Re: [PATCH] Support for unknown size and not seekable files

[Seth Goldberg]

Hi,

  Thanks for this.  What's the goal of this patch?  It seems that it marks the 
size and unknown until it gets to the metadata that indicates the file's size, 
then updates the size to the correct size, right?  Where do you see this being 
useful?  It would seems that even with this patch, one would still need to 
read a gzipped file twice to be able to get its size, then allocate a 
contiguous buffer large enough to hold the entire thing (if that is desired 
(which, in some cases, it is :))).

 Thanks,
 --S

Quoting Szymon Janc, who wrote the following on Sat, 15 Jan 2011:

> Hello,
>
> First patch adds support for GRUB_FILE_SIZE_UNKNOW file size in grub_file_read
> and grub_file_seek functions.
>
> Second and third add GRUB_FILE_SIZE_UNKNOW support for gzio and xzio when
> dealing with not easily seekable files.
>
>
> Should be usefull for reading compressed files over pxe.
>
> Testing and comments are welcome :)
>
> --
> Szymon K. Janc
> address@hidden // GG: 1383435