| abstract
| - Below is the full text to save.c from the source code of NetHack 2.3e. To link to a particular line, write [[NetHack 2.3e/save.c#line123]], for example. Warning! This is the source code from an old release. For the latest release, see Source code 1. /* SCCS Id: @(#)save.c 2.3 88/01/24 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. 4. #include 5. #include 6. #include "hack.h" 7. 8. extern char genocided[60]; /* defined in decl.c */ 9. extern char fut_geno[60]; /* idem */ 10. extern struct permonst pm_wizard; /* since the wizard evolves */ 11. 12. extern char SAVEF[], nul[]; 13. extern char pl_character[PL_CSIZ]; 14. extern long lseek(); 15. extern struct obj *restobjchn(); 16. extern struct monst *restmonchn(); 17. 18. dosave(){ 19. clear_screen(); 20. fflush(stdout); 21. if(dosave0(0)) { 22. settty("Be seeing you ...
"); 23. exit(0); 24. } 25. #ifdef LINT 26. return(0); 27. #endif 28. } 29. 30. #ifndef NOSAVEONHANGUP 31. hangup(){ 32. (void) dosave0(1); 33. exit(1); 34. } 35. #endif 36. 37. /* returns 1 if save successful */ 38. dosave0(hu) int hu; { 39. register fd, ofd; 40. int tmp; /* not register ! */ 41. #ifdef DGK 42. long fds, needed; 43. extern long bytes_counted; 44. int mode; 45. #endif 46. #ifdef UNIX 47. (void) signal(SIGHUP, SIG_IGN); 48. #endif 49. #ifndef __TURBOC__ 50. (void) signal(SIGINT, SIG_IGN); 51. #endif 52. #ifdef DGK 53. if (!saveDiskPrompt(0)) 54. return 0; 55. fd = open(SAVEF, O_WRONLY | O_BINARY | O_CREAT, FMASK); 56. #else 57. fd = creat(SAVEF, FMASK); 58. #endif 59. if(fd < 0) { 60. if(!hu) pline("Cannot open save file. (Continue or Quit)"); 61. (void) unlink(SAVEF); /* ab@unido */ 62. return(0); 63. } 64. if(flags.moonphase == FULL_MOON) /* ut-sally!fletcher */ 65. change_luck(-1); /* and unido!ab */ 66. #ifdef DGKMOD 67. home(); 68. cl_end(); 69. #endif 70. #ifdef DGK 71. msmsg("Saving: "); 72. mode = COUNT; 73. again: 74. savelev(fd, dlevel, mode); 75. /* count_only will be set properly by savelev */ 76. #else 77. savelev(fd,dlevel); 78. #endif 79. saveobjchn(fd, invent); 80. saveobjchn(fd, fcobj); 81. savemonchn(fd, fallen_down); 82. tmp = getuid(); 83. bwrite(fd, (char *) &tmp, sizeof tmp); 84. bwrite(fd, (char *) &flags, sizeof(struct flag)); 85. bwrite(fd, (char *) &dlevel, sizeof dlevel); 86. bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel); 87. bwrite(fd, (char *) &moves, sizeof moves); 88. bwrite(fd, (char *) &u, sizeof(struct you)); 89. #ifdef SPELLS 90. bwrite(fd, (char *) spl_book, sizeof(struct spell) * (MAXSPELL + 1)); 91. #endif 92. if(u.ustuck) 93. bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id); 94. bwrite(fd, (char *) pl_character, sizeof pl_character); 95. bwrite(fd, (char *) genocided, sizeof genocided); 96. bwrite(fd, (char *) fut_geno, sizeof fut_geno); 97. #ifdef HARD 98. bwrite(fd, (char *) &pm_wizard, sizeof(struct permonst)); 99. #endif 100. savenames(fd); 101. #ifdef DGK 102. if (mode == COUNT) { 103. /* make sure there is enough disk space */ 104. needed = bytes_counted; 105. for (tmp = 1; tmp <= maxdlevel; tmp++) 106. if (tmp != dlevel && fileinfo[tmp].where) 107. needed += fileinfo[tmp].size + (sizeof tmp); 108. fds = freediskspace(SAVEF); 109. if (needed > fds) { 110. pline("There is insufficient space on SAVE disk."); 111. pline("Require %ld bytes but only have %ld.", needed, 112. fds); 113. flushout(); 114. (void) close(fd); 115. (void) unlink(SAVEF); 116. return 0; 117. } 118. mode = WRITE; 119. goto again; 120. } 121. #endif 122. for(tmp = 1; tmp <= maxdlevel; tmp++) { 123. extern int hackpid; 124. #ifdef DGK 125. if (tmp == dlevel || !fileinfo[tmp].where) continue; 126. if (fileinfo[tmp].where != ACTIVE) 127. swapin_file(tmp); 128. #else 129. extern boolean level_exists[]; 130. 131. if(tmp == dlevel || !level_exists[tmp]) continue; 132. #endif 133. glo(tmp); 134. #ifdef DGK 135. msmsg("."); 136. #endif 137. if((ofd = open(lock, 0)) < 0) { 138. if(!hu) pline("Error while saving: cannot read %s.", lock); 139. (void) close(fd); 140. (void) unlink(SAVEF); 141. if(!hu) done("tricked"); 142. return(0); 143. } 144. getlev(ofd, hackpid, tmp); 145. (void) close(ofd); 146. bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */ 147. #ifdef DGK 148. savelev(fd,tmp,WRITE); /* actual level */ 149. #else 150. savelev(fd,tmp); /* actual level */ 151. #endif 152. (void) unlink(lock); 153. } 154. (void) close(fd); 155. glo(dlevel); 156. (void) unlink(lock); /* get rid of current level --jgm */ 157. glo(0); 158. (void) unlink(lock); 159. return(1); 160. } 161. 162. dorecover(fd) 163. register fd; 164. { 165. register nfd; 166. int tmp; /* not a register ! */ 167. unsigned mid; /* idem */ 168. struct obj *otmp; 169. extern boolean restoring; 170. #ifdef DGK 171. struct flag oldflags; 172. 173. oldflags = flags; /* Save flags set in the config file */ 174. #endif 175. restoring = TRUE; 176. getlev(fd, 0, 0); 177. invent = restobjchn(fd); 178. for(otmp = invent; otmp; otmp = otmp->nobj) 179. if(otmp->owornmask) 180. setworn(otmp, otmp->owornmask); 181. fcobj = restobjchn(fd); 182. fallen_down = restmonchn(fd); 183. mread(fd, (char *) &tmp, sizeof tmp); 184. #ifdef WIZARD 185. if(!wizard) 186. #endif 187. if(tmp != getuid()) { /* strange ... */ 188. (void) close(fd); 189. (void) unlink(SAVEF); 190. puts("Saved game was not yours."); 191. restoring = FALSE; 192. return(0); 193. } 194. mread(fd, (char *) &flags, sizeof(struct flag)); 195. #ifdef DGK 196. /* Some config file OPTIONS take precedence over those in save file. 197. */ 198. flags.rawio = oldflags.rawio; 199. flags.DECRainbow = oldflags.DECRainbow; 200. flags.IBMBIOS = oldflags.IBMBIOS; 201. #endif 202. mread(fd, (char *) &dlevel, sizeof dlevel); 203. mread(fd, (char *) &maxdlevel, sizeof maxdlevel); 204. mread(fd, (char *) &moves, sizeof moves); 205. mread(fd, (char *) &u, sizeof(struct you)); 206. #ifdef SPELLS 207. mread(fd, (char *) spl_book, sizeof(struct spell) * (MAXSPELL + 1)); 208. #endif 209. if(u.ustuck) 210. mread(fd, (char *) &mid, sizeof mid); 211. mread(fd, (char *) pl_character, sizeof pl_character); 212. mread(fd, (char *) genocided, sizeof genocided); 213. mread(fd, (char *) fut_geno, sizeof fut_geno); 214. #ifdef HARD 215. { 216. /* Save name pointer from being munged -- tom@uw-warp */ 217. char *name = pm_wizard.mname; 218. mread(fd, (char *) &pm_wizard, sizeof(struct permonst)); 219. pm_wizard.mname = name; 220. } 221. #endif 222. restnames(fd); 223. #ifdef DGK 224. msmsg("
"); 225. cl_end(); 226. msmsg("You got as far as level %d%s.
", maxdlevel, 227. flags.debug ? " in WIZARD mode" : ""); 228. cl_end(); 229. msmsg("Restoring: "); 230. #endif 231. while(1) { 232. if(read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp) 233. break; 234. getlev(fd, 0, tmp); 235. glo(tmp); 236. #ifdef DGK 237. msmsg("."); 238. nfd = open(lock, O_WRONLY | O_BINARY | O_CREAT | O_TRUNC, FMASK); 239. #else 240. nfd = creat(lock, FMASK); 241. #endif 242. if (nfd < 0) panic("Cannot open temp file %s!
", lock); 243. #ifdef DGK 244. if (!savelev(nfd, tmp, COUNT | WRITE)) { 245. 246. /* The savelev can't proceed because the size required 247. * is greater than the available disk space. 248. */ 249. msmsg("
Not enough space on `%s' to restore your game.
", 250. levels); 251. 252. /* Remove levels and bones that may have been created. 253. */ 254. (void) close(nfd); 255. eraseall(levels, alllevels); 256. eraseall(levels, allbones); 257. 258. /* Perhaps the person would like to play without a 259. * RAMdisk. 260. */ 261. if (ramdisk) { 262. /* PlaywoRAMdisk may not return, but if it does 263. * it is certain that ramdisk will be 0. 264. */ 265. playwoRAMdisk(); 266. (void) lseek(fd, 0L, 0); /* Rewind save file */ 267. return dorecover(fd); /* and try again */ 268. } else { 269. msmsg("Be seeing you ...
"); 270. exit(0); 271. } 272. } 273. #else 274. savelev(nfd,tmp); 275. #endif 276. (void) close(nfd); 277. } 278. (void) lseek(fd, 0L, 0); 279. getlev(fd, 0, 0); 280. (void) close(fd); 281. (void) unlink(SAVEF); 282. if(Punished) { 283. for(otmp = fobj; otmp; otmp = otmp->nobj) 284. if(otmp->olet == CHAIN_SYM) goto chainfnd; 285. panic("Cannot find the iron chain?"); 286. chainfnd: 287. uchain = otmp; 288. if(!uball){ 289. for(otmp = fobj; otmp; otmp = otmp->nobj) 290. if(otmp->olet == BALL_SYM && otmp->spe) 291. goto ballfnd; 292. panic("Cannot find the iron ball?"); 293. ballfnd: 294. uball = otmp; 295. } 296. } 297. if(u.ustuck) { 298. register struct monst *mtmp; 299. 300. for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) 301. if(mtmp->m_id == mid) goto monfnd; 302. panic("Cannot find the monster ustuck."); 303. monfnd: 304. u.ustuck = mtmp; 305. } 306. #ifndef QUEST 307. setsee(); /* only to recompute seelx etc. - these weren't saved */ 308. #endif 309. #ifdef DGK 310. gameDiskPrompt(); 311. #endif 312. docrt(); 313. restoring = FALSE; 314. return(1); 315. } 316. 317. struct obj * 318. restobjchn(fd) 319. register fd; 320. { 321. register struct obj *otmp, *otmp2; 322. register struct obj *first = 0; 323. int xl; 324. #ifdef LINT 325. /* suppress "used before set" warning from lint */ 326. otmp2 = 0; 327. #endif 328. while(1) { 329. mread(fd, (char *) &xl, sizeof(xl)); 330. if(xl == -1) break; 331. otmp = newobj(xl); 332. if(!first) first = otmp; 333. else otmp2->nobj = otmp; 334. mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj)); 335. if(!otmp->o_id) otmp->o_id = flags.ident++; 336. otmp2 = otmp; 337. } 338. if(first && otmp2->nobj){ 339. impossible("Restobjchn: error reading objchn."); 340. otmp2->nobj = 0; 341. } 342. return(first); 343. } 344. 345. struct monst * 346. restmonchn(fd) 347. register fd; 348. { 349. register struct monst *mtmp, *mtmp2; 350. register struct monst *first = 0; 351. int xl; 352. 353. struct permonst *monbegin; 354. long differ; 355. 356. mread(fd, (char *)&monbegin, sizeof(monbegin)); 357. #ifndef MSDOS 358. differ = (char *)(&mons[0]) - (char *)(monbegin); 359. #else 360. differ = (long)(&mons[0]) - (long)(monbegin); 361. #endif 362. 363. #ifdef LINT 364. /* suppress "used before set" warning from lint */ 365. mtmp2 = 0; 366. #endif 367. while(1) { 368. mread(fd, (char *) &xl, sizeof(xl)); 369. if(xl == -1) break; 370. mtmp = newmonst(xl); 371. if(!first) first = mtmp; 372. else mtmp2->nmon = mtmp; 373. mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst)); 374. if(!mtmp->m_id) 375. mtmp->m_id = flags.ident++; 376. #ifndef MSDOS 377. mtmp->data = (struct permonst *) 378. ((char *) mtmp->data + differ); 379. #else 380. mtmp->data = (struct permonst *) 381. ((long) mtmp->data + differ); 382. #endif 383. if(mtmp->minvent) 384. mtmp->minvent = restobjchn(fd); 385. mtmp2 = mtmp; 386. } 387. if(first && mtmp2->nmon){ 388. impossible("Restmonchn: error reading monchn."); 389. mtmp2->nmon = 0; 390. } 391. return(first); 392. }
|
![[RDF Data]](/fct/images/sw-rdf-blue.png)