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use directly block address instead of computing it with blocksize, correct parameter of get_blocksize()

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This commit is contained in:
Laurent Vivier 2007-11-01 22:52:17 +00:00
parent 642feb9d59
commit 3eb3d6005e
1 changed files with 13 additions and 5 deletions
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18
libmap/map_open.c
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@ -17,12 +17,18 @@ map_t* map_open(device_io_t *device)
{
map_t *map;
int ret;
int blocksize = device->get_blocksize(device);
int blocksize = device->get_blocksize(device->data);
ASSERT_DD(printf("INTERNAL ERROR: Bad Block 0 size structure\n");
return NULL;)
ASSERT_P(printf("INTERNAL ERROR: Bad Partition size structure\n");
return NULL;)
if (blocksize > MAP_BLOCKSIZE)
{
printf("device block size too big (%d)\n", blocksize);
return NULL;
}
map = (map_t*)malloc(sizeof(map_t));
if (map == NULL)
@ -36,18 +42,20 @@ map_t* map_open(device_io_t *device)
}
memcpy(map->device, device, sizeof(device_io_t));
ret = device->read_sector(map->device->data, 0,
&map->drivers, sizeof(map->drivers));
ret = map->device->read_sector(map->device->data, 0,
&map->drivers, blocksize);
if (ret == -1)
{
printf("Cannot read block 0\n");
free(map);
return NULL;
}
ret = device->read_sector(map->device->data, sizeof(map->drivers) / blocksize,
&map->partition, sizeof(map->partition));
ret = map->device->read_sector(map->device->data, 1,
&map->partition, blocksize);
if (ret == -1)
{
printf("Cannot read first partition descriptor\n");
free(map);
return NULL;
}