Commit | Line | Data |
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205a2d85 | 1 | #ifndef lint |
ca7afdcc | 2 | static char sccsid[] = "@(#)ed.c 4.5.1.1 (Berkeley) %G%"; |
205a2d85 | 3 | #endif |
31e58db8 KM |
4 | |
5 | /* | |
6 | * Editor | |
7 | */ | |
8 | ||
9 | #include <signal.h> | |
10 | #include <sgtty.h> | |
2dd1db50 | 11 | #undef CEOF |
31e58db8 KM |
12 | #include <setjmp.h> |
13 | #define NULL 0 | |
14 | #define FNSIZE 64 | |
15 | #define LBSIZE 512 | |
16 | #define ESIZE 128 | |
17 | #define GBSIZE 256 | |
18 | #define NBRA 5 | |
19 | #define EOF -1 | |
31e58db8 KM |
20 | |
21 | #define CBRA 1 | |
22 | #define CCHR 2 | |
23 | #define CDOT 4 | |
24 | #define CCL 6 | |
25 | #define NCCL 8 | |
26 | #define CDOL 10 | |
27 | #define CEOF 11 | |
28 | #define CKET 12 | |
29 | #define CBACK 14 | |
30 | ||
31 | #define STAR 01 | |
32 | ||
33 | char Q[] = ""; | |
34 | char T[] = "TMP"; | |
35 | #define READ 0 | |
36 | #define WRITE 1 | |
37 | ||
38 | int peekc; | |
39 | int lastc; | |
40 | char savedfile[FNSIZE]; | |
41 | char file[FNSIZE]; | |
42 | char linebuf[LBSIZE]; | |
43 | char rhsbuf[LBSIZE/2]; | |
44 | char expbuf[ESIZE+4]; | |
45 | int circfl; | |
46 | int *zero; | |
47 | int *dot; | |
48 | int *dol; | |
49 | int *addr1; | |
50 | int *addr2; | |
51 | char genbuf[LBSIZE]; | |
52 | long count; | |
53 | char *nextip; | |
54 | char *linebp; | |
55 | int ninbuf; | |
56 | int io; | |
57 | int pflag; | |
58 | long lseek(); | |
59 | int (*oldhup)(); | |
60 | int (*oldquit)(); | |
61 | int vflag = 1; | |
62793f1c | 62 | |
62793f1c | 63 | |
31e58db8 KM |
64 | int listf; |
65 | int col; | |
66 | char *globp; | |
67 | int tfile = -1; | |
68 | int tline; | |
69 | char *tfname; | |
70 | char *loc1; | |
71 | char *loc2; | |
72 | char *locs; | |
73 | char ibuff[512]; | |
74 | int iblock = -1; | |
75 | char obuff[512]; | |
76 | int oblock = -1; | |
77 | int ichanged; | |
78 | int nleft; | |
79 | char WRERR[] = "WRITE ERROR"; | |
80 | int names[26]; | |
81 | int anymarks; | |
82 | char *braslist[NBRA]; | |
83 | char *braelist[NBRA]; | |
84 | int nbra; | |
85 | int subnewa; | |
86 | int subolda; | |
87 | int fchange; | |
88 | int wrapp; | |
89 | unsigned nlall = 128; | |
90 | ||
91 | int *address(); | |
92 | char *getline(); | |
93 | char *getblock(); | |
94 | char *place(); | |
95 | char *mktemp(); | |
96 | char *malloc(); | |
97 | char *realloc(); | |
98 | jmp_buf savej; | |
99 | ||
100 | main(argc, argv) | |
101 | char **argv; | |
102 | { | |
103 | register char *p1, *p2; | |
104 | extern int onintr(), quit(), onhup(); | |
105 | int (*oldintr)(); | |
106 | ||
107 | oldquit = signal(SIGQUIT, SIG_IGN); | |
108 | oldhup = signal(SIGHUP, SIG_IGN); | |
109 | oldintr = signal(SIGINT, SIG_IGN); | |
110 | if ((int)signal(SIGTERM, SIG_IGN) == 0) | |
111 | signal(SIGTERM, quit); | |
112 | argv++; | |
113 | while (argc > 1 && **argv=='-') { | |
114 | switch((*argv)[1]) { | |
115 | ||
116 | case '\0': | |
117 | vflag = 0; | |
118 | break; | |
119 | ||
120 | case 'q': | |
121 | signal(SIGQUIT, SIG_DFL); | |
122 | vflag = 1; | |
123 | break; | |
124 | ||
31e58db8 KM |
125 | } |
126 | argv++; | |
127 | argc--; | |
128 | } | |
31e58db8 KM |
129 | |
130 | if (argc>1) { | |
131 | p1 = *argv; | |
132 | p2 = savedfile; | |
133 | while (*p2++ = *p1++) | |
134 | ; | |
135 | globp = "r"; | |
136 | } | |
137 | zero = (int *)malloc(nlall*sizeof(int)); | |
138 | tfname = mktemp("/tmp/eXXXXX"); | |
139 | init(); | |
140 | if (((int)oldintr&01) == 0) | |
141 | signal(SIGINT, onintr); | |
142 | if (((int)oldhup&01) == 0) | |
143 | signal(SIGHUP, onhup); | |
144 | setjmp(savej); | |
145 | commands(); | |
146 | quit(); | |
147 | } | |
148 | ||
149 | commands() | |
150 | { | |
151 | int getfile(), gettty(); | |
152 | register *a1, c; | |
153 | ||
154 | for (;;) { | |
155 | if (pflag) { | |
156 | pflag = 0; | |
157 | addr1 = addr2 = dot; | |
158 | goto print; | |
159 | } | |
160 | addr1 = 0; | |
161 | addr2 = 0; | |
162 | do { | |
163 | addr1 = addr2; | |
164 | if ((a1 = address())==0) { | |
165 | c = getchr(); | |
166 | break; | |
167 | } | |
168 | addr2 = a1; | |
169 | if ((c=getchr()) == ';') { | |
170 | c = ','; | |
171 | dot = a1; | |
172 | } | |
173 | } while (c==','); | |
174 | if (addr1==0) | |
175 | addr1 = addr2; | |
176 | switch(c) { | |
177 | ||
178 | case 'a': | |
179 | setdot(); | |
180 | newline(); | |
181 | append(gettty, addr2); | |
182 | continue; | |
183 | ||
184 | case 'c': | |
185 | delete(); | |
186 | append(gettty, addr1-1); | |
187 | continue; | |
188 | ||
189 | case 'd': | |
190 | delete(); | |
191 | continue; | |
192 | ||
193 | case 'E': | |
194 | fchange = 0; | |
195 | c = 'e'; | |
196 | case 'e': | |
197 | setnoaddr(); | |
198 | if (vflag && fchange) { | |
199 | fchange = 0; | |
200 | error(Q); | |
201 | } | |
202 | filename(c); | |
203 | init(); | |
204 | addr2 = zero; | |
205 | goto caseread; | |
206 | ||
207 | case 'f': | |
208 | setnoaddr(); | |
209 | filename(c); | |
210 | puts(savedfile); | |
211 | continue; | |
212 | ||
213 | case 'g': | |
214 | global(1); | |
215 | continue; | |
216 | ||
217 | case 'i': | |
218 | setdot(); | |
219 | nonzero(); | |
220 | newline(); | |
221 | append(gettty, addr2-1); | |
222 | continue; | |
223 | ||
224 | ||
225 | case 'j': | |
226 | if (addr2==0) { | |
227 | addr1 = dot; | |
228 | addr2 = dot+1; | |
229 | } | |
230 | setdot(); | |
231 | newline(); | |
232 | nonzero(); | |
233 | join(); | |
234 | continue; | |
235 | ||
236 | case 'k': | |
237 | if ((c = getchr()) < 'a' || c > 'z') | |
238 | error(Q); | |
239 | newline(); | |
240 | setdot(); | |
241 | nonzero(); | |
242 | names[c-'a'] = *addr2 & ~01; | |
243 | anymarks |= 01; | |
244 | continue; | |
245 | ||
246 | case 'm': | |
247 | move(0); | |
248 | continue; | |
249 | ||
250 | case '\n': | |
251 | if (addr2==0) | |
252 | addr2 = dot+1; | |
253 | addr1 = addr2; | |
254 | goto print; | |
255 | ||
256 | case 'l': | |
257 | listf++; | |
258 | case 'p': | |
259 | case 'P': | |
260 | newline(); | |
261 | print: | |
262 | setdot(); | |
263 | nonzero(); | |
264 | a1 = addr1; | |
265 | do { | |
266 | puts(getline(*a1++)); | |
267 | } while (a1 <= addr2); | |
268 | dot = addr2; | |
269 | listf = 0; | |
270 | continue; | |
271 | ||
272 | case 'Q': | |
273 | fchange = 0; | |
274 | case 'q': | |
275 | setnoaddr(); | |
276 | newline(); | |
277 | quit(); | |
278 | ||
279 | case 'r': | |
280 | filename(c); | |
281 | caseread: | |
282 | if ((io = open(file, 0)) < 0) { | |
283 | lastc = '\n'; | |
284 | error(file); | |
285 | } | |
286 | setall(); | |
287 | ninbuf = 0; | |
288 | c = zero != dol; | |
289 | append(getfile, addr2); | |
290 | exfile(); | |
291 | fchange = c; | |
292 | continue; | |
293 | ||
294 | case 's': | |
295 | setdot(); | |
296 | nonzero(); | |
297 | substitute(globp!=0); | |
298 | continue; | |
299 | ||
300 | case 't': | |
301 | move(1); | |
302 | continue; | |
303 | ||
304 | case 'u': | |
305 | setdot(); | |
306 | nonzero(); | |
307 | newline(); | |
308 | if ((*addr2&~01) != subnewa) | |
309 | error(Q); | |
310 | *addr2 = subolda; | |
311 | dot = addr2; | |
312 | continue; | |
313 | ||
314 | case 'v': | |
315 | global(0); | |
316 | continue; | |
317 | ||
318 | case 'W': | |
319 | wrapp++; | |
320 | case 'w': | |
321 | setall(); | |
322 | nonzero(); | |
323 | filename(c); | |
324 | if(!wrapp || | |
325 | ((io = open(file,1)) == -1) || | |
326 | ((lseek(io, 0L, 2)) == -1)) | |
327 | if ((io = creat(file, 0666)) < 0) | |
328 | error(file); | |
329 | wrapp = 0; | |
330 | putfile(); | |
331 | exfile(); | |
332 | if (addr1==zero+1 && addr2==dol) | |
333 | fchange = 0; | |
334 | continue; | |
335 | ||
31e58db8 KM |
336 | |
337 | ||
338 | case '=': | |
339 | setall(); | |
340 | newline(); | |
341 | count = (addr2-zero)&077777; | |
342 | putd(); | |
343 | putchr('\n'); | |
344 | continue; | |
345 | ||
346 | case '!': | |
347 | callunix(); | |
348 | continue; | |
349 | ||
350 | case EOF: | |
351 | return; | |
352 | ||
353 | } | |
354 | error(Q); | |
355 | } | |
356 | } | |
357 | ||
358 | int * | |
359 | address() | |
360 | { | |
361 | register *a1, minus, c; | |
362 | int n, relerr; | |
363 | ||
364 | minus = 0; | |
365 | a1 = 0; | |
366 | for (;;) { | |
367 | c = getchr(); | |
368 | if ('0'<=c && c<='9') { | |
369 | n = 0; | |
370 | do { | |
371 | n *= 10; | |
372 | n += c - '0'; | |
373 | } while ((c = getchr())>='0' && c<='9'); | |
374 | peekc = c; | |
375 | if (a1==0) | |
376 | a1 = zero; | |
377 | if (minus<0) | |
378 | n = -n; | |
379 | a1 += n; | |
380 | minus = 0; | |
381 | continue; | |
382 | } | |
383 | relerr = 0; | |
384 | if (a1 || minus) | |
385 | relerr++; | |
386 | switch(c) { | |
387 | case ' ': | |
388 | case '\t': | |
389 | continue; | |
390 | ||
391 | case '+': | |
392 | minus++; | |
393 | if (a1==0) | |
394 | a1 = dot; | |
395 | continue; | |
396 | ||
397 | case '-': | |
398 | case '^': | |
399 | minus--; | |
400 | if (a1==0) | |
401 | a1 = dot; | |
402 | continue; | |
403 | ||
404 | case '?': | |
405 | case '/': | |
406 | compile(c); | |
407 | a1 = dot; | |
408 | for (;;) { | |
409 | if (c=='/') { | |
410 | a1++; | |
411 | if (a1 > dol) | |
412 | a1 = zero; | |
413 | } else { | |
414 | a1--; | |
415 | if (a1 < zero) | |
416 | a1 = dol; | |
417 | } | |
418 | if (execute(0, a1)) | |
419 | break; | |
420 | if (a1==dot) | |
421 | error(Q); | |
422 | } | |
423 | break; | |
424 | ||
425 | case '$': | |
426 | a1 = dol; | |
427 | break; | |
428 | ||
429 | case '.': | |
430 | a1 = dot; | |
431 | break; | |
432 | ||
433 | case '\'': | |
434 | if ((c = getchr()) < 'a' || c > 'z') | |
435 | error(Q); | |
436 | for (a1=zero; a1<=dol; a1++) | |
437 | if (names[c-'a'] == (*a1 & ~01)) | |
438 | break; | |
439 | break; | |
440 | ||
441 | default: | |
442 | peekc = c; | |
443 | if (a1==0) | |
444 | return(0); | |
445 | a1 += minus; | |
446 | if (a1<zero || a1>dol) | |
447 | error(Q); | |
448 | return(a1); | |
449 | } | |
450 | if (relerr) | |
451 | error(Q); | |
452 | } | |
453 | } | |
454 | ||
455 | setdot() | |
456 | { | |
457 | if (addr2 == 0) | |
458 | addr1 = addr2 = dot; | |
459 | if (addr1 > addr2) | |
460 | error(Q); | |
461 | } | |
462 | ||
463 | setall() | |
464 | { | |
465 | if (addr2==0) { | |
466 | addr1 = zero+1; | |
467 | addr2 = dol; | |
468 | if (dol==zero) | |
469 | addr1 = zero; | |
470 | } | |
471 | setdot(); | |
472 | } | |
473 | ||
474 | setnoaddr() | |
475 | { | |
476 | if (addr2) | |
477 | error(Q); | |
478 | } | |
479 | ||
480 | nonzero() | |
481 | { | |
482 | if (addr1<=zero || addr2>dol) | |
483 | error(Q); | |
484 | } | |
485 | ||
486 | newline() | |
487 | { | |
488 | register c; | |
489 | ||
490 | if ((c = getchr()) == '\n') | |
491 | return; | |
492 | if (c=='p' || c=='l') { | |
493 | pflag++; | |
494 | if (c=='l') | |
495 | listf++; | |
496 | if (getchr() == '\n') | |
497 | return; | |
498 | } | |
499 | error(Q); | |
500 | } | |
501 | ||
502 | filename(comm) | |
503 | { | |
504 | register char *p1, *p2; | |
505 | register c; | |
506 | ||
507 | count = 0; | |
508 | c = getchr(); | |
509 | if (c=='\n' || c==EOF) { | |
510 | p1 = savedfile; | |
511 | if (*p1==0 && comm!='f') | |
512 | error(Q); | |
513 | p2 = file; | |
514 | while (*p2++ = *p1++) | |
515 | ; | |
516 | return; | |
517 | } | |
518 | if (c!=' ') | |
519 | error(Q); | |
520 | while ((c = getchr()) == ' ') | |
521 | ; | |
522 | if (c=='\n') | |
523 | error(Q); | |
524 | p1 = file; | |
525 | do { | |
526 | *p1++ = c; | |
527 | if (c==' ' || c==EOF) | |
528 | error(Q); | |
529 | } while ((c = getchr()) != '\n'); | |
530 | *p1++ = 0; | |
531 | if (savedfile[0]==0 || comm=='e' || comm=='f') { | |
532 | p1 = savedfile; | |
533 | p2 = file; | |
534 | while (*p1++ = *p2++) | |
535 | ; | |
536 | } | |
537 | } | |
538 | ||
539 | exfile() | |
540 | { | |
541 | close(io); | |
542 | io = -1; | |
543 | if (vflag) { | |
544 | putd(); | |
545 | putchr('\n'); | |
546 | } | |
547 | } | |
548 | ||
549 | onintr() | |
550 | { | |
551 | signal(SIGINT, onintr); | |
552 | putchr('\n'); | |
553 | lastc = '\n'; | |
554 | error(Q); | |
555 | } | |
556 | ||
557 | onhup() | |
558 | { | |
559 | signal(SIGINT, SIG_IGN); | |
560 | signal(SIGHUP, SIG_IGN); | |
561 | if (dol > zero) { | |
562 | addr1 = zero+1; | |
563 | addr2 = dol; | |
564 | io = creat("ed.hup", 0666); | |
565 | if (io > 0) | |
566 | putfile(); | |
567 | } | |
568 | fchange = 0; | |
569 | quit(); | |
570 | } | |
571 | ||
572 | error(s) | |
573 | char *s; | |
574 | { | |
575 | register c; | |
576 | ||
577 | wrapp = 0; | |
578 | listf = 0; | |
579 | putchr('?'); | |
580 | puts(s); | |
581 | count = 0; | |
582 | lseek(0, (long)0, 2); | |
583 | pflag = 0; | |
584 | if (globp) | |
585 | lastc = '\n'; | |
586 | globp = 0; | |
587 | peekc = lastc; | |
588 | if(lastc) | |
589 | while ((c = getchr()) != '\n' && c != EOF) | |
590 | ; | |
591 | if (io > 0) { | |
592 | close(io); | |
593 | io = -1; | |
594 | } | |
595 | longjmp(savej, 1); | |
596 | } | |
597 | ||
598 | getchr() | |
599 | { | |
600 | char c; | |
601 | if (lastc=peekc) { | |
602 | peekc = 0; | |
603 | return(lastc); | |
604 | } | |
605 | if (globp) { | |
606 | if ((lastc = *globp++) != 0) | |
607 | return(lastc); | |
608 | globp = 0; | |
609 | return(EOF); | |
610 | } | |
611 | if (read(0, &c, 1) <= 0) | |
612 | return(lastc = EOF); | |
613 | lastc = c&0177; | |
614 | return(lastc); | |
615 | } | |
616 | ||
617 | gettty() | |
618 | { | |
619 | register c; | |
620 | register char *gf; | |
621 | register char *p; | |
622 | ||
623 | p = linebuf; | |
624 | gf = globp; | |
625 | while ((c = getchr()) != '\n') { | |
626 | if (c==EOF) { | |
627 | if (gf) | |
628 | peekc = c; | |
629 | return(c); | |
630 | } | |
631 | if ((c &= 0177) == 0) | |
632 | continue; | |
633 | *p++ = c; | |
634 | if (p >= &linebuf[LBSIZE-2]) | |
635 | error(Q); | |
636 | } | |
637 | *p++ = 0; | |
638 | if (linebuf[0]=='.' && linebuf[1]==0) | |
639 | return(EOF); | |
640 | return(0); | |
641 | } | |
642 | ||
643 | getfile() | |
644 | { | |
645 | register c; | |
646 | register char *lp, *fp; | |
647 | ||
648 | lp = linebuf; | |
649 | fp = nextip; | |
650 | do { | |
651 | if (--ninbuf < 0) { | |
652 | if ((ninbuf = read(io, genbuf, LBSIZE)-1) < 0) | |
653 | return(EOF); | |
654 | fp = genbuf; | |
655 | while(fp < &genbuf[ninbuf]) { | |
656 | if (*fp++ & 0200) { | |
31e58db8 KM |
657 | break; |
658 | } | |
659 | } | |
660 | fp = genbuf; | |
661 | } | |
662 | c = *fp++; | |
663 | if (c=='\0') | |
664 | continue; | |
665 | if (c&0200 || lp >= &linebuf[LBSIZE]) { | |
666 | lastc = '\n'; | |
667 | error(Q); | |
668 | } | |
669 | *lp++ = c; | |
670 | count++; | |
671 | } while (c != '\n'); | |
672 | *--lp = 0; | |
673 | nextip = fp; | |
674 | return(0); | |
675 | } | |
676 | ||
677 | putfile() | |
678 | { | |
679 | int *a1, n; | |
680 | register char *fp, *lp; | |
681 | register nib; | |
682 | ||
683 | nib = 512; | |
684 | fp = genbuf; | |
685 | a1 = addr1; | |
686 | do { | |
687 | lp = getline(*a1++); | |
688 | for (;;) { | |
689 | if (--nib < 0) { | |
690 | n = fp-genbuf; | |
31e58db8 KM |
691 | if(write(io, genbuf, n) != n) { |
692 | puts(WRERR); | |
693 | error(Q); | |
694 | } | |
695 | nib = 511; | |
696 | fp = genbuf; | |
697 | } | |
698 | count++; | |
699 | if ((*fp++ = *lp++) == 0) { | |
700 | fp[-1] = '\n'; | |
701 | break; | |
702 | } | |
703 | } | |
704 | } while (a1 <= addr2); | |
705 | n = fp-genbuf; | |
31e58db8 KM |
706 | if(write(io, genbuf, n) != n) { |
707 | puts(WRERR); | |
708 | error(Q); | |
709 | } | |
710 | } | |
711 | ||
712 | append(f, a) | |
713 | int *a; | |
714 | int (*f)(); | |
715 | { | |
716 | register *a1, *a2, *rdot; | |
717 | int nline, tl; | |
718 | ||
719 | nline = 0; | |
720 | dot = a; | |
721 | while ((*f)() == 0) { | |
722 | if ((dol-zero)+1 >= nlall) { | |
723 | int *ozero = zero; | |
724 | nlall += 512; | |
31e58db8 KM |
725 | if ((zero = (int *)realloc((char *)zero, nlall*sizeof(int)))==NULL) { |
726 | lastc = '\n'; | |
727 | zero = ozero; | |
728 | error("MEM?"); | |
729 | } | |
730 | dot += zero - ozero; | |
731 | dol += zero - ozero; | |
732 | } | |
733 | tl = putline(); | |
734 | nline++; | |
735 | a1 = ++dol; | |
736 | a2 = a1+1; | |
737 | rdot = ++dot; | |
738 | while (a1 > rdot) | |
739 | *--a2 = *--a1; | |
740 | *rdot = tl; | |
741 | } | |
742 | return(nline); | |
743 | } | |
744 | ||
745 | callunix() | |
746 | { | |
747 | register (*savint)(), pid, rpid; | |
748 | int retcode; | |
749 | ||
750 | setnoaddr(); | |
751 | if ((pid = fork()) == 0) { | |
752 | signal(SIGHUP, oldhup); | |
753 | signal(SIGQUIT, oldquit); | |
754 | execl("/bin/sh", "sh", "-t", 0); | |
755 | exit(0100); | |
756 | } | |
757 | savint = signal(SIGINT, SIG_IGN); | |
758 | while ((rpid = wait(&retcode)) != pid && rpid != -1) | |
759 | ; | |
760 | signal(SIGINT, savint); | |
761 | puts("!"); | |
762 | } | |
763 | ||
764 | quit() | |
765 | { | |
766 | if (vflag && fchange && dol!=zero) { | |
767 | fchange = 0; | |
768 | error(Q); | |
769 | } | |
770 | unlink(tfname); | |
771 | exit(0); | |
772 | } | |
773 | ||
774 | delete() | |
775 | { | |
776 | setdot(); | |
777 | newline(); | |
778 | nonzero(); | |
779 | rdelete(addr1, addr2); | |
780 | } | |
781 | ||
782 | rdelete(ad1, ad2) | |
783 | int *ad1, *ad2; | |
784 | { | |
785 | register *a1, *a2, *a3; | |
786 | ||
787 | a1 = ad1; | |
788 | a2 = ad2+1; | |
789 | a3 = dol; | |
790 | dol -= a2 - a1; | |
791 | do { | |
792 | *a1++ = *a2++; | |
793 | } while (a2 <= a3); | |
794 | a1 = ad1; | |
795 | if (a1 > dol) | |
796 | a1 = dol; | |
797 | dot = a1; | |
798 | fchange = 1; | |
799 | } | |
800 | ||
801 | gdelete() | |
802 | { | |
803 | register *a1, *a2, *a3; | |
804 | ||
805 | a3 = dol; | |
806 | for (a1=zero+1; (*a1&01)==0; a1++) | |
807 | if (a1>=a3) | |
808 | return; | |
809 | for (a2=a1+1; a2<=a3;) { | |
810 | if (*a2&01) { | |
811 | a2++; | |
812 | dot = a1; | |
813 | } else | |
814 | *a1++ = *a2++; | |
815 | } | |
816 | dol = a1-1; | |
817 | if (dot>dol) | |
818 | dot = dol; | |
819 | fchange = 1; | |
820 | } | |
821 | ||
822 | char * | |
823 | getline(tl) | |
824 | { | |
825 | register char *bp, *lp; | |
826 | register nl; | |
827 | ||
828 | lp = linebuf; | |
829 | bp = getblock(tl, READ); | |
830 | nl = nleft; | |
831 | tl &= ~0377; | |
832 | while (*lp++ = *bp++) | |
833 | if (--nl == 0) { | |
834 | bp = getblock(tl+=0400, READ); | |
835 | nl = nleft; | |
836 | } | |
837 | return(linebuf); | |
838 | } | |
839 | ||
840 | putline() | |
841 | { | |
842 | register char *bp, *lp; | |
843 | register nl; | |
844 | int tl; | |
845 | ||
846 | fchange = 1; | |
847 | lp = linebuf; | |
848 | tl = tline; | |
849 | bp = getblock(tl, WRITE); | |
850 | nl = nleft; | |
851 | tl &= ~0377; | |
852 | while (*bp = *lp++) { | |
853 | if (*bp++ == '\n') { | |
854 | *--bp = 0; | |
855 | linebp = lp; | |
856 | break; | |
857 | } | |
858 | if (--nl == 0) { | |
859 | bp = getblock(tl+=0400, WRITE); | |
860 | nl = nleft; | |
861 | } | |
862 | } | |
863 | nl = tline; | |
864 | tline += (((lp-linebuf)+03)>>1)&077776; | |
865 | return(nl); | |
866 | } | |
867 | ||
868 | char * | |
869 | getblock(atl, iof) | |
870 | { | |
871 | extern read(), write(); | |
872 | register bno, off; | |
873 | register char *p1, *p2; | |
874 | register int n; | |
875 | ||
876 | bno = (atl>>8)&0377; | |
877 | off = (atl<<1)&0774; | |
878 | if (bno >= 255) { | |
879 | lastc = '\n'; | |
880 | error(T); | |
881 | } | |
882 | nleft = 512 - off; | |
883 | if (bno==iblock) { | |
884 | ichanged |= iof; | |
885 | return(ibuff+off); | |
886 | } | |
887 | if (bno==oblock) | |
888 | return(obuff+off); | |
889 | if (iof==READ) { | |
890 | if (ichanged) { | |
31e58db8 KM |
891 | blkio(iblock, ibuff, write); |
892 | } | |
893 | ichanged = 0; | |
894 | iblock = bno; | |
895 | blkio(bno, ibuff, read); | |
31e58db8 KM |
896 | return(ibuff+off); |
897 | } | |
898 | if (oblock>=0) { | |
31e58db8 KM |
899 | blkio(oblock, obuff, write); |
900 | } | |
901 | oblock = bno; | |
902 | return(obuff+off); | |
903 | } | |
904 | ||
905 | blkio(b, buf, iofcn) | |
906 | char *buf; | |
907 | int (*iofcn)(); | |
908 | { | |
909 | lseek(tfile, (long)b<<9, 0); | |
910 | if ((*iofcn)(tfile, buf, 512) != 512) { | |
911 | error(T); | |
912 | } | |
913 | } | |
914 | ||
915 | init() | |
916 | { | |
917 | register *markp; | |
918 | ||
919 | close(tfile); | |
920 | tline = 2; | |
921 | for (markp = names; markp < &names[26]; ) | |
922 | *markp++ = 0; | |
923 | subnewa = 0; | |
924 | anymarks = 0; | |
925 | iblock = -1; | |
926 | oblock = -1; | |
927 | ichanged = 0; | |
928 | close(creat(tfname, 0600)); | |
929 | tfile = open(tfname, 2); | |
31e58db8 KM |
930 | dot = dol = zero; |
931 | } | |
932 | ||
933 | global(k) | |
934 | { | |
935 | register char *gp; | |
936 | register c; | |
937 | register int *a1; | |
938 | char globuf[GBSIZE]; | |
939 | ||
940 | if (globp) | |
941 | error(Q); | |
942 | setall(); | |
943 | nonzero(); | |
944 | if ((c=getchr())=='\n') | |
945 | error(Q); | |
946 | compile(c); | |
947 | gp = globuf; | |
948 | while ((c = getchr()) != '\n') { | |
949 | if (c==EOF) | |
950 | error(Q); | |
951 | if (c=='\\') { | |
952 | c = getchr(); | |
953 | if (c!='\n') | |
954 | *gp++ = '\\'; | |
955 | } | |
956 | *gp++ = c; | |
957 | if (gp >= &globuf[GBSIZE-2]) | |
958 | error(Q); | |
959 | } | |
960 | *gp++ = '\n'; | |
961 | *gp++ = 0; | |
962 | for (a1=zero; a1<=dol; a1++) { | |
963 | *a1 &= ~01; | |
964 | if (a1>=addr1 && a1<=addr2 && execute(0, a1)==k) | |
965 | *a1 |= 01; | |
966 | } | |
967 | /* | |
968 | * Special case: g/.../d (avoid n^2 algorithm) | |
969 | */ | |
970 | if (globuf[0]=='d' && globuf[1]=='\n' && globuf[2]=='\0') { | |
971 | gdelete(); | |
972 | return; | |
973 | } | |
974 | for (a1=zero; a1<=dol; a1++) { | |
975 | if (*a1 & 01) { | |
976 | *a1 &= ~01; | |
977 | dot = a1; | |
978 | globp = globuf; | |
979 | commands(); | |
980 | a1 = zero; | |
981 | } | |
982 | } | |
983 | } | |
984 | ||
985 | join() | |
986 | { | |
987 | register char *gp, *lp; | |
988 | register *a1; | |
989 | ||
990 | gp = genbuf; | |
991 | for (a1=addr1; a1<=addr2; a1++) { | |
992 | lp = getline(*a1); | |
993 | while (*gp = *lp++) | |
994 | if (gp++ >= &genbuf[LBSIZE-2]) | |
995 | error(Q); | |
996 | } | |
997 | lp = linebuf; | |
998 | gp = genbuf; | |
999 | while (*lp++ = *gp++) | |
1000 | ; | |
1001 | *addr1 = putline(); | |
1002 | if (addr1<addr2) | |
1003 | rdelete(addr1+1, addr2); | |
1004 | dot = addr1; | |
1005 | } | |
1006 | ||
1007 | substitute(inglob) | |
1008 | { | |
1009 | register *markp, *a1, nl; | |
1010 | int gsubf; | |
1011 | int getsub(); | |
1012 | ||
1013 | gsubf = compsub(); | |
1014 | for (a1 = addr1; a1 <= addr2; a1++) { | |
1015 | int *ozero; | |
1016 | if (execute(0, a1)==0) | |
1017 | continue; | |
1018 | inglob |= 01; | |
1019 | dosub(); | |
1020 | if (gsubf) { | |
1021 | while (*loc2) { | |
1022 | if (execute(1, (int *)0)==0) | |
1023 | break; | |
1024 | dosub(); | |
1025 | } | |
1026 | } | |
1027 | subnewa = putline(); | |
1028 | *a1 &= ~01; | |
1029 | if (anymarks) { | |
1030 | for (markp = names; markp < &names[26]; markp++) | |
1031 | if (*markp == *a1) | |
1032 | *markp = subnewa; | |
1033 | } | |
1034 | subolda = *a1; | |
1035 | *a1 = subnewa; | |
1036 | ozero = zero; | |
1037 | nl = append(getsub, a1); | |
1038 | nl += zero-ozero; | |
1039 | a1 += nl; | |
1040 | addr2 += nl; | |
1041 | } | |
1042 | if (inglob==0) | |
1043 | error(Q); | |
1044 | } | |
1045 | ||
1046 | compsub() | |
1047 | { | |
1048 | register seof, c; | |
1049 | register char *p; | |
1050 | ||
1051 | if ((seof = getchr()) == '\n' || seof == ' ') | |
1052 | error(Q); | |
1053 | compile(seof); | |
1054 | p = rhsbuf; | |
1055 | for (;;) { | |
1056 | c = getchr(); | |
1057 | if (c=='\\') | |
1058 | c = getchr() | 0200; | |
1059 | if (c=='\n') { | |
1060 | if (globp) | |
1061 | c |= 0200; | |
1062 | else | |
1063 | error(Q); | |
1064 | } | |
1065 | if (c==seof) | |
1066 | break; | |
1067 | *p++ = c; | |
1068 | if (p >= &rhsbuf[LBSIZE/2]) | |
1069 | error(Q); | |
1070 | } | |
1071 | *p++ = 0; | |
1072 | if ((peekc = getchr()) == 'g') { | |
1073 | peekc = 0; | |
1074 | newline(); | |
1075 | return(1); | |
1076 | } | |
1077 | newline(); | |
1078 | return(0); | |
1079 | } | |
1080 | ||
1081 | getsub() | |
1082 | { | |
1083 | register char *p1, *p2; | |
1084 | ||
1085 | p1 = linebuf; | |
1086 | if ((p2 = linebp) == 0) | |
1087 | return(EOF); | |
1088 | while (*p1++ = *p2++) | |
1089 | ; | |
1090 | linebp = 0; | |
1091 | return(0); | |
1092 | } | |
1093 | ||
1094 | dosub() | |
1095 | { | |
1096 | register char *lp, *sp, *rp; | |
1097 | int c; | |
1098 | ||
1099 | lp = linebuf; | |
1100 | sp = genbuf; | |
1101 | rp = rhsbuf; | |
1102 | while (lp < loc1) | |
1103 | *sp++ = *lp++; | |
1104 | while (c = *rp++&0377) { | |
1105 | if (c=='&') { | |
1106 | sp = place(sp, loc1, loc2); | |
1107 | continue; | |
1108 | } else if (c&0200 && (c &= 0177) >='1' && c < nbra+'1') { | |
1109 | sp = place(sp, braslist[c-'1'], braelist[c-'1']); | |
1110 | continue; | |
1111 | } | |
1112 | *sp++ = c&0177; | |
1113 | if (sp >= &genbuf[LBSIZE]) | |
1114 | error(Q); | |
1115 | } | |
1116 | lp = loc2; | |
1117 | loc2 = sp - genbuf + linebuf; | |
1118 | while (*sp++ = *lp++) | |
1119 | if (sp >= &genbuf[LBSIZE]) | |
1120 | error(Q); | |
1121 | lp = linebuf; | |
1122 | sp = genbuf; | |
1123 | while (*lp++ = *sp++) | |
1124 | ; | |
1125 | } | |
1126 | ||
1127 | char * | |
1128 | place(sp, l1, l2) | |
1129 | register char *sp, *l1, *l2; | |
1130 | { | |
1131 | ||
1132 | while (l1 < l2) { | |
1133 | *sp++ = *l1++; | |
1134 | if (sp >= &genbuf[LBSIZE]) | |
1135 | error(Q); | |
1136 | } | |
1137 | return(sp); | |
1138 | } | |
1139 | ||
1140 | move(cflag) | |
1141 | { | |
1142 | register int *adt, *ad1, *ad2; | |
1143 | int getcopy(); | |
1144 | ||
1145 | setdot(); | |
1146 | nonzero(); | |
1147 | if ((adt = address())==0) | |
1148 | error(Q); | |
1149 | newline(); | |
1150 | if (cflag) { | |
1151 | int *ozero, delta; | |
1152 | ad1 = dol; | |
1153 | ozero = zero; | |
1154 | append(getcopy, ad1++); | |
1155 | ad2 = dol; | |
1156 | delta = zero - ozero; | |
1157 | ad1 += delta; | |
1158 | adt += delta; | |
1159 | } else { | |
1160 | ad2 = addr2; | |
1161 | for (ad1 = addr1; ad1 <= ad2;) | |
1162 | *ad1++ &= ~01; | |
1163 | ad1 = addr1; | |
1164 | } | |
1165 | ad2++; | |
1166 | if (adt<ad1) { | |
1167 | dot = adt + (ad2-ad1); | |
1168 | if ((++adt)==ad1) | |
1169 | return; | |
1170 | reverse(adt, ad1); | |
1171 | reverse(ad1, ad2); | |
1172 | reverse(adt, ad2); | |
1173 | } else if (adt >= ad2) { | |
1174 | dot = adt++; | |
1175 | reverse(ad1, ad2); | |
1176 | reverse(ad2, adt); | |
1177 | reverse(ad1, adt); | |
1178 | } else | |
1179 | error(Q); | |
1180 | fchange = 1; | |
1181 | } | |
1182 | ||
1183 | reverse(a1, a2) | |
1184 | register int *a1, *a2; | |
1185 | { | |
1186 | register int t; | |
1187 | ||
1188 | for (;;) { | |
1189 | t = *--a2; | |
1190 | if (a2 <= a1) | |
1191 | return; | |
1192 | *a2 = *a1; | |
1193 | *a1++ = t; | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | getcopy() | |
1198 | { | |
1199 | if (addr1 > addr2) | |
1200 | return(EOF); | |
1201 | getline(*addr1++); | |
1202 | return(0); | |
1203 | } | |
1204 | ||
1205 | compile(aeof) | |
1206 | { | |
1207 | register eof, c; | |
1208 | register char *ep; | |
1209 | char *lastep; | |
1210 | char bracket[NBRA], *bracketp; | |
1211 | int cclcnt; | |
1212 | ||
1213 | ep = expbuf; | |
1214 | eof = aeof; | |
1215 | bracketp = bracket; | |
1216 | if ((c = getchr()) == eof) { | |
1217 | if (*ep==0) | |
1218 | error(Q); | |
1219 | return; | |
1220 | } | |
1221 | circfl = 0; | |
1222 | nbra = 0; | |
1223 | if (c=='^') { | |
1224 | c = getchr(); | |
1225 | circfl++; | |
1226 | } | |
1227 | peekc = c; | |
1228 | lastep = 0; | |
1229 | for (;;) { | |
1230 | if (ep >= &expbuf[ESIZE]) | |
1231 | goto cerror; | |
1232 | c = getchr(); | |
1233 | if (c==eof) { | |
1234 | if (bracketp != bracket) | |
1235 | goto cerror; | |
1236 | *ep++ = CEOF; | |
1237 | return; | |
1238 | } | |
1239 | if (c!='*') | |
1240 | lastep = ep; | |
1241 | switch (c) { | |
1242 | ||
1243 | case '\\': | |
1244 | if ((c = getchr())=='(') { | |
1245 | if (nbra >= NBRA) | |
1246 | goto cerror; | |
1247 | *bracketp++ = nbra; | |
1248 | *ep++ = CBRA; | |
1249 | *ep++ = nbra++; | |
1250 | continue; | |
1251 | } | |
1252 | if (c == ')') { | |
1253 | if (bracketp <= bracket) | |
1254 | goto cerror; | |
1255 | *ep++ = CKET; | |
1256 | *ep++ = *--bracketp; | |
1257 | continue; | |
1258 | } | |
1259 | if (c>='1' && c<'1'+NBRA) { | |
1260 | *ep++ = CBACK; | |
1261 | *ep++ = c-'1'; | |
1262 | continue; | |
1263 | } | |
1264 | *ep++ = CCHR; | |
1265 | if (c=='\n') | |
1266 | goto cerror; | |
1267 | *ep++ = c; | |
1268 | continue; | |
1269 | ||
1270 | case '.': | |
1271 | *ep++ = CDOT; | |
1272 | continue; | |
1273 | ||
1274 | case '\n': | |
1275 | goto cerror; | |
1276 | ||
1277 | case '*': | |
1278 | if (lastep==0 || *lastep==CBRA || *lastep==CKET) | |
1279 | goto defchar; | |
1280 | *lastep |= STAR; | |
1281 | continue; | |
1282 | ||
1283 | case '$': | |
1284 | if ((peekc=getchr()) != eof) | |
1285 | goto defchar; | |
1286 | *ep++ = CDOL; | |
1287 | continue; | |
1288 | ||
1289 | case '[': | |
1290 | *ep++ = CCL; | |
1291 | *ep++ = 0; | |
1292 | cclcnt = 1; | |
1293 | if ((c=getchr()) == '^') { | |
1294 | c = getchr(); | |
1295 | ep[-2] = NCCL; | |
1296 | } | |
1297 | do { | |
1298 | if (c=='\n') | |
1299 | goto cerror; | |
1300 | if (c=='-' && ep[-1]!=0) { | |
1301 | if ((c=getchr())==']') { | |
1302 | *ep++ = '-'; | |
1303 | cclcnt++; | |
1304 | break; | |
1305 | } | |
1306 | while (ep[-1]<c) { | |
1307 | *ep = ep[-1]+1; | |
1308 | ep++; | |
1309 | cclcnt++; | |
1310 | if (ep>=&expbuf[ESIZE]) | |
1311 | goto cerror; | |
1312 | } | |
1313 | } | |
1314 | *ep++ = c; | |
1315 | cclcnt++; | |
1316 | if (ep >= &expbuf[ESIZE]) | |
1317 | goto cerror; | |
1318 | } while ((c = getchr()) != ']'); | |
1319 | lastep[1] = cclcnt; | |
1320 | continue; | |
1321 | ||
1322 | defchar: | |
1323 | default: | |
1324 | *ep++ = CCHR; | |
1325 | *ep++ = c; | |
1326 | } | |
1327 | } | |
1328 | cerror: | |
1329 | expbuf[0] = 0; | |
1330 | nbra = 0; | |
1331 | error(Q); | |
1332 | } | |
1333 | ||
1334 | execute(gf, addr) | |
1335 | int *addr; | |
1336 | { | |
1337 | register char *p1, *p2, c; | |
1338 | ||
1339 | for (c=0; c<NBRA; c++) { | |
1340 | braslist[c] = 0; | |
1341 | braelist[c] = 0; | |
1342 | } | |
1343 | if (gf) { | |
1344 | if (circfl) | |
1345 | return(0); | |
1346 | p1 = linebuf; | |
1347 | p2 = genbuf; | |
1348 | while (*p1++ = *p2++) | |
1349 | ; | |
1350 | locs = p1 = loc2; | |
1351 | } else { | |
1352 | if (addr==zero) | |
1353 | return(0); | |
1354 | p1 = getline(*addr); | |
1355 | locs = 0; | |
1356 | } | |
1357 | p2 = expbuf; | |
1358 | if (circfl) { | |
1359 | loc1 = p1; | |
1360 | return(advance(p1, p2)); | |
1361 | } | |
1362 | /* fast check for first character */ | |
1363 | if (*p2==CCHR) { | |
1364 | c = p2[1]; | |
1365 | do { | |
1366 | if (*p1!=c) | |
1367 | continue; | |
1368 | if (advance(p1, p2)) { | |
1369 | loc1 = p1; | |
1370 | return(1); | |
1371 | } | |
1372 | } while (*p1++); | |
1373 | return(0); | |
1374 | } | |
1375 | /* regular algorithm */ | |
1376 | do { | |
1377 | if (advance(p1, p2)) { | |
1378 | loc1 = p1; | |
1379 | return(1); | |
1380 | } | |
1381 | } while (*p1++); | |
1382 | return(0); | |
1383 | } | |
1384 | ||
1385 | advance(lp, ep) | |
1386 | register char *ep, *lp; | |
1387 | { | |
1388 | register char *curlp; | |
1389 | int i; | |
1390 | ||
1391 | for (;;) switch (*ep++) { | |
1392 | ||
1393 | case CCHR: | |
1394 | if (*ep++ == *lp++) | |
1395 | continue; | |
1396 | return(0); | |
1397 | ||
1398 | case CDOT: | |
1399 | if (*lp++) | |
1400 | continue; | |
1401 | return(0); | |
1402 | ||
1403 | case CDOL: | |
1404 | if (*lp==0) | |
1405 | continue; | |
1406 | return(0); | |
1407 | ||
1408 | case CEOF: | |
1409 | loc2 = lp; | |
1410 | return(1); | |
1411 | ||
1412 | case CCL: | |
1413 | if (cclass(ep, *lp++, 1)) { | |
1414 | ep += *ep; | |
1415 | continue; | |
1416 | } | |
1417 | return(0); | |
1418 | ||
1419 | case NCCL: | |
1420 | if (cclass(ep, *lp++, 0)) { | |
1421 | ep += *ep; | |
1422 | continue; | |
1423 | } | |
1424 | return(0); | |
1425 | ||
1426 | case CBRA: | |
1427 | braslist[*ep++] = lp; | |
1428 | continue; | |
1429 | ||
1430 | case CKET: | |
1431 | braelist[*ep++] = lp; | |
1432 | continue; | |
1433 | ||
1434 | case CBACK: | |
1435 | if (braelist[i = *ep++]==0) | |
1436 | error(Q); | |
1437 | if (backref(i, lp)) { | |
1438 | lp += braelist[i] - braslist[i]; | |
1439 | continue; | |
1440 | } | |
1441 | return(0); | |
1442 | ||
1443 | case CBACK|STAR: | |
1444 | if (braelist[i = *ep++] == 0) | |
1445 | error(Q); | |
1446 | curlp = lp; | |
1447 | while (backref(i, lp)) | |
1448 | lp += braelist[i] - braslist[i]; | |
1449 | while (lp >= curlp) { | |
1450 | if (advance(lp, ep)) | |
1451 | return(1); | |
1452 | lp -= braelist[i] - braslist[i]; | |
1453 | } | |
1454 | continue; | |
1455 | ||
1456 | case CDOT|STAR: | |
1457 | curlp = lp; | |
1458 | while (*lp++) | |
1459 | ; | |
1460 | goto star; | |
1461 | ||
1462 | case CCHR|STAR: | |
1463 | curlp = lp; | |
1464 | while (*lp++ == *ep) | |
1465 | ; | |
1466 | ep++; | |
1467 | goto star; | |
1468 | ||
1469 | case CCL|STAR: | |
1470 | case NCCL|STAR: | |
1471 | curlp = lp; | |
1472 | while (cclass(ep, *lp++, ep[-1]==(CCL|STAR))) | |
1473 | ; | |
1474 | ep += *ep; | |
1475 | goto star; | |
1476 | ||
1477 | star: | |
1478 | do { | |
1479 | lp--; | |
1480 | if (lp==locs) | |
1481 | break; | |
1482 | if (advance(lp, ep)) | |
1483 | return(1); | |
1484 | } while (lp > curlp); | |
1485 | return(0); | |
1486 | ||
1487 | default: | |
1488 | error(Q); | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | backref(i, lp) | |
1493 | register i; | |
1494 | register char *lp; | |
1495 | { | |
1496 | register char *bp; | |
1497 | ||
1498 | bp = braslist[i]; | |
1499 | while (*bp++ == *lp++) | |
1500 | if (bp >= braelist[i]) | |
1501 | return(1); | |
1502 | return(0); | |
1503 | } | |
1504 | ||
1505 | cclass(set, c, af) | |
1506 | register char *set, c; | |
1507 | { | |
1508 | register n; | |
1509 | ||
1510 | if (c==0) | |
1511 | return(0); | |
1512 | n = *set++; | |
1513 | while (--n) | |
1514 | if (*set++ == c) | |
1515 | return(af); | |
1516 | return(!af); | |
1517 | } | |
1518 | ||
1519 | putd() | |
1520 | { | |
1521 | register r; | |
1522 | ||
1523 | r = count%10; | |
1524 | count /= 10; | |
1525 | if (count) | |
1526 | putd(); | |
1527 | putchr(r + '0'); | |
1528 | } | |
1529 | ||
1530 | puts(sp) | |
1531 | register char *sp; | |
1532 | { | |
1533 | col = 0; | |
1534 | while (*sp) | |
1535 | putchr(*sp++); | |
1536 | putchr('\n'); | |
1537 | } | |
1538 | ||
1539 | char line[70]; | |
1540 | char *linp = line; | |
1541 | ||
1542 | putchr(ac) | |
1543 | { | |
1544 | register char *lp; | |
1545 | register c; | |
1546 | ||
1547 | lp = linp; | |
1548 | c = ac; | |
1549 | if (listf) { | |
1550 | col++; | |
1551 | if (col >= 72) { | |
1552 | col = 0; | |
1553 | *lp++ = '\\'; | |
1554 | *lp++ = '\n'; | |
1555 | } | |
1556 | if (c=='\t') { | |
1557 | c = '>'; | |
1558 | goto esc; | |
1559 | } | |
1560 | if (c=='\b') { | |
1561 | c = '<'; | |
1562 | esc: | |
1563 | *lp++ = '-'; | |
1564 | *lp++ = '\b'; | |
1565 | *lp++ = c; | |
1566 | goto out; | |
1567 | } | |
1568 | if (c<' ' && c!= '\n') { | |
1569 | *lp++ = '\\'; | |
1570 | *lp++ = (c>>3)+'0'; | |
1571 | *lp++ = (c&07)+'0'; | |
1572 | col += 2; | |
1573 | goto out; | |
1574 | } | |
1575 | } | |
1576 | *lp++ = c; | |
1577 | out: | |
1578 | if(c == '\n' || lp >= &line[64]) { | |
1579 | linp = line; | |
1580 | write(1, line, lp-line); | |
1581 | return; | |
1582 | } | |
1583 | linp = lp; | |
1584 | } | |
62793f1c | 1585 |