bug#65609: 30.0.50; inhibit-eol-conversion breaks revert-buffer

[Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

> Thanks for an easy test case.  We are reading too much from the file
> on disk when reverting in this case.
>
> Po Lu, I think we need the patch below to fix this.  Gerd, does this
> solve your problem as well, including the abort during bootstrap?
> Herbert, I think this could also be related to the problems you see,
> so please try the patch below.
>
> diff --git a/src/fileio.c b/src/fileio.c
> index 23e1a83..8919e08 100644
> --- a/src/fileio.c
> +++ b/src/fileio.c
> @@ -4805,7 +4805,7 @@ DEFUN ("insert-file-contents", Finsert_file_contents, Sinsert_file_contents,
>  
>  	/* 'try' is reserved in some compilers (Microsoft C).  */
>  	ptrdiff_t trytry = min (gap_size, READ_BUF_SIZE);
> -	if (!NILP (end))
> +	if (seekable || !NILP (end))
>  	  trytry = min (trytry, total - inserted);
>  
>  	if (!seekable && NILP (end))

I don't believe this should incur any difficulties upon the Android
port, so please proceed with installing it if it works.