示例#1
0
文件: look.c 项目: 9fans/plan9port
Window*
lookfile(Rune *s, int n)
{
	int i, j, k;
	Window *w;
	Column *c;
	Text *t;

	/* avoid terminal slash on directories */
	if(n>1 && s[n-1] == '/')
		--n;
	for(j=0; j<row.ncol; j++){
		c = row.col[j];
		for(i=0; i<c->nw; i++){
			w = c->w[i];
			t = &w->body;
			k = t->file->nname;
			if(k>1 && t->file->name[k-1] == '/')
				k--;
			if(runeeq(t->file->name, k, s, n)){
				w = w->body.file->curtext->w;
				if(w->col != nil)	/* protect against race deleting w */
					return w;
			}
		}
	}
	return nil;
}
示例#2
0
文件: acme.c 项目: UNGLinux/9base
void
waitthread(void *v)
{
	Waitmsg *w;
	Command *c, *lc;
	uint pid;
	int found, ncmd;
	Rune *cmd;
	char *err;
	Text *t;
	Pid *pids, *p, *lastp;
	enum { WErr, WKill, WWait, WCmd, NWALT };
	Alt alts[NWALT+1];

	USED(v);
	threadsetname("waitthread");
	pids = nil;
	alts[WErr].c = cerr;
	alts[WErr].v = &err;
	alts[WErr].op = CHANRCV;
	alts[WKill].c = ckill;
	alts[WKill].v = &cmd;
	alts[WKill].op = CHANRCV;
	alts[WWait].c = cwait;
	alts[WWait].v = &w;
	alts[WWait].op = CHANRCV;
	alts[WCmd].c = ccommand;
	alts[WCmd].v = &c;
	alts[WCmd].op = CHANRCV;
	alts[NWALT].op = CHANEND;

	command = nil;
	for(;;){
		switch(alt(alts)){
		case WErr:
			qlock(&row.lk);
			warning(nil, "%s", err);
			free(err);
			flushimage(display, 1);
			qunlock(&row.lk);
			break;
		case WKill:
			found = FALSE;
			ncmd = runestrlen(cmd);
			for(c=command; c; c=c->next){
				/* -1 for blank */
				if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
					if(postnote(PNGROUP, c->pid, "kill") < 0)
						warning(nil, "kill %S: %r\n", cmd);
					found = TRUE;
				}
			}
			if(!found)
				warning(nil, "Kill: no process %S\n", cmd);
			free(cmd);
			break;
		case WWait:
			pid = w->pid;
			lc = nil;
			for(c=command; c; c=c->next){
				if(c->pid == pid){
					if(lc)
						lc->next = c->next;
					else
						command = c->next;
					break;
				}
				lc = c;
			}
			qlock(&row.lk);
			t = &row.tag;
			textcommit(t, TRUE);
			if(c == nil){
				/* helper processes use this exit status */
				if(strncmp(w->msg, "libthread", 9) != 0){
					p = emalloc(sizeof(Pid));
					p->pid = pid;
					strncpy(p->msg, w->msg, sizeof(p->msg));
					p->next = pids;
					pids = p;
				}
			}else{
				if(search(t, c->name, c->nname)){
					textdelete(t, t->q0, t->q1, TRUE);
					textsetselect(t, 0, 0);
				}
				if(w->msg[0])
					warning(c->md, "%.*S: exit %s\n", c->nname-1, c->name, w->msg);
				flushimage(display, 1);
			}
			qunlock(&row.lk);
			free(w);
    Freecmd:
			if(c){
				if(c->iseditcmd)
					sendul(cedit, 0);
				free(c->text);
				free(c->name);
				fsysdelid(c->md);
				free(c);
			}
			break;
		case WCmd:
			/* has this command already exited? */
			lastp = nil;
			for(p=pids; p!=nil; p=p->next){
				if(p->pid == c->pid){
					if(p->msg[0])
						warning(c->md, "%s\n", p->msg);
					if(lastp == nil)
						pids = p->next;
					else
						lastp->next = p->next;
					free(p);
					goto Freecmd;
				}
				lastp = p;
			}
			c->next = command;
			command = c;
			qlock(&row.lk);
			t = &row.tag;
			textcommit(t, TRUE);
			textinsert(t, 0, c->name, c->nname, TRUE);
			textsetselect(t, 0, 0);
			flushimage(display, 1);
			qunlock(&row.lk);
			break;
		}
	}
}
示例#3
0
int
runestreq(Runestr a, Runestr b)
{
    return runeeq(a.r, a.nr, b.r, b.nr);
}
示例#4
0
文件: look.c 项目: 9fans/plan9port
int
search(Text *ct, Rune *r, uint n)
{
	uint q, nb, maxn;
	int around;
	Rune *s, *b, *c;

	if(n==0 || n>ct->file->b.nc)
		return FALSE;
	if(2*n > RBUFSIZE){
		warning(nil, "string too long\n");
		return FALSE;
	}
	maxn = max(2*n, RBUFSIZE);
	s = fbufalloc();
	b = s;
	nb = 0;
	b[nb] = 0;
	around = 0;
	q = ct->q1;
	for(;;){
		if(q >= ct->file->b.nc){
			q = 0;
			around = 1;
			nb = 0;
			b[nb] = 0;
		}
		if(nb > 0){
			c = runestrchr(b, r[0]);
			if(c == nil){
				q += nb;
				nb = 0;
				b[nb] = 0;
				if(around && q>=ct->q1)
					break;
				continue;
			}
			q += (c-b);
			nb -= (c-b);
			b = c;
		}
		/* reload if buffer covers neither string nor rest of file */
		if(nb<n && nb!=ct->file->b.nc-q){
			nb = ct->file->b.nc-q;
			if(nb >= maxn)
				nb = maxn-1;
			bufread(&ct->file->b, q, s, nb);
			b = s;
			b[nb] = '\0';
		}
		/* this runeeq is fishy but the null at b[nb] makes it safe */
		if(runeeq(b, n, r, n)==TRUE){
			if(ct->w){
				textshow(ct, q, q+n, 1);
				winsettag(ct->w);
			}else{
				ct->q0 = q;
				ct->q1 = q+n;
			}
			seltext = ct;
			fbuffree(s);
			return TRUE;
		}
		--nb;
		b++;
		q++;
		if(around && q>=ct->q1)
			break;
	}
	fbuffree(s);
	return FALSE;
}