+bool is_valid(struct game_t valgame)
+{
+ /* Save files can be roughly grouped into three groups:
+ * With valid, reaceable state, with valid, but unreachable
+ * state and with invaild state. We check that state is
+ * valid: no states are outside minimal or maximal value
+ */
+
+ /* Bounds check for locations
+ */
+ if ( valgame.chloc < -1 || valgame.chloc > NLOCATIONS ||
+ valgame.chloc < -1 || valgame.chloc > NLOCATIONS ||
+ valgame.loc < -1 || valgame.loc > NLOCATIONS ||
+ valgame.newloc < -1 || valgame.newloc > NLOCATIONS ||
+ valgame.oldloc < -1 || valgame.oldloc > NLOCATIONS ||
+ valgame.oldloc < -1 || valgame.oldloc > NLOCATIONS) {
+ return false;
+ }
+ /* Bounds check for location arrays
+ */
+ for (int i = 0; i <= NDWARVES; i++) {
+ if (valgame.dloc[i] < -1 || valgame.dloc[i] > NLOCATIONS ||
+ valgame.odloc[i] < -1 || valgame.odloc[i] > NLOCATIONS) {
+ return false;
+ }
+ }
+
+ for (int i = 0; i <= NOBJECTS; i++) {
+ if (valgame.place[i] < -1 || valgame.place[i] > NLOCATIONS ||
+ valgame.fixed[i] < -1 || valgame.fixed[i] > NLOCATIONS) {
+ return false;
+ }
+ }
+ return true;
+}
+
+/* end */
\ No newline at end of file