Few ESP specific fixes

Author: CurlyMoo

src/rules/rules.cpp

@@ -421,6 +421,9 @@ static int16_t lexer_peek(char **text, uint16_t skip, uint8_t *type, uint16_t *s
   uint8_t loop = 1;
 
   while(loop) {
+#ifdef ESP8266
+    ESP.wdtFeed();;
+#endif
     *type = getval((*text)[i]);
     *start = i;
     *len = 0;
@@ -5321,8 +5324,8 @@ int8_t rule_initialize(struct pbuf *input, struct rules_t ***rules, uint8_t *nrr
 /*LCOV_EXCL_STOP*/
 
   if(rule_prepare((char **)&input->payload, &bcsize, &heapsize, &varsize, &memsize, &newlen) == -1 ||
-    (varsize/sizeof(struct vm_vchar_t)/2) > INT8_MAX) {
-    if(varsize/sizeof(struct vm_vchar_t)/2 > INT8_MAX) {
+    (varsize/sizeof(struct vm_vchar_t)) > INT8_MAX) {
+    if(varsize/sizeof(struct vm_vchar_t) > INT8_MAX) {
       logprintf_P(F("ERROR: maximum number of 127 variables reached"));
     }
     if((*rules = (struct rules_t **)REALLOC(*rules, sizeof(struct rules_t **)*((*nrrules)))) == NULL) {