- DATIME(&i,&K);
- K=i+650*K;
- SAVWRD(kk,K);
- K=VRSION;
- SAVWRD(0,K);
- if (K != VRSION) {
- SETPRM(1,K/10,MOD(K,10));
- SETPRM(3,VRSION/10,MOD(VRSION,10));
- RSPEAK(269);
- return(2000);
- }
- /* Herewith are all the variables whose values can change during a game,
- * omitting a few (such as I, J) whose values between turns are
- * irrelevant and some whose values when a game is
- * suspended or resumed are guaranteed to match. If unsure whether a value
- * needs to be saved, include it. Overkill can't hurt. Pad the last savwds
- * with junk variables to bring it up to 7 values. */
- SAVWDS(game.abbnum,game.blklin,game.bonus,game.clock1,game.clock2,game.closed,game.closng);
- SAVWDS(game.detail,game.dflag,game.dkill,game.dtotal,game.foobar,game.holdng,game.iwest);
- SAVWDS(game.knfloc,game.limit,K,game.lmwarn,game.loc,game.newloc,game.numdie);
- SAVWDS(K,game.oldlc2,game.oldloc,game.oldobj,game.panic,game.saved,game.setup);
- SAVWDS(SPK,game.tally,game.thresh,game.trndex,game.trnluz,game.turns,OBJTXT[OYSTER]);
- SAVWDS(K,WD1,WD1X,WD2,game.wzdark,game.zzword,OBJSND[BIRD]);
- SAVWDS(OBJTXT[SIGN],game.clshnt,game.novice,K,K,K,K);
- SAVARR(game.abbrev,LOCSIZ);
- SAVARR(game.atloc,LOCSIZ);
- SAVARR(game.dloc,NDWARVES);
- SAVARR(game.dseen,NDWARVES);
- SAVARR(game.fixed,NOBJECTS);
- SAVARR(game.hinted,HNTSIZ);
- SAVARR(game.hintlc,HNTSIZ);
- SAVARR(game.link,NOBJECTS*2);
- SAVARR(game.odloc,NDWARVES);
- SAVARR(game.place,NOBJECTS);
- SAVARR(game.prop,NOBJECTS);
- SAVWRD(kk,K);
- if (K != 0) {
- RSPEAK(270);
- exit(0);
- }
- K=NUL;
- game.zzword=RNDVOC(3,game.zzword);
- if (kk > 0) return(8);
- RSPEAK(266);
- exit(0);
+ /* Prevent division by zero */
+ if (valgame.abbnum == 0) {
+ return false; // LCOV_EXCL_LINE
+ }
+
+ /* Check for RNG overflow. Truncate */
+ if (valgame.lcg_x >= LCG_M) {
+ valgame.lcg_x %= LCG_M; // LCOV_EXCL_LINE
+ }
+
+ /* Check for RNG underflow. Transpose */
+ if (valgame.lcg_x < LCG_M) {
+ valgame.lcg_x = LCG_M + (valgame.lcg_x % LCG_M);
+ }
+
+ /* Bounds check for locations */
+ if ( valgame.chloc < -1 || valgame.chloc > NLOCATIONS ||
+ valgame.chloc2 < -1 || valgame.chloc2 > NLOCATIONS ||
+ valgame.loc < 0 || valgame.loc > NLOCATIONS ||
+ valgame.newloc < 0 || valgame.newloc > NLOCATIONS ||
+ valgame.oldloc < 0 || valgame.oldloc > NLOCATIONS ||
+ valgame.oldlc2 < 0 || valgame.oldlc2 > NLOCATIONS) {
+ return false; // LCOV_EXCL_LINE
+ }
+ /* Bounds check for location arrays */
+ for (int i = 0; i <= NDWARVES; i++) {
+ if (valgame.dwarves[i].loc < -1 || valgame.dwarves[i].loc > NLOCATIONS ||
+ valgame.dwarves[i].oldloc < -1 || valgame.dwarves[i].oldloc > NLOCATIONS) {
+ return false; // LCOV_EXCL_LINE
+ }
+ }
+
+ for (int i = 0; i <= NOBJECTS; i++) {
+ if (valgame.objects[i].place < -1 || valgame.objects[i].place > NLOCATIONS ||
+ valgame.objects[i].fixed < -1 || valgame.objects[i].fixed > NLOCATIONS) {
+ return false; // LCOV_EXCL_LINE
+ }
+ }
+
+ /* Bounds check for dwarves */
+ if (valgame.dtotal < 0 || valgame.dtotal > NDWARVES ||
+ valgame.dkill < 0 || valgame.dkill > NDWARVES) {
+ return false; // LCOV_EXCL_LINE
+ }
+
+ /* Validate that we didn't die too many times in save */
+ if (valgame.numdie >= NDEATHS) {
+ return false; // LCOV_EXCL_LINE
+ }
+
+ /* Recalculate tally, throw the towel if in disagreement */
+ int temp_tally = 0;
+ for (int treasure = 1; treasure <= NOBJECTS; treasure++) {
+ if (objects[treasure].is_treasure) {
+ if (PROP_IS_NOTFOUND2(valgame, treasure)) {
+ ++temp_tally;
+ }
+ }
+ }
+ if (temp_tally != valgame.tally) {
+ return false; // LCOV_EXCL_LINE
+ }
+
+ /* Check that properties of objects aren't beyond expected */
+ for (obj_t obj = 0; obj <= NOBJECTS; obj++) {
+ if (PROP_IS_INVALID(valgame.objects[obj].prop)) {
+ return false; // LCOV_EXCL_LINE
+ }
+ }
+
+ /* Check that values in linked lists for objects in locations are inside bounds */
+ for (loc_t loc = LOC_NOWHERE; loc <= NLOCATIONS; loc++) {
+ if (valgame.locs[loc].atloc < NO_OBJECT || valgame.locs[loc].atloc > NOBJECTS * 2) {
+ return false; // LCOV_EXCL_LINE
+ }
+ }
+ for (obj_t obj = 0; obj <= NOBJECTS * 2; obj++ ) {
+ if (valgame.link[obj] < NO_OBJECT || valgame.link[obj] > NOBJECTS * 2) {
+ return false; // LCOV_EXCL_LINE
+ }
+ }
+
+ return true;