We will produce an error message if a user attempts
to use an option we don't implement.

Signed-off-by: Shao Miller <shao.miller@yrdsb.edu.on.ca>

Install an empty ADV in the Windows installer to keep it from being
broken.  In order to do that, separate the Unix-specific ADV I/O
functions from the generic data structure manipulation.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

Merge the SYSLINUX and EXTLINUX patching code and core code, removing
EXTLINUX as a separate derivative.  All the disk-based systems now use
the same code.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

The previous merging extlinux/syslinux patch is not sufficient, the
syslinux is not real "patchbased", hence:

* fill currentdir in patcharea
* search "extlinux.conf" and "syslinux.cfg" for generic_load_config
* define boot_image and boot_sector macro for ldsyslinux
  this could make further merging extlinux and syslinux possible

Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

Conflicts:
	com32/include/netinet/in.h
	com32/include/sys/cpu.h
	dos/argv.c
	dos/malloc.c
	dos/syslinux.c
	extlinux/main.c
	libinstaller/setadv.c
	libinstaller/syslinux.h
	libinstaller/syslxint.h
	libinstaller/syslxmod.c
	linux/syslinux.c
	mtools/syslinux.c
	win32/syslinux.c

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Automatically reformat win32/syslinux.c using Nindent.

Do this for all files except HDT, gPXE and externally maintained
libraries (zlib, tinyjpeg, libpng).

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Use the names SECTOR_SIZE and SECTOR_SHIFT everywhere, instead of an
odd mix of symbols and hard-coded constants.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Additional fixes for the 32K limits in the installers.  In the case
of the DOS installer, that means changing it from COM format to EXE
format (since COM format has a 63K hard limit); retain the name
syslinux.com for user compatibility, though (DOS doesn't care what the
extension except for pathname search; if it finds an MZ EXE header it
will use it.)

With the change to EXE means having to handle more than one segment.
Since we don't have a real DOS compiler we have to wing it a bit.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

Hook up RAID mode in the installers for SYSLINUX