From b89b08cf411db2373b9254b8e27caa308f0b5bde Mon Sep 17 00:00:00 2001
From: Adam Saponara <as@php.net>
Date: Tue, 17 Dec 2024 22:52:59 -0500
Subject: [PATCH] fix egc memory error

this was copying too many bytes to the dest cell (8-bytes for a
pointer vs 4-bytes for a uint32_t).
---
 termbox2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/termbox2.h b/termbox2.h
index 30ed32f..0860a0e 100644
--- a/termbox2.h
+++ b/termbox2.h
@@ -3324,7 +3324,7 @@ static int cell_set(struct tb_cell *cell, uint32_t *ch, size_t nch,
     } else {
         int rv;
         if_err_return(rv, cell_reserve_ech(cell, nch + 1));
-        memcpy(cell->ech, ch, sizeof(ch) * nch);
+        memcpy(cell->ech, ch, sizeof(*ch) * nch);
         cell->ech[nch] = '\0';
         cell->nech = nch;
     }