struct partition_limit
{
  char const *name;
  uint64_t max_start_sector;
  uint64_t max_length;
};
%%
dasd,UINT32_MAX,UINT32_MAX
dvh,UINT32_MAX,UINT32_MAX
gpt,UINT64_MAX,UINT64_MAX
mac,UINT32_MAX,UINT32_MAX
msdos,UINT32_MAX,UINT32_MAX
#
# Sun partitions are cylinder-aligned, and it looks like there are 128 sectors
# in a cylinder.  FIXME verify.  Possibly compute sectors-per-cylinder, given
# u_int16_t	ntrks;		/* Tracks per cylinder */
# u_int16_t	nsect;		/* Sectors per track */
sun,128ULL*UINT32_MAX,UINT32_MAX
#
bsd,UINT32_MAX,UINT32_MAX
# aix,UINT32_MAX,UINT32_MAX
# In reality, loop labels have no particular limit.
loop,UINT64_MAX,UINT64_MAX
pc98,UINT32_MAX,UINT32_MAX
#
# FIXME: not verified.  looks like these are cylinder aligned, too
amiga,UINT32_MAX,UINT32_MAX
atari,INT32_MAX,INT32_MAX