fix memory leak

4 files changed, 9 insertions, 2 deletions

diff --git a/lcdprint.cpp b/lcdprint.cpp
index 7fa432d..8de92b3 100644
--- a/lcdprint.cpp
+++ b/lcdprint.cpp
@@ -21,11 +21,12 @@
 #include "lcdprint.h"
 #include "font.h"
 
-size_t uprint(utf8 str, LiquidCrystal *lcd)
+size_t uprint(char* rawstr, LiquidCrystal *lcd)
 {
   int32_t ucode;
   int i, j;
   int numcodes = sizeof(charmap)/sizeof(charcode);
+  utf8 str = utf8(rawstr);
   char result[str.chars];
 
   for (i = 0; i < str.chars; i++) {
diff --git a/lcdprint.h b/lcdprint.h
index 86dbfcc..bcc95f6 100644
--- a/lcdprint.h
+++ b/lcdprint.h
@@ -22,6 +22,6 @@
 
 #include "utf8.h"
 
-size_t uprint (utf8, LiquidCrystal*);
+size_t uprint (char*, LiquidCrystal*);
 
 #endif
diff --git a/utf8.cpp b/utf8.cpp
index ea28922..745e888 100644
--- a/utf8.cpp
+++ b/utf8.cpp
@@ -42,6 +42,11 @@ utf8::utf8 (char* input)
   _index = 0;
 }
 
+utf8::~utf8 ()
+{
+  free(string);
+}
+
 int32_t utf8::get()
 {
   int32_t code;
diff --git a/utf8.h b/utf8.h
index dd4cd9b..d10557d 100644
--- a/utf8.h
+++ b/utf8.h
@@ -25,6 +25,7 @@
 class utf8 {
   public:
     utf8(char* string);
+    ~utf8(void);
     uint16_t chars;
     uint16_t bytes;
     int32_t get();