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diff --git a/‎libraries/WiFi/src/WiFiClient.cpp
Copy file name to clipboardExpand all lines: libraries/WiFi/src/WiFiClient.cpp
+4-1Lines changed: 4 additions & 1 deletion b/‎libraries/WiFi/src/WiFiClient.cpp
Copy file name to clipboardExpand all lines: libraries/WiFi/src/WiFiClient.cpp
+4-1Lines changed: 4 additions & 1 deletion
@@ -105,7 +105,7 @@ class WiFiClientRxBuffer {
 
     int read(uint8_t * dst, size_t len){
         if(!dst || !len || (_pos == _fill && !fillBuffer())){
-            return -1;
+            return _failed ? -1 : 0;
         }
         size_t a = _fill - _pos;
         if(len <= a || ((len - a) <= (_size - _fill) && fillBuffer() >= (len - a))){
@@ -346,6 +346,9 @@ int WiFiClient::read()
     if(res < 0) {
         return res;
     }
+    if (res == 0) {  //  No data available.
+        return -1;
+    }
     return data;
 }
Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,7 @@ class WiFiClientRxBuffer {`
`105`	`105`
`106`	`106`	`int read(uint8_t * dst, size_t len){`
`107`	`107`	`if(!dst \|\| !len \|\| (_pos == _fill && !fillBuffer())){`
`108`		`- return -1;`
	`108`	`+ return _failed ? -1 : 0;`
`109`	`109`	`}`
`110`	`110`	`size_t a = _fill - _pos;`
`111`	`111`	`if(len <= a \|\| ((len - a) <= (_size - _fill) && fillBuffer() >= (len - a))){`
`@@ -346,6 +346,9 @@ int WiFiClient::read()`
`346`	`346`	`if(res < 0) {`
`347`	`347`	`return res;`
`348`	`348`	`}`
	`349`	`+ if (res == 0) { // No data available.`
	`350`	`+ return -1;`
	`351`	`+ }`
`349`	`352`	`return data;`
`350`	`353`	`}`
`351`	`354`