Matrix Struktur und clearMatrix implementiert

Startcode/matrix.c

@@ -6,12 +6,33 @@
 
 Matrix createMatrix(unsigned int rows, unsigned int cols)
 {
-    
+
+    Matrix matrix;
+
+    matrix.rows = rows;
+    matrix.cols = cols;
+
+    matrix.buffer = calloc(rows * cols, sizeof(MatrixType));
+
+    if  (matrix.buffer == NULL) {
+
+        matrix.rows = 0;
+        matrix.cols = 0;
+    }
+
+    return matrix;
+
 }
 
 void clearMatrix(Matrix *matrix)
 {
-    
+    free(matrix->buffer);
+
+    matrix->buffer = NULL;
+    matrix->rows = 0;
+    matrix->cols = 0;
+
+
 }
 
 void setMatrixAt(MatrixType value, Matrix matrix, unsigned int rowIdx, unsigned int colIdx)