/* Read LEN bytes from the file described by DATA starting with byte
POS. Return the amount of read bytes in READ. */
static grub_ssize_t
grub_affs_read_file (grub_fshelp_node_t node,
void NESTED_FUNC_ATTR (*read_hook) (grub_disk_addr_t sector,
unsigned offset, unsigned length),
int pos, grub_size_t len, char *buf)
{
return grub_fshelp_read_file (node->data->disk, node, read_hook,
pos, len, buf, grub_affs_read_block,
node->size, 0);
}
/* Read LEN bytes from the file described by DATA starting with byte
POS. Return the amount of read bytes in READ. */
static grub_ssize_t
grub_hfsplus_read_file (grub_fshelp_node_t node,
void NESTED_FUNC_ATTR (*read_hook) (grub_disk_addr_t sector,
unsigned offset, unsigned length),
int pos, grub_size_t len, char *buf)
{
return grub_fshelp_read_file (node->data->disk, node, read_hook,
pos, len, buf, grub_hfsplus_read_block,
node->size,
node->data->log2blksize - GRUB_DISK_SECTOR_BITS);
}
/* Read LEN bytes from the file described by DATA starting with byte
POS. Return the amount of read bytes in READ. */
static grub_ssize_t
grub_ext2_read_file (grub_fshelp_node_t node,
void NESTED_FUNC_ATTR (*read_hook) (grub_disk_addr_t sector,
unsigned offset, unsigned length),
int pos, grub_size_t len, char *buf)
{
return grub_fshelp_read_file (node->data->disk, node, read_hook,
pos, len, buf, grub_ext2_read_block,
node->inode.size,
LOG2_EXT2_BLOCK_SIZE (node->data));
}
/* Read LEN bytes from the file described by DATA starting with byte
POS. Return the amount of read bytes in READ. */
static grub_ssize_t
grub_ext2_read_file (grub_fshelp_node_t node,
void (*read_hook) (grub_disk_addr_t sector,
unsigned offset, unsigned length,
void *closure),
void *closure, int flags,
int pos, grub_size_t len, char *buf)
{
return grub_fshelp_read_file (node->data->disk, node, read_hook, closure,
flags, pos, len, buf, grub_ext2_read_block,
node->inode.size,
LOG2_EXT2_BLOCK_SIZE (node->data));
}
