cpすらかけないおれがきましたよ

Annotation of src/bin/cp/utils.c, revision 1.45.2.3

wtotal = 0;
while ((rcount = read(from_fd, buf, MAXBSIZE)) > 0) {
	for (bufp = buf, wresid = rcount; ;
    	bufp += wcount, wresid -= wcount) {
		wcount = write(to_fd, bufp, wresid);
		if (wcount <= 0)
			break;
		wtotal += wcount;
		if (info) {
			info = 0;
			(void)fprintf(stderr,
			    "%s -> %s %3d%%\n",
			    entp->fts_path, to.p_path,
			    cp_pct(wtotal, fs->st_size));
		}
		if (wcount >= (ssize_t)wresid)
			break;
	}
	if (wcount != (ssize_t)wresid) {
		warn("%s", to.p_path);
		rval = 1;
		break;
	}
}

open( argv[2], O_WRONLY|O_CREAT, 0)

ってやったらパーミッション00000のファイルができててワロタ。ls -lしたら ---------- kuenishi kuenishi ...ってなっててさらにワロタ。