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-rw-r--r--ufs-utils/dlabel.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/ufs-utils/dlabel.c b/ufs-utils/dlabel.c
index dbae0457..33db56da 100644
--- a/ufs-utils/dlabel.c
+++ b/ufs-utils/dlabel.c
@@ -25,33 +25,37 @@
#include <device/device.h>
#include <mach/sa/sys/ioctl.h> /* Ick */
#include <device/disk_status.h>
+#include <hurd/store.h>
static error_t
fd_get_device (int fd, device_t *device)
{
error_t err;
- string_t name;
- int class, flags = 0;
- size_t block_size;
- off_t *runs = 0;
- char *misc = 0;
- size_t runs_len = 0, misc_len = 0;
+ struct store *store;
file_t node = getdport (fd);
if (node == MACH_PORT_NULL)
return errno;
- err = file_get_storage_info (node, &class, &runs, &runs_len, &block_size,
- name, device, &misc, &misc_len, &flags);
- if (!err)
+ err = store_create (node, &store);
+ if (! err)
{
- if (runs_len != 2 || runs[0] != 0 || class != STORAGE_DEVICE)
- /* This doesn't seem to be a handle on the whole device; be picky. */
+ if (store->class != STORAGE_DEVICE
+ /* In addition to requiring a device, we also want the *whole*
+ device -- one contiguous run starting at 0. */
+ || store->num_runs != 1
+ || store->runs[0].start != 0)
err = ENODEV;
- if (runs_len)
- vm_deallocate (mach_task_self (), (vm_address_t)runs, runs_len);
- if (misc_len)
- vm_deallocate (mach_task_self (), (vm_address_t)misc, misc_len);
+ else if (store->port == MACH_PORT_NULL)
+ /* Usually getting a null port back means we didn't have sufficient
+ privileges. */
+ err = EPERM;
+ else
+ {
+ *device = store->port;
+ store->port = MACH_PORT_NULL; /* Steal the port from STORE! */
+ }
+ store_free (store);
}
mach_port_deallocate (mach_task_self (), node);