The void partitions can be occasionally found on Mac OS discs (10.2 for example.) Previously mac-parts would just stop at the first void partition meaning it would never try to boot from the HFS partition.

Index: packages/mac-parts.c

===================================================================

--- packages/mac-parts.c (revision 1041)

+++ packages/mac-parts.c (working copy)

@@ -165,9 +165,12 @@

  for (parnum = 1; parnum <= __be32_to_cpu(par.pmMapBlkCnt); parnum++) {

  SEEK( bs * parnum );

  READ( &par, sizeof(par) );

- if( __be16_to_cpu(par.pmSig) != DESC_PART_SIGNATURE ||

-                            !__be32_to_cpu(par.pmPartBlkCnt) )

+ if( __be16_to_cpu(par.pmSig) != DESC_PART_SIGNATURE) {

  break;

+ }

+ if ( !__be32_to_cpu(par.pmPartBlkCnt) ) {

+ continue; /* Just a void partition, ignore it. */

+ }

 

  DPRINTF("found partition type: %s with status %x\n", par.pmPartType, __be32_to_cpu(par.pmPartStatus));