refactoring: tolower

firmware/hw_layer/mmc_card.cpp

@@ -207,17 +207,6 @@ static void removeFile(const char *pathx) {
 	unlockSpi();
 }
 
-/*
-** return lower-case of c if upper-case, else c
-*/
-int mytolower(const char c)  {
-
-  if(c<='Z' &&  c>='A') return (c+32);
-  return (c);
-
-}
-
-
 int
     mystrncasecmp(const char *s1, const char *s2, size_t n)
     {

firmware/util/efilib.cpp

@@ -250,6 +250,13 @@ bool strEqualCaseInsensitive(const char *str1, const char *str2) {
 	return true;
 }
 
+/*
+** return lower-case of c if upper-case, else c
+*/
+int mytolower(const char c) {
+  return TO_LOWER(c);
+}
+
 bool strEqual(const char *str1, const char *str2) {
 	// todo: there must be a standard function?!
 	int len1 = strlen(str1);