Subversion Repositories planix.SVN

Rev

Rev 2 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 - 1 
#include <u.h>
2 
#include <libc.h>
3 
#include <draw.h>
4 
#include <thread.h>
5 
#include <cursor.h>
6 
#include <mouse.h>
7 
#include <keyboard.h>
8 
#include <frame.h>
9 
#include <fcall.h>
10 
#include <plumb.h>
11 
#include "dat.h"
12 
#include "fns.h"
13 
 
14 
Buffer	snarfbuf;
15 
 
16 
/*
17 
 * These functions get called as:
18 
 *
19 
 *	fn(et, t, argt, flag1, flag1, flag2, s, n);
20 
 *
21 
 * Where the arguments are:
22 
 *
23 
 *	et: the Text* in which the executing event (click) occurred
24 
 *	t: the Text* containing the current selection (Edit, Cut, Snarf, Paste)
25 
 *	argt: the Text* containing the argument for a 2-1 click.
26 
 *	e->flag1: from Exectab entry
27 
 * 	e->flag2: from Exectab entry
28 
 *	s: the command line remainder (e.g., "x" if executing "Dump x")
29 
 *	n: length of s  (s is *not* NUL-terminated)
30 
 */
31 
 
32 
void	del(Text*, Text*, Text*, int, int, Rune*, int);
33 
void	delcol(Text*, Text*, Text*, int, int, Rune*, int);
34 
void	dump(Text*, Text*, Text*, int, int, Rune*, int);
35 
void	edit(Text*, Text*, Text*, int, int, Rune*, int);
36 
void	exit(Text*, Text*, Text*, int, int, Rune*, int);
37 
void	fontx(Text*, Text*, Text*, int, int, Rune*, int);
38 
void	get(Text*, Text*, Text*, int, int, Rune*, int);
39 
void	id(Text*, Text*, Text*, int, int, Rune*, int);
40 
void	incl(Text*, Text*, Text*, int, int, Rune*, int);
41 
void	indent(Text*, Text*, Text*, int, int, Rune*, int);
42 
void	kill(Text*, Text*, Text*, int, int, Rune*, int);
43 
void	local(Text*, Text*, Text*, int, int, Rune*, int);
44 
void	look(Text*, Text*, Text*, int, int, Rune*, int);
45 
void	newcol(Text*, Text*, Text*, int, int, Rune*, int);
46 
void	paste(Text*, Text*, Text*, int, int, Rune*, int);
47 
void	put(Text*, Text*, Text*, int, int, Rune*, int);
48 
void	putall(Text*, Text*, Text*, int, int, Rune*, int);
49 
void	sendx(Text*, Text*, Text*, int, int, Rune*, int);
50 
void	sort(Text*, Text*, Text*, int, int, Rune*, int);
51 
void	tab(Text*, Text*, Text*, int, int, Rune*, int);
52 
void	zeroxx(Text*, Text*, Text*, int, int, Rune*, int);
53 
 
54 
typedef struct Exectab Exectab;
55 
struct Exectab
56 
{
57 
	Rune	*name;
58 
	void	(*fn)(Text*, Text*, Text*, int, int, Rune*, int);
59 
	int		mark;
60 
	int		flag1;
61 
	int		flag2;
62 
};
63 
 
64 
Exectab exectab[] = {
65 
	{ L"Cut",		cut,		TRUE,	TRUE,	TRUE	},
66 
	{ L"Del",		del,		FALSE,	FALSE,	XXX		},
67 
	{ L"Delcol",	delcol,	FALSE,	XXX,		XXX		},
68 
	{ L"Delete",	del,		FALSE,	TRUE,	XXX		},
69 
	{ L"Dump",	dump,	FALSE,	TRUE,	XXX		},
70 
	{ L"Edit",		edit,		FALSE,	XXX,		XXX		},
71 
	{ L"Exit",		exit,		FALSE,	XXX,		XXX		},
72 
	{ L"Font",		fontx,	FALSE,	XXX,		XXX		},
73 
	{ L"Get",		get,		FALSE,	TRUE,	XXX		},
74 
	{ L"ID",		id,		FALSE,	XXX,		XXX		},
75 
	{ L"Incl",		incl,		FALSE,	XXX,		XXX		},
76 
	{ L"Indent",	indent,	FALSE,	XXX,		XXX		},
77 
	{ L"Kill",		kill,		FALSE,	XXX,		XXX		},
78 
	{ L"Load",		dump,	FALSE,	FALSE,	XXX		},
79 
	{ L"Local",		local,	FALSE,	XXX,		XXX		},
80 
	{ L"Look",		look,		FALSE,	XXX,		XXX		},
81 
	{ L"New",		new,		FALSE,	XXX,		XXX		},
82 
	{ L"Newcol",	newcol,	FALSE,	XXX,		XXX		},
83 
	{ L"Paste",		paste,	TRUE,	TRUE,	XXX		},
84 
	{ L"Put",		put,		FALSE,	XXX,		XXX		},
85 
	{ L"Putall",		putall,	FALSE,	XXX,		XXX		},
86 
	{ L"Redo",		undo,	FALSE,	FALSE,	XXX		},
87 
	{ L"Send",		sendx,	TRUE,	XXX,		XXX		},
88 
	{ L"Snarf",		cut,		FALSE,	TRUE,	FALSE	},
89 
	{ L"Sort",		sort,		FALSE,	XXX,		XXX		},
90 
	{ L"Tab",		tab,		FALSE,	XXX,		XXX		},
91 
	{ L"Undo",		undo,	FALSE,	TRUE,	XXX		},
92 
	{ L"Zerox",	zeroxx,	FALSE,	XXX,		XXX		},
93 
	{ nil, 			nil,		0,		0,		0		},
94 
};
95 
 
96 
Exectab*
97 
lookup(Rune *r, int n)
98 
{
99 
	Exectab *e;
100 
	int nr;
101 
 
102 
	r = skipbl(r, n, &n);
103 
	if(n == 0)
104 
		return nil;
105 
	findbl(r, n, &nr);
106 
	nr = n-nr;
107 
	for(e=exectab; e->name; e++)
108 
		if(runeeq(r, nr, e->name, runestrlen(e->name)) == TRUE)
109 
			return e;
110 
	return nil;
111 
}
112 
 
113 
int
114 
isexecc(int c)
115 
{
116 
	if(isfilec(c))
117 
		return 1;
118 
	return c=='<' || c=='|' || c=='>';
119 
}
120 
 
121 
void
122 
execute(Text *t, uint aq0, uint aq1, int external, Text *argt)
123 
{
124 
	uint q0, q1;
125 
	Rune *r, *s;
126 
	char *b, *a, *aa;
127 
	Exectab *e;
128 
	int c, n, f;
129 
	Runestr dir;
130 
 
131 
	q0 = aq0;
132 
	q1 = aq1;
133 
	if(q1 == q0){	/* expand to find word (actually file name) */
134 
		/* if in selection, choose selection */
135 
		if(t->q1>t->q0 && t->q0<=q0 && q0<=t->q1){
136 
			q0 = t->q0;
137 
			q1 = t->q1;
138 
		}else{
139 
			while(q1<t->file->nc && isexecc(c=textreadc(t, q1)) && c!=':')
140 
				q1++;
141 
			while(q0>0 && isexecc(c=textreadc(t, q0-1)) && c!=':')
142 
				q0--;
143 
			if(q1 == q0)
144 
				return;
145 
		}
146 
	}
147 
	r = runemalloc(q1-q0);
148 
	bufread(t->file, q0, r, q1-q0);
149 
	e = lookup(r, q1-q0);
150 
	if(!external && t->w!=nil && t->w->nopen[QWevent]>0){
151 
		f = 0;
152 
		if(e)
153 
			f |= 1;
154 
		if(q0!=aq0 || q1!=aq1){
155 
			bufread(t->file, aq0, r, aq1-aq0);
156 
			f |= 2;
157 
		}
158 
		aa = getbytearg(argt, TRUE, TRUE, &a);
159 
		if(a){
160 
			if(strlen(a) > EVENTSIZE){	/* too big; too bad */
161 
				free(aa);
162 
				free(a);
163 
				warning(nil, "`argument string too long\n");
164 
				return;
165 
			}
166 
			f |= 8;
167 
		}
168 
		c = 'x';
169 
		if(t->what == Body)
170 
			c = 'X';
171 
		n = aq1-aq0;
172 
		if(n <= EVENTSIZE)
173 
			winevent(t->w, "%c%d %d %d %d %.*S\n", c, aq0, aq1, f, n, n, r);
174 
		else
175 
			winevent(t->w, "%c%d %d %d 0 \n", c, aq0, aq1, f, n);
176 
		if(q0!=aq0 || q1!=aq1){
177 
			n = q1-q0;
178 
			bufread(t->file, q0, r, n);
179 
			if(n <= EVENTSIZE)
180 
				winevent(t->w, "%c%d %d 0 %d %.*S\n", c, q0, q1, n, n, r);
181 
			else
182 
				winevent(t->w, "%c%d %d 0 0 \n", c, q0, q1, n);
183 
		}
184 
		if(a){
185 
			winevent(t->w, "%c0 0 0 %d %s\n", c, utflen(a), a);
186 
			if(aa)
187 
				winevent(t->w, "%c0 0 0 %d %s\n", c, utflen(aa), aa);
188 
			else
189 
				winevent(t->w, "%c0 0 0 0 \n", c);
190 
		}
191 
		free(r);
192 
		free(aa);
193 
		free(a);
194 
		return;
195 
	}
196 
	if(e){
197 
		if(e->mark && seltext!=nil)
198 
		if(seltext->what == Body){
199 
			seq++;
200 
			filemark(seltext->w->body.file);
201 
		}
202 
		s = skipbl(r, q1-q0, &n);
203 
		s = findbl(s, n, &n);
204 
		s = skipbl(s, n, &n);
205 
		(*e->fn)(t, seltext, argt, e->flag1, e->flag2, s, n);
206 
		free(r);
207 
		return;
208 
	}
209 
 
210 
	b = runetobyte(r, q1-q0);
211 
	free(r);
212 
	dir = dirname(t, nil, 0);
213 
	if(dir.nr==1 && dir.r[0]=='.'){	/* sigh */
214 
		free(dir.r);
215 
		dir.r = nil;
216 
		dir.nr = 0;
217 
	}
218 
	aa = getbytearg(argt, TRUE, TRUE, &a);
219 
	if(t->w)
220 
		incref(t->w);
221 
	run(t->w, b, dir.r, dir.nr, TRUE, aa, a, FALSE);
222 
}
223 
 
224 
char*
225 
printarg(Text *argt, uint q0, uint q1)
226 
{
227 
	char *buf;
228 
 
229 
	if(argt->what!=Body || argt->file->name==nil)
230 
		return nil;
231 
	buf = emalloc(argt->file->nname+32);
232 
	if(q0 == q1)
233 
		sprint(buf, "%.*S:#%d", argt->file->nname, argt->file->name, q0);
234 
	else
235 
		sprint(buf, "%.*S:#%d,#%d", argt->file->nname, argt->file->name, q0, q1);
236 
	return buf;
237 
}
238 
 
239 
char*
240 
getarg(Text *argt, int doaddr, int dofile, Rune **rp, int *nrp)
241 
{
242 
	int n;
243 
	Expand e;
244 
	char *a;
245 
 
246 
	*rp = nil;
247 
	*nrp = 0;
248 
	if(argt == nil)
249 
		return nil;
250 
	a = nil;
251 
	textcommit(argt, TRUE);
252 
	if(expand(argt, argt->q0, argt->q1, &e)){
253 
		free(e.bname);
254 
		if(e.nname && dofile){
255 
			e.name = runerealloc(e.name, e.nname+1);
256 
			if(doaddr)
257 
				a = printarg(argt, e.q0, e.q1);
258 
			*rp = e.name;
259 
			*nrp = e.nname;
260 
			return a;
261 
		}
262 
		free(e.name);
263 
	}else{
264 
		e.q0 = argt->q0;
265 
		e.q1 = argt->q1;
266 
	}
267 
	n = e.q1 - e.q0;
268 
	*rp = runemalloc(n+1);
269 
	bufread(argt->file, e.q0, *rp, n);
270 
	if(doaddr)
271 
		a = printarg(argt, e.q0, e.q1);
272 
	*nrp = n;
273 
	return a;
274 
}
275 
 
276 
char*
277 
getbytearg(Text *argt, int doaddr, int dofile, char **bp)
278 
{
279 
	Rune *r;
280 
	int n;
281 
	char *aa;
282 
 
283 
	*bp = nil;
284 
	aa = getarg(argt, doaddr, dofile, &r, &n);
285 
	if(r == nil)
286 
		return nil;
287 
	*bp = runetobyte(r, n);
288 
	free(r);
289 
	return aa;
290 
}
291 
 
292 
void
293 
newcol(Text *et, Text*, Text*, int, int, Rune*, int)
294 
{
295 
	Column *c;
296 
 
297 
	c = rowadd(et->row, nil, -1);
298 
	if(c)
299 
		winsettag(coladd(c, nil, nil, -1));
300 
}
301 
 
302 
void
303 
delcol(Text *et, Text*, Text*, int, int, Rune*, int)
304 
{
305 
	int i;
306 
	Column *c;
307 
	Window *w;
308 
 
309 
	c = et->col;
310 
	if(c==nil || colclean(c)==0)
311 
		return;
312 
	for(i=0; i<c->nw; i++){
313 
		w = c->w[i];
314 
		if(w->nopen[QWevent]+w->nopen[QWaddr]+w->nopen[QWdata]+w->nopen[QWxdata] > 0){
315 
			warning(nil, "can't delete column; %.*S is running an external command\n", w->body.file->nname, w->body.file->name);
316 
			return;
317 
		}
318 
	}
319 
	rowclose(et->col->row, et->col, TRUE);
320 
}
321 
 
322 
void
323 
del(Text *et, Text*, Text *argt, int flag1, int, Rune *arg, int narg)
324 
{
325 
	Window *w;
326 
	char *name, *p;
327 
	Plumbmsg *pm;
328 
 
329 
	if(et->col==nil || et->w == nil)
330 
		return;
331 
	if(flag1 || et->w->body.file->ntext>1 || winclean(et->w, FALSE)){
332 
		w = et->w;
333 
		name = getname(&w->body, argt, arg, narg, TRUE);
334 
		if(name && plumbsendfd >= 0){
335 
			pm = emalloc(sizeof(Plumbmsg));
336 
			pm->src = estrdup("acme");
337 
			pm->dst = estrdup("close");
338 
			pm->wdir = estrdup(name);
339 
			if(p = strrchr(pm->wdir, '/'))
340 
				*p = '\0';
341 
			pm->type = estrdup("text");
342 
			pm->attr = nil;
343 
			pm->data = estrdup(name);
344 
			pm->ndata = strlen(pm->data);
345 
			if(pm->ndata < messagesize-1024)
346 
				plumbsend(plumbsendfd, pm);
347 
			else
348 
				plumbfree(pm);
349 
		}
350 
		colclose(et->col, et->w, TRUE);
351 
	}
352 
}
353 
 
354 
void
355 
sort(Text *et, Text*, Text*, int, int, Rune*, int)
356 
{
357 
	if(et->col)
358 
		colsort(et->col);
359 
}
360 
 
361 
uint
362 
seqof(Window *w, int isundo)
363 
{
364 
	/* if it's undo, see who changed with us */
365 
	if(isundo)
366 
		return w->body.file->seq;
367 
	/* if it's redo, see who we'll be sync'ed up with */
368 
	return fileredoseq(w->body.file);
369 
}
370 
 
371 
void
372 
undo(Text *et, Text*, Text*, int flag1, int, Rune*, int)
373 
{
374 
	int i, j;
375 
	Column *c;
376 
	Window *w;
377 
	uint seq;
378 
 
379 
	if(et==nil || et->w== nil)
380 
		return;
381 
	seq = seqof(et->w, flag1);
382 
	if(seq == 0){
383 
		/* nothing to undo */
384 
		return;
385 
	}
386 
	/*
387 
	 * Undo the executing window first. Its display will update. other windows
388 
	 * in the same file will not call show() and jump to a different location in the file.
389 
	 * Simultaneous changes to other files will be chaotic, however.
390 
	 */
391 
	winundo(et->w, flag1);
392 
	for(i=0; i<row.ncol; i++){
393 
		c = row.col[i];
394 
		for(j=0; j<c->nw; j++){
395 
			w = c->w[j];
396 
			if(w == et->w)
397 
				continue;
398 
			if(seqof(w, flag1) == seq)
399 
				winundo(w, flag1);
400 
		}
401 
	}
402 
}
403 
 
404 
char*
405 
getname(Text *t, Text *argt, Rune *arg, int narg, int isput)
406 
{
407 
	char *s;
408 
	Rune *r;
409 
	int i, n, promote;
410 
	Runestr dir;
411 
 
412 
	getarg(argt, FALSE, TRUE, &r, &n);
413 
	promote = FALSE;
414 
	if(r == nil)
415 
		promote = TRUE;
416 
	else if(isput){
417 
		/* if are doing a Put, want to synthesize name even for non-existent file */
418 
		/* best guess is that file name doesn't contain a slash */
419 
		promote = TRUE;
420 
		for(i=0; i<n; i++)
421 
			if(r[i] == '/'){
422 
				promote = FALSE;
423 
				break;
424 
			}
425 
		if(promote){
426 
			t = argt;
427 
			arg = r;
428 
			narg = n;
429 
		}
430 
	}
431 
	if(promote){
432 
		n = narg;
433 
		if(n <= 0){
434 
			s = runetobyte(t->file->name, t->file->nname);
435 
			return s;
436 
		}
437 
		/* prefix with directory name if necessary */
438 
		dir.r = nil;
439 
		dir.nr = 0;
440 
		if(n>0 && arg[0]!='/'){
441 
			dir = dirname(t, nil, 0);
442 
			if(dir.nr==1 && dir.r[0]=='.'){	/* sigh */
443 
				free(dir.r);
444 
				dir.r = nil;
445 
				dir.nr = 0;
446 
			}
447 
		}
448 
		if(dir.r){
449 
			r = runemalloc(dir.nr+n+1);
450 
			runemove(r, dir.r, dir.nr);
451 
			free(dir.r);
452 
			if(dir.nr>0 && r[dir.nr]!='/' && n>0 && arg[0]!='/')
453 
				r[dir.nr++] = '/';
454 
			runemove(r+dir.nr, arg, n);
455 
			n += dir.nr;
456 
		}else{
457 
			r = runemalloc(n+1);
458 
			runemove(r, arg, n);
459 
		}
460 
	}
461 
	s = runetobyte(r, n);
462 
	free(r);
463 
	if(strlen(s) == 0){
464 
		free(s);
465 
		s = nil;
466 
	}
467 
	return s;
468 
}
469 
 
470 
void
471 
zeroxx(Text *et, Text *t, Text*, int, int, Rune*, int)
472 
{
473 
	Window *nw;
474 
	int c, locked;
475 
 
476 
	locked = FALSE;
477 
	if(t!=nil && t->w!=nil && t->w!=et->w){
478 
		locked = TRUE;
479 
		c = 'M';
480 
		if(et->w)
481 
			c = et->w->owner;
482 
		winlock(t->w, c);
483 
	}
484 
	if(t == nil)
485 
		t = et;
486 
	if(t==nil || t->w==nil)
487 
		return;
488 
	t = &t->w->body;
489 
	if(t->w->isdir)
490 
		warning(nil, "%.*S is a directory; Zerox illegal\n", t->file->nname, t->file->name);
491 
	else{
492 
		nw = coladd(t->w->col, nil, t->w, -1);
493 
		/* ugly: fix locks so w->unlock works */
494 
		winlock1(nw, t->w->owner);
495 
	}
496 
	if(locked)
497 
		winunlock(t->w);
498 
}
499 
 
500 
void
501 
get(Text *et, Text *t, Text *argt, int flag1, int, Rune *arg, int narg)
502 
{
503 
	char *name;
504 
	Rune *r;
505 
	int i, n, dirty, samename, isdir;
506 
	Window *w;
507 
	Text *u;
508 
	Dir *d;
509 
 
510 
	if(flag1)
511 
		if(et==nil || et->w==nil)
512 
			return;
513 
	if(!et->w->isdir && (et->w->body.file->nc>0 && !winclean(et->w, TRUE)))
514 
		return;
515 
	w = et->w;
516 
	t = &w->body;
517 
	name = getname(t, argt, arg, narg, FALSE);
518 
	if(name == nil){
519 
		warning(nil, "no file name\n");
520 
		return;
521 
	}
522 
	if(t->file->ntext>1){
523 
		d = dirstat(name);
524 
		isdir = (d!=nil && (d->qid.type & QTDIR));
525 
		free(d);
526 
		if(isdir){
527 
			warning(nil, "%s is a directory; can't read with multiple windows on it\n", name);
528 
			return;
529 
		}
530 
	}
531 
	r = bytetorune(name, &n);
532 
	for(i=0; i<t->file->ntext; i++){
533 
		u = t->file->text[i];
534 
		/* second and subsequent calls with zero an already empty buffer, but OK */
535 
		textreset(u);
536 
		windirfree(u->w);
537 
	}
538 
	samename = runeeq(r, n, t->file->name, t->file->nname);
539 
	textload(t, 0, name, samename);
540 
	if(samename){
541 
		t->file->mod = FALSE;
542 
		dirty = FALSE;
543 
	}else{
544 
		t->file->mod = TRUE;
545 
		dirty = TRUE;
546 
	}
547 
	for(i=0; i<t->file->ntext; i++)
548 
		t->file->text[i]->w->dirty = dirty;
549 
	free(name);
550 
	free(r);
551 
	winsettag(w);
552 
	t->file->unread = FALSE;
553 
	for(i=0; i<t->file->ntext; i++){
554 
		u = t->file->text[i];
555 
		textsetselect(&u->w->tag, u->w->tag.file->nc, u->w->tag.file->nc);
556 
		textscrdraw(u);
557 
	}
558 
}
559 
 
560 
void
561 
putfile(File *f, int q0, int q1, Rune *namer, int nname)
562 
{
563 
	uint n, m;
564 
	Rune *r;
565 
	char *s, *name, *p;
566 
	int i, fd, q;
567 
	Dir *d, *d1;
568 
	Window *w;
569 
	Plumbmsg *pm;
570 
	int isapp;
571 
 
572 
	w = f->curtext->w;
573 
	name = runetobyte(namer, nname);
574 
	d = dirstat(name);
575 
	if(d!=nil && runeeq(namer, nname, f->name, f->nname)){
576 
		/* f->mtime+1 because when talking over NFS it's often off by a second */
577 
		if(f->dev!=d->dev || f->qidpath!=d->qid.path || f->mtime+1<d->mtime){
578 
			f->dev = d->dev;
579 
			f->qidpath = d->qid.path;
580 
			f->mtime = d->mtime;
581 
			if(f->unread)
582 
				warning(nil, "%s not written; file already exists\n", name);
583 
			else
584 
				warning(nil, "%s modified%s%s since last read\n", name, d->muid[0]?" by ":"", d->muid);
585 
			goto Rescue1;
586 
		}
587 
	}
588 
	fd = create(name, OWRITE, 0666);
589 
	if(fd < 0){
590 
		warning(nil, "can't create file %s: %r\n", name);
591 
		goto Rescue1;
592 
	}
593 
	r = fbufalloc();
594 
	s = fbufalloc();
595 
	free(d);
596 
	d = dirfstat(fd);
597 
	isapp = (d!=nil && d->length>0 && (d->qid.type&QTAPPEND));
598 
	if(isapp){
599 
		warning(nil, "%s not written; file is append only\n", name);
600 
		goto Rescue2;
601 
	}
602 
 
603 
	for(q=q0; q<q1; q+=n){
604 
		n = q1 - q;
605 
		if(n > BUFSIZE/UTFmax)
606 
			n = BUFSIZE/UTFmax;
607 
		bufread(f, q, r, n);
608 
		m = snprint(s, BUFSIZE+1, "%.*S", n, r);
609 
		if(write(fd, s, m) != m){
610 
			warning(nil, "can't write file %s: %r\n", name);
611 
			goto Rescue2;
612 
		}
613 
	}
614 
	if(runeeq(namer, nname, f->name, f->nname)){
615 
		if(q0!=0 || q1!=f->nc){
616 
			f->mod = TRUE;
617 
			w->dirty = TRUE;
618 
			f->unread = TRUE;
619 
		}else{
620 
			d1 = dirfstat(fd);
621 
			if(d1 != nil){
622 
				free(d);
623 
				d = d1;
624 
			}
625 
			f->qidpath = d->qid.path;
626 
			f->dev = d->dev;
627 
			f->mtime = d->mtime;
628 
			f->mod = FALSE;
629 
			w->dirty = FALSE;
630 
			f->unread = FALSE;
631 
		}
632 
		for(i=0; i<f->ntext; i++){
633 
			f->text[i]->w->putseq = f->seq;
634 
			f->text[i]->w->dirty = w->dirty;
635 
		}
636 
	}
637 
	if(plumbsendfd >= 0){
638 
		pm = emalloc(sizeof(Plumbmsg));
639 
		pm->src = estrdup("acme");
640 
		pm->dst = estrdup("put");
641 
		pm->wdir = estrdup(name);
642 
		if(p = strrchr(pm->wdir, '/'))
643 
			*p = '\0';
644 
		pm->type = estrdup("text");
645 
		pm->attr = nil;
646 
		pm->data = estrdup(name);
647 
		pm->ndata = strlen(pm->data);
648 
		if(pm->ndata < messagesize-1024)
649 
			plumbsend(plumbsendfd, pm);
650 
		else
651 
			plumbfree(pm);
652 
	}
653 
	fbuffree(s);
654 
	fbuffree(r);
655 
	free(d);
656 
	free(namer);
657 
	free(name);
658 
	close(fd);
659 
	winsettag(w);
660 
	return;
661 
 
662 
    Rescue2:
663 
	fbuffree(s);
664 
	fbuffree(r);
665 
	close(fd);
666 
	/* fall through */
667 
 
668 
    Rescue1:
669 
	free(d);
670 
	free(namer);
671 
	free(name);
672 
}
673 
 
674 
void
675 
put(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
676 
{
677 
	int nname;
678 
	Rune  *namer;
679 
	Window *w;
680 
	File *f;
681 
	char *name;
682 
 
683 
	if(et==nil || et->w==nil || et->w->isdir)
684 
		return;
685 
	w = et->w;
686 
	f = w->body.file;
687 
	name = getname(&w->body, argt, arg, narg, TRUE);
688 
	if(name == nil){
689 
		warning(nil, "no file name\n");
690 
		return;
691 
	}
692 
	namer = bytetorune(name, &nname);
693 
	putfile(f, 0, f->nc, namer, nname);
694 
	free(name);
695 
}
696 
 
697 
void
698 
dump(Text *, Text *, Text *argt, int isdump, int, Rune *arg, int narg)
699 
{
700 
	char *name;
701 
 
702 
	if(narg)
703 
		name = runetobyte(arg, narg);
704 
	else
705 
		getbytearg(argt, FALSE, TRUE, &name);
706 
	if(isdump)
707 
		rowdump(&row, name);
708 
	else
709 
		rowload(&row, name, FALSE);
710 
	free(name);
711 
}
712 
 
713 
void
714 
cut(Text *et, Text *t, Text*, int dosnarf, int docut, Rune*, int)
715 
{
716 
	uint q0, q1, n, locked, c;
717 
	Rune *r;
718 
 
719 
	/*
720 
	 * if not executing a mouse chord (et != t) and snarfing (dosnarf)
721 
	 * and executed Cut or Snarf in window tag (et->w != nil),
722 
	 * then use the window body selection or the tag selection
723 
	 * or do nothing at all.
724 
	 */
725 
	if(et!=t && dosnarf && et->w!=nil){
726 
		if(et->w->body.q1>et->w->body.q0){
727 
			t = &et->w->body;
728 
			if(docut)
729 
				filemark(t->file);	/* seq has been incremented by execute */
730 
		}else if(et->w->tag.q1>et->w->tag.q0)
731 
			t = &et->w->tag;
732 
		else
733 
			t = nil;
734 
	}
735 
	if(t == nil)	/* no selection */
736 
		return;
737 
 
738 
	locked = FALSE;
739 
	if(t->w!=nil && et->w!=t->w){
740 
		locked = TRUE;
741 
		c = 'M';
742 
		if(et->w)
743 
			c = et->w->owner;
744 
		winlock(t->w, c);
745 
	}
746 
	if(t->q0 == t->q1){
747 
		if(locked)
748 
			winunlock(t->w);
749 
		return;
750 
	}
751 
	if(dosnarf){
752 
		q0 = t->q0;
753 
		q1 = t->q1;
754 
		bufdelete(&snarfbuf, 0, snarfbuf.nc);
755 
		r = fbufalloc();
756 
		while(q0 < q1){
757 
			n = q1 - q0;
758 
			if(n > RBUFSIZE)
759 
				n = RBUFSIZE;
760 
			bufread(t->file, q0, r, n);
761 
			bufinsert(&snarfbuf, snarfbuf.nc, r, n);
762 
			q0 += n;
763 
		}
764 
		fbuffree(r);
765 
		putsnarf();
766 
	}
767 
	if(docut){
768 
		textdelete(t, t->q0, t->q1, TRUE);
769 
		textsetselect(t, t->q0, t->q0);
770 
		if(t->w){
771 
			textscrdraw(t);
772 
			winsettag(t->w);
773 
		}
774 
	}else if(dosnarf)	/* Snarf command */
775 
		argtext = t;
776 
	if(locked)
777 
		winunlock(t->w);
778 
}
779 
 
780 
void
781 
paste(Text *et, Text *t, Text*, int selectall, int tobody, Rune*, int)
782 
{
783 
	int c;
784 
	uint q, q0, q1, n;
785 
	Rune *r;
786 
 
787 
	/* if(tobody), use body of executing window  (Paste or Send command) */
788 
	if(tobody && et!=nil && et->w!=nil){
789 
		t = &et->w->body;
790 
		filemark(t->file);	/* seq has been incremented by execute */
791 
	}
792 
	if(t == nil)
793 
		return;
794 
 
795 
	getsnarf();
796 
	if(t==nil || snarfbuf.nc==0)
797 
		return;
798 
	if(t->w!=nil && et->w!=t->w){
799 
		c = 'M';
800 
		if(et->w)
801 
			c = et->w->owner;
802 
		winlock(t->w, c);
803 
	}
804 
	cut(t, t, nil, FALSE, TRUE, nil, 0);
805 
	q = 0;
806 
	q0 = t->q0;
807 
	q1 = t->q0+snarfbuf.nc;
808 
	r = fbufalloc();
809 
	while(q0 < q1){
810 
		n = q1 - q0;
811 
		if(n > RBUFSIZE)
812 
			n = RBUFSIZE;
813 
		if(r == nil)
814 
			r = runemalloc(n);
815 
		bufread(&snarfbuf, q, r, n);
816 
		textinsert(t, q0, r, n, TRUE);
817 
		q += n;
818 
		q0 += n;
819 
	}
820 
	fbuffree(r);
821 
	if(selectall)
822 
		textsetselect(t, t->q0, q1);
823 
	else
824 
		textsetselect(t, q1, q1);
825 
	if(t->w){
826 
		textscrdraw(t);
827 
		winsettag(t->w);
828 
	}
829 
	if(t->w!=nil && et->w!=t->w)
830 
		winunlock(t->w);
831 
}
832 
 
833 
void
834 
look(Text *et, Text *t, Text *argt, int, int, Rune *arg, int narg)
835 
{
836 
	Rune *r;
837 
	int n;
838 
 
839 
	if(et && et->w){
840 
		t = &et->w->body;
841 
		if(narg > 0){
842 
			search(t, arg, narg);
843 
			return;
844 
		}
845 
		getarg(argt, FALSE, FALSE, &r, &n);
846 
		if(r == nil){
847 
			n = t->q1-t->q0;
848 
			r = runemalloc(n);
849 
			bufread(t->file, t->q0, r, n);
850 
		}
851 
		search(t, r, n);
852 
		free(r);
853 
	}
854 
}
855 
 
856 
void
857 
sendx(Text *et, Text *t, Text*, int, int, Rune*, int)
858 
{
859 
	if(et->w==nil)
860 
		return;
861 
	t = &et->w->body;
862 
	if(t->q0 != t->q1)
863 
		cut(t, t, nil, TRUE, FALSE, nil, 0);
864 
	textsetselect(t, t->file->nc, t->file->nc);
865 
	paste(t, t, nil, TRUE, TRUE, nil, 0);
866 
	if(textreadc(t, t->file->nc-1) != '\n'){
867 
		textinsert(t, t->file->nc, L"\n", 1, TRUE);
868 
		textsetselect(t, t->file->nc, t->file->nc);
869 
	}
870 
}
871 
 
872 
void
873 
edit(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
874 
{
875 
	Rune *r;
876 
	int len;
877 
 
878 
	if(et == nil)
879 
		return;
880 
	getarg(argt, FALSE, TRUE, &r, &len);
881 
	seq++;
882 
	if(r != nil){
883 
		editcmd(et, r, len);
884 
		free(r);
885 
	}else
886 
		editcmd(et, arg, narg);
887 
}
888 
 
889 
void
890 
exit(Text*, Text*, Text*, int, int, Rune*, int)
891 
{
892 
	if(rowclean(&row)){
893 
		sendul(cexit, 0);
894 
		threadexits(nil);
895 
	}
896 
}
897 
 
898 
void
899 
putall(Text*, Text*, Text*, int, int, Rune*, int)
900 
{
901 
	int i, j, e;
902 
	Window *w;
903 
	Column *c;
904 
	char *a;
905 
 
906 
	for(i=0; i<row.ncol; i++){
907 
		c = row.col[i];
908 
		for(j=0; j<c->nw; j++){
909 
			w = c->w[j];
910 
			if(w->isscratch || w->isdir || w->body.file->nname==0)
911 
				continue;
912 
			if(w->nopen[QWevent] > 0)
913 
				continue;
914 
			a = runetobyte(w->body.file->name, w->body.file->nname);
915 
			e = access(a, 0);
916 
			if(w->body.file->mod || w->body.ncache)
917 
				if(e < 0)
918 
					warning(nil, "no auto-Put of %s: %r\n", a);
919 
				else{
920 
					wincommit(w, &w->body);
921 
					put(&w->body, nil, nil, XXX, XXX, nil, 0);
922 
				}
923 
			free(a);
924 
		}
925 
	}
926 
}
927 
 
928 
 
929 
void
930 
id(Text *et, Text*, Text*, int, int, Rune*, int)
931 
{
932 
	if(et && et->w)
933 
		warning(nil, "/mnt/acme/%d/\n", et->w->id);
934 
}
935 
 
936 
void
937 
local(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
938 
{
939 
	char *a, *aa;
940 
	Runestr dir;
941 
 
942 
	aa = getbytearg(argt, TRUE, TRUE, &a);
943 
 
944 
	dir = dirname(et, nil, 0);
945 
	if(dir.nr==1 && dir.r[0]=='.'){	/* sigh */
946 
		free(dir.r);
947 
		dir.r = nil;
948 
		dir.nr = 0;
949 
	}
950 
	run(nil, runetobyte(arg, narg), dir.r, dir.nr, FALSE, aa, a, FALSE);
951 
}
952 
 
953 
void
954 
kill(Text*, Text*, Text *argt, int, int, Rune *arg, int narg)
955 
{
956 
	Rune *a, *cmd, *r;
957 
	int na;
958 
 
959 
	getarg(argt, FALSE, FALSE, &r, &na);
960 
	if(r)
961 
		kill(nil, nil, nil, 0, 0, r, na);
962 
	/* loop condition: *arg is not a blank */
963 
	for(;;){
964 
		a = findbl(arg, narg, &na);
965 
		if(a == arg)
966 
			break;
967 
		cmd = runemalloc(narg-na+1);
968 
		runemove(cmd, arg, narg-na);
969 
		sendp(ckill, cmd);
970 
		arg = skipbl(a, na, &narg);
971 
	}
972 
}
973 
 
974 
void
975 
fontx(Text *et, Text *t, Text *argt, int, int, Rune *arg, int narg)
976 
{
977 
	Rune *a, *r, *flag, *file;
978 
	int na, nf;
979 
	char *aa;
980 
	Reffont *newfont;
981 
	Dirlist *dp;
982 
	int i, fix;
983 
 
984 
	if(et==nil || et->w==nil)
985 
		return;
986 
	t = &et->w->body;
987 
	flag = nil;
988 
	file = nil;
989 
	/* loop condition: *arg is not a blank */
990 
	nf = 0;
991 
	for(;;){
992 
		a = findbl(arg, narg, &na);
993 
		if(a == arg)
994 
			break;
995 
		r = runemalloc(narg-na+1);
996 
		runemove(r, arg, narg-na);
997 
		if(runeeq(r, narg-na, L"fix", 3) || runeeq(r, narg-na, L"var", 3)){
998 
			free(flag);
999 
			flag = r;
1000 
		}else{
1001 
			free(file);
1002 
			file = r;
1003 
			nf = narg-na;
1004 
		}
1005 
		arg = skipbl(a, na, &narg);
1006 
	}
1007 
	getarg(argt, FALSE, TRUE, &r, &na);
1008 
	if(r)
1009 
		if(runeeq(r, na, L"fix", 3) || runeeq(r, na, L"var", 3)){
1010 
			free(flag);
1011 
			flag = r;
1012 
		}else{
1013 
			free(file);
1014 
			file = r;
1015 
			nf = na;
1016 
		}
1017 
	fix = 1;
1018 
	if(flag)
1019 
		fix = runeeq(flag, runestrlen(flag), L"fix", 3);
1020 
	else if(file == nil){
1021 
		newfont = rfget(FALSE, FALSE, FALSE, nil);
1022 
		if(newfont)
1023 
			fix = strcmp(newfont->f->name, t->font->name)==0;
1024 
	}
1025 
	if(file){
1026 
		aa = runetobyte(file, nf);
1027 
		newfont = rfget(fix, flag!=nil, FALSE, aa);
1028 
		free(aa);
1029 
	}else
1030 
		newfont = rfget(fix, FALSE, FALSE, nil);
1031 
	if(newfont){
1032 
		draw(screen, t->w->r, textcols[BACK], nil, ZP);
1033 
		rfclose(t->reffont);
1034 
		t->reffont = newfont;
1035 
		t->font = newfont->f;
1036 
		frinittick(t);
1037 
		if(t->w->isdir){
1038 
			t->all.min.x++;	/* force recolumnation; disgusting! */
1039 
			for(i=0; i<t->w->ndl; i++){
1040 
				dp = t->w->dlp[i];
1041 
				aa = runetobyte(dp->r, dp->nr);
1042 
				dp->wid = stringwidth(newfont->f, aa);
1043 
				free(aa);
1044 
			}
1045 
		}
1046 
		/* avoid shrinking of window due to quantization */
1047 
		colgrow(t->w->col, t->w, -1);
1048 
	}
1049 
	free(file);
1050 
	free(flag);
1051 
}
1052 
 
1053 
void
1054 
incl(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
1055 
{
1056 
	Rune *a, *r;
1057 
	Window *w;
1058 
	int na, n, len;
1059 
 
1060 
	if(et==nil || et->w==nil)
1061 
		return;
1062 
	w = et->w;
1063 
	n = 0;
1064 
	getarg(argt, FALSE, TRUE, &r, &len);
1065 
	if(r){
1066 
		n++;
1067 
		winaddincl(w, r, len);
1068 
	}
1069 
	/* loop condition: *arg is not a blank */
1070 
	for(;;){
1071 
		a = findbl(arg, narg, &na);
1072 
		if(a == arg)
1073 
			break;
1074 
		r = runemalloc(narg-na+1);
1075 
		runemove(r, arg, narg-na);
1076 
		n++;
1077 
		winaddincl(w, r, narg-na);
1078 
		arg = skipbl(a, na, &narg);
1079 
	}
1080 
	if(n==0 && w->nincl){
1081 
		for(n=w->nincl; --n>=0; )
1082 
			warning(nil, "%S ", w->incl[n]);
1083 
		warning(nil, "\n");
1084 
	}
1085 
}
1086 
 
1087 
enum {
1088 
	IGlobal = -2,
1089 
	IError = -1,
1090 
	Ion = 0,
1091 
	Ioff = 1,
1092 
};
1093 
 
1094 
static int
1095 
indentval(Rune *s, int n)
1096 
{
1097 
	if(n < 2)
1098 
		return IError;
1099 
	if(runestrncmp(s, L"ON", n) == 0){
1100 
		globalautoindent = TRUE;
1101 
		warning(nil, "Indent ON\n");
1102 
		return IGlobal;
1103 
	}
1104 
	if(runestrncmp(s, L"OFF", n) == 0){
1105 
		globalautoindent = FALSE;
1106 
		warning(nil, "Indent OFF\n");
1107 
		return IGlobal;
1108 
	}
1109 
	return runestrncmp(s, L"on", n) == 0;
1110 
}
1111 
 
1112 
static void
1113 
fixindent(Window *w, void*)
1114 
{
1115 
	w->autoindent = globalautoindent;
1116 
}
1117 
 
1118 
void
1119 
indent(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
1120 
{
1121 
	Rune *a, *r;
1122 
	Window *w;
1123 
	int na, len, autoindent;
1124 
 
1125 
	w = nil;
1126 
	if(et!=nil && et->w!=nil)
1127 
		w = et->w;
1128 
	autoindent = IError;
1129 
	getarg(argt, FALSE, TRUE, &r, &len);
1130 
	if(r!=nil && len>0)
1131 
		autoindent = indentval(r, len);
1132 
	else{
1133 
		a = findbl(arg, narg, &na);
1134 
		if(a != arg)
1135 
			autoindent = indentval(arg, narg-na);
1136 
	}
1137 
	if(autoindent == IGlobal)
1138 
		allwindows(fixindent, nil);
1139 
	else if(w != nil && autoindent >= 0)
1140 
		w->autoindent = autoindent;
1141 
}
1142 
 
1143 
void
1144 
tab(Text *et, Text*, Text *argt, int, int, Rune *arg, int narg)
1145 
{
1146 
	Rune *a, *r;
1147 
	Window *w;
1148 
	int na, len, tab;
1149 
	char *p;
1150 
 
1151 
	if(et==nil || et->w==nil)
1152 
		return;
1153 
	w = et->w;
1154 
	getarg(argt, FALSE, TRUE, &r, &len);
1155 
	tab = 0;
1156 
	if(r!=nil && len>0){
1157 
		p = runetobyte(r, len);
1158 
		if('0'<=p[0] && p[0]<='9')
1159 
			tab = atoi(p);
1160 
		free(p);
1161 
	}else{
1162 
		a = findbl(arg, narg, &na);
1163 
		if(a != arg){
1164 
			p = runetobyte(arg, narg-na);
1165 
			if('0'<=p[0] && p[0]<='9')
1166 
				tab = atoi(p);
1167 
			free(p);
1168 
		}
1169 
	}
1170 
	if(tab > 0){
1171 
		if(w->body.tabstop != tab){
1172 
			w->body.tabstop = tab;
1173 
			winresize(w, w->r, 1);
1174 
		}
1175 
	}else
1176 
		warning(nil, "%.*S: Tab %d\n", w->body.file->nname, w->body.file->name, w->body.tabstop);
1177 
}
1178 
 
1179 
void
1180 
runproc(void *argvp)
1181 
{
1182 
	/* args: */
1183 
		Window *win;
1184 
		char *s;
1185 
		Rune *rdir;
1186 
		int ndir;
1187 
		int newns;
1188 
		char *argaddr;
1189 
		char *arg;
1190 
		Command *c;
1191 
		Channel *cpid;
1192 
		int iseditcmd;
1193 
	/* end of args */
1194 
	char *e, *t, *name, *filename, *dir, **av, *news;
1195 
	Rune r, **incl;
1196 
	int ac, w, inarg, i, n, fd, nincl, winid;
1197 
	int pipechar;
1198 
	char buf[512];
1199 
	static void *parg[2];
1200 
	void **argv;
1201 
 
1202 
	argv = argvp;
1203 
	win = argv[0];
1204 
	s = argv[1];
1205 
	rdir = argv[2];
1206 
	ndir = (uintptr)argv[3];
1207 
	newns = (uintptr)argv[4];
1208 
	argaddr = argv[5];
1209 
	arg = argv[6];
1210 
	c = argv[7];
1211 
	cpid = argv[8];
1212 
	iseditcmd = (uintptr)argv[9];
1213 
	free(argv);
1214 
 
1215 
	t = s;
1216 
	while(*t==' ' || *t=='\n' || *t=='\t')
1217 
		t++;
1218 
	for(e=t; *e; e++)
1219 
		if(*e==' ' || *e=='\n' || *e=='\t' )
1220 
			break;
1221 
	name = emalloc((e-t)+2);
1222 
	memmove(name, t, e-t);
1223 
	name[e-t] = 0;
1224 
	e = utfrrune(name, '/');
1225 
	if(e)
1226 
		memmove(name, e+1, strlen(e+1)+1);	/* strcpy but overlaps */
1227 
	strcat(name, " ");	/* add blank here for ease in waittask */
1228 
	c->name = bytetorune(name, &c->nname);
1229 
	free(name);
1230 
	pipechar = 0;
1231 
	if(*t=='<' || *t=='|' || *t=='>')
1232 
		pipechar = *t++;
1233 
	c->iseditcmd = iseditcmd;
1234 
	c->text = s;
1235 
	if(rdir != nil){
1236 
		dir = runetobyte(rdir, ndir);
1237 
		chdir(dir);	/* ignore error: probably app. window */
1238 
		free(dir);
1239 
	}
1240 
	if(newns){
1241 
		nincl = 0;
1242 
		incl = nil;
1243 
		if(win){
1244 
			filename = smprint("%.*S", win->body.file->nname, win->body.file->name);
1245 
			nincl = win->nincl;
1246 
			if(nincl > 0){
1247 
				incl = emalloc(nincl*sizeof(Rune*));
1248 
				for(i=0; i<nincl; i++){
1249 
					n = runestrlen(win->incl[i]);
1250 
					incl[i] = runemalloc(n+1);
1251 
					runemove(incl[i], win->incl[i], n);
1252 
				}
1253 
			}
1254 
			winid = win->id;
1255 
		}else{
1256 
			filename = nil;
1257 
			winid = 0;
1258 
			if(activewin)
1259 
				winid = activewin->id;
1260 
		}
1261 
		rfork(RFNAMEG|RFENVG|RFFDG|RFNOTEG);
1262 
		sprint(buf, "%d", winid);
1263 
		putenv("winid", buf);
1264 
 
1265 
		if(filename){
1266 
			putenv("%", filename);
1267 
			free(filename);
1268 
		}
1269 
		c->md = fsysmount(rdir, ndir, incl, nincl);
1270 
		if(c->md == nil){
1271 
			fprint(2, "child: can't mount /dev/cons: %r\n");
1272 
			threadexits("mount");
1273 
		}
1274 
		close(0);
1275 
		if(winid>0 && (pipechar=='|' || pipechar=='>')){
1276 
			sprint(buf, "/mnt/acme/%d/rdsel", winid);
1277 
			open(buf, OREAD);
1278 
		}else
1279 
			open("/dev/null", OREAD);
1280 
		close(1);
1281 
		if((winid>0 || iseditcmd) && (pipechar=='|' || pipechar=='<')){
1282 
			if(iseditcmd){
1283 
				if(winid > 0)
1284 
					sprint(buf, "/mnt/acme/%d/editout", winid);
1285 
				else
1286 
					sprint(buf, "/mnt/acme/editout");
1287 
			}else
1288 
				sprint(buf, "/mnt/acme/%d/wrsel", winid);
1289 
			open(buf, OWRITE);
1290 
			close(2);
1291 
			open("/dev/cons", OWRITE);
1292 
		}else{
1293 
			open("/dev/cons", OWRITE);
1294 
			dup(1, 2);
1295 
		}
1296 
	}else{
1297 
		rfork(RFFDG|RFNOTEG);
1298 
		fsysclose();
1299 
		close(0);
1300 
		open("/dev/null", OREAD);
1301 
		close(1);
1302 
		open(acmeerrorfile, OWRITE);
1303 
		dup(1, 2);
1304 
	}
1305 
 
1306 
	if(win)
1307 
		winclose(win);
1308 
 
1309 
	if(argaddr)
1310 
		putenv("acmeaddr", argaddr);
1311 
	if(strlen(t) > sizeof buf-10)	/* may need to print into stack */
1312 
		goto Hard;
1313 
	inarg = FALSE;
1314 
	for(e=t; *e; e+=w){
1315 
		w = chartorune(&r, e);
1316 
		if(r==' ' || r=='\t')
1317 
			continue;
1318 
		if(r < ' ')
1319 
			goto Hard;
1320 
		if(utfrune("#;&|^$=`'{}()<>[]*?^~`", r))
1321 
			goto Hard;
1322 
		inarg = TRUE;
1323 
	}
1324 
	if(!inarg)
1325 
		goto Fail;
1326 
 
1327 
	ac = 0;
1328 
	av = nil;
1329 
	inarg = FALSE;
1330 
	for(e=t; *e; e+=w){
1331 
		w = chartorune(&r, e);
1332 
		if(r==' ' || r=='\t'){
1333 
			inarg = FALSE;
1334 
			*e = 0;
1335 
			continue;
1336 
		}
1337 
		if(!inarg){
1338 
			inarg = TRUE;
1339 
			av = realloc(av, (ac+1)*sizeof(char**));
1340 
			av[ac++] = e;
1341 
		}
1342 
	}
1343 
	av = realloc(av, (ac+2)*sizeof(char**));
1344 
	av[ac++] = arg;
1345 
	av[ac] = nil;
1346 
	c->av = av;
1347 
	procexec(cpid, av[0], av);
1348 
	e = av[0];
1349 
	if(e[0]=='/' || (e[0]=='.' && e[1]=='/'))
1350 
		goto Fail;
1351 
	if(cputype){
1352 
		sprint(buf, "%s/%s", cputype, av[0]);
1353 
		procexec(cpid, buf, av);
1354 
	}
1355 
	sprint(buf, "/bin/%s", av[0]);
1356 
	procexec(cpid, buf, av);
1357 
	goto Fail;
1358 
 
1359 
Hard:
1360 
 
1361 
	/*
1362 
	 * ugly: set path = (. $cputype /bin)
1363 
	 * should honor $path if unusual.
1364 
	 */
1365 
	if(cputype){
1366 
		n = 0;
1367 
		memmove(buf+n, ".", 2);
1368 
		n += 2;
1369 
		i = strlen(cputype)+1;
1370 
		memmove(buf+n, cputype, i);
1371 
		n += i;
1372 
		memmove(buf+n, "/bin", 5);
1373 
		n += 5;
1374 
		fd = create("/env/path", OWRITE, 0666);
1375 
		write(fd, buf, n);
1376 
		close(fd);
1377 
	}
1378 
 
1379 
	if(arg){
1380 
		news = emalloc(strlen(t) + 1 + 1 + strlen(arg) + 1 + 1);
1381 
		if(news){
1382 
			sprint(news, "%s '%s'", t, arg);	/* BUG: what if quote in arg? */
1383 
			free(s);
1384 
			t = news;
1385 
			c->text = news;
1386 
		}
1387 
	}
1388 
	procexecl(cpid, "/bin/rc", "rc", "-c", t, nil);
1389 
 
1390 
   Fail:
1391 
	/* procexec hasn't happened, so send a zero */
1392 
	sendul(cpid, 0);
1393 
	threadexits(nil);
1394 
}
1395 
 
1396 
void
1397 
runwaittask(void *v)
1398 
{
1399 
	Command *c;
1400 
	Channel *cpid;
1401 
	void **a;
1402 
 
1403 
	threadsetname("runwaittask");
1404 
	a = v;
1405 
	c = a[0];
1406 
	cpid = a[1];
1407 
	free(a);
1408 
	do
1409 
		c->pid = recvul(cpid);
1410 
	while(c->pid == ~0);
1411 
	free(c->av);
1412 
	if(c->pid != 0)	/* successful exec */
1413 
		sendp(ccommand, c);
1414 
	else{
1415 
		if(c->iseditcmd)
1416 
			sendul(cedit, 0);
1417 
		free(c->name);
1418 
		free(c->text);
1419 
		free(c);
1420 
	}
1421 
	chanfree(cpid);
1422 
}
1423 
 
1424 
void
1425 
run(Window *win, char *s, Rune *rdir, int ndir, int newns, char *argaddr, char *xarg, int iseditcmd)
1426 
{
1427 
	void **arg;
1428 
	Command *c;
1429 
	Channel *cpid;
1430 
 
1431 
	if(s == nil)
1432 
		return;
1433 
 
1434 
	arg = emalloc(10*sizeof(void*));
1435 
	c = emalloc(sizeof *c);
1436 
	cpid = chancreate(sizeof(ulong), 0);
1437 
	arg[0] = win;
1438 
	arg[1] = s;
1439 
	arg[2] = rdir;
1440 
	arg[3] = (void*)ndir;
1441 
	arg[4] = (void*)newns;
1442 
	arg[5] = argaddr;
1443 
	arg[6] = xarg;
1444 
	arg[7] = c;
1445 
	arg[8] = cpid;
1446 
	arg[9] = (void*)iseditcmd;
1447 
	proccreate(runproc, arg, STACK);
1448 
	/* mustn't block here because must be ready to answer mount() call in run() */
1449 
	arg = emalloc(2*sizeof(void*));
1450 
	arg[0] = c;
1451 
	arg[1] = cpid;
1452 
	threadcreate(runwaittask, arg, STACK);
1453 
}