| File: | src/games/adventure/io.c |
| Warning: | line 565, column 3 Value stored to 'save' is never read |
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| 1 | /* $OpenBSD: io.c,v 1.23 2017/06/23 12:56:25 fcambus Exp $ */ |
| 2 | /* $NetBSD: io.c,v 1.3 1995/04/24 12:21:37 cgd Exp $ */ |
| 3 | |
| 4 | /*- |
| 5 | * Copyright (c) 1991, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * |
| 8 | * The game adventure was originally written in Fortran by Will Crowther |
| 9 | * and Don Woods. It was later translated to C and enhanced by Jim |
| 10 | * Gillogly. This code is derived from software contributed to Berkeley |
| 11 | * by Jim Gillogly at The Rand Corporation. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * 3. Neither the name of the University nor the names of its contributors |
| 22 | * may be used to endorse or promote products derived from this software |
| 23 | * without specific prior written permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 35 | * SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | /* Re-coding of advent in C: file i/o and user i/o */ |
| 39 | |
| 40 | #include <err.h> |
| 41 | #include <stdio.h> |
| 42 | #include <stdlib.h> |
| 43 | |
| 44 | #include "extern.h" |
| 45 | #include "hdr.h" |
| 46 | |
| 47 | /* Get command from user. No prompt, usually. */ |
| 48 | void |
| 49 | getin(char *wrd1, size_t siz1, char *wrd2, size_t siz2) |
| 50 | { |
| 51 | char *s, *slast; |
| 52 | int ch, first; |
| 53 | |
| 54 | *wrd2 = 0; /* in case it isn't set here */ |
| 55 | for (s = wrd1, first = 1, slast = wrd1 + siz1 - 1;;) { |
| 56 | if ((ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0])))) >= 'A' && ch <= 'Z') |
| 57 | ch = ch - ('A' - 'a'); |
| 58 | /* convert to upper case */ |
| 59 | switch (ch) { /* start reading from user */ |
| 60 | case '\n': |
| 61 | *s = 0; |
| 62 | return; |
| 63 | case ' ': |
| 64 | if (s == wrd1 || s == wrd2) /* initial blank */ |
| 65 | continue; |
| 66 | *s = 0; |
| 67 | if (first) { /* finished 1st wd; start 2nd */ |
| 68 | first = 0; |
| 69 | s = wrd2; |
| 70 | slast = wrd2 + siz2 - 1; |
| 71 | break; |
| 72 | } else { /* finished 2nd word */ |
| 73 | FLUSHLINEdo { int c; while ((c = (!__isthreaded ? (--((&__sF[0]))-> _r < 0 ? __srget((&__sF[0])) : (int)(*((&__sF[0])) ->_p++)) : (getc)((&__sF[0])))) != (-1) && c != '\n'); } while (0); |
| 74 | *s = 0; |
| 75 | return; |
| 76 | } |
| 77 | case EOF(-1): |
| 78 | printf("user closed input stream, quitting...\n"); |
| 79 | exit(0); |
| 80 | default: |
| 81 | if (s == slast) { /* string too long */ |
| 82 | printf("Give me a break!!\n"); |
| 83 | *wrd1 = *wrd2 = 0; |
| 84 | FLUSHLINEdo { int c; while ((c = (!__isthreaded ? (--((&__sF[0]))-> _r < 0 ? __srget((&__sF[0])) : (int)(*((&__sF[0])) ->_p++)) : (getc)((&__sF[0])))) != (-1) && c != '\n'); } while (0); |
| 85 | return; |
| 86 | } |
| 87 | *s++ = ch; |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | int |
| 93 | yes(int x, int y, int z) /* confirm with rspeak */ |
| 94 | { |
| 95 | int result; |
| 96 | int ch; |
| 97 | |
| 98 | for (;;) { |
| 99 | rspeak(x); /* tell him what we want*/ |
| 100 | if ((ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0]))))=='y') |
| 101 | result = TRUE1; |
| 102 | else if (ch=='n') |
| 103 | result = FALSE0; |
| 104 | else if (ch == EOF(-1)) { |
| 105 | printf("user closed input stream, quitting...\n"); |
| 106 | exit(0); |
| 107 | } |
| 108 | if (ch != '\n') |
| 109 | FLUSHLINEdo { int c; while ((c = (!__isthreaded ? (--((&__sF[0]))-> _r < 0 ? __srget((&__sF[0])) : (int)(*((&__sF[0])) ->_p++)) : (getc)((&__sF[0])))) != (-1) && c != '\n'); } while (0); |
| 110 | if (ch == 'y' || ch == 'n') |
| 111 | break; |
| 112 | printf("Please answer the question.\n"); |
| 113 | } |
| 114 | if (result == TRUE1) |
| 115 | rspeak(y); |
| 116 | if (result == FALSE0) |
| 117 | rspeak(z); |
| 118 | return (result); |
| 119 | } |
| 120 | |
| 121 | int |
| 122 | yesm(int x, int y, int z) /* confirm with mspeak */ |
| 123 | { |
| 124 | int result; |
| 125 | int ch; |
| 126 | |
| 127 | for (;;) { |
| 128 | mspeak(x); /* tell him what we want */ |
| 129 | if ((ch = getchar()(!__isthreaded ? (--((&__sF[0]))->_r < 0 ? __srget( (&__sF[0])) : (int)(*((&__sF[0]))->_p++)) : (getc) ((&__sF[0])))) == 'y') |
| 130 | result = TRUE1; |
| 131 | else if (ch == 'n') |
| 132 | result = FALSE0; |
| 133 | else if (ch == EOF(-1)) { |
| 134 | printf("user closed input stream, quitting...\n"); |
| 135 | exit(0); |
| 136 | } |
| 137 | if (ch != '\n') |
| 138 | FLUSHLINEdo { int c; while ((c = (!__isthreaded ? (--((&__sF[0]))-> _r < 0 ? __srget((&__sF[0])) : (int)(*((&__sF[0])) ->_p++)) : (getc)((&__sF[0])))) != (-1) && c != '\n'); } while (0); |
| 139 | if (ch == 'y' || ch == 'n') |
| 140 | break; |
| 141 | printf("Please answer the question.\n"); |
| 142 | } |
| 143 | if (result == TRUE1) |
| 144 | mspeak(y); |
| 145 | if (result == FALSE0) |
| 146 | mspeak(z); |
| 147 | return (result); |
| 148 | } |
| 149 | |
| 150 | /* FILE *inbuf,*outbuf; */ |
| 151 | |
| 152 | char *inptr; /* Pointer into virtual disk */ |
| 153 | |
| 154 | int outsw = 0; /* putting stuff to data file? */ |
| 155 | |
| 156 | const char iotape[] = "Ax3F'\003tt$8h\315qer*h\017nGKrX\207:!l"; |
| 157 | const char *tape = iotape; /* pointer to obfuscation tape */ |
| 158 | |
| 159 | int |
| 160 | next(void) /* next virtual char, bump adr */ |
| 161 | { |
| 162 | int ch; |
| 163 | |
| 164 | ch=(*inptr ^ random()) & 0xFF; /* Deobfuscate input data */ |
| 165 | if (outsw) { /* putting data in tmp file */ |
| 166 | if (*tape == 0) |
| 167 | tape = iotape; /* rewind obfuscation tape */ |
| 168 | *inptr = ch ^ *tape++; /* re-obfuscate and replace value */ |
| 169 | } |
| 170 | inptr++; |
| 171 | return (ch); |
| 172 | } |
| 173 | |
| 174 | char breakch; /* tell which char ended rnum */ |
| 175 | |
| 176 | void |
| 177 | rdata(void) /* "read" data from virtual file */ |
| 178 | { |
| 179 | int sect; |
| 180 | char ch; |
| 181 | |
| 182 | inptr = data_file; /* Pointer to virtual data file */ |
| 183 | |
| 184 | clsses = 1; |
| 185 | for (;;) { /* read data sections */ |
| 186 | sect = next() - '0'; /* 1st digit of section number */ |
| 187 | #ifdef VERBOSE |
| 188 | printf("Section %c", sect + '0'); |
| 189 | #endif |
| 190 | if ((ch = next()) != LF012) { /* is there a second digit? */ |
| 191 | FLUSHLFwhile (next()!=012); |
| 192 | #ifdef VERBOSE |
| 193 | putchar(ch)(!__isthreaded ? __sputc(ch, (&__sF[1])) : (putc)(ch, (& __sF[1]))); |
| 194 | #endif |
| 195 | sect = 10 * sect + ch - '0'; |
| 196 | } |
| 197 | #ifdef VERBOSE |
| 198 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 199 | #endif |
| 200 | switch (sect) { |
| 201 | case 0: /* finished reading database */ |
| 202 | return; |
| 203 | case 1: /* long form descriptions */ |
| 204 | rdesc(1); |
| 205 | break; |
| 206 | case 2: /* short form descriptions */ |
| 207 | rdesc(2); |
| 208 | break; |
| 209 | case 3: /* travel table */ |
| 210 | rtrav(); |
| 211 | break; |
| 212 | case 4: /* vocabulary */ |
| 213 | rvoc(); |
| 214 | break; |
| 215 | case 5: /* object descriptions */ |
| 216 | rdesc(5); |
| 217 | break; |
| 218 | case 6: /* arbitrary messages */ |
| 219 | rdesc(6); |
| 220 | break; |
| 221 | case 7: /* object locations */ |
| 222 | rlocs(); |
| 223 | break; |
| 224 | case 8: /* action defaults */ |
| 225 | rdflt(); |
| 226 | break; |
| 227 | case 9: /* liquid assets */ |
| 228 | rliq(); |
| 229 | break; |
| 230 | case 10: /* class messages */ |
| 231 | rdesc(10); |
| 232 | break; |
| 233 | case 11: /* hints */ |
| 234 | rhints(); |
| 235 | break; |
| 236 | case 12: /* magic messages */ |
| 237 | rdesc(12); |
| 238 | break; |
| 239 | default: |
| 240 | printf("Invalid data section number: %d\n", sect); |
| 241 | for (;;) |
| 242 | putchar(next())(!__isthreaded ? __sputc(next(), (&__sF[1])) : (putc)(next (), (&__sF[1]))); |
| 243 | } |
| 244 | if (breakch != LF012) /* routines return after "-1" */ |
| 245 | FLUSHLFwhile (next()!=012); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | char nbf[12]; |
| 250 | |
| 251 | |
| 252 | int |
| 253 | rnum(void) /* read initial location num */ |
| 254 | { |
| 255 | char *s; |
| 256 | |
| 257 | tape = iotape; /* restart obfuscation tape */ |
| 258 | for (s = nbf, *s = 0;; s++) |
| 259 | if ((*s = next()) == TAB011 || *s == '\n' || *s == LF012) |
| 260 | break; |
| 261 | breakch = *s; /* save char for rtrav() */ |
| 262 | *s = 0; /* got the number as ascii */ |
| 263 | if (nbf[0] == '-') |
| 264 | return (-1); /* end of data */ |
| 265 | return (atoi(nbf)); /* convert it to integer */ |
| 266 | } |
| 267 | |
| 268 | char *seekhere; |
| 269 | |
| 270 | void |
| 271 | rdesc(int sect) /* read description-format msgs */ |
| 272 | { |
| 273 | int locc; |
| 274 | char *seekstart, *maystart; |
| 275 | |
| 276 | seekhere = inptr; /* Where are we in virtual file?*/ |
| 277 | outsw = 1; /* these msgs go into tmp file */ |
| 278 | for (oldloc = -1, seekstart = seekhere;;) { |
| 279 | maystart = inptr; /* maybe starting new entry */ |
| 280 | if ((locc = rnum()) != oldloc && oldloc >= 0 /* finished msg */ |
| 281 | && !(sect == 5 && (locc == 0 || locc >= 100)))/* unless sect 5*/ |
| 282 | { |
| 283 | switch (sect) { /* now put it into right table */ |
| 284 | case 1: /* long descriptions */ |
| 285 | ltext[oldloc].seekadr = seekhere; |
| 286 | ltext[oldloc].txtlen = maystart - seekstart; |
| 287 | break; |
| 288 | case 2: /* short descriptions */ |
| 289 | stext[oldloc].seekadr = seekhere; |
| 290 | stext[oldloc].txtlen = maystart - seekstart; |
| 291 | break; |
| 292 | case 5: /* object descriptions */ |
| 293 | ptext[oldloc].seekadr = seekhere; |
| 294 | ptext[oldloc].txtlen = maystart - seekstart; |
| 295 | break; |
| 296 | case 6: /* random messages */ |
| 297 | if (oldloc >= RTXSIZ205) |
| 298 | errx(1, "Too many random msgs"); |
| 299 | rtext[oldloc].seekadr = seekhere; |
| 300 | rtext[oldloc].txtlen = maystart - seekstart; |
| 301 | break; |
| 302 | case 10:/* class messages */ |
| 303 | ctext[clsses].seekadr = seekhere; |
| 304 | ctext[clsses].txtlen = maystart - seekstart; |
| 305 | cval[clsses++] = oldloc; |
| 306 | break; |
| 307 | case 12:/* magic messages */ |
| 308 | if (oldloc >= MAGSIZ35) |
| 309 | errx(1, "Too many magic msgs"); |
| 310 | mtext[oldloc].seekadr = seekhere; |
| 311 | mtext[oldloc].txtlen = maystart - seekstart; |
| 312 | break; |
| 313 | default: |
| 314 | errx(1, "rdesc called with bad section"); |
| 315 | } |
| 316 | seekhere += maystart - seekstart; |
| 317 | } |
| 318 | if (locc < 0) { |
| 319 | outsw = 0; /* turn off output */ |
| 320 | seekhere += 3; /* -1<delimiter> */ |
| 321 | return; |
| 322 | } |
| 323 | if (sect != 5 || (locc > 0 && locc < 100)) { |
| 324 | if (oldloc != locc)/* starting a new message */ |
| 325 | seekstart = maystart; |
| 326 | oldloc = locc; |
| 327 | } |
| 328 | FLUSHLFwhile (next()!=012); /* scan the line */ |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | |
| 333 | void |
| 334 | rtrav(void) /* read travel table */ |
| 335 | { |
| 336 | int locc; |
| 337 | struct travlist *t; |
| 338 | char *s; |
| 339 | char buf[12]; |
| 340 | int len, m, n, entries; |
| 341 | |
| 342 | for (oldloc = -1;;) { /* get another line */ |
| 343 | if ((locc = rnum()) != oldloc && oldloc >= 0) { /* end of entry */ |
| 344 | t->next = NULL((void *)0); /* terminate the old entry */ |
| 345 | /* printf("%d:%d entries\n", oldloc, entries); */ |
| 346 | /* twrite(oldloc); */ |
| 347 | } |
| 348 | if (locc == -1) |
| 349 | return; |
| 350 | if (locc != oldloc) { /* getting a new entry */ |
| 351 | t = travel[locc] = calloc(1, sizeof(*t)); |
| 352 | if (t == NULL((void *)0)) |
| 353 | err(1, NULL((void *)0)); |
| 354 | /* printf("New travel list for %d\n", locc); */ |
| 355 | entries = 0; |
| 356 | oldloc = locc; |
| 357 | } |
| 358 | for (s = buf; ; s++) /* get the newloc number /ASCII */ |
| 359 | if ((*s = next()) == TAB011 || *s == LF012) |
| 360 | break; |
| 361 | *s = 0; |
| 362 | len = length(buf)(strlen((buf)) + 1) - 1; /* quad long number handling */ |
| 363 | /* printf("Newloc: %s (%d chars)\n", buf, len); */ |
| 364 | if (len < 4) { /* no "m" conditions */ |
| 365 | m = 0; |
| 366 | n = atoi(buf); /* newloc mod 1000 = newloc */ |
| 367 | } else { /* a long integer */ |
| 368 | n = atoi(buf + len - 3); |
| 369 | buf[len - 3] = 0; /* terminate newloc/1000*/ |
| 370 | m = atoi(buf); |
| 371 | } |
| 372 | while (breakch != LF012) { /* only do one line at a time */ |
| 373 | if (t == NULL((void *)0)) |
| 374 | errx(1, "corrupt file"); |
| 375 | if (entries++) { |
| 376 | t->next = calloc(1, sizeof (*t->next)); |
| 377 | if (t->next == NULL((void *)0)) |
| 378 | err(1, NULL((void *)0)); |
| 379 | t = t->next; |
| 380 | } |
| 381 | t->tverb = rnum();/* get verb from the file */ |
| 382 | t->tloc = n; /* table entry mod 1000 */ |
| 383 | t->conditions = m;/* table entry / 1000 */ |
| 384 | /* printf("entry %d for %d\n", entries, locc); */ |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | #ifdef DEBUG |
| 390 | |
| 391 | void |
| 392 | twrite(int loq) /* travel options from this loc */ |
| 393 | { |
| 394 | struct travlist *t; |
| 395 | |
| 396 | printf("If"); |
| 397 | speak(<ext[loq]); |
| 398 | printf("then\n"); |
| 399 | for (t = travel[loq]; t != 0; t = t->next) { |
| 400 | printf("verb %d takes you to ", t->tverb); |
| 401 | if (t->tloc <= 300) |
| 402 | speak(<ext[t->tloc]); |
| 403 | else if (t->tloc <= 500) |
| 404 | printf("special code %d\n", t->tloc - 300); |
| 405 | else |
| 406 | rspeak(t->tloc - 500); |
| 407 | printf("under conditions %d\n", t->conditions); |
| 408 | } |
| 409 | } |
| 410 | #endif /* DEBUG */ |
| 411 | |
| 412 | void |
| 413 | rvoc(void) |
| 414 | { |
| 415 | char *s; /* read the vocabulary */ |
| 416 | int index; |
| 417 | char buf[6]; |
| 418 | |
| 419 | for (;;) { |
| 420 | index = rnum(); |
| 421 | if (index < 0) |
| 422 | break; |
| 423 | for (s = buf, *s = 0;; s++) /* get the word */ |
| 424 | if ((*s = next()) == TAB011 || *s == '\n' || *s == LF012 |
| 425 | || *s == ' ') |
| 426 | break; |
| 427 | /* terminate word with newline, LF, tab, blank */ |
| 428 | if (*s != '\n' && *s != LF012) |
| 429 | FLUSHLFwhile (next()!=012); /* can be comments */ |
| 430 | *s = 0; |
| 431 | /* printf("\"%s\"=%d\n", buf, index);*/ |
| 432 | vocab(buf, -2, index); |
| 433 | } |
| 434 | /* prht(); */ |
| 435 | } |
| 436 | |
| 437 | |
| 438 | void |
| 439 | rlocs(void) /* initial object locations */ |
| 440 | { |
| 441 | for (;;) { |
| 442 | if ((obj = rnum()) < 0) |
| 443 | break; |
| 444 | plac[obj] = rnum(); /* initial loc for this obj */ |
| 445 | if (breakch == TAB011) /* there's another entry */ |
| 446 | fixd[obj] = rnum(); |
| 447 | else |
| 448 | fixd[obj] = 0; |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | void |
| 453 | rdflt(void) /* default verb messages */ |
| 454 | { |
| 455 | for (;;) { |
| 456 | if ((verb = rnum()) < 0) |
| 457 | break; |
| 458 | actspk[verb] = rnum(); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | void |
| 463 | rliq(void) /* liquid assets &c: cond bits */ |
| 464 | { |
| 465 | int bitnum; |
| 466 | |
| 467 | for (;;) { /* read new bit list */ |
| 468 | if ((bitnum = rnum()) < 0) |
| 469 | break; |
| 470 | for (;;) { /* read locs for bits */ |
| 471 | cond[rnum()] |= setbit[bitnum]; |
| 472 | if (breakch == LF012) |
| 473 | break; |
| 474 | } |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | void |
| 479 | rhints(void) |
| 480 | { |
| 481 | int hintnum, i; |
| 482 | |
| 483 | hntmax = 0; |
| 484 | for (;;) { |
| 485 | if ((hintnum = rnum()) < 0) |
| 486 | break; |
| 487 | for (i = 1; i < 5; i++) |
| 488 | hints[hintnum][i] = rnum(); |
| 489 | if (hintnum > hntmax) |
| 490 | hntmax = hintnum; |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | |
| 495 | void |
| 496 | rspeak(int msg) |
| 497 | { |
| 498 | if (msg != 0) |
| 499 | speak(&rtext[msg]); |
| 500 | } |
| 501 | |
| 502 | |
| 503 | void |
| 504 | mspeak(int msg) |
| 505 | { |
| 506 | if (msg != 0) |
| 507 | speak(&mtext[msg]); |
| 508 | } |
| 509 | |
| 510 | /* |
| 511 | * Read, deobfuscate, and print a message (not ptext) |
| 512 | * msg is a pointer to seek address and length of mess |
| 513 | */ |
| 514 | void |
| 515 | speak(const struct text *msg) |
| 516 | { |
| 517 | char *s, nonfirst; |
| 518 | |
| 519 | s = msg->seekadr; |
| 520 | nonfirst = 0; |
| 521 | while (s - msg->seekadr < msg->txtlen) { /* read a line at a time */ |
| 522 | tape = iotape; /* restart deobfuscation tape */ |
| 523 | while ((*s++ ^ *tape++) != TAB011); /* read past loc num */ |
| 524 | /* assume tape is longer than location number */ |
| 525 | /* plus the lookahead put together */ |
| 526 | if ((*s ^ *tape) == '>' && |
| 527 | (*(s + 1) ^ *(tape + 1)) == '$' && |
| 528 | (*(s + 2) ^ *(tape + 2)) == '<') |
| 529 | break; |
| 530 | if (blklin && !nonfirst++) |
| 531 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 532 | do { |
| 533 | if (*tape == 0) |
| 534 | tape = iotape;/* rewind decryp tape */ |
| 535 | putchar(*s ^ *tape)(!__isthreaded ? __sputc(*s ^ *tape, (&__sF[1])) : (putc) (*s ^ *tape, (&__sF[1]))); |
| 536 | } while ((*s++ ^ *tape++) != LF012); /* better end with LF */ |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | /* |
| 541 | * Read, deobfuscate, and print a ptext message |
| 542 | * msg is the number of all the p msgs for this place |
| 543 | * assumes object 1 doesn't have prop 1, obj 2 no prop 2 &c |
| 544 | */ |
| 545 | void |
| 546 | pspeak(int m, int skip) |
| 547 | { |
| 548 | char *s, nonfirst; |
| 549 | char *numst, save; |
| 550 | struct text *msg; |
| 551 | char *tbuf; |
| 552 | |
| 553 | msg = &ptext[m]; |
| 554 | if ((tbuf = malloc(msg->txtlen + 1)) == 0) |
| 555 | err(1, NULL((void *)0)); |
| 556 | memcpy(tbuf, msg->seekadr, msg->txtlen + 1); /* Room to null */ |
| 557 | s = tbuf; |
| 558 | |
| 559 | nonfirst = 0; |
| 560 | while (s - tbuf < msg->txtlen) { /* read line at a time */ |
| 561 | tape = iotape; /* restart dobfuscation tape */ |
| 562 | for (numst = s; (*s ^= *tape++) != TAB011; s++) |
| 563 | ; /* get number */ |
| 564 | |
| 565 | save = *s; /* Temporarily trash the string (cringe) */ |
Value stored to 'save' is never read | |
| 566 | *s++ = 0; /* deobfuscation number within the string */ |
| 567 | |
| 568 | if (atoi(numst) != 100 * skip && skip >= 0) { |
| 569 | while ((*s++ ^ * tape++) != LF012) /* flush the line */ |
| 570 | if (*tape == 0) |
| 571 | tape = iotape; |
| 572 | continue; |
| 573 | } |
| 574 | if ((*s^ * tape) == '>' && (*(s + 1) ^ * (tape + 1)) == '$' && |
| 575 | (*(s + 2) ^ * (tape + 2)) == '<') |
| 576 | break; |
| 577 | if (blklin && !nonfirst++) |
| 578 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 579 | do { |
| 580 | if (*tape == 0) |
| 581 | tape = iotape; |
| 582 | putchar(*s^ * tape)(!__isthreaded ? __sputc(*s^ * tape, (&__sF[1])) : (putc) (*s^ * tape, (&__sF[1]))); |
| 583 | } while ((*s++ ^ * tape++) != LF012); /* better end with LF */ |
| 584 | if (skip < 0) |
| 585 | break; |
| 586 | } |
| 587 | free(tbuf); |
| 588 | } |