Commit | Line | Data |
---|---|---|
2ec5f51d NW |
1 | /* |
2 | * Copyright (c) 1988 Mark Nudleman | |
3 | * Copyright (c) 1988 Regents of the University of California. | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * 3. All advertising materials mentioning features or use of this software | |
15 | * must display the following acknowledgement: | |
16 | * This product includes software developed by the University of | |
17 | * California, Berkeley and its contributors. | |
18 | * 4. Neither the name of the University nor the names of its contributors | |
19 | * may be used to endorse or promote products derived from this software | |
20 | * without specific prior written permission. | |
21 | * | |
22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
33 | */ | |
34 | ||
35 | #ifndef lint | |
36 | static char sccsid[] = "@(#)command.c 5.22 (Berkeley) 6/21/92"; | |
37 | #endif /* not lint */ | |
38 | ||
39 | #include <sys/param.h> | |
40 | #include <stdio.h> | |
41 | #include <ctype.h> | |
42 | #include <less.h> | |
43 | #include "pathnames.h" | |
44 | ||
accf6eca AS |
45 | extern off_t position(); |
46 | ||
2ec5f51d NW |
47 | #define NO_MCA 0 |
48 | #define MCA_DONE 1 | |
49 | #define MCA_MORE 2 | |
50 | ||
51 | extern int erase_char, kill_char, werase_char; | |
52 | extern int ispipe; | |
53 | extern int sigs; | |
54 | extern int quit_at_eof; | |
55 | extern int hit_eof; | |
56 | extern int sc_width; | |
57 | extern int sc_height; | |
58 | extern int sc_window; | |
59 | extern int curr_ac; | |
60 | extern int ac; | |
61 | extern int quitting; | |
62 | extern int scroll; | |
63 | extern int screen_trashed; /* The screen has been overwritten */ | |
64 | ||
65 | static char cmdbuf[120]; /* Buffer for holding a multi-char command */ | |
66 | static char *cp; /* Pointer into cmdbuf */ | |
67 | static int cmd_col; /* Current column of the multi-char command */ | |
68 | static int longprompt; /* if stat command instead of prompt */ | |
69 | static int mca; /* The multicharacter command (action) */ | |
70 | static int last_mca; /* The previous mca */ | |
71 | static int number; /* The number typed by the user */ | |
9368ffc5 | 72 | static char *shellcmd = NULL; /* Pointer to a shell command */ |
2ec5f51d NW |
73 | static int wsearch; /* Search for matches (1) or non-matches (0) */ |
74 | ||
75 | #define CMD_RESET cp = cmdbuf /* reset command buffer to empty */ | |
76 | #define CMD_EXEC lower_left(); flush() | |
77 | ||
78 | /* backspace in command buffer. */ | |
79 | static | |
80 | cmd_erase() | |
81 | { | |
82 | /* | |
83 | * backspace past beginning of the string: this usually means | |
84 | * abort the command. | |
85 | */ | |
86 | if (cp == cmdbuf) | |
87 | return(1); | |
88 | ||
89 | /* erase an extra character, for the carat. */ | |
90 | if (CONTROL_CHAR(*--cp)) { | |
91 | backspace(); | |
92 | --cmd_col; | |
93 | } | |
94 | ||
95 | backspace(); | |
96 | --cmd_col; | |
97 | return(0); | |
98 | } | |
99 | ||
100 | /* set up the display to start a new multi-character command. */ | |
101 | start_mca(action, prompt) | |
102 | int action; | |
103 | char *prompt; | |
104 | { | |
105 | lower_left(); | |
106 | clear_eol(); | |
107 | putstr(prompt); | |
108 | cmd_col = strlen(prompt); | |
109 | mca = action; | |
110 | } | |
111 | ||
112 | /* | |
113 | * process a single character of a multi-character command, such as | |
114 | * a number, or the pattern of a search command. | |
115 | */ | |
116 | static | |
117 | cmd_char(c) | |
118 | int c; | |
119 | { | |
120 | if (c == erase_char) | |
121 | return(cmd_erase()); | |
122 | /* in this order, in case werase == erase_char */ | |
123 | if (c == werase_char) { | |
124 | if (cp > cmdbuf) { | |
125 | while (isspace(cp[-1]) && !cmd_erase()); | |
126 | while (!isspace(cp[-1]) && !cmd_erase()); | |
127 | while (isspace(cp[-1]) && !cmd_erase()); | |
128 | } | |
129 | return(cp == cmdbuf); | |
130 | } | |
131 | if (c == kill_char) { | |
132 | while (!cmd_erase()); | |
133 | return(1); | |
134 | } | |
135 | /* | |
136 | * No room in the command buffer, or no room on the screen; | |
137 | * {{ Could get fancy here; maybe shift the displayed line | |
138 | * and make room for more chars, like ksh. }} | |
139 | */ | |
140 | if (cp >= &cmdbuf[sizeof(cmdbuf)-1] || cmd_col >= sc_width-3) | |
141 | bell(); | |
142 | else { | |
143 | *cp++ = c; | |
144 | if (CONTROL_CHAR(c)) { | |
145 | putchr('^'); | |
146 | cmd_col++; | |
147 | c = CARAT_CHAR(c); | |
148 | } | |
149 | putchr(c); | |
150 | cmd_col++; | |
151 | } | |
152 | return(0); | |
153 | } | |
154 | ||
155 | prompt() | |
156 | { | |
157 | extern int linenums, short_file; | |
158 | extern char *current_name, *firstsearch, *next_name; | |
accf6eca | 159 | off_t len, pos, ch_length(), forw_line(); |
2ec5f51d NW |
160 | char pbuf[40]; |
161 | ||
162 | /* | |
163 | * if nothing is displayed yet, display starting from line 1; | |
164 | * if search string provided, go there instead. | |
165 | */ | |
166 | if (position(TOP) == NULL_POSITION) { | |
167 | if (forw_line((off_t)0) == NULL_POSITION) | |
168 | return(0); | |
169 | if (!firstsearch || !search(1, firstsearch, 1, 1)) | |
170 | jump_back(1); | |
171 | } | |
172 | else if (screen_trashed) | |
173 | repaint(); | |
174 | ||
175 | /* if no -e flag and we've hit EOF on the last file, quit. */ | |
176 | if ((!quit_at_eof || short_file) && hit_eof && curr_ac + 1 >= ac) | |
177 | quit(); | |
178 | ||
179 | /* select the proper prompt and display it. */ | |
180 | lower_left(); | |
181 | clear_eol(); | |
182 | if (longprompt) { | |
183 | so_enter(); | |
184 | putstr(current_name); | |
185 | putstr(":"); | |
186 | if (!ispipe) { | |
187 | (void)sprintf(pbuf, " file %d/%d", curr_ac + 1, ac); | |
188 | putstr(pbuf); | |
189 | } | |
190 | if (linenums) { | |
191 | (void)sprintf(pbuf, " line %d", currline(BOTTOM)); | |
192 | putstr(pbuf); | |
193 | } | |
194 | if ((pos = position(BOTTOM)) != NULL_POSITION) { | |
48c455e8 | 195 | (void)sprintf(pbuf, " byte %ld", pos); |
2ec5f51d NW |
196 | putstr(pbuf); |
197 | if (!ispipe && (len = ch_length())) { | |
6641421c | 198 | (void)sprintf(pbuf, "/%ld pct %ld%%", |
2ec5f51d NW |
199 | len, ((100 * pos) / len)); |
200 | putstr(pbuf); | |
201 | } | |
202 | } | |
203 | so_exit(); | |
204 | longprompt = 0; | |
205 | } | |
206 | else { | |
207 | so_enter(); | |
208 | putstr(current_name); | |
209 | if (hit_eof) | |
210 | if (next_name) { | |
211 | putstr(": END (next file: "); | |
212 | putstr(next_name); | |
213 | putstr(")"); | |
214 | } | |
215 | else | |
216 | putstr(": END"); | |
217 | else if (!ispipe && | |
218 | (pos = position(BOTTOM)) != NULL_POSITION && | |
219 | (len = ch_length())) { | |
6641421c | 220 | (void)sprintf(pbuf, " (%ld%%)", ((100 * pos) / len)); |
2ec5f51d NW |
221 | putstr(pbuf); |
222 | } | |
223 | so_exit(); | |
224 | } | |
225 | return(1); | |
226 | } | |
227 | ||
228 | /* get command character. */ | |
229 | static | |
230 | getcc() | |
231 | { | |
232 | extern int cmdstack; | |
233 | int ch; | |
234 | ||
235 | /* left over from error() routine. */ | |
236 | if (cmdstack) { | |
237 | ch = cmdstack; | |
238 | cmdstack = NULL; | |
239 | return(ch); | |
240 | } | |
241 | if (cp > cmdbuf && position(TOP) == NULL_POSITION) { | |
242 | /* | |
243 | * Command is incomplete, so try to complete it. | |
244 | * There are only two cases: | |
245 | * 1. We have "/string" but no newline. Add the \n. | |
246 | * 2. We have a number but no command. Treat as #g. | |
247 | * (This is all pretty hokey.) | |
248 | */ | |
249 | if (mca != A_DIGIT) | |
250 | /* Not a number; must be search string */ | |
251 | return('\n'); | |
252 | else | |
253 | /* A number; append a 'g' */ | |
254 | return('g'); | |
255 | } | |
256 | return(getchr()); | |
257 | } | |
258 | ||
259 | /* execute a multicharacter command. */ | |
260 | static | |
261 | exec_mca() | |
262 | { | |
263 | extern int file; | |
264 | extern char *tagfile; | |
265 | register char *p; | |
9368ffc5 | 266 | char *glob(), *fexpand(); |
2ec5f51d NW |
267 | |
268 | *cp = '\0'; | |
269 | CMD_EXEC; | |
270 | switch (mca) { | |
271 | case A_F_SEARCH: | |
272 | (void)search(1, cmdbuf, number, wsearch); | |
273 | break; | |
274 | case A_B_SEARCH: | |
275 | (void)search(0, cmdbuf, number, wsearch); | |
276 | break; | |
277 | case A_EXAMINE: | |
278 | for (p = cmdbuf; isspace(*p); ++p); | |
279 | (void)edit(glob(p)); | |
280 | break; | |
9368ffc5 AM |
281 | case A_SHELL: |
282 | /* | |
283 | * Copy cmdbuf to shellcmd, | |
284 | * expanding any special characters ("%" or "#" | |
285 | * or an initial !). | |
286 | */ | |
287 | if ((p = fexpand(cmdbuf, shellcmd)) == NULL) | |
288 | break; | |
289 | else if (shellcmd != NULL) | |
290 | free(shellcmd); | |
291 | lsystem(shellcmd = p); | |
292 | error("!done"); | |
293 | break; | |
2ec5f51d NW |
294 | case A_TAGFILE: |
295 | for (p = cmdbuf; isspace(*p); ++p); | |
296 | findtag(p); | |
297 | if (tagfile == NULL) | |
298 | break; | |
299 | if (edit(tagfile)) | |
300 | (void)tagsearch(); | |
301 | break; | |
302 | } | |
303 | } | |
304 | ||
305 | /* add a character to a multi-character command. */ | |
306 | static | |
307 | mca_char(c) | |
308 | int c; | |
309 | { | |
310 | switch (mca) { | |
311 | case 0: /* not in a multicharacter command. */ | |
312 | case A_PREFIX: /* in the prefix of a command. */ | |
313 | return(NO_MCA); | |
314 | case A_DIGIT: | |
315 | /* | |
316 | * Entering digits of a number. | |
317 | * Terminated by a non-digit. | |
318 | */ | |
319 | if (!isascii(c) || !isdigit(c) && | |
320 | c != erase_char && c != kill_char && c != werase_char) { | |
321 | /* | |
322 | * Not part of the number. | |
323 | * Treat as a normal command character. | |
324 | */ | |
325 | *cp = '\0'; | |
326 | number = atoi(cmdbuf); | |
327 | CMD_RESET; | |
328 | mca = 0; | |
329 | return(NO_MCA); | |
330 | } | |
331 | break; | |
332 | } | |
333 | ||
334 | /* | |
335 | * Any other multicharacter command | |
336 | * is terminated by a newline. | |
337 | */ | |
338 | if (c == '\n' || c == '\r') { | |
339 | exec_mca(); | |
340 | return(MCA_DONE); | |
341 | } | |
342 | ||
343 | /* append the char to the command buffer. */ | |
344 | if (cmd_char(c)) | |
345 | return(MCA_DONE); | |
346 | ||
347 | return(MCA_MORE); | |
348 | } | |
349 | ||
350 | /* | |
351 | * Main command processor. | |
352 | * Accept and execute commands until a quit command, then return. | |
353 | */ | |
354 | commands() | |
355 | { | |
356 | register int c; | |
357 | register int action; | |
358 | ||
359 | last_mca = 0; | |
360 | scroll = (sc_height + 1) / 2; | |
361 | ||
362 | for (;;) { | |
363 | mca = 0; | |
364 | number = 0; | |
365 | ||
366 | /* | |
367 | * See if any signals need processing. | |
368 | */ | |
369 | if (sigs) { | |
370 | psignals(); | |
371 | if (quitting) | |
372 | quit(); | |
373 | } | |
374 | /* | |
375 | * Display prompt and accept a character. | |
376 | */ | |
377 | CMD_RESET; | |
378 | if (!prompt()) { | |
379 | next_file(1); | |
380 | continue; | |
381 | } | |
382 | noprefix(); | |
383 | c = getcc(); | |
384 | ||
385 | again: if (sigs) | |
386 | continue; | |
387 | ||
388 | /* | |
389 | * If we are in a multicharacter command, call mca_char. | |
390 | * Otherwise we call cmd_decode to determine the | |
391 | * action to be performed. | |
392 | */ | |
393 | if (mca) | |
394 | switch (mca_char(c)) { | |
395 | case MCA_MORE: | |
396 | /* | |
397 | * Need another character. | |
398 | */ | |
399 | c = getcc(); | |
400 | goto again; | |
401 | case MCA_DONE: | |
402 | /* | |
403 | * Command has been handled by mca_char. | |
404 | * Start clean with a prompt. | |
405 | */ | |
406 | continue; | |
407 | case NO_MCA: | |
408 | /* | |
409 | * Not a multi-char command | |
410 | * (at least, not anymore). | |
411 | */ | |
412 | break; | |
413 | } | |
414 | ||
415 | /* decode the command character and decide what to do. */ | |
416 | switch (action = cmd_decode(c)) { | |
417 | case A_DIGIT: /* first digit of a number */ | |
418 | start_mca(A_DIGIT, ":"); | |
419 | goto again; | |
420 | case A_F_SCREEN: /* forward one screen */ | |
421 | CMD_EXEC; | |
422 | if (number <= 0 && (number = sc_window) <= 0) | |
423 | number = sc_height - 1; | |
424 | forward(number, 1); | |
425 | break; | |
426 | case A_B_SCREEN: /* backward one screen */ | |
427 | CMD_EXEC; | |
428 | if (number <= 0 && (number = sc_window) <= 0) | |
429 | number = sc_height - 1; | |
430 | backward(number, 1); | |
431 | break; | |
432 | case A_F_LINE: /* forward N (default 1) line */ | |
433 | CMD_EXEC; | |
434 | forward(number <= 0 ? 1 : number, 0); | |
435 | break; | |
436 | case A_B_LINE: /* backward N (default 1) line */ | |
437 | CMD_EXEC; | |
438 | backward(number <= 0 ? 1 : number, 0); | |
439 | break; | |
440 | case A_F_SCROLL: /* forward N lines */ | |
441 | CMD_EXEC; | |
442 | if (number > 0) | |
443 | scroll = number; | |
444 | forward(scroll, 0); | |
445 | break; | |
446 | case A_B_SCROLL: /* backward N lines */ | |
447 | CMD_EXEC; | |
448 | if (number > 0) | |
449 | scroll = number; | |
450 | backward(scroll, 0); | |
451 | break; | |
452 | case A_FREPAINT: /* flush buffers and repaint */ | |
453 | if (!ispipe) { | |
454 | ch_init(0, 0); | |
455 | clr_linenum(); | |
456 | } | |
457 | /* FALLTHROUGH */ | |
458 | case A_REPAINT: /* repaint the screen */ | |
459 | CMD_EXEC; | |
460 | repaint(); | |
461 | break; | |
462 | case A_GOLINE: /* go to line N, default 1 */ | |
463 | CMD_EXEC; | |
464 | if (number <= 0) | |
465 | number = 1; | |
466 | jump_back(number); | |
467 | break; | |
468 | case A_PERCENT: /* go to percent of file */ | |
469 | CMD_EXEC; | |
470 | if (number < 0) | |
471 | number = 0; | |
472 | else if (number > 100) | |
473 | number = 100; | |
474 | jump_percent(number); | |
475 | break; | |
476 | case A_GOEND: /* go to line N, default end */ | |
477 | CMD_EXEC; | |
478 | if (number <= 0) | |
479 | jump_forw(); | |
480 | else | |
481 | jump_back(number); | |
482 | break; | |
483 | case A_STAT: /* print file name, etc. */ | |
484 | longprompt = 1; | |
485 | continue; | |
486 | case A_QUIT: /* exit */ | |
487 | quit(); | |
488 | case A_F_SEARCH: /* search for a pattern */ | |
489 | case A_B_SEARCH: | |
490 | if (number <= 0) | |
491 | number = 1; | |
492 | start_mca(action, (action==A_F_SEARCH) ? "/" : "?"); | |
493 | last_mca = mca; | |
494 | wsearch = 1; | |
495 | c = getcc(); | |
496 | if (c == '!') { | |
497 | /* | |
498 | * Invert the sense of the search; set wsearch | |
499 | * to 0 and get a new character for the start | |
500 | * of the pattern. | |
501 | */ | |
502 | start_mca(action, | |
503 | (action == A_F_SEARCH) ? "!/" : "!?"); | |
504 | wsearch = 0; | |
505 | c = getcc(); | |
506 | } | |
507 | goto again; | |
508 | case A_AGAIN_SEARCH: /* repeat previous search */ | |
509 | if (number <= 0) | |
510 | number = 1; | |
511 | if (wsearch) | |
512 | start_mca(last_mca, | |
513 | (last_mca == A_F_SEARCH) ? "/" : "?"); | |
514 | else | |
515 | start_mca(last_mca, | |
516 | (last_mca == A_F_SEARCH) ? "!/" : "!?"); | |
517 | CMD_EXEC; | |
518 | (void)search(mca == A_F_SEARCH, (char *)NULL, | |
519 | number, wsearch); | |
520 | break; | |
521 | case A_HELP: /* help */ | |
522 | lower_left(); | |
523 | clear_eol(); | |
524 | putstr("help"); | |
525 | CMD_EXEC; | |
526 | help(); | |
527 | break; | |
528 | case A_TAGFILE: /* tag a new file */ | |
529 | CMD_RESET; | |
530 | start_mca(A_TAGFILE, "Tag: "); | |
531 | c = getcc(); | |
532 | goto again; | |
533 | case A_FILE_LIST: /* show list of file names */ | |
534 | CMD_EXEC; | |
535 | showlist(); | |
536 | repaint(); | |
537 | break; | |
538 | case A_EXAMINE: /* edit a new file */ | |
539 | CMD_RESET; | |
540 | start_mca(A_EXAMINE, "Examine: "); | |
541 | c = getcc(); | |
542 | goto again; | |
543 | case A_VISUAL: /* invoke the editor */ | |
544 | if (ispipe) { | |
545 | error("Cannot edit standard input"); | |
546 | break; | |
547 | } | |
548 | CMD_EXEC; | |
549 | editfile(); | |
550 | ch_init(0, 0); | |
551 | clr_linenum(); | |
552 | break; | |
553 | case A_NEXT_FILE: /* examine next file */ | |
554 | if (number <= 0) | |
555 | number = 1; | |
556 | next_file(number); | |
557 | break; | |
558 | case A_PREV_FILE: /* examine previous file */ | |
559 | if (number <= 0) | |
560 | number = 1; | |
561 | prev_file(number); | |
562 | break; | |
563 | case A_SETMARK: /* set a mark */ | |
564 | lower_left(); | |
565 | clear_eol(); | |
566 | start_mca(A_SETMARK, "mark: "); | |
567 | c = getcc(); | |
568 | if (c == erase_char || c == kill_char) | |
569 | break; | |
570 | setmark(c); | |
571 | break; | |
572 | case A_GOMARK: /* go to mark */ | |
573 | lower_left(); | |
574 | clear_eol(); | |
575 | start_mca(A_GOMARK, "goto mark: "); | |
576 | c = getcc(); | |
577 | if (c == erase_char || c == kill_char) | |
578 | break; | |
579 | gomark(c); | |
580 | break; | |
9368ffc5 AM |
581 | case A_SHELL: |
582 | /* | |
583 | * Shell escape. | |
584 | */ | |
585 | start_mca(A_SHELL, "!"); | |
586 | c = getcc(); | |
587 | goto again; | |
2ec5f51d NW |
588 | case A_PREFIX: |
589 | /* | |
590 | * The command is incomplete (more chars are needed). | |
591 | * Display the current char so the user knows what's | |
592 | * going on and get another character. | |
593 | */ | |
594 | if (mca != A_PREFIX) | |
595 | start_mca(A_PREFIX, ""); | |
596 | if (CONTROL_CHAR(c)) { | |
597 | putchr('^'); | |
598 | c = CARAT_CHAR(c); | |
599 | } | |
600 | putchr(c); | |
601 | c = getcc(); | |
602 | goto again; | |
603 | default: | |
604 | bell(); | |
605 | break; | |
606 | } | |
607 | } | |
608 | } | |
609 | ||
610 | editfile() | |
611 | { | |
612 | extern char *current_file; | |
613 | static int dolinenumber; | |
614 | static char *editor; | |
615 | int c; | |
616 | char buf[MAXPATHLEN * 2 + 20], *getenv(); | |
617 | ||
618 | if (editor == NULL) { | |
619 | editor = getenv("EDITOR"); | |
620 | /* pass the line number to vi */ | |
621 | if (editor == NULL || *editor == '\0') { | |
622 | editor = _PATH_VI; | |
623 | dolinenumber = 1; | |
624 | } | |
625 | else | |
626 | dolinenumber = 0; | |
627 | } | |
628 | if (dolinenumber && (c = currline(MIDDLE))) | |
629 | (void)sprintf(buf, "%s +%d %s", editor, c, current_file); | |
630 | else | |
631 | (void)sprintf(buf, "%s %s", editor, current_file); | |
632 | lsystem(buf); | |
633 | } | |
634 | ||
635 | showlist() | |
636 | { | |
637 | extern int sc_width; | |
638 | extern char **av; | |
639 | register int indx, width; | |
640 | int len; | |
641 | char *p; | |
642 | ||
643 | if (ac <= 0) { | |
644 | error("No files provided as arguments."); | |
645 | return; | |
646 | } | |
647 | for (width = indx = 0; indx < ac;) { | |
648 | p = strcmp(av[indx], "-") ? av[indx] : "stdin"; | |
649 | len = strlen(p) + 1; | |
650 | if (curr_ac == indx) | |
651 | len += 2; | |
652 | if (width + len + 1 >= sc_width) { | |
653 | if (!width) { | |
654 | if (curr_ac == indx) | |
655 | putchr('['); | |
656 | putstr(p); | |
657 | if (curr_ac == indx) | |
658 | putchr(']'); | |
659 | ++indx; | |
660 | } | |
661 | width = 0; | |
662 | putchr('\n'); | |
663 | continue; | |
664 | } | |
665 | if (width) | |
666 | putchr(' '); | |
667 | if (curr_ac == indx) | |
668 | putchr('['); | |
669 | putstr(p); | |
670 | if (curr_ac == indx) | |
671 | putchr(']'); | |
672 | width += len; | |
673 | ++indx; | |
674 | } | |
675 | putchr('\n'); | |
676 | error((char *)NULL); | |
677 | } |