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Handling of files of unknown size is currently limited. They can't be

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used e.g. for initrd or modules. Moreover gzip handling of not
	easily seekable files is buggy. Disable unknown file size for now. May
	be inefficient but works.

	* grub-core/io/gzio.c (test_header): Always retrieve the file size.
	* grub-core/io/xzio.c (grub_xzio_open): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-12-26 21:15:31 +01:00
parent 5c408d0f50
commit 0b2db94300
3 changed files with 24 additions and 14 deletions
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3
grub-core/io/xzio.c
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@ -222,7 +222,8 @@ grub_xzio_open (grub_file_t io)
xzio->buf.out_pos = 0;
xzio->buf.out_size = XZBUFSIZ;
if (!test_header (file) || !(grub_file_seekable (io) && test_footer (file)))
/* FIXME: don't test footer on not easily seekable files. */
if (!test_header (file) || !test_footer (file))
{
grub_errno = GRUB_ERR_NONE;
grub_file_seek (io, 0);