From 24893c37ae18618089eff8a9bf38f604ae23b96e Mon Sep 17 00:00:00 2001
From: Gabor Kiss-Vamosi <kisvegabor@gmail.com>
Date: Mon, 19 Sep 2022 14:00:39 +0200
Subject: [PATCH] chore: fix warnings

---
 src/core/lv_obj.c                  |  2 +-
 src/widgets/checkbox/lv_checkbox.c |  2 +-
 src/widgets/tabview/lv_tabview.c   | 10 +++++-----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/core/lv_obj.c b/src/core/lv_obj.c
index dd50e2ec1..7366f75d4 100644
--- a/src/core/lv_obj.c
+++ b/src/core/lv_obj.c
@@ -153,7 +153,7 @@ void lv_init(void)
     lv_img_cache_set_size(LV_IMG_CACHE_DEF_SIZE);
 #endif
     /*Test if the IDE has UTF-8 encoding*/
-    char * txt = "Á";
+    const char * txt = "Á";
 
     uint8_t * txt_u8 = (uint8_t *)txt;
     if(txt_u8[0] != 0xc3 || txt_u8[1] != 0x81 || txt_u8[2] != 0x00) {
diff --git a/src/widgets/checkbox/lv_checkbox.c b/src/widgets/checkbox/lv_checkbox.c
index c2a909b7c..54fbd8abb 100644
--- a/src/widgets/checkbox/lv_checkbox.c
+++ b/src/widgets/checkbox/lv_checkbox.c
@@ -122,7 +122,7 @@ static void lv_checkbox_constructor(const lv_obj_class_t * class_p, lv_obj_t * o
 
     lv_checkbox_t * cb = (lv_checkbox_t *)obj;
 
-    cb->txt = "Check box";
+    cb->txt = (char *)"Check box";
     cb->static_txt = 1;
     lv_obj_add_flag(obj, LV_OBJ_FLAG_CLICKABLE);
     lv_obj_add_flag(obj, LV_OBJ_FLAG_CHECKABLE);
diff --git a/src/widgets/tabview/lv_tabview.c b/src/widgets/tabview/lv_tabview.c
index d449a3098..b49007ce4 100644
--- a/src/widgets/tabview/lv_tabview.c
+++ b/src/widgets/tabview/lv_tabview.c
@@ -85,7 +85,7 @@ lv_obj_t * lv_tabview_add_tab(lv_obj_t * obj, const char * name)
         lv_memcpy(new_map, old_map, sizeof(const char *) * (tab_id - 1));
         new_map[tab_id - 1] = lv_malloc(strlen(name) + 1);
         strcpy((char *)new_map[tab_id - 1], name);
-        new_map[tab_id] = "";
+        new_map[tab_id] = (char *)"";
     }
     /*left or right dir*/
     else {
@@ -94,12 +94,12 @@ lv_obj_t * lv_tabview_add_tab(lv_obj_t * obj, const char * name)
         if(tabview->tab_cnt == 0) {
             new_map[0] = lv_malloc(strlen(name) + 1);
             strcpy((char *)new_map[0], name);
-            new_map[1] = "";
+            new_map[1] = (char *)"";
         }
         else {
-            new_map[tab_id * 2 - 3] = "\n";
+            new_map[tab_id * 2 - 3] = (char *)"\n";
             new_map[tab_id * 2 - 2] = lv_malloc(strlen(name) + 1);
-            new_map[tab_id * 2 - 1] = "";
+            new_map[tab_id * 2 - 1] = (char *)"";
             strcpy((char *)new_map[(tab_id * 2) - 2], name);
         }
     }
@@ -224,7 +224,7 @@ static void lv_tabview_constructor(const lv_obj_class_t * class_p, lv_obj_t * ob
 
     lv_btnmatrix_set_one_checked(btnm, true);
     tabview->map = lv_malloc(sizeof(const char *));
-    tabview->map[0] = "";
+    tabview->map[0] = (char *)"";
     lv_btnmatrix_set_map(btnm, (const char **)tabview->map);
     lv_obj_add_event_cb(btnm, btns_value_changed_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
     lv_obj_add_flag(btnm, LV_OBJ_FLAG_EVENT_BUBBLE);