Changeset 852664b9 in mainline for uspace/lib/fdisk/src/fdisk.c

Timestamp:

2015-10-21T09:55:49Z (9 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

21f1543

Parents:

b598460a

Message:

Display total free space size.

File:

• uspace/lib/fdisk/src/fdisk.c (modified) (2 diffs)

uspace/lib/fdisk/src/fdisk.c

@@ -763 +763 @@
 }
 
+/** Get size of largest free block. */
 int fdisk_part_get_max_avail(fdisk_dev_t *dev, fdisk_spc_t spc, fdisk_cap_t *cap)
 {
@@ -783 +784 @@
 
         cap->value = nb * dev->dinfo.block_size;
+        cap->cunit = cu_byte;
+        return EOK;
+}
+
+/** Get total free space capacity. */
+int fdisk_part_get_tot_avail(fdisk_dev_t *dev, fdisk_spc_t spc,
+    fdisk_cap_t *cap)
+{
+        fdisk_free_range_t fr;
+        uint64_t hdrb;
+        uint64_t b0;
+        uint64_t nb;
+        uint64_t totb;
+
+        if (spc == spc_log)
+                hdrb = max(1, dev->align);
+        else
+                hdrb = 0;
+
+        totb = 0;
+        fdisk_free_range_first(dev, spc, &fr);
+        do {
+                if (fdisk_free_range_get(&fr, &b0, &nb)) {
+                        if (nb > hdrb)
+                                totb += nb - hdrb;
+                }
+        } while (fdisk_free_range_next(&fr));
+
+        cap->value = totb * dev->dinfo.block_size;
         cap->cunit = cu_byte;
         return EOK;