[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vile] writing an empty file with nonewline

From: Thomas Dickey
Subject: Re: [vile] writing an empty file with nonewline
Date: Mon, 22 May 2006 06:34:23 -0400
User-agent: Mutt/1.3.27i

On Mon, May 22, 2006 at 02:52:55PM +1000, Brendan O'Dea wrote:
> There seems to be a problem when writing out an empty file when
> nonewline is set (see
>  $ vi new-file
>  :setl nonewline
>  :wq
>  [writing...]
> Resulting in a file full of newlines.  Note you'll probably want to kill
> the process.

thanks - I ran into a recent problem which I couldn't reproduce that
could be the same as this.
> The problem appears to be in file.c:actually_write(), where the first
> iteration of:
>     while ((rp->r_size + offset) >= line_length(lp)) {
> has rp->r_size as -1, but since r_size is unsigned the test succeeds and
> will do so until decrementing r_size in the body wraps unsigned long.
> Not sure exactly where the root of the problem lies; setup_file_region()
> seems to copy that -1 value from bp->b_bytecount, which should similarly
> be unsigned.

It's probably from one of the changes I made last summer for large-file
support.  Anyway, knowing a simple way to reproduce it is most of the
information that I need (thanks).

Thomas E. Dickey

Attachment: pgpHPi7W7G5OF.pgp
Description: PGP signature

reply via email to

[Prev in Thread] Current Thread [Next in Thread]