OK martijn@
On 11/23/17 14:14, Ricardo Mestre wrote:
> Index: common/delete.c
> ===================================================================
> RCS file: /cvs/src/usr.bin/vi/common/delete.c,v
> retrieving revision 1.11
> diff -u -p -u -r1.11 delete.c
> --- common/delete.c 6 Jan 2016 22:28:52 -0000 1.11
> +++ common/delete.c 23 Nov 2017 12:52:38 -0000
> @@ -87,14 +87,16 @@ del(SCR *sp, MARK *fm, MARK *tm, int lmo
> if (tm->lno == fm->lno) {
> if (db_get(sp, fm->lno, DBG_FATAL, &p, &len))
> return (1);
> - GET_SPACE_RET(sp, bp, blen, len);
> - if (fm->cno != 0)
> - memcpy(bp, p, fm->cno);
> - memcpy(bp + fm->cno, p + (tm->cno + 1), len - (tm->cno + 1));
> - if (db_set(sp, fm->lno,
> - bp, len - ((tm->cno - fm->cno) + 1)))
> - goto err;
> - goto done;
> + if (len != 0) {
> + GET_SPACE_RET(sp, bp, blen, len);
> + if (fm->cno != 0)
> + memcpy(bp, p, fm->cno);
> + memcpy(bp + fm->cno, p + (tm->cno + 1), len - (tm->cno
> + 1));
> + if (db_set(sp, fm->lno,
> + bp, len - ((tm->cno - fm->cno) + 1)))
> + goto err;
> + goto done;
> + }
> }
>
> /*
>
