From a6a85dc2cf66fa9e526e299ffda3461b596638b7 Mon Sep 17 00:00:00 2001
From: Michele Bini <michele.bini@gmail.com>
Date: Sat, 28 May 2022 16:51:33 +0200
Subject: Revert "rm chance for dynamic allocation during firmware update"

This reverts commit 0315ea7b8f51ccd480dc56da4ec114a1b9008e3c.

diff --git a/src/displayapp/screens/FirmwareUpdate.cpp b/src/displayapp/screens/FirmwareUpdate.cpp
index c20af38..0a8544b 100644
--- a/src/displayapp/screens/FirmwareUpdate.cpp
+++ b/src/displayapp/screens/FirmwareUpdate.cpp
@@ -81,8 +81,7 @@ void FirmwareUpdate::DisplayProgression() const {
   float current = bleController.FirmwareUpdateCurrentBytes() / 1024.0f;
   float total = bleController.FirmwareUpdateTotalBytes() / 1024.0f;
   int16_t pc = (current / total) * 100.0f;
-  sprintf(percentStr, "%d %%", pc);
-  lv_label_set_text_static(percentLabel, percentStr);
+  lv_label_set_text_fmt(percentLabel, "%d %%", pc);
 
   lv_bar_set_value(bar1, pc, LV_ANIM_OFF);
 }
diff --git a/src/displayapp/screens/FirmwareUpdate.h b/src/displayapp/screens/FirmwareUpdate.h
index a61178c..5156b7e 100644
--- a/src/displayapp/screens/FirmwareUpdate.h
+++ b/src/displayapp/screens/FirmwareUpdate.h
@@ -24,7 +24,6 @@ namespace Pinetime {
         lv_obj_t* bar1;
         lv_obj_t* percentLabel;
         lv_obj_t* titleLabel;
-        mutable char percentStr[10];
 
         States state = States::Idle;
 
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