C++ (Cpp) fscloneの例

コード例 #1

ファイル: devfs-posix.c プロジェクト: enzolovesbacon/vx32

static Walkqid*
fswalk(Chan *c, Chan *nc, char **name, int nname)
{
	int i;
	Path *path;
	Walkqid *wq;
	UnixFd *ufd;

	if(nc != nil)
		panic("fswalk: nc != nil");
	wq = smalloc(sizeof(Walkqid)+(nname-1)*sizeof(Qid));
	nc = devclone(c);
	fsclone(c, nc);
	ufd = c->aux;
	path = ufd->path;
	incref(&path->ref);

	wq->clone = nc;
	for(i=0; i<nname; i++){
		ufd = nc->aux;
		replacepath(nc, path);
		if(fswalk1(nc, name[i]) < 0){
			if(i == 0){
				pathclose(path);
				cclose(nc);
				free(wq);
				error(Enonexist);
			}
			break;
		}
		path = addelem(path, name[i], nil);
		wq->qid[i] = nc->qid;
	}
	replacepath(nc, path);
	pathclose(path);
	if(i != nname){
		cclose(nc);
		wq->clone = nil;
	}
	wq->nqid = i;
	return wq;
}

コード例 #2

ファイル: devfs-win32.c プロジェクト: rtrn/drawterm

static Walkqid*
fswalk(Chan *c, Chan *nc, char **name, int nname)
{
	int i;
	Walkqid *wq;

	if(nc != nil)
		panic("fswalk: nc != nil");
	wq = smalloc(sizeof(Walkqid)+(nname-1)*sizeof(Qid));
	nc = devclone(c);
	fsclone(c, nc);
	wq->clone = nc;
	for(i=0; i<nname; i++){
		if(fswalk1(nc, name[i]) == 0)
			break;
		wq->qid[i] = nc->qid;
	}
	if(i != nname){
		cclose(nc);
		wq->clone = nil;
	}
	wq->nqid = i;
	return wq;
}