1 #ifndef lint 2 static char sccsid[] = "@(#)n1.c 4.6 01/09/85"; 3 #endif lint 4 5 #include "tdef.h" 6 #include <sys/types.h> 7 #include <sys/stat.h> 8 #include <sys/time.h> 9 extern 10 #include "d.h" 11 extern 12 #include "v.h" 13 #ifdef NROFF 14 extern 15 #include "tw.h" 16 #endif 17 #include "sdef.h" 18 #include <setjmp.h> 19 jmp_buf sjbuf; 20 #include <sgtty.h> 21 /* 22 troff1.c 23 24 consume options, initialization, main loop, 25 input routines, escape function calling 26 */ 27 28 int inchar[LNSIZE], *pinchar = inchar; /* XXX */ 29 extern struct s *frame, *stk, *nxf; 30 extern struct s *ejl, *litlev; 31 extern filep ip; 32 extern filep offset; 33 extern filep nextb; 34 35 36 extern int stdi; 37 extern int waitf; 38 extern int nofeed; 39 extern int quiet; 40 extern int ptid; 41 extern int ascii; 42 extern int npn; 43 extern int xflg; 44 extern int stop; 45 extern char ibuf[IBUFSZ]; 46 extern char xbuf[IBUFSZ]; 47 extern char *ibufp; 48 extern char *xbufp; 49 extern char *eibuf; 50 extern char *xeibuf; 51 extern int cbuf[NC]; 52 extern int *cp; 53 extern int *vlist; 54 extern int nx; 55 extern int mflg; 56 extern int ch; 57 extern int pto; 58 extern int pfrom; 59 extern int cps; 60 extern int chbits; 61 extern int ibf; 62 extern int ttyod; 63 extern struct sgttyb ttys; 64 extern int iflg; 65 extern int init; 66 extern int rargc; 67 extern char **argp; 68 extern char trtab[256]; 69 extern int lgf; 70 extern int copyf; 71 extern int eschar; 72 extern int ch0; 73 extern int cwidth; 74 extern int nlflg; 75 extern int *ap; 76 extern int donef; 77 extern int nflush; 78 extern int nchar; 79 extern int rchar; 80 extern int nfo; 81 extern int ifile; 82 extern int fc; 83 extern int padc; 84 extern int tabc; 85 extern int dotc; 86 extern int raw; 87 extern int tabtab[NTAB]; 88 extern char nextf[]; 89 extern int nfi; 90 #ifdef NROFF 91 extern char termtab[]; 92 extern int tti; 93 #endif 94 extern int ifl[NSO]; 95 extern int ifi; 96 extern int pendt; 97 extern int flss; 98 extern int fi; 99 extern int lg; 100 extern char ptname[]; 101 extern int print; 102 extern int nonumb; 103 extern int pnlist[]; 104 extern int *pnp; 105 extern int nb; 106 extern int trap; 107 extern int tflg; 108 extern int ejf; 109 extern int lit; 110 extern int cc; 111 extern int c2; 112 extern int spread; 113 extern int gflag; 114 extern int oline[]; 115 extern int *olinep; 116 extern int dpn; 117 extern int noscale; 118 extern char *unlkp; 119 extern int pts; 120 extern int level; 121 extern int ttysave; 122 extern int tdelim; 123 extern int dotT; 124 extern int tabch, ldrch; 125 extern int eqflg; 126 extern no_out; 127 extern int hflg; 128 #ifndef NROFF 129 extern char codetab[]; 130 extern int spbits; 131 #endif 132 extern int xxx; 133 int stopmesg; 134 filep ipl[NSO]; 135 long offl[NSO]; 136 long ioff; 137 char *ttyp; 138 extern struct contab { 139 int rq; 140 union { 141 int (*f)(); 142 unsigned mx; 143 }x; 144 }contab[NM]; 145 int ms[] = {31,28,31,30,31,30,31,31,30,31,30,31}; 146 #ifndef NROFF 147 int acctf; 148 #endif 149 150 main(argc,argv) 151 int argc; 152 char **argv; 153 { 154 char *p, *q; 155 register i, j; 156 extern catch(), fpecatch(), kcatch(); 157 158 signal(SIGHUP,catch); 159 if(signal(SIGINT,catch) == SIG_IGN){ 160 signal(SIGHUP,SIG_IGN); 161 signal(SIGINT,SIG_IGN); 162 signal(SIGQUIT,SIG_IGN); 163 } 164 signal(SIGFPE,fpecatch); 165 signal(SIGPIPE,catch); 166 signal(SIGTERM,kcatch); 167 init1(argv[0][0]); 168 options: 169 while(--argc > 0 && (++argv)[0][0]=='-') 170 switch(argv[0][1]){ 171 172 case 0: 173 goto start; 174 case 'i': 175 stdi++; 176 continue; 177 case 'q': 178 quiet++; 179 if(gtty(0, &ttys) >= 0) 180 ttysave = ttys.sg_flags; 181 continue; 182 case 'n': 183 npn = cnum(&argv[0][2]); 184 continue; 185 case 'p': 186 xflg = 0; 187 cps = cnum(&argv[0][2]); 188 continue; 189 case 'S': 190 stopmesg++; 191 continue; 192 case 's': 193 if(!(stop = cnum(&argv[0][2])))stop++; 194 continue; 195 case 'r': 196 vlist[findr(argv[0][2])] = cnum(&argv[0][3]); 197 continue; 198 case 'm': 199 p = &nextf[nfi]; 200 q = &argv[0][2]; 201 while((*p++ = *q++) != 0); 202 if (access(nextf, 4) < 0) { 203 char *local = "/usr/local/lib/tmac/tmac.\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; 204 strcat(local, &argv[0][2]); 205 if (access(local, 4) == 0) 206 strcpy(nextf, local); 207 } 208 mflg++; 209 continue; 210 case 'o': 211 getpn(&argv[0][2]); 212 continue; 213 #ifdef NROFF 214 case 'h': 215 hflg++; 216 continue; 217 case 'z': 218 no_out++; 219 continue; 220 case 'e': 221 eqflg++; 222 continue; 223 case 'T': 224 p = &termtab[tti]; 225 q = &argv[0][2]; 226 if(!((*q) & 0177))continue; 227 while((*p++ = *q++) != 0); 228 dotT++; 229 continue; 230 #endif 231 #ifndef NROFF 232 case 'z': 233 no_out++; 234 case 'a': 235 ascii = 1; 236 nofeed++; 237 case 't': 238 ptid = 1; 239 continue; 240 case 'w': 241 waitf = 1; 242 continue; 243 case 'f': 244 nofeed++; 245 continue; 246 case 'x': 247 xflg = 0; 248 continue; 249 case 'b': 250 if(open(ptname,1) < 0)prstr("Busy.\n"); 251 else prstr("Available.\n"); 252 done3(0); 253 case 'g': 254 stop = ptid = gflag = 1; 255 dpn = 0; 256 continue; 257 case 'F': 258 { 259 extern char *fontfile; 260 fontfile = &argv[0][2]; 261 } 262 continue; 263 #endif 264 default: 265 pto = cnum(&argv[0][1]); 266 continue; 267 } 268 269 if(argv[0][0] == '+'){ 270 pfrom = cnum(&argv[0][1]); 271 print = 0; 272 if(argc > 0)goto options; 273 } 274 275 start: 276 argp = argv; 277 rargc = argc; 278 init2(); 279 setjmp(sjbuf); 280 loop: 281 copyf = lgf = nb = nflush = nlflg = 0; 282 if(ip && (rbf0(ip)==0) && ejf && (frame->pframe <= ejl)){ 283 nflush++; 284 trap = 0; 285 eject((struct s *)0); 286 goto loop; 287 } 288 i = getch(); 289 if(pendt)goto lt; 290 if(lit && (frame <= litlev)){ 291 lit--; 292 goto lt; 293 } 294 if((j = (i & CMASK)) == XPAR){ 295 copyf++; 296 tflg++; 297 for(;(i & CMASK) != '\n';)pchar(i = getch()); 298 tflg = 0; 299 copyf--; 300 goto loop; 301 } 302 if((j == cc) || (j == c2)){ 303 if(j == c2)nb++; 304 copyf++; 305 while(((j=((i=getch()) & CMASK)) == ' ') || 306 (j == '\t')); 307 ch = i; 308 copyf--; 309 control(getrq(),1); 310 flushi(); 311 goto loop; 312 } 313 lt: 314 ch = i; 315 text(); 316 goto loop; 317 } 318 catch(){ 319 /* 320 prstr("Interrupt\n"); 321 */ 322 done3(01); 323 } 324 fpecatch(){ 325 prstrfl("Floating Exception.\n"); 326 signal(SIGFPE,fpecatch); 327 } 328 kcatch(){ 329 signal(SIGTERM,SIG_IGN); 330 done3(01); 331 } 332 #ifndef NROFF 333 acctg() { 334 static char *acct_file = "/usr/adm/tracct"; 335 acctf = open(acct_file,1); 336 setuid(getuid()); 337 } 338 #endif 339 init1(a) 340 char a; 341 { 342 register char *p; 343 char *mktemp(); 344 register i; 345 346 #ifndef NROFF 347 acctg();/*open troff actg file while mode 4755*/ 348 #endif 349 p = mktemp("/tmp/taXXXXX"); 350 if(a == 'a')p = &p[5]; 351 if((close(creat(p, 0600))) < 0){ 352 prstr("Cannot create temp file.\n"); 353 exit(-1); 354 } 355 ibf = open(p, 2); 356 for(i=256; --i;)trtab[i]=i; 357 trtab[UNPAD] = ' '; 358 mchbits(); 359 if(a != 'a')unlkp = p; 360 } 361 init2() 362 { 363 register i,j; 364 extern int block; 365 extern char *setbrk(); 366 extern char *ttyname(); 367 368 ttyod = 2; 369 if(((ttyp=ttyname(j=0)) != (char *)0) || 370 ((ttyp=ttyname(j=1)) != (char *)0) || 371 ((ttyp=ttyname(j=2)) != (char *)0) 372 );else ttyp = "notty"; 373 iflg = j; 374 if(ascii)mesg(0); 375 376 if((!ptid) && (!waitf)){ 377 if((ptid = open(ptname,1)) < 0){ 378 prstr("Typesetter busy.\n"); 379 done3(-2); 380 } 381 } 382 ptinit(); 383 for(i=NEV; i--;)write(ibf, (char *)&block, EVS*sizeof(int)); 384 olinep = oline; 385 ibufp = eibuf = ibuf; 386 v.hp = init = 0; 387 pinchar = inchar; /* XXX */ 388 ioff = 0; 389 v.nl = -1; 390 cvtime(); 391 frame = stk = (struct s *)setbrk(DELTA); 392 dip = &d[0]; 393 nxf = frame + 1; 394 nx = mflg; 395 } 396 cvtime(){ 397 398 register i; 399 struct timeval t; 400 struct timezone tz; 401 402 gettimeofday(&t, &tz); 403 t.tv_sec -= 60*tz.tz_minuteswest; /* 5hrs for EST */ 404 v.dy = (t.tv_sec/86400L) + 1; 405 v.dw = (v.dy + 3)%7 + 1; 406 for(v.yr=70;; v.yr++){ 407 if((v.yr)%4)ms[1]=28;else ms[1]=29; 408 for(i=0;i<12;){ 409 if(v.dy<=ms[i]){ 410 v.mo = i+1; 411 return; 412 } 413 v.dy -= ms[i++]; 414 } 415 } 416 } 417 cnum(a) 418 char *a; 419 { 420 register i; 421 422 ibufp = a; 423 eibuf = (char *) MAXPTR; 424 i = atoi(); 425 ch = 0; 426 return(i); 427 } 428 mesg(f) 429 int f; 430 { 431 static int mode; 432 433 if (ttyp==0) 434 return; 435 if(!f){ 436 stat(ttyp,cbuf); 437 mode = ((struct stat *)(cbuf))->st_mode; 438 chmod(ttyp,mode & ~022); 439 }else{ 440 chmod(ttyp,mode); 441 } 442 } 443 prstrfl(s) 444 char *s; 445 { 446 flusho(); 447 prstr(s); 448 } 449 prstr(s) 450 char *s; 451 { 452 register i; 453 register char *j; 454 455 j = s; 456 for(i=0;*s;i++)s++; 457 write(ttyod,j,i); 458 } 459 control(a,b) 460 int a,b; 461 { 462 register i,j; 463 extern filep boff(); 464 465 i = a; 466 if((i == 0) || ((j = findmn(i)) == -1))return(0); 467 if(contab[j].rq & MMASK){ 468 nxf->nargs = 0; 469 if(b)collect(); 470 flushi(); 471 return(pushi(((filep)contab[j].x.mx)<<BLKBITS)); 472 }else{ 473 if(!b)return(0); 474 return((*contab[j].x.f)(0)); 475 } 476 } 477 478 getrq(){ 479 register i,j; 480 481 if(((i=getach()) == 0) || 482 ((j=getach()) == 0))goto rtn; 483 i = PAIR(i,j); 484 rtn: 485 return(i); 486 } 487 getch(){ 488 register int i, j, k; 489 490 level++; 491 g0: 492 if(ch){ 493 if(((i = ch) & CMASK) == '\n')nlflg++; 494 ch = 0; 495 level--; 496 return(i); 497 } 498 499 if(nlflg){ 500 level--; 501 return('\n'); 502 } 503 504 if((k = (i = getch0()) & CMASK) != ESC){ 505 if(i & MOT)goto g2; 506 if(k == FLSS){ 507 copyf++; raw++; 508 i = getch0(); 509 if(!fi)flss = i; 510 copyf--; raw--; 511 goto g0; 512 } 513 if(k == RPT){ 514 setrpt(); 515 goto g0; 516 } 517 if(!copyf){ 518 if((k == 'f') && lg && !lgf){ 519 i = getlg(i); 520 goto g2; 521 } 522 if((k == fc) || (k == tabch) || (k == ldrch)){ 523 if((i=setfield(k)) == 0)goto g0; else goto g2; 524 } 525 if(k == 010){ 526 i = makem(-width(' ' | chbits)); 527 goto g2; 528 } 529 } 530 goto g2; 531 } 532 k = (j = getch0()) & CMASK; 533 if(j & MOT){ 534 i = j; 535 goto g2; 536 } 537 /* 538 if(k == tdelim){ 539 i = TDELIM; 540 tdelim = IMP; 541 goto g2; 542 } 543 */ 544 switch(k){ 545 546 case '\n': /*concealed newline*/ 547 goto g0; 548 case 'n': /*number register*/ 549 setn(); 550 goto g0; 551 case '*': /*string indicator*/ 552 setstr(); 553 goto g0; 554 case '$': /*argument indicator*/ 555 seta(); 556 goto g0; 557 case '{': /*LEFT*/ 558 i = LEFT; 559 goto gx; 560 case '}': /*RIGHT*/ 561 i = RIGHT; 562 goto gx; 563 case '"': /*comment*/ 564 while(((i=getch0()) & CMASK ) != '\n'); 565 goto g2; 566 case ESC: /*double backslash*/ 567 i = eschar; 568 goto gx; 569 case 'e': /*printable version of current eschar*/ 570 i = PRESC; 571 goto gx; 572 case ' ': /*unpaddable space*/ 573 i = UNPAD; 574 goto gx; 575 case '|': /*narrow space*/ 576 i = NARSP; 577 goto gx; 578 case '^': /*half of narrow space*/ 579 i = HNSP; 580 goto gx; 581 case '\'': /*\(aa*/ 582 i = 0222; 583 goto gx; 584 case '`': /*\(ga*/ 585 i = 0223; 586 goto gx; 587 case '_': /*\(ul*/ 588 i = 0224; 589 goto gx; 590 case '-': /*current font minus*/ 591 i = 0210; 592 goto gx; 593 case '&': /*filler*/ 594 i = FILLER; 595 goto gx; 596 case 'c': /*to be continued*/ 597 i = CONT; 598 goto gx; 599 case ':': /*lem's char*/ 600 i = COLON; 601 goto gx; 602 case '!': /*transparent indicator*/ 603 i = XPAR; 604 goto gx; 605 case 't': /*tab*/ 606 i = '\t'; 607 goto g2; 608 case 'a': /*leader (SOH)*/ 609 i = LEADER; 610 goto g2; 611 case '%': /*ohc*/ 612 i = OHC; 613 goto g2; 614 case '.': /*.*/ 615 i = '.'; 616 gx: 617 i = (j & ~CMASK) | i; 618 goto g2; 619 } 620 if(!copyf) 621 switch(k){ 622 623 case 'p': /*spread*/ 624 spread++; 625 goto g0; 626 case '(': /*special char name*/ 627 if((i=setch()) == 0)goto g0; 628 break; 629 case 's': /*size indicator*/ 630 setps(); 631 goto g0; 632 case 'f': /*font indicator*/ 633 setfont(0); 634 goto g0; 635 case 'w': /*width function*/ 636 setwd(); 637 goto g0; 638 case 'v': /*vert mot*/ 639 if(i = vmot())break; 640 goto g0; 641 case 'h': /*horiz mot*/ 642 if(i = hmot())break; 643 goto g0; 644 case 'z': /*zero with char*/ 645 i = setz(); 646 break; 647 case 'l': /*hor line*/ 648 setline(); 649 goto g0; 650 case 'L': /*vert line*/ 651 setvline(); 652 goto g0; 653 case 'b': /*bracket*/ 654 setbra(); 655 goto g0; 656 case 'o': /*overstrike*/ 657 setov(); 658 goto g0; 659 case 'k': /*mark hor place*/ 660 if((i=findr(getsn())) == -1)goto g0; 661 vlist[i] = v.hp = sumhp(); /* XXX */ 662 goto g0; 663 case 'j': /*mark output hor place*/ 664 if(!(i=getach()))goto g0; 665 i = (i<<BYTE) | JREG; 666 break; 667 case '0': /*number space*/ 668 i = makem(width('0' | chbits)); 669 break; 670 case 'x': /*extra line space*/ 671 if(i = xlss())break; 672 goto g0; 673 case 'u': /*half em up*/ 674 case 'r': /*full em up*/ 675 case 'd': /*half em down*/ 676 i = sethl(k); 677 break; 678 default: 679 i = j; 680 } 681 else{ 682 ch0 = j; 683 i = eschar; 684 } 685 g2: 686 if((i & CMASK) == '\n'){ 687 nlflg++; 688 v.hp = 0; 689 pinchar = inchar; /* XXX */ 690 if(ip == 0)v.cd++; 691 } 692 if(!--level){ 693 /* j = width(i); */ 694 /* v.hp += j; */ 695 /* cwidth = j; */ 696 if (pinchar >= inchar + LNSIZE) { /* XXX */ 697 inchar[0] = makem(sumhp()); 698 pinchar = &inchar[1]; 699 } 700 *pinchar++ = i; /* XXX */ 701 } 702 return(i); 703 } 704 705 sumhp() /* XXX - add up widths in inchar array */ 706 { 707 register int n; 708 register int *p; 709 710 n = 0; 711 for (p = inchar; p < pinchar; p++) 712 n += width(*p); 713 return(n); 714 } 715 char ifilt[32] = {0,001,002,003,0,005,006,007,010,011,012}; 716 getch0(){ 717 register int i, j; 718 719 if(ch0){i=ch0; ch0=0; return(i);} 720 if(nchar){nchar--; return(rchar);} 721 722 again: 723 if(cp){ 724 if((i = *cp++) == 0){ 725 cp = 0; 726 goto again; 727 } 728 }else if(ap){ 729 if((i = *ap++) == 0){ 730 ap = 0; 731 goto again; 732 } 733 }else if(ip){ 734 if(ip == -1)i = rdtty(); 735 else i = rbf(); 736 }else{ 737 if(donef)done(0); 738 if(nx || ((ibufp >= eibuf) && (ibufp != (char *) MAXPTR))){ 739 if(nfo)goto g1; 740 g0: 741 if(nextfile()){ 742 if(ip)goto again; 743 if(ibufp < eibuf)goto g2; 744 } 745 g1: 746 nx = 0; 747 if((j=read(ifile,ibuf,IBUFSZ)) <= 0)goto g0; 748 ibufp = ibuf; 749 eibuf = ibuf + j; 750 if(ip)goto again; 751 } 752 g2: 753 i = *ibufp++ & 0177; 754 ioff++; 755 if(i >= 040)goto g4; else i = ifilt[i]; 756 } 757 if(raw)return(i); 758 if((j = i & CMASK) == IMP)goto again; 759 if((i == 0) && !init)goto again; 760 g4: 761 if((copyf == 0) && ((i & ~BMASK) == 0) && ((i & CMASK) < 0370)) 762 #ifndef NROFF 763 if(spbits && (i>31) && ((codetab[i-32] & 0200))) i |= spbits; 764 else 765 #endif 766 i |= chbits; 767 if((i & CMASK) == eschar)i = (i & ~CMASK) | ESC; 768 return(i); 769 } 770 nextfile(){ 771 register char *p; 772 773 n0: 774 if(ifile)close(ifile); 775 if(nx){ 776 p = nextf; 777 if(*p != 0)goto n1; 778 } 779 if(ifi > 0){ 780 if(popf())goto n0; /*popf error*/ 781 return(1); /*popf ok*/ 782 } 783 if(rargc-- <= 0)goto n2; 784 p = (argp++)[0]; 785 n1: 786 if((p[0] == '-') && (p[1] == 0)){ 787 ifile = 0; 788 }else if((ifile=open(p,0)) < 0){ 789 prstr("Cannot open "); 790 prstr(p); 791 prstr("\n"); 792 nfo -= mflg; 793 done(02); 794 } 795 nfo++; 796 v.cd = 0; 797 ioff = 0; 798 return(0); 799 n2: 800 if((nfo -= mflg) && !stdi)done(0); 801 nfo++; 802 v.cd = ifile = stdi = mflg = 0; 803 ioff = 0; 804 return(0); 805 } 806 popf(){ 807 register i; 808 register char *p, *q; 809 extern char *ttyname(); 810 811 ioff = offl[--ifi]; 812 ip = ipl[ifi]; 813 if((ifile = ifl[ifi]) == 0){ 814 p = xbuf; 815 q = ibuf; 816 ibufp = xbufp; 817 eibuf = xeibuf; 818 while(q < eibuf)*q++ = *p++; 819 return(0); 820 } 821 if((lseek(ifile,(long)(ioff & ~(IBUFSZ-1)),0) < 0) || 822 ((i = read(ifile,ibuf,IBUFSZ)) < 0))return(1); 823 eibuf = ibuf + i; 824 ibufp = ibuf; 825 if(ttyname(ifile) == (char *)0) 826 if((ibufp = ibuf + (int)(ioff & (IBUFSZ-1))) >= eibuf)return(1); 827 return(0); 828 } 829 flushi(){ 830 if(nflush)return; 831 ch = 0; 832 if((ch0 & CMASK) == '\n')nlflg++; 833 ch0 = 0; 834 copyf++; 835 while(!nlflg){ 836 if(donef && (frame == stk))break; 837 getch(); 838 } 839 copyf--; 840 v.hp = 0; 841 pinchar = inchar; /* XXX */ 842 } 843 getach(){ 844 register i; 845 846 lgf++; 847 if(((i = getch()) & MOT) || 848 ((i&CMASK) == ' ') || 849 ((i&CMASK) == '\n')|| 850 (i & 0200)){ 851 ch = i; 852 i = 0; 853 } 854 lgf--; 855 return(i & 0177); 856 } 857 casenx(){ 858 lgf++; 859 skip(); 860 getname(); 861 nx++; 862 nextfile(); 863 nlflg++; 864 ip = 0; 865 ap = 0; 866 nchar = pendt = 0; 867 frame = stk; 868 nxf = frame + 1; 869 } 870 getname(){ 871 register int i, j, k; 872 873 lgf++; 874 for(k=0; k < (NS-1); k++){ 875 if(((j=(i=getch()) & CMASK) <= ' ') || 876 (j > 0176))break; 877 nextf[k] = j; 878 } 879 nextf[k] = 0; 880 ch = i; 881 lgf--; 882 return(nextf[0]); 883 } 884 caseso(){ 885 register i; 886 register char *p, *q; 887 888 lgf++; 889 nextf[0] = 0; 890 if(skip() || !getname() || ((i=open(nextf,0)) <0) || (ifi >= NSO)) { 891 prstr("can't open file "); 892 prstr(nextf); 893 prstr("\n"); 894 done(02); 895 } 896 flushi(); 897 ifl[ifi] = ifile; 898 ifile = i; 899 offl[ifi] = ioff; 900 ioff = 0; 901 ipl[ifi] = ip; 902 ip = 0; 903 nx++; 904 nflush++; 905 if(!ifl[ifi++]){ 906 p = ibuf; 907 q = xbuf; 908 xbufp = ibufp; 909 xeibuf = eibuf; 910 while(p < eibuf)*q++ = *p++; 911 } 912 } 913 914 casecf(){ /* copy file without change */ 915 int fd, i, n; 916 char buf[OBUFSZ]; 917 918 flusho(); 919 lgf++; 920 nextf[0] = 0; 921 if(skip() || !getname() || ((fd=open(nextf,0)) <0) || (ifi >= NSO)) { 922 prstr("can't open file "); 923 prstr(nextf); 924 prstr("\n"); 925 done(02); 926 } 927 while ((n = read(fd, buf, OBUFSZ)) > 0) 928 for (i = 0; i < n; i++) 929 oput(buf[i]); 930 flusho(); 931 close(fd); 932 } 933 getpn(a) 934 char *a; 935 { 936 register i, neg; 937 long atoi1(); 938 939 if((*a & 0177) == 0)return; 940 neg = 0; 941 ibufp = a; 942 eibuf = (char *) MAXPTR; 943 noscale++; 944 while((i = getch() & CMASK) != 0)switch(i){ 945 case '+': 946 case ',': 947 continue; 948 case '-': 949 neg = MOT; 950 goto d2; 951 default: 952 ch = i; 953 d2: 954 i = atoi1(); 955 if(nonumb)goto fini; 956 else{ 957 *pnp++ = i | neg; 958 neg = 0; 959 if(pnp >= &pnlist[NPN-2]){ 960 prstr("Too many page numbers\n"); 961 done3(-3); 962 } 963 } 964 } 965 fini: 966 if(neg)*pnp++ = -2; 967 *pnp = -1; 968 ch = noscale = print = 0; 969 pnp = pnlist; 970 if(*pnp != -1)chkpn(); 971 } 972 setrpt(){ 973 register i, j; 974 975 copyf++;raw++; 976 i = getch0(); 977 copyf--;raw--; 978 if((i < 0) || 979 (((j = getch0()) & CMASK) == RPT))return; 980 rchar = j; 981 nchar = i & BMASK; 982 } 983