From 8b78688c795213781c0a9725b18ff52258cbbbca Mon Sep 17 00:00:00 2001
From: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
Date: Wed, 3 Feb 2021 10:29:45 +0100
Subject: [PATCH] fix(text): fix out of bounds read in `_lv_txt_get_width`

---
 src/lv_misc/lv_txt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lv_misc/lv_txt.c b/src/lv_misc/lv_txt.c
index fcb9a7d22..e240485b3 100644
--- a/src/lv_misc/lv_txt.c
+++ b/src/lv_misc/lv_txt.c
@@ -357,6 +357,7 @@ lv_coord_t _lv_txt_get_width(const char * txt, uint32_t length, const lv_font_t
 {
     if(txt == NULL) return 0;
     if(font == NULL) return 0;
+    if(txt[0] == '\0') return 0;
 
     uint32_t i                   = 0;
     lv_coord_t width             = 0;