Berry input() returns empty string and does not crash (#21565)

CHANGELOG.md

@@ -13,6 +13,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 
 ### Fixed
+- Berry `input()` returns empty string and does not crash
 
 ### Removed
 

lib/libesp32/berry_tasmota/src/be_port.cpp

@@ -216,7 +216,10 @@ extern "C" {
 
 BERRY_API char* be_readstring(char *buffer, size_t size)
 {
-    return be_fgets(stdin, buffer, (int)size);
+    if ((size > 0) && (buffer != NULL)) {
+        *buffer = 0;
+    }
+    return buffer;
 }
 
 /* use the standard library implementation file API. */