From 8ad517944e46710ab832350c0dc3fc4e9239f7e2 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Thu, 25 Mar 2004 23:03:57 +0000
Subject: Today's changes. More changes.

---
 src/cmd/win.c | 717 ----------------------------------------------------------
 1 file changed, 717 deletions(-)
 delete mode 100644 src/cmd/win.c

(limited to 'src/cmd/win.c')

diff --git a/src/cmd/win.c b/src/cmd/win.c
deleted file mode 100644
index 7f15f057..00000000
--- a/src/cmd/win.c
+++ /dev/null
@@ -1,717 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <thread.h>
-#include <fcall.h>
-#include <fs.h>
-
-#define	EVENTSIZE	256
-#define	STACK	32768
-
-typedef struct Event Event;
-typedef struct Q Q;
-
-struct Event
-{
-	int	c1;
-	int	c2;
-	int	q0;
-	int	q1;
-	int	flag;
-	int	nb;
-	int	nr;
-	char	b[EVENTSIZE*UTFmax+1];
-	Rune	r[EVENTSIZE+1];
-};
-
-Event blank = {
-	'M',
-	'X',
-	0, 0, 0, 1, 1,
-	{ ' ', 0 },
-	{ ' ', 0 },
-};
-
-struct Q
-{
-	QLock	lk;
-	int		p;
-	int		k;
-};
-
-Q	q;
-
-Fid *eventfd;
-Fid *addrfd;
-Fid *datafd;
-Fid *ctlfd;
-// int bodyfd;
-
-char	*typing;
-int	ntypeb;
-int	ntyper;
-int	ntypebreak;
-int	debug;
-char *name;
-
-char **prog;
-int p[2];
-Channel *cpid;
-Channel *cwait;
-int pid = -1;
-
-int	label(char*, int);
-void	error(char*);
-void	stdinproc(void*);
-void	stdoutproc(void*);
-void	type(Event*, int, Fid*, Fid*);
-void	sende(Event*, int, Fid*, Fid*, Fid*, int);
-char	*onestring(int, char**);
-int	delete(Event*);
-void	deltype(uint, uint);
-void	runproc(void*);
-
-int
-fsfidprint(Fid *fid, char *fmt, ...)
-{
-	char buf[256];
-	va_list arg;
-	int n;
-
-	va_start(arg, fmt);
-	n = vsnprint(buf, sizeof buf, fmt, arg);
-	va_end(arg);
-	return fswrite(fid, buf, n);
-}
-
-void
-usage(void)
-{
-	fprint(2, "usage: win cmd args...\n");
-	threadexitsall("usage");
-}
-
-int
-nopipes(void *v, char *msg)
-{
-	USED(v);
-	if(strcmp(msg, "sys: write on closed pipe") == 0)
-		return 1;
-	return 0;
-}
-
-void
-waitthread(void *v)
-{
-	recvp(cwait);
-	threadexitsall(nil);
-}
-
-void
-threadmain(int argc, char **argv)
-{
-	int fd, id;
-	char buf[256];
-	char buf1[128];
-	Fsys *fs;
-
-	ARGBEGIN{
-	case 'd':
-		debug = 1;
-		break;
-	default:
-		usage();
-	}ARGEND
-
-	prog = argv;
-
-	if(argc > 0)
-		name = argv[0];
-	else
-		name = "gnot";
-
-	threadnotify(nopipes, 1);
-	if((fs = nsmount("acme", "")) < 0)
-		sysfatal("nsmount acme: %r");
-	ctlfd = fsopen(fs, "new/ctl", ORDWR|OCEXEC);
-	if(ctlfd < 0 || fsread(ctlfd, buf, 12) != 12)
-		sysfatal("ctl: %r");
-	id = atoi(buf);
-	sprint(buf, "%d/tag", id);
-	fd = fsopenfd(fs, buf, OWRITE|OCEXEC);
-	write(fd, " Send Delete", 12);
-	close(fd);
-	sprint(buf, "%d/event", id);
-	eventfd = fsopen(fs, buf, ORDWR|OCEXEC);
-	sprint(buf, "%d/addr", id);
-	addrfd = fsopen(fs, buf, ORDWR|OCEXEC);
-	sprint(buf, "%d/data", id);
-	datafd = fsopen(fs, buf, ORDWR|OCEXEC);
-	sprint(buf, "%d/body", id);
-/*	bodyfd = fsopenfd(fs, buf, ORDWR|OCEXEC); */
-	if(eventfd==nil || addrfd==nil || datafd==nil)
-		sysfatal("data files: %r");
-/*
-	if(eventfd<0 || addrfd<0 || datafd<0 || bodyfd<0)
-		sysfatal("data files: %r");
-*/
-	fsunmount(fs);
-
-	if(pipe(p) < 0)
-		sysfatal("pipe: %r");
-
-	cpid = chancreate(sizeof(ulong), 1);
-	cwait = threadwaitchan();
-	threadcreate(waitthread, nil, STACK);
-	threadcreate(runproc, nil, STACK);
-	pid = recvul(cpid);
-	if(pid == -1)
-		sysfatal("exec failed");
-
-	getwd(buf1, sizeof buf1);
-	sprint(buf, "name %s/-%s\n0\n", buf1, name);
-	fswrite(ctlfd, buf, strlen(buf));
-	sprint(buf, "dumpdir %s/\n", buf1);
-	fswrite(ctlfd, buf, strlen(buf));
-	sprint(buf, "dump %s\n", onestring(argc, argv));
-	fswrite(ctlfd, buf, strlen(buf));
-	
-	threadcreate(stdoutproc, nil, STACK);
-	stdinproc(nil);
-}
-
-char *shell[] = { "rc", "-i", 0 };
-void
-runproc(void *v)
-{
-	int fd[3];
-	char *sh;
-
-	USED(v);
-
-	fd[0] = p[1];
-//	fd[1] = bodyfd;
-//	fd[2] = bodyfd;
-	fd[1] = p[1];
-	fd[2] = p[1];
-
-	if(prog[0] == nil){
-		prog = shell;
-		if((sh = getenv("SHELL")) != nil)
-			shell[0] = sh;
-	}
-	threadexec(cpid, fd, prog[0], prog);
-	threadexits(nil);
-}
-
-void
-error(char *s)
-{
-	if(s)
-		fprint(2, "win: %s: %r\n", s);
-	else
-		s = "kill";
-	if(pid != -1)
-		postnote(PNGROUP, pid, "hangup");
-	threadexitsall(s);
-}
-
-char*
-onestring(int argc, char **argv)
-{
-	char *p;
-	int i, n;
-	static char buf[1024];
-
-	if(argc == 0)
-		return "";
-	p = buf;
-	for(i=0; i<argc; i++){
-		n = strlen(argv[i]);
-		if(p+n+1 >= buf+sizeof buf)
-			break;
-		memmove(p, argv[i], n);
-		p += n;
-		*p++ = ' ';
-	}
-	p[-1] = 0;
-	return buf;
-}
-
-int
-getec(Fid *efd)
-{
-	static char buf[8192];
-	static char *bufp;
-	static int nbuf;
-
-	if(nbuf == 0){
-		nbuf = fsread(efd, buf, sizeof buf);
-		if(nbuf <= 0)
-			error(nil);
-		bufp = buf;
-	}
-	--nbuf;
-	return *bufp++;
-}
-
-int
-geten(Fid *efd)
-{
-	int n, c;
-
-	n = 0;
-	while('0'<=(c=getec(efd)) && c<='9')
-		n = n*10+(c-'0');
-	if(c != ' ')
-		error("event number syntax");
-	return n;
-}
-
-int
-geter(Fid *efd, char *buf, int *nb)
-{
-	Rune r;
-	int n;
-
-	r = getec(efd);
-	buf[0] = r;
-	n = 1;
-	if(r < Runeself)
-		goto Return;
-	while(!fullrune(buf, n))
-		buf[n++] = getec(efd);
-	chartorune(&r, buf);
-    Return:
-	*nb = n;
-	return r;
-}
-
-void
-gete(Fid *efd, Event *e)
-{
-	int i, nb;
-
-	e->c1 = getec(efd);
-	e->c2 = getec(efd);
-	e->q0 = geten(efd);
-	e->q1 = geten(efd);
-	e->flag = geten(efd);
-	e->nr = geten(efd);
-	if(e->nr > EVENTSIZE)
-		error("event string too long");
-	e->nb = 0;
-	for(i=0; i<e->nr; i++){
-		e->r[i] = geter(efd, e->b+e->nb, &nb);
-		e->nb += nb;
-	}
-	e->r[e->nr] = 0;
-	e->b[e->nb] = 0;
-	if(getec(efd) != '\n')
-		error("event syntax 2");
-}
-
-int
-nrunes(char *s, int nb)
-{
-	int i, n;
-	Rune r;
-
-	n = 0;
-	for(i=0; i<nb; n++)
-		i += chartorune(&r, s+i);
-	return n;
-}
-
-void
-stdinproc(void *v)
-{
-	Fid *cfd = ctlfd;
-	Fid *efd = eventfd;
-	Fid *dfd = datafd;
-	Fid *afd = addrfd;
-	int fd0 = p[0];
-	Event e, e2, e3, e4;
-
-	USED(v);
-
-	for(;;){
-		if(debug)
-			fprint(2, "typing[%d,%d)\n", q.p, q.p+ntyper);
-		gete(efd, &e);
-		if(debug)
-			fprint(2, "msg %c%c q[%d,%d)... ", e.c1, e.c2, e.q0, e.q1);
-		qlock(&q.lk);
-		switch(e.c1){
-		default:
-		Unknown:
-			print("unknown message %c%c\n", e.c1, e.c2);
-			break;
-
-		case 'E':	/* write to body; can't affect us */
-			if(debug)
-				fprint(2, "shift typing %d... ", e.q1-e.q0);
-			q.p += e.q1-e.q0;
-			break;
-
-		case 'F':	/* generated by our actions; ignore */
-			break;
-
-		case 'K':
-		case 'M':
-			switch(e.c2){
-			case 'I':
-				if(e.q0 < q.p){
-					if(debug)
-						fprint(2, "shift typing %d... ", e.q1-e.q0);
-					q.p += e.q1-e.q0;
-				}
-				else if(e.q0 <= q.p+ntyper){
-					if(debug)
-						fprint(2, "type... ");
-					type(&e, fd0, afd, dfd);
-				}
-				break;
-
-			case 'D':
-				q.p -= delete(&e);
-				break;
-
-			case 'x':
-			case 'X':
-				if(e.flag & 2)
-					gete(efd, &e2);
-				if(e.flag & 8){
-					gete(efd, &e3);
-					gete(efd, &e4);
-				}
-				if(e.flag&1 || (e.c2=='x' && e.nr==0 && e2.nr==0)){
-					/* send it straight back */
-					fsfidprint(efd, "%c%c%d %d\n", e.c1, e.c2, e.q0, e.q1);
-					break;
-				}
-				if(e.q0==e.q1 && (e.flag&2)){
-					e2.flag = e.flag;
-					e = e2;
-				}
-				if(e.flag & 8){
-					if(e.q1 != e.q0){
-						sende(&e, fd0, cfd, afd, dfd, 0);
-						sende(&blank, fd0, cfd, afd, dfd, 0);
-					}
-					sende(&e3, fd0, cfd, afd, dfd, 1);
-				}else	 if(e.q1 != e.q0)
-					sende(&e, fd0, cfd, afd, dfd, 1);
-				break;
-
-			case 'l':
-			case 'L':
-				/* just send it back */
-				if(e.flag & 2)
-					gete(efd, &e2);
-				fsfidprint(efd, "%c%c%d %d\n", e.c1, e.c2, e.q0, e.q1);
-				break;
-
-			case 'd':
-			case 'i':
-				break;
-
-			default:
-				goto Unknown;
-			}
-		}
-		qunlock(&q.lk);
-	}
-}
-
-void
-stdoutproc(void *v)
-{
-	int fd1 = p[0];
-	Fid *afd = addrfd;
-	Fid *dfd = datafd;
-	int n, m, w, npart;
-	char *buf, *s, *t;
-	Rune r;
-	char x[16], hold[UTFmax];
-
-	USED(v);
-	threadnotify(nopipes, 1);
-	buf = malloc(8192+UTFmax+1);
-	npart = 0;
-	for(;;){
-		n = threadread(fd1, buf+npart, 8192);
-		if(n < 0)
-			error(nil);
-		if(n == 0)
-			continue;
-
-		/* squash NULs */
-		s = memchr(buf+npart, 0, n);
-		if(s){
-			for(t=s; s<buf+npart+n; s++)
-				if(*t = *s)	/* assign = */
-					t++;
-			n = t-(buf+npart);
-		}
-
-		n += npart;
-
-		/* hold on to final partial rune */
-		npart = 0;
-		while(n>0 && (buf[n-1]&0xC0)){
-			--n;
-			npart++;
-			if((buf[n]&0xC0)!=0x80){
-				if(fullrune(buf+n, npart)){
-					w = chartorune(&r, buf+n);
-					n += w;
-					npart -= w;
-				}
-				break;
-			}
-		}
-		if(n > 0){
-			memmove(hold, buf+n, npart);
-			buf[n] = 0;
-			n = label(buf, n);
-			buf[n] = 0;
-			qlock(&q.lk);
-			m = sprint(x, "#%d", q.p);
-			if(fswrite(afd, x, m) != m)
-				error("stdout writing address");
-			if(fswrite(dfd, buf, n) != n)
-				error("stdout writing body");
-			q.p += nrunes(buf, n);
-			qunlock(&q.lk);
-			memmove(buf, hold, npart);
-		}
-	}
-}
-
-char wdir[256];
-int
-label(char *sr, int n)
-{
-	char *sl, *el, *er, *r;
-
-	er = sr+n;
-	for(r=er-1; r>=sr; r--)
-		if(*r == '\007')
-			break;
-	if(r < sr)
-		return n;
-
-	el = r+1;
-	if(el-sr > sizeof wdir)
-		sr = el - sizeof wdir;
-	for(sl=el-3; sl>=sr; sl--)
-		if(sl[0]=='\033' && sl[1]==']' && sl[2]==';')
-			break;
-	if(sl < sr)
-		return n;
-
-	*r = 0;
-	snprint(wdir, sizeof wdir, "name %s/-%s\n0\n", sl+3, name);
-	fswrite(ctlfd, wdir, strlen(wdir));
-
-	memmove(sl, el, er-el);
-	n -= (el-sl);
-	return n;
-}
-
-int
-delete(Event *e)
-{
-	uint q0, q1;
-	int deltap;
-
-	q0 = e->q0;
-	q1 = e->q1;
-	if(q1 <= q.p)
-		return e->q1-e->q0;
-	if(q0 >= q.p+ntyper)
-		return 0;
-	deltap = 0;
-	if(q0 < q.p){
-		deltap = q.p-q0;
-		q0 = 0;
-	}else
-		q0 -= q.p;
-	if(q1 > q.p+ntyper)
-		q1 = ntyper;
-	else
-		q1 -= q.p;
-	deltype(q0, q1);
-	return deltap;
-}
-
-void
-addtype(int c, uint p0, char *b, int nb, int nr)
-{
-	int i, w;
-	Rune r;
-	uint p;
-	char *b0;
-
-	for(i=0; i<nb; i+=w){
-		w = chartorune(&r, b+i);
-		if((r==0x7F||r==3) && c=='K'){
-			postnote(PNGROUP, pid, "interrupt");
-			/* toss all typing */
-			q.p += ntyper+nr;
-			ntypebreak = 0;
-			ntypeb = 0;
-			ntyper = 0;
-			/* buglet:  more than one delete ignored */
-			return;
-		}
-		if(r=='\n' || r==0x04)
-			ntypebreak++;
-	}
-	typing = realloc(typing, ntypeb+nb);
-	if(typing == nil)
-		error("realloc");
-	if(p0 == ntyper)
-		memmove(typing+ntypeb, b, nb);
-	else{
-		b0 = typing;
-		for(p=0; p<p0 && b0<typing+ntypeb; p++){
-			w = chartorune(&r, b0+i);
-			b0 += w;
-		}
-		if(p != p0)
-			error("typing: findrune");
-		memmove(b0+nb, b0, (typing+ntypeb)-b0);
-		memmove(b0, b, nb);
-	}
-	ntypeb += nb;
-	ntyper += nr;
-}
-
-void
-sendtype(int fd0)
-{
-	int i, n, nr;
-
-	while(ntypebreak){
-		for(i=0; i<ntypeb; i++)
-			if(typing[i]=='\n' || typing[i]==0x04){
-				n = i + (typing[i] == '\n');
-				i++;
-				if(write(fd0, typing, n) != n)
-					error("sending to program");
-				nr = nrunes(typing, i);
-				q.p += nr;
-				ntyper -= nr;
-				ntypeb -= i;
-				memmove(typing, typing+i, ntypeb);
-				ntypebreak--;
-				goto cont2;
-			}
-		print("no breakchar\n");
-		ntypebreak = 0;
-cont2:;
-	}
-}
-
-void
-deltype(uint p0, uint p1)
-{
-	int w;
-	uint p, b0, b1;
-	Rune r;
-
-	/* advance to p0 */
-	b0 = 0;
-	for(p=0; p<p0 && b0<ntypeb; p++){
-		w = chartorune(&r, typing+b0);
-		b0 += w;
-	}
-	if(p != p0)
-		error("deltype 1");
-	/* advance to p1 */
-	b1 = b0;
-	for(; p<p1 && b1<ntypeb; p++){
-		w = chartorune(&r, typing+b1);
-		b1 += w;
-		if(r=='\n' || r==0x04)
-			ntypebreak--;
-	}
-	if(p != p1)
-		error("deltype 2");
-	memmove(typing+b0, typing+b1, ntypeb-b1);
-	ntypeb -= b1-b0;
-	ntyper -= p1-p0;
-}
-
-void
-type(Event *e, int fd0, Fid *afd, Fid *dfd)
-{
-	int m, n, nr;
-	char buf[128];
-
-	if(e->nr > 0)
-		addtype(e->c1, e->q0-q.p, e->b, e->nb, e->nr);
-	else{
-		m = e->q0;
-		while(m < e->q1){
-			n = sprint(buf, "#%d", m);
-			fswrite(afd, buf, n);
-			n = fsread(dfd, buf, sizeof buf);
-			nr = nrunes(buf, n);
-			while(m+nr > e->q1){
-				do; while(n>0 && (buf[--n]&0xC0)==0x80);
-				--nr;
-			}
-			if(n == 0)
-				break;
-			addtype(e->c1, m-q.p, buf, n, nr);
-			m += nr;
-		}
-	}
-	sendtype(fd0);
-}
-
-void
-sende(Event *e, int fd0, Fid *cfd, Fid *afd, Fid *dfd, int donl)
-{
-	int l, m, n, nr, lastc, end;
-	char abuf[16], buf[128];
-
-	end = q.p+ntyper;
-	l = sprint(abuf, "#%d", end);
-	fswrite(afd, abuf, l);
-	if(e->nr > 0){
-		fswrite(dfd, e->b, e->nb);
-		addtype(e->c1, ntyper, e->b, e->nb, e->nr);
-		lastc = e->r[e->nr-1];
-	}else{
-		m = e->q0;
-		lastc = 0;
-		while(m < e->q1){
-			n = sprint(buf, "#%d", m);
-			fswrite(afd, buf, n);
-			n = fsread(dfd, buf, sizeof buf);
-			nr = nrunes(buf, n);
-			while(m+nr > e->q1){
-				do; while(n>0 && (buf[--n]&0xC0)==0x80);
-				--nr;
-			}
-			if(n == 0)
-				break;
-			l = sprint(abuf, "#%d", end);
-			fswrite(afd, abuf, l);
-			fswrite(dfd, buf, n);
-			addtype(e->c1, ntyper, buf, n, nr);
-			lastc = buf[n-1];
-			m += nr;
-			end += nr;
-		}
-	}
-	if(donl && lastc!='\n'){
-		fswrite(dfd, "\n", 1);
-		addtype(e->c1, ntyper, "\n", 1, 1);
-	}
-	fswrite(cfd, "dot=addr", 8);
-	sendtype(fd0);
-}
-- 
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