From 8065fcabc35006c55b42a8771fa7cdedf4f31a8d Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Sun, 20 Feb 2022 12:24:54 -0500
Subject: Make sure new cap is actually larger than new length

---
 edit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'edit.c')

diff --git a/edit.c b/edit.c
index b0bdb23..a8f5d4a 100644
--- a/edit.c
+++ b/edit.c
@@ -75,7 +75,8 @@ int editReserve(struct Edit *e, size_t index, size_t count) {
 		return -1;
 	}
 	if (e->len + count > e->cap) {
-		size_t cap = (e->cap ? e->cap * 2 : 256);
+		size_t cap = (e->cap ?: 256);
+		while (cap < e->len + count) cap *= 2;
 		wchar_t *buf = realloc(e->buf, sizeof(*buf) * cap);
 		if (!buf) return -1;
 		e->buf = buf;
-- 
cgit 1.4.1