1 files changed, 14 insertions, 1 deletions
diff --git a/labb5/src/Boggle.cpp b/labb5/src/Boggle.cpp
index 9da2947..9ae2d94 100755
--- a/labb5/src/Boggle.cpp
+++ b/labb5/src/Boggle.cpp
@@ -89,7 +89,15 @@ bool Boggle::board_from_string(const string& letters) {
 
     for (int y = 0; y < BOARD_SIZE; y++) {
         for (int x = 0; x < BOARD_SIZE; x++) {
-            char c = letters[BOARD_SIZE*y + x];
+            unsigned char c = letters[BOARD_SIZE*y + x];
+            if (c >= 'a' && c <= 'z') {
+                c = std::toupper(c);
+            } else if (c >= 'A' && c <= 'Z') {
+                // do nothing
+            } else {
+                clear();
+                return false;
+            }
             board[y][x] = c;
         }
     }
@@ -97,6 +105,11 @@ bool Boggle::board_from_string(const string& letters) {
 }
 
 void Boggle::clear() {
+    for (int y = 0; y < BOARD_SIZE; y++) {
+        for (int x = 0; x < BOARD_SIZE; x++) {
+            board[y][x] = '\0';
+        }
+    }
     user_words.clear();
     computer_words.clear();
     user_score = 0;