hasty bugfix and moved board functions to own directory

src/utils/utils.c

@@ -39,6 +39,24 @@ void sleep_ms(const int ms) {
   usleep(ms * 1000);
 }
 
+void setBoardBorders(char board[][brdInfo.x]) {
+  for (int i = 0; i < brdInfo.y; i++) {
+    for (int j = 0; j < brdInfo.x; j++) {
+      if (i == 0 || i == brdInfo.y - 1)
+        board[i][j] = '-';
+      else if (j == 0 || j == brdInfo.x - 1)
+        board[i][j] = '|';
+      else
+        board[i][j] = ' ';
+    }
+  }
+
+  board[0][0] = '+';
+  board[brdInfo.y - 1][0] = '+';
+  board[0][brdInfo.x - 1] = '+';
+  board[brdInfo.y - 1][brdInfo.x - 1] = '+';
+}
+
 void printBoard(char board[][brdInfo.x]) {
   for (int i = 0; i < brdInfo.y; i++) {
     for (int j = 0; j < brdInfo.x; j++) {

src/utils/utils.h

@@ -10,6 +10,7 @@ int randomInt(const int start, const int end, const unsigned int seed);
 int randomX(const clock_t initClock);
 int randomY(const clock_t initClock);
 void sleep_ms(const int ms);
+void setBoardBorders(char board[][brdInfo.x]);
 void printBoard(char board[][brdInfo.x]);
 
 #endif  // UTILS_H_