MatrixFree + release memory for debug purposes

includes/matrix.h

@@ -31,4 +31,9 @@ void PrintMatrixRow(matrix_t *matrix, size_t row);
 //      row_len         The number of entries in one row.
 matrix_t ParseMatrix(size_t row_len);
 
+// Releases the memory associated to the given matrix.
+//
+// Usage after free results in undefined behaviour.
+void MatrixFree(matrix_t *matrix);
+
 #endif  // ACED_INCLUDES_MATRIX_H_

src/main.c

@@ -158,13 +158,32 @@ int main(int argc, char *argv[]) {
     }  // For loop over rhs_i
   }    // For loop over lhs_i
 
+
+
   // Print every unique row
   for (size_t i = 0; i < row_count; i++) {
     if (!seen[i]) {
       PrintMatrixRow(&matrix, i);
     }
   }
+
+#ifndef RELEASE
+  // Free all the mmeory so the sanitizer is happy.
+  free(seen);
+  free(cg_buf);
+  free(p_buf);
+  PermutationFree(&a_in_perm);
+  PermutationFree(&b_in_perm);
+  for (size_t i = 0; i < a_in; i++) {
+    PermutationFree(a_out_perms + i);
   }
+  free(a_out_perms);
+  for (size_t i = 0; i < b_in; i++) {
+    PermutationFree(b_out_perms + i);
+  }
+  free(b_out_perms);
+  MatrixFree(&matrix);
+#endif
 
   return EXIT_SUCCESS;
 }

src/matrix.c

@@ -166,4 +166,8 @@ matrix_t ParseMatrix(size_t row_len) {
   compact_buffers(&matrix);
 
   return matrix;
+}
+
+void MatrixFree(matrix_t *matrix) {
+  free(matrix->head);
 }