Fix command processing

Fix commands ``Display`` and ``Counter`` from overruling command processing (#7322)

RELEASENOTES.md

@@ -52,16 +52,6 @@ The following binary downloads have been compiled with ESP8266/Arduino library c
 
 ## Changelog
 
-### Version 8.1.0 Doris
+### Version 8.1.0.1
 
-- Change Settings text handling allowing variable length text within a total text pool of 699 characters
-- Change Smoother ``Fade`` using 100Hz instead of 20Hz animation (#7179)
-- Change number of rule ``Var``s and ``Mem``s from 5 to 16 (#4933)
-- Change number of ``FriendlyName``s from 4 to 8
-- Add commands ``WebButton1`` until ``WebButton16`` to support user defined GUI button text (#7166)
-- Add support for max 150 characters in most command parameter strings (#3686, #4754)
-- Add support for GPS as NTP server by Christian Baars and Adrian Scillato
-- Add support for ``AdcParam`` parameters to control ADC0 Moisture formula by Federico Leoni (#7309)
-- Add Zigbee coalesce sensor attributes into a single message
-- Add Zigbee better support for Xiaomi Double Switch and Xiaomi Vibration sensor
-- Add Deepsleep start delay based on Teleperiod if ``Teleperiod`` differs from 10 or 300
+- Fix commands ``Display`` and ``Counter`` from overruling command processing (#7322)

tasmota/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ### 8.1.0.1 20191225
 
+- Fix commands ``Display`` and ``Counter`` from overruling command processing (#7322)
+
 ## Released
 
 ### 8.1.0 20191225

tasmota/support.ino

@@ -731,6 +731,13 @@ bool DecodeCommand(const char* haystack, void (* const MyCommand[])(void))
 {
   GetTextIndexed(XdrvMailbox.command, CMDSZ, 0, haystack);  // Get prefix if available
   int prefix_length = strlen(XdrvMailbox.command);
+  if (prefix_length) {
+    char prefix[prefix_length +1];
+    snprintf_P(prefix, sizeof(prefix), XdrvMailbox.topic);  // Copy prefix part only
+    if (strcasecmp(prefix, XdrvMailbox.command)) {
+      return false;                                         // Prefix not in command
+    }
+  }
   int command_code = GetCommandCode(XdrvMailbox.command + prefix_length, CMDSZ, XdrvMailbox.topic + prefix_length, haystack);
   if (command_code > 0) {                                   // Skip prefix
     XdrvMailbox.command_code = command_code -1;