Changeset f3504c1 in mainline for uspace/srv/fs/exfat/exfat_directory.c

Timestamp:

2017-07-11T19:05:33Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

94c05b89

Parents:

b2906c0

Message:

ExFAT volume label support.

File:

• uspace/srv/fs/exfat/exfat_directory.c (modified) (1 diff)

uspace/srv/fs/exfat/exfat_directory.c

@@ -260 +260 @@
 }
 
+int exfat_directory_read_vollabel(exfat_directory_t *di, char *label,
+    size_t size)
+{
+        uint16_t wlabel[EXFAT_VOLLABEL_LEN + 1];
+        exfat_dentry_t *d = NULL;
+        int rc;
+        aoff64_t start_pos = 0;
+
+        start_pos = di->pos;
+
+        rc = exfat_directory_seek(di, 0);
+        if (rc != EOK)
+                return rc;
+
+        rc = exfat_directory_find(di, EXFAT_DENTRY_VOLLABEL, &d);
+        if (rc != EOK)
+                return rc;
+
+        exfat_dentry_get_vollabel(&d->vollabel, EXFAT_VOLLABEL_LEN, wlabel);
+
+        rc = utf16_to_str(label, size, wlabel);
+        if (rc != EOK)
+                return rc;
+
+        exfat_directory_seek(di, start_pos);
+        return EOK;
+}
+
 static uint16_t exfat_directory_set_checksum(const uint8_t *bytes, size_t count)
 {