void
resize_map(unsigned long new_size, partition_map_header *map)
{
partition_map * entry;
partition_map * next;
unsigned int incr;
// find map entry
entry = find_entry_by_type(kMapType, map);
if (entry == NULL) {
printf("Couldn't find entry for map!\n");
return;
}
next = entry->next_by_base;
// same size
if (new_size == entry->data->dpme_pblocks) {
// do nothing
return;
}
// make it smaller
if (new_size < entry->data->dpme_pblocks) {
if (next == NULL
|| istrncmp(next->data->dpme_type, kFreeType, DPISTRLEN) != 0) {
incr = 1;
} else {
incr = 0;
}
if (new_size < map->blocks_in_map + incr) {
printf("New size would be too small\n");
return;
}
goto doit;
}
// make it larger
if (next == NULL
|| istrncmp(next->data->dpme_type, kFreeType, DPISTRLEN) != 0) {
printf("No free space to expand into\n");
return;
}
if (entry->data->dpme_pblock_start + entry->data->dpme_pblocks
!= next->data->dpme_pblock_start) {
printf("No contiguous free space to expand into\n");
return;
}
if (new_size > entry->data->dpme_pblocks + next->data->dpme_pblocks) {
printf("No enough free space\n");
return;
}
doit:
entry->data->dpme_type[0] = 0;
delete_partition_from_map(entry);
add_partition_to_map("Apple", kMapType, 1, new_size, map);
map->maximum_in_map = new_size;
}
void
do_examine_patch_partition(partition_map_header *map)
{
partition_map * entry;
if (map == NULL) {
bad_input("No partition map exists");
return;
}
entry = find_entry_by_type(kPatchType, map);
if (entry == NULL) {
printf("No patch partition\n");
} else {
display_patches(entry);
}
}
