Piece *p, size_t off) {
 		.pos = pos,
 		.piece = p,
 		.start = p ? p->data : NULL,
-		.end = p ? p->data + p->len : NULL,
-		.text = p ? p->data + off : NULL,
+		.end = p && p->data ? p->data + p->len : NULL,
+		.text = p && p->data ? p->data + off : NULL,
 	};
 	*it = iter;
 	return text_iterator_valid(it);
-- 
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