From aaa7b8058e56f3c7e79300883e16f90db98b3e55 Mon Sep 17 00:00:00 2001
From: Erik Fleckstein <erik@tinkerforge.com>
Date: Thu, 22 Jul 2021 10:53:32 +0200
Subject: [PATCH] Unbreak integer to string conversion functions. (#5423)

---
 cores/esp32/stdlib_noniso.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/cores/esp32/stdlib_noniso.c b/cores/esp32/stdlib_noniso.c
index e68c92d0513..8f24520dac3 100644
--- a/cores/esp32/stdlib_noniso.c
+++ b/cores/esp32/stdlib_noniso.c
@@ -30,8 +30,7 @@
 #include "stdlib_noniso.h"
 #include "esp_system.h"
 
-#if !CONFIG_DSP_ANSI && !CONFIG_DSP_OPTIMIZED
-void reverse(char* begin, char* end) {
+static void reverse(char* begin, char* end) {
     char *is = begin;
     char *ie = end - 1;
     while(is < ie) {
@@ -42,9 +41,6 @@ void reverse(char* begin, char* end) {
         --ie;
     }
 }
-#else
-void reverse(char* begin, char* end);
-#endif
 
 char* ltoa(long value, char* result, int base) {
     if(base < 2 || base > 16) {