From b1b77a658f1f361928264ad43671cf76f45b0882 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Sat, 6 May 2017 18:30:38 +0300
Subject: [PATCH] WiFiClient::peek should return -1 instead of 0

Fixes: https://github.com/espressif/arduino-esp32/issues/329
---
 libraries/WiFi/src/WiFiClient.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/WiFi/src/WiFiClient.h b/libraries/WiFi/src/WiFiClient.h
index da8355fe..5b10db7d 100644
--- a/libraries/WiFi/src/WiFiClient.h
+++ b/libraries/WiFi/src/WiFiClient.h
@@ -49,7 +49,7 @@ public:
     int read(uint8_t *buf, size_t size);
     int peek()
     {
-        return 0;
+        return -1;
     }
     void flush();
     void stop();