From 28d06b03543a9c809d22784f9648607a2f369585 Mon Sep 17 00:00:00 2001
From: Paul <35396688+paulh002@users.noreply.github.com>
Date: Mon, 20 Dec 2021 15:57:03 +0100
Subject: [PATCH] fix(dropdown): in lv_dropdpwn_get_selected_str handle if
 there are no options (#2925)

* fix lv_dropdown_get_selected_str

* fix lv_dropdown_get_selected_str

* fix lv_dropdown_get_selected_str
---
 src/widgets/lv_dropdown.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/widgets/lv_dropdown.c b/src/widgets/lv_dropdown.c
index 6b7906ffd..a4382602e 100644
--- a/src/widgets/lv_dropdown.c
+++ b/src/widgets/lv_dropdown.c
@@ -372,7 +372,15 @@ void lv_dropdown_get_selected_str(const lv_obj_t * obj, char * buf, uint32_t buf
 
     uint32_t i;
     uint32_t line        = 0;
-    size_t txt_len     = strlen(dropdown->options);
+    size_t txt_len;
+
+    if(dropdown->options)  {
+        txt_len     = strlen(dropdown->options);
+    }
+    else {
+        buf[0] = '\0';
+        return;
+    }
 
     for(i = 0; i < txt_len && line != dropdown->sel_opt_id_orig; i++) {
         if(dropdown->options[i] == '\n') line++;