From 4144d546420212d0fbfd8d6179f71724d97104fc Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Wed, 28 Sep 2016 22:05:18 +0200
Subject: [PATCH] Fix implementation of lwip_itoa to take more parameters

---
 src/core/def.c         | 11 ++++++-----
 src/include/lwip/def.h |  2 +-
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/core/def.c b/src/core/def.c
index 7d91a3b1..05785486 100644
--- a/src/core/def.c
+++ b/src/core/def.c
@@ -183,17 +183,18 @@ lwip_strnicmp(const char* str1, const char* str2, size_t len)
 
 #ifndef lwip_itoa
 void
-lwip_itoa(int value, char* result)
+lwip_itoa(char* result, size_t bufsize, int number)
 {
   const int base = 10;
   char* ptr = result, *ptr1 = result, tmp_char;
   int tmp_value;
+  LWIP_UNUSED_ARG(bufsize);
 
   do {
-    tmp_value = value;
-    value /= base;
-    *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz"[35 + (tmp_value - value * base)];
-  } while(value);
+    tmp_value = number;
+    number /= base;
+    *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz"[35 + (tmp_value - number * base)];
+  } while(number);
 
    /* Apply negative sign */
   if (tmp_value < 0) {
diff --git a/src/include/lwip/def.h b/src/include/lwip/def.h
index 7b431b6f..95d2d70c 100644
--- a/src/include/lwip/def.h
+++ b/src/include/lwip/def.h
@@ -139,7 +139,7 @@ u32_t lwip_ntohl(u32_t x);
  * in your application, too.
  */
 #ifndef lwip_itoa
-void  lwip_itoa(int value, char* result);
+void  lwip_itoa(char* result, size_t bufsize, int number);
 #endif
 #ifndef lwip_strnicmp
 int   lwip_strnicmp(const char* str1, const char* str2, size_t len);