X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fgenerator.ml;h=88698420ca8fe28038911ae41e9d58d71039f17e;hp=10381dcb00dad0d79bfe2832d6e9b002cbfe7adc;hb=61ab83d19009a8006dd73ebe16d22494b78be4d1;hpb=b177f05ed6e65a9fe1fddc6ca602edcb912ac363

diff --git a/src/generator.ml b/src/generator.ml
index 10381dc..8869842 100755
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -19,17 +19,17 @@
 
 (* This script generates a large amount of code and documentation for
  * all the daemon actions.
- * 
+ *
  * To add a new action there are only two files you need to change,
  * this one to describe the interface (see the big table of
  * 'daemon_functions' below), and daemon/<somefile>.c to write the
  * implementation.
- * 
+ *
  * After editing this file, run it (./src/generator.ml) to regenerate
  * all the output files.  'make' will rerun this automatically when
  * necessary.  Note that if you are using a separate build directory
  * you must run generator.ml from the _source_ directory.
- * 
+ *
  * IMPORTANT: This script should NOT print any warnings.  If it prints
  * warnings, you should treat them as errors.
  *
@@ -42,6 +42,7 @@
 #load "unix.cma";;
 #load "str.cma";;
 #directory "+xml-light";;
+#directory "+../pkg-lib/xml-light";; (* for GODI users *)
 #load "xml-light.cma";;
 
 open Unix
@@ -181,11 +182,16 @@ type flags =
   | DangerWillRobinson	  (* flags particularly dangerous commands *)
   | FishAlias of string	  (* provide an alias for this cmd in guestfish *)
   | FishAction of string  (* call this function in guestfish *)
+  | FishOutput of fish_output_t (* how to display output in guestfish *)
   | NotInFish		  (* do not export via guestfish *)
   | NotInDocs		  (* do not add this function to documentation *)
   | DeprecatedBy of string (* function is deprecated, use .. instead *)
   | Optional of string	  (* function is part of an optional group *)
 
+and fish_output_t =
+  | FishOutputOctal       (* for int return, print in octal *)
+  | FishOutputHexadecimal (* for int return, print in hex *)
+
 (* You can supply zero or as many tests as you want per API call.
  *
  * Note that the test environment has 3 block devices, of size 500MB,
@@ -489,9 +495,15 @@ image).
 
 This is equivalent to the qemu parameter
 C<-drive file=filename,cache=off,if=...>.
+
 C<cache=off> is omitted in cases where it is not supported by
 the underlying filesystem.
 
+C<if=...> is set at compile time by the configuration option
+C<./configure --with-drive-if=...>.  In the rare case where you
+might need to change this at run time, use C<guestfs_add_drive_with_if>
+or C<guestfs_add_drive_ro_with_if>.
+
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
 by qemu such as C<nbd:> and C<http:> URLs.  To specify those, use
@@ -505,10 +517,24 @@ This function adds a virtual CD-ROM disk image to the guest.
 
 This is equivalent to the qemu parameter C<-cdrom filename>.
 
-Note that this call checks for the existence of C<filename>.  This
+Notes:
+
+=over 4
+
+=item *
+
+This call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
 by qemu such as C<nbd:> and C<http:> URLs.  To specify those, use
-the general C<guestfs_config> call instead.");
+the general C<guestfs_config> call instead.
+
+=item *
+
+If you just want to add an ISO file (often you use this as an
+efficient way to transfer large files into the guest), then you
+should probably use C<guestfs_add_drive_ro> instead.
+
+=back");
 
   ("add_drive_ro", (RErr, [String "filename"]), -1, [FishAlias "add-ro"],
    [],
@@ -524,7 +550,14 @@ handle is closed.  We don't currently have any method to enable
 changes to be committed, although qemu can support this.
 
 This is equivalent to the qemu parameter
-C<-drive file=filename,snapshot=on,if=...>.
+C<-drive file=filename,snapshot=on,readonly=on,if=...>.
+
+C<if=...> is set at compile time by the configuration option
+C<./configure --with-drive-if=...>.  In the rare case where you
+might need to change this at run time, use C<guestfs_add_drive_with_if>
+or C<guestfs_add_drive_ro_with_if>.
+
+C<readonly=on> is only added where qemu supports this option.
 
 Note that this call checks for the existence of C<filename>.  This
 stops you from specifying other types of drive which are supported
@@ -556,7 +589,15 @@ configure script.
 You can also override this by setting the C<LIBGUESTFS_QEMU>
 environment variable.
 
-Setting C<qemu> to C<NULL> restores the default qemu binary.");
+Setting C<qemu> to C<NULL> restores the default qemu binary.
+
+Note that you should call this function as early as possible
+after creating the handle.  This is because some pre-launch
+operations depend on testing qemu features (by running C<qemu -help>).
+If the qemu binary changes, we don't retest features, and
+so you might see inconsistent results.  Using the environment
+variable C<LIBGUESTFS_QEMU> is safest of all since that picks
+the qemu binary at the same time as the handle is created.");
 
   ("get_qemu", (RConstString "qemu", []), -1, [],
    [InitNone, Always, TestRun (
@@ -873,6 +914,20 @@ qemu, which is not very helpful.");
    "\
 Return the recovery process enabled flag.");
 
+  ("add_drive_with_if", (RErr, [String "filename"; String "iface"]), -1, [],
+   [],
+   "add a drive specifying the QEMU block emulation to use",
+   "\
+This is the same as C<guestfs_add_drive> but it allows you
+to specify the QEMU interface emulation to use at run time.");
+
+  ("add_drive_ro_with_if", (RErr, [String "filename"; String "iface"]), -1, [],
+   [],
+   "add a drive read-only specifying the QEMU block emulation to use",
+   "\
+This is the same as C<guestfs_add_drive_ro> but it allows you
+to specify the QEMU interface emulation to use at run time.");
+
 ]
 
 (* daemon_functions are any functions which cause some action
@@ -1188,7 +1243,12 @@ matches exactly one node, the C<value> is returned.");
    [], (* XXX Augeas code needs tests. *)
    "set Augeas path to value",
    "\
-Set the value associated with C<path> to C<value>.");
+Set the value associated with C<path> to C<val>.
+
+In the Augeas API, it is possible to clear a node by setting
+the value to NULL.  Due to an oversight in the libguestfs API
+you cannot do that with this call.  Instead you must use the
+C<guestfs_aug_clear> call.");
 
   ("aug_insert", (RErr, [String "augpath"; String "label"; Bool "before"]), 21, [Optional "augeas"],
    [], (* XXX Augeas code needs tests. *)
@@ -1326,7 +1386,13 @@ as necessary.  This is like the C<mkdir -p> shell command.");
    "change file mode",
    "\
 Change the mode (permissions) of C<path> to C<mode>.  Only
-numeric modes are supported.");
+numeric modes are supported.
+
+I<Note>: When using this command from guestfish, C<mode>
+by default would be decimal, unless you prefix it with
+C<0> to get octal, ie. use C<0700> not C<700>.
+
+The mode actually set is affected by the umask.");
 
   ("chown", (RErr, [Int "owner"; Int "group"; Pathname "path"]), 35, [],
    [], (* XXX Need stat command to test *)
@@ -1419,16 +1485,16 @@ from the non-empty list of physical volumes C<physvols>.");
        ["lvs"]],
       ["/dev/VG1/LV1"; "/dev/VG1/LV2";
        "/dev/VG2/LV3"; "/dev/VG2/LV4"; "/dev/VG2/LV5"])],
-   "create an LVM volume group",
+   "create an LVM logical volume",
    "\
-This creates an LVM volume group called C<logvol>
+This creates an LVM logical volume called C<logvol>
 on the volume group C<volgroup>, with C<size> megabytes.");
 
   ("mkfs", (RErr, [String "fstype"; Device "device"]), 42, [],
    [InitEmpty, Always, TestOutput (
       [["part_disk"; "/dev/sda"; "mbr"];
        ["mkfs"; "ext2"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["write_file"; "/new"; "new file contents"; "0"];
        ["cat"; "/new"]], "new file contents")],
    "make a filesystem",
@@ -1504,12 +1570,12 @@ use C<guestfs_upload>.");
    [InitEmpty, Always, TestOutputListOfDevices (
       [["part_disk"; "/dev/sda"; "mbr"];
        ["mkfs"; "ext2"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["mounts"]], ["/dev/sda1"]);
     InitEmpty, Always, TestOutputList (
       [["part_disk"; "/dev/sda"; "mbr"];
        ["mkfs"; "ext2"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["umount"; "/"];
        ["mounts"]], [])],
    "unmount a filesystem",
@@ -1540,11 +1606,11 @@ See also: C<guestfs_mountpoints>");
        ["mkfs"; "ext2"; "/dev/sda1"];
        ["mkfs"; "ext2"; "/dev/sda2"];
        ["mkfs"; "ext2"; "/dev/sda3"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["mkdir"; "/mp1"];
-       ["mount"; "/dev/sda2"; "/mp1"];
+       ["mount_options"; ""; "/dev/sda2"; "/mp1"];
        ["mkdir"; "/mp1/mp2"];
-       ["mount"; "/dev/sda3"; "/mp1/mp2"];
+       ["mount_options"; ""; "/dev/sda3"; "/mp1/mp2"];
        ["mkdir"; "/mp1/mp2/mp3"];
        ["umount_all"];
        ["mounts"]], [])],
@@ -1971,7 +2037,8 @@ The checksum is returned as a printable string.");
 This command uploads and unpacks local file C<tarfile> (an
 I<uncompressed> tar file) into C<directory>.
 
-To upload a compressed tarball, use C<guestfs_tgz_in>.");
+To upload a compressed tarball, use C<guestfs_tgz_in>
+or C<guestfs_txz_in>.");
 
   ("tar_out", (RErr, [String "directory"; FileOut "tarfile"]), 70, [],
    [],
@@ -1980,7 +2047,8 @@ To upload a compressed tarball, use C<guestfs_tgz_in>.");
 This command packs the contents of C<directory> and downloads
 it to local file C<tarfile>.
 
-To download a compressed tarball, use C<guestfs_tgz_out>.");
+To download a compressed tarball, use C<guestfs_tgz_out>
+or C<guestfs_txz_out>.");
 
   ("tgz_in", (RErr, [FileIn "tarball"; String "directory"]), 71, [],
    [InitBasicFS, Always, TestOutput (
@@ -2189,7 +2257,7 @@ to return the existing UUID of a filesystem.");
 This returns the ext2/3/4 filesystem UUID of the filesystem on
 C<device>.");
 
-  ("fsck", (RInt "status", [String "fstype"; Device "device"]), 84, [],
+  ("fsck", (RInt "status", [String "fstype"; Device "device"]), 84, [FishOutput FishOutputHexadecimal],
    [InitBasicFS, Always, TestOutputInt (
       [["umount"; "/dev/sda1"];
        ["fsck"; "ext2"; "/dev/sda1"]], 0);
@@ -2240,7 +2308,7 @@ How many blocks are zeroed isn't specified (but it's I<not> enough
 to securely wipe the device).  It should be sufficient to remove
 any partition tables, filesystem superblocks and so on.
 
-See also: C<guestfs_scrub_device>.");
+See also: C<guestfs_zero_device>, C<guestfs_scrub_device>.");
 
   ("grub_install", (RErr, [Pathname "root"; Device "device"]), 86, [],
    (* Test disabled because grub-install incompatible with virtio-blk driver.
@@ -2401,11 +2469,11 @@ the human-readable, canonical hex dump of the file.");
    [InitNone, Always, TestOutput (
       [["part_disk"; "/dev/sda"; "mbr"];
        ["mkfs"; "ext3"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["write_file"; "/new"; "test file"; "0"];
        ["umount"; "/dev/sda1"];
        ["zerofree"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["cat"; "/new"]], "test file")],
    "zero unused inodes and disk blocks on ext2/3 filesystem",
    "\
@@ -2506,13 +2574,13 @@ are activated or deactivated.");
        ["vgcreate"; "VG"; "/dev/sda1"];
        ["lvcreate"; "LV"; "VG"; "10"];
        ["mkfs"; "ext2"; "/dev/VG/LV"];
-       ["mount"; "/dev/VG/LV"; "/"];
+       ["mount_options"; ""; "/dev/VG/LV"; "/"];
        ["write_file"; "/new"; "test content"; "0"];
        ["umount"; "/"];
        ["lvresize"; "/dev/VG/LV"; "20"];
        ["e2fsck_f"; "/dev/VG/LV"];
        ["resize2fs"; "/dev/VG/LV"];
-       ["mount"; "/dev/VG/LV"; "/"];
+       ["mount_options"; ""; "/dev/VG/LV"; "/"];
        ["cat"; "/new"]], "test content")],
    "resize an LVM logical volume",
    "\
@@ -2919,7 +2987,9 @@ named pipes (FIFOs).
 The C<mode> parameter should be the mode, using the standard
 constants.  C<devmajor> and C<devminor> are the
 device major and minor numbers, only used when creating block
-and character special devices.");
+and character special devices.
+
+The mode actually set is affected by the umask.");
 
   ("mkfifo", (RErr, [Int "mode"; Pathname "path"]), 134, [Optional "mknod"],
    [InitBasicFS, Always, TestOutputStruct (
@@ -2929,7 +2999,9 @@ and character special devices.");
    "\
 This call creates a FIFO (named pipe) called C<path> with
 mode C<mode>.  It is just a convenient wrapper around
-C<guestfs_mknod>.");
+C<guestfs_mknod>.
+
+The mode actually set is affected by the umask.");
 
   ("mknod_b", (RErr, [Int "mode"; Int "devmajor"; Int "devminor"; Pathname "path"]), 135, [Optional "mknod"],
    [InitBasicFS, Always, TestOutputStruct (
@@ -2939,7 +3011,9 @@ C<guestfs_mknod>.");
    "\
 This call creates a block device node called C<path> with
 mode C<mode> and device major/minor C<devmajor> and C<devminor>.
-It is just a convenient wrapper around C<guestfs_mknod>.");
+It is just a convenient wrapper around C<guestfs_mknod>.
+
+The mode actually set is affected by the umask.");
 
   ("mknod_c", (RErr, [Int "mode"; Int "devmajor"; Int "devminor"; Pathname "path"]), 136, [Optional "mknod"],
    [InitBasicFS, Always, TestOutputStruct (
@@ -2949,12 +3023,13 @@ It is just a convenient wrapper around C<guestfs_mknod>.");
    "\
 This call creates a char device node called C<path> with
 mode C<mode> and device major/minor C<devmajor> and C<devminor>.
-It is just a convenient wrapper around C<guestfs_mknod>.");
+It is just a convenient wrapper around C<guestfs_mknod>.
 
-  ("umask", (RInt "oldmask", [Int "mask"]), 137, [],
-   [], (* XXX umask is one of those stateful things that we should
-        * reset between each test.
-        *)
+The mode actually set is affected by the umask.");
+
+  ("umask", (RInt "oldmask", [Int "mask"]), 137, [FishOutput FishOutputOctal],
+   [InitEmpty, Always, TestOutputInt (
+      [["umask"; "0o22"]], 0o22)],
    "set file mode creation mask (umask)",
    "\
 This function sets the mask used for creating new files and
@@ -2969,7 +3044,8 @@ The default umask is C<022>.  This is important because it
 means that directories and device nodes will be created with
 C<0644> or C<0755> mode even if you specify C<0777>.
 
-See also L<umask(2)>, C<guestfs_mknod>, C<guestfs_mkdir>.
+See also C<guestfs_get_umask>,
+L<umask(2)>, C<guestfs_mknod>, C<guestfs_mkdir>.
 
 This call returns the previous umask.");
 
@@ -3556,7 +3632,7 @@ and C<guestfs_setcon>");
    [InitEmpty, Always, TestOutput (
       [["part_disk"; "/dev/sda"; "mbr"];
        ["mkfs_b"; "ext2"; "4096"; "/dev/sda1"];
-       ["mount"; "/dev/sda1"; "/"];
+       ["mount_options"; ""; "/dev/sda1"; "/"];
        ["write_file"; "/new"; "new file contents"; "0"];
        ["cat"; "/new"]], "new file contents")],
    "make a filesystem with block size",
@@ -3571,7 +3647,7 @@ are C<1024>, C<2048> or C<4096> only.");
       [["sfdiskM"; "/dev/sda"; ",100 ,"];
        ["mke2journal"; "4096"; "/dev/sda1"];
        ["mke2fs_J"; "ext2"; "4096"; "/dev/sda2"; "/dev/sda1"];
-       ["mount"; "/dev/sda2"; "/"];
+       ["mount_options"; ""; "/dev/sda2"; "/"];
        ["write_file"; "/new"; "new file contents"; "0"];
        ["cat"; "/new"]], "new file contents")],
    "make ext2/3/4 external journal",
@@ -3586,7 +3662,7 @@ to the command:
       [["sfdiskM"; "/dev/sda"; ",100 ,"];
        ["mke2journal_L"; "4096"; "JOURNAL"; "/dev/sda1"];
        ["mke2fs_JL"; "ext2"; "4096"; "/dev/sda2"; "JOURNAL"];
-       ["mount"; "/dev/sda2"; "/"];
+       ["mount_options"; ""; "/dev/sda2"; "/"];
        ["write_file"; "/new"; "new file contents"; "0"];
        ["cat"; "/new"]], "new file contents")],
    "make ext2/3/4 external journal with label",
@@ -3599,7 +3675,7 @@ This creates an ext2 external journal on C<device> with label C<label>.");
        [["sfdiskM"; "/dev/sda"; ",100 ,"];
         ["mke2journal_U"; "4096"; uuid; "/dev/sda1"];
         ["mke2fs_JU"; "ext2"; "4096"; "/dev/sda2"; uuid];
-        ["mount"; "/dev/sda2"; "/"];
+        ["mount_options"; ""; "/dev/sda2"; "/"];
         ["write_file"; "/new"; "new file contents"; "0"];
         ["cat"; "/new"]], "new file contents")]),
    "make ext2/3/4 external journal with UUID",
@@ -3813,7 +3889,13 @@ C<*secs> field is ignored in this case).");
    "create a directory with a particular mode",
    "\
 This command creates a directory, setting the initial permissions
-of the directory to C<mode>.  See also C<guestfs_mkdir>.");
+of the directory to C<mode>.
+
+For common Linux filesystems, the actual mode which is set will
+be C<mode & ~umask & 01777>.  Non-native-Linux filesystems may
+interpret the mode in other ways.
+
+See also C<guestfs_mkdir>, C<guestfs_umask>");
 
   ("lchown", (RErr, [Int "owner"; Int "group"; Pathname "path"]), 203, [],
    [], (* XXX *)
@@ -4039,10 +4121,9 @@ but other possible values are described in C<guestfs_part_init>.");
 This sets the bootable flag on partition numbered C<partnum> on
 device C<device>.  Note that partitions are numbered from 1.
 
-The bootable flag is used by some PC BIOSes to determine which
-partition to boot from.  It is by no means universally recognized,
-and in any case if your operating system installed a boot
-sector on the device itself, then that takes precedence.");
+The bootable flag is used by some operating systems (notably
+Windows) to determine which partition to boot from.  It is by
+no means universally recognized.");
 
   ("part_set_name", (RErr, [Device "device"; Int "partnum"; String "name"]), 212, [],
    [InitEmpty, Always, TestRun (
@@ -4186,7 +4267,247 @@ example to duplicate a filesystem.
 
 If the destination is a device, it must be as large or larger
 than the source file or device, otherwise the copy will fail.
-This command cannot do partial copies.");
+This command cannot do partial copies (see C<guestfs_copy_size>).");
+
+  ("filesize", (RInt64 "size", [Pathname "file"]), 218, [],
+   [InitBasicFS, Always, TestOutputInt (
+      [["write_file"; "/file"; "hello, world"; "0"];
+       ["filesize"; "/file"]], 12)],
+   "return the size of the file in bytes",
+   "\
+This command returns the size of C<file> in bytes.
+
+To get other stats about a file, use C<guestfs_stat>, C<guestfs_lstat>,
+C<guestfs_is_dir>, C<guestfs_is_file> etc.
+To get the size of block devices, use C<guestfs_blockdev_getsize64>.");
+
+  ("lvrename", (RErr, [String "logvol"; String "newlogvol"]), 219, [],
+   [InitBasicFSonLVM, Always, TestOutputList (
+      [["lvrename"; "/dev/VG/LV"; "/dev/VG/LV2"];
+       ["lvs"]], ["/dev/VG/LV2"])],
+   "rename an LVM logical volume",
+   "\
+Rename a logical volume C<logvol> with the new name C<newlogvol>.");
+
+  ("vgrename", (RErr, [String "volgroup"; String "newvolgroup"]), 220, [],
+   [InitBasicFSonLVM, Always, TestOutputList (
+      [["umount"; "/"];
+       ["vg_activate"; "false"; "VG"];
+       ["vgrename"; "VG"; "VG2"];
+       ["vg_activate"; "true"; "VG2"];
+       ["mount_options"; ""; "/dev/VG2/LV"; "/"];
+       ["vgs"]], ["VG2"])],
+   "rename an LVM volume group",
+   "\
+Rename a volume group C<volgroup> with the new name C<newvolgroup>.");
+
+  ("initrd_cat", (RBufferOut "content", [Pathname "initrdpath"; String "filename"]), 221, [ProtocolLimitWarning],
+   [InitISOFS, Always, TestOutputBuffer (
+      [["initrd_cat"; "/initrd"; "known-4"]], "abc\ndef\nghi")],
+   "list the contents of a single file in an initrd",
+   "\
+This command unpacks the file C<filename> from the initrd file
+called C<initrdpath>.  The filename must be given I<without> the
+initial C</> character.
+
+For example, in guestfish you could use the following command
+to examine the boot script (usually called C</init>)
+contained in a Linux initrd or initramfs image:
+
+ initrd-cat /boot/initrd-<version>.img init
+
+See also C<guestfs_initrd_list>.");
+
+  ("pvuuid", (RString "uuid", [Device "device"]), 222, [],
+   [],
+   "get the UUID of a physical volume",
+   "\
+This command returns the UUID of the LVM PV C<device>.");
+
+  ("vguuid", (RString "uuid", [String "vgname"]), 223, [],
+   [],
+   "get the UUID of a volume group",
+   "\
+This command returns the UUID of the LVM VG named C<vgname>.");
+
+  ("lvuuid", (RString "uuid", [Device "device"]), 224, [],
+   [],
+   "get the UUID of a logical volume",
+   "\
+This command returns the UUID of the LVM LV C<device>.");
+
+  ("vgpvuuids", (RStringList "uuids", [String "vgname"]), 225, [],
+   [],
+   "get the PV UUIDs containing the volume group",
+   "\
+Given a VG called C<vgname>, this returns the UUIDs of all
+the physical volumes that this volume group resides on.
+
+You can use this along with C<guestfs_pvs> and C<guestfs_pvuuid>
+calls to associate physical volumes and volume groups.
+
+See also C<guestfs_vglvuuids>.");
+
+  ("vglvuuids", (RStringList "uuids", [String "vgname"]), 226, [],
+   [],
+   "get the LV UUIDs of all LVs in the volume group",
+   "\
+Given a VG called C<vgname>, this returns the UUIDs of all
+the logical volumes created in this volume group.
+
+You can use this along with C<guestfs_lvs> and C<guestfs_lvuuid>
+calls to associate logical volumes and volume groups.
+
+See also C<guestfs_vgpvuuids>.");
+
+  ("copy_size", (RErr, [Dev_or_Path "src"; Dev_or_Path "dest"; Int64 "size"]), 227, [],
+   [InitBasicFS, Always, TestOutputBuffer (
+      [["write_file"; "/src"; "hello, world"; "0"];
+       ["copy_size"; "/src"; "/dest"; "5"];
+       ["read_file"; "/dest"]], "hello")],
+   "copy size bytes from source to destination using dd",
+   "\
+This command copies exactly C<size> bytes from one source device
+or file C<src> to another destination device or file C<dest>.
+
+Note this will fail if the source is too short or if the destination
+is not large enough.");
+
+  ("zero_device", (RErr, [Device "device"]), 228, [DangerWillRobinson],
+   [InitBasicFSonLVM, Always, TestRun (
+      [["zero_device"; "/dev/VG/LV"]])],
+   "write zeroes to an entire device",
+   "\
+This command writes zeroes over the entire C<device>.  Compare
+with C<guestfs_zero> which just zeroes the first few blocks of
+a device.");
+
+  ("txz_in", (RErr, [FileIn "tarball"; String "directory"]), 229, [],
+   [InitBasicFS, Always, TestOutput (
+      [["txz_in"; "../images/helloworld.tar.xz"; "/"];
+       ["cat"; "/hello"]], "hello\n")],
+   "unpack compressed tarball to directory",
+   "\
+This command uploads and unpacks local file C<tarball> (an
+I<xz compressed> tar file) into C<directory>.");
+
+  ("txz_out", (RErr, [Pathname "directory"; FileOut "tarball"]), 230, [],
+   [],
+   "pack directory into compressed tarball",
+   "\
+This command packs the contents of C<directory> and downloads
+it to local file C<tarball> (as an xz compressed tar archive).");
+
+  ("ntfsresize", (RErr, [Device "device"]), 231, [Optional "ntfsprogs"],
+   [],
+   "resize an NTFS filesystem",
+   "\
+This command resizes an NTFS filesystem, expanding or
+shrinking it to the size of the underlying device.
+See also L<ntfsresize(8)>.");
+
+  ("vgscan", (RErr, []), 232, [],
+   [InitEmpty, Always, TestRun (
+      [["vgscan"]])],
+   "rescan for LVM physical volumes, volume groups and logical volumes",
+   "\
+This rescans all block devices and rebuilds the list of LVM
+physical volumes, volume groups and logical volumes.");
+
+  ("part_del", (RErr, [Device "device"; Int "partnum"]), 233, [],
+   [InitEmpty, Always, TestRun (
+      [["part_init"; "/dev/sda"; "mbr"];
+       ["part_add"; "/dev/sda"; "primary"; "1"; "-1"];
+       ["part_del"; "/dev/sda"; "1"]])],
+   "delete a partition",
+   "\
+This command deletes the partition numbered C<partnum> on C<device>.
+
+Note that in the case of MBR partitioning, deleting an
+extended partition also deletes any logical partitions
+it contains.");
+
+  ("part_get_bootable", (RBool "bootable", [Device "device"; Int "partnum"]), 234, [],
+   [InitEmpty, Always, TestOutputTrue (
+      [["part_init"; "/dev/sda"; "mbr"];
+       ["part_add"; "/dev/sda"; "primary"; "1"; "-1"];
+       ["part_set_bootable"; "/dev/sda"; "1"; "true"];
+       ["part_get_bootable"; "/dev/sda"; "1"]])],
+   "return true if a partition is bootable",
+   "\
+This command returns true if the partition C<partnum> on
+C<device> has the bootable flag set.
+
+See also C<guestfs_part_set_bootable>.");
+
+  ("part_get_mbr_id", (RInt "idbyte", [Device "device"; Int "partnum"]), 235, [FishOutput FishOutputHexadecimal],
+   [InitEmpty, Always, TestOutputInt (
+      [["part_init"; "/dev/sda"; "mbr"];
+       ["part_add"; "/dev/sda"; "primary"; "1"; "-1"];
+       ["part_set_mbr_id"; "/dev/sda"; "1"; "0x7f"];
+       ["part_get_mbr_id"; "/dev/sda"; "1"]], 0x7f)],
+   "get the MBR type byte (ID byte) from a partition",
+   "\
+Returns the MBR type byte (also known as the ID byte) from
+the numbered partition C<partnum>.
+
+Note that only MBR (old DOS-style) partitions have type bytes.
+You will get undefined results for other partition table
+types (see C<guestfs_part_get_parttype>).");
+
+  ("part_set_mbr_id", (RErr, [Device "device"; Int "partnum"; Int "idbyte"]), 236, [],
+   [], (* tested by part_get_mbr_id *)
+   "set the MBR type byte (ID byte) of a partition",
+   "\
+Sets the MBR type byte (also known as the ID byte) of
+the numbered partition C<partnum> to C<idbyte>.  Note
+that the type bytes quoted in most documentation are
+in fact hexadecimal numbers, but usually documented
+without any leading \"0x\" which might be confusing.
+
+Note that only MBR (old DOS-style) partitions have type bytes.
+You will get undefined results for other partition table
+types (see C<guestfs_part_get_parttype>).");
+
+  ("checksum_device", (RString "checksum", [String "csumtype"; Device "device"]), 237, [],
+   [InitISOFS, Always, TestOutput (
+      [["checksum_device"; "md5"; "/dev/sdd"]],
+      (Digest.to_hex (Digest.file "images/test.iso")))],
+   "compute MD5, SHAx or CRC checksum of the contents of a device",
+   "\
+This call computes the MD5, SHAx or CRC checksum of the
+contents of the device named C<device>.  For the types of
+checksums supported see the C<guestfs_checksum> command.");
+
+  ("lvresize_free", (RErr, [Device "lv"; Int "percent"]), 238, [Optional "lvm2"],
+   [InitNone, Always, TestRun (
+      [["part_disk"; "/dev/sda"; "mbr"];
+       ["pvcreate"; "/dev/sda1"];
+       ["vgcreate"; "VG"; "/dev/sda1"];
+       ["lvcreate"; "LV"; "VG"; "10"];
+       ["lvresize_free"; "/dev/VG/LV"; "100"]])],
+   "expand an LV to fill free space",
+   "\
+This expands an existing logical volume C<lv> so that it fills
+C<pc>% of the remaining free space in the volume group.  Commonly
+you would call this with pc = 100 which expands the logical volume
+as much as possible, using all remaining free space in the volume
+group.");
+
+  ("aug_clear", (RErr, [String "augpath"]), 239, [Optional "augeas"],
+   [], (* XXX Augeas code needs tests. *)
+   "clear Augeas path",
+   "\
+Set the value associated with C<path> to C<NULL>.  This
+is the same as the L<augtool(1)> C<clear> command.");
+
+  ("get_umask", (RInt "mask", []), 240, [FishOutput FishOutputOctal],
+   [InitEmpty, Always, TestOutputInt (
+      [["get_umask"]], 0o22)],
+   "get the current umask",
+   "\
+Return the current umask.  By default the umask is C<022>
+unless it has been set by calling C<guestfs_umask>.");
 
 ]
 
@@ -4577,6 +4898,13 @@ let mapi f xs =
   in
   loop 0 xs
 
+let count_chars c str =
+  let count = ref 0 in
+  for i = 0 to String.length str - 1 do
+    if c = String.unsafe_get str i then incr count
+  done;
+  !count
+
 let name_of_argt = function
   | Pathname n | Device n | Dev_or_Path n | String n | OptString n
   | StringList n | DeviceList n | Bool n | Int n | Int64 n
@@ -4605,8 +4933,7 @@ let seq_of_test = function
 (* Handling for function flags. *)
 let protocol_limit_warning =
   "Because of the message protocol, there is a transfer limit
-of somewhere between 2MB and 4MB.  To transfer large files you should use
-FTP."
+of somewhere between 2MB and 4MB.  See L<guestfs(3)/PROTOCOL LIMITS>."
 
 let danger_will_robinson =
   "B<This command is dangerous.  Without careful use you
@@ -4713,6 +5040,7 @@ let check_functions () =
           "for"; "forall"; "foreign"; "fun"; "function"; "functor"; "goto";
           "hiding"; "if"; "import"; "in"; "include"; "infix"; "infixl";
           "infixr"; "inherit"; "initializer"; "inline"; "instance"; "int";
+          "interface";
           "land"; "lazy"; "let"; "long"; "lor"; "lsl"; "lsr"; "lxor";
           "match"; "mdo"; "method"; "mod"; "module"; "mutable"; "new";
           "newtype"; "object"; "of"; "open"; "or"; "private"; "qualified";
@@ -4808,23 +5136,32 @@ let check_functions () =
 
 (* 'pr' prints to the current output file. *)
 let chan = ref Pervasives.stdout
-let pr fs = ksprintf (output_string !chan) fs
+let lines = ref 0
+let pr fs =
+  ksprintf
+    (fun str ->
+       let i = count_chars '\n' str in
+       lines := !lines + i;
+       output_string !chan str
+    ) fs
 
 let copyright_years =
   let this_year = 1900 + (localtime (time ())).tm_year in
   if this_year > 2009 then sprintf "2009-%04d" this_year else "2009"
 
 (* Generate a header block in a number of standard styles. *)
-type comment_style = CStyle | HashStyle | OCamlStyle | HaskellStyle
+type comment_style =
+    CStyle | CPlusPlusStyle | HashStyle | OCamlStyle | HaskellStyle
 type license = GPLv2plus | LGPLv2plus
 
 let generate_header ?(extra_inputs = []) comment license =
   let inputs = "src/generator.ml" :: extra_inputs in
   let c = match comment with
-    | CStyle ->     pr "/* "; " *"
-    | HashStyle ->  pr "# ";  "#"
-    | OCamlStyle -> pr "(* "; " *"
-    | HaskellStyle -> pr "{- "; "  " in
+    | CStyle ->         pr "/* "; " *"
+    | CPlusPlusStyle -> pr "// "; "//"
+    | HashStyle ->      pr "# ";  "#"
+    | OCamlStyle ->     pr "(* "; " *"
+    | HaskellStyle ->   pr "{- "; "  " in
   pr "libguestfs generated file\n";
   pr "%s WARNING: THIS FILE IS GENERATED FROM:\n" c;
   List.iter (pr "%s   %s\n" c) inputs;
@@ -4865,6 +5202,7 @@ let generate_header ?(extra_inputs = []) comment license =
   );
   (match comment with
    | CStyle -> pr " */\n"
+   | CPlusPlusStyle
    | HashStyle -> ()
    | OCamlStyle -> pr " *)\n"
    | HaskellStyle -> pr "-}\n"
@@ -5103,8 +5441,7 @@ and generate_xdr () =
   (* Having to choose a maximum message size is annoying for several
    * reasons (it limits what we can do in the API), but it (a) makes
    * the protocol a lot simpler, and (b) provides a bound on the size
-   * of the daemon which operates in limited memory space.  For large
-   * file transfers you should use FTP.
+   * of the daemon which operates in limited memory space.
    *)
   pr "const GUESTFS_MESSAGE_MAX = %d;\n" (4 * 1024 * 1024);
   pr "\n";
@@ -5232,6 +5569,7 @@ and generate_client_actions () =
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <string.h>
 #include <inttypes.h>
 
 #include \"guestfs.h\"
@@ -5590,6 +5928,51 @@ and generate_daemon_actions_h () =
         name style;
   ) daemon_functions
 
+(* Generate the linker script which controls the visibility of
+ * symbols in the public ABI and ensures no other symbols get
+ * exported accidentally.
+ *)
+and generate_linker_script () =
+  generate_header HashStyle GPLv2plus;
+
+  let globals = [
+    "guestfs_create";
+    "guestfs_close";
+    "guestfs_get_error_handler";
+    "guestfs_get_out_of_memory_handler";
+    "guestfs_last_error";
+    "guestfs_set_error_handler";
+    "guestfs_set_launch_done_callback";
+    "guestfs_set_log_message_callback";
+    "guestfs_set_out_of_memory_handler";
+    "guestfs_set_subprocess_quit_callback";
+
+    (* Unofficial parts of the API: the bindings code use these
+     * functions, so it is useful to export them.
+     *)
+    "guestfs_safe_calloc";
+    "guestfs_safe_malloc";
+  ] in
+  let functions =
+    List.map (fun (name, _, _, _, _, _, _) -> "guestfs_" ^ name)
+      all_functions in
+  let structs =
+    List.concat (
+      List.map (fun (typ, _) ->
+                  ["guestfs_free_" ^ typ; "guestfs_free_" ^ typ ^ "_list"])
+        structs
+    ) in
+  let globals = List.sort compare (globals @ functions @ structs) in
+
+  pr "{\n";
+  pr "    global:\n";
+  List.iter (pr "        %s;\n") globals;
+  pr "\n";
+
+  pr "    local:\n";
+  pr "        *;\n";
+  pr "};\n"
+
 (* Generate the server-side stubs. *)
 and generate_daemon_actions () =
   generate_header CStyle GPLv2plus;
@@ -5655,7 +6038,7 @@ and generate_daemon_actions () =
            pr "  memset (&args, 0, sizeof args);\n";
            pr "\n";
            pr "  if (!xdr_guestfs_%s_args (xdr_in, &args)) {\n" name;
-           pr "    reply_with_error (\"%%s: daemon failed to decode procedure arguments\", \"%s\");\n" name;
+           pr "    reply_with_error (\"daemon failed to decode procedure arguments\");\n";
            pr "    return;\n";
            pr "  }\n";
            let pr_args n =
@@ -5925,7 +6308,7 @@ and generate_daemon_actions () =
         pr "  ret->guestfs_int_lvm_%s_list_val = NULL;\n" typ;
         pr "\n";
         pr "  r = command (&out, &err,\n";
-        pr "	       \"/sbin/lvm\", \"%ss\",\n" typ;
+        pr "	       \"lvm\", \"%ss\",\n" typ;
         pr "	       \"-o\", lvm_%s_cols, \"--unbuffered\", \"--noheadings\",\n" typ;
         pr "	       \"--nosuffix\", \"--separator\", \",\", \"--units\", \"b\", NULL);\n";
         pr "  if (r == -1) {\n";
@@ -6230,14 +6613,14 @@ int main (int argc, char *argv[])
     exit (EXIT_FAILURE);
   }
 
+  /* Set a timeout in case qemu hangs during launch (RHBZ#505329). */
+  alarm (600);
+
   if (guestfs_launch (g) == -1) {
     printf (\"guestfs_launch FAILED\\n\");
     exit (EXIT_FAILURE);
   }
 
-  /* Set a timeout in case qemu hangs during launch (RHBZ#505329). */
-  alarm (600);
-
   /* Cancel previous alarm. */
   alarm (0);
 
@@ -6385,7 +6768,7 @@ and generate_one_test_body name i test_name init test =
           ["lvm_remove_all"];
           ["part_disk"; "/dev/sda"; "mbr"];
           ["mkfs"; "ext2"; "/dev/sda1"];
-          ["mount"; "/dev/sda1"; "/"]]
+          ["mount_options"; ""; "/dev/sda1"; "/"]]
    | InitBasicFSonLVM ->
        pr "  /* InitBasicFSonLVM for %s: create ext2 on /dev/VG/LV */\n"
          test_name;
@@ -6398,7 +6781,7 @@ and generate_one_test_body name i test_name init test =
           ["vgcreate"; "VG"; "/dev/sda1"];
           ["lvcreate"; "LV"; "VG"; "8"];
           ["mkfs"; "ext2"; "/dev/VG/LV"];
-          ["mount"; "/dev/VG/LV"; "/"]]
+          ["mount_options"; ""; "/dev/VG/LV"; "/"]]
    | InitISOFS ->
        pr "  /* InitISOFS for %s */\n" test_name;
        List.iter (generate_test_command_call test_name)
@@ -6665,7 +7048,7 @@ and generate_test_command_call ?(expect_error = false) ?test test_name cmd =
         | Bool _, _
         | FileIn _, _ | FileOut _, _ -> ()
         | StringList n, "" | DeviceList n, "" ->
-	    pr "    const char *const %s[1] = { NULL };\n" n
+            pr "    const char *const %s[1] = { NULL };\n" n
         | StringList n, arg | DeviceList n, arg ->
             let strs = string_split " " arg in
             iteri (
@@ -6787,6 +7170,8 @@ and generate_fish_cmds () =
       fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
     ) all_functions_sorted in
 
+  pr "#include <config.h>\n";
+  pr "\n";
   pr "#include <stdio.h>\n";
   pr "#include <stdlib.h>\n";
   pr "#include <string.h>\n";
@@ -6794,6 +7179,8 @@ and generate_fish_cmds () =
   pr "\n";
   pr "#include <guestfs.h>\n";
   pr "#include \"c-ctype.h\"\n";
+  pr "#include \"full-write.h\"\n";
+  pr "#include \"xstrtol.h\"\n";
   pr "#include \"fish.h\"\n";
   pr "\n";
 
@@ -7005,6 +7392,34 @@ and generate_fish_cmds () =
       pr "    fprintf (stderr, _(\"type 'help %%s' for help on %%s\\n\"), cmd, cmd);\n";
       pr "    return -1;\n";
       pr "  }\n";
+
+      let parse_integer fn fntyp rtyp range name i =
+        pr "  {\n";
+        pr "    strtol_error xerr;\n";
+        pr "    %s r;\n" fntyp;
+        pr "\n";
+        pr "    xerr = %s (argv[%d], NULL, 0, &r, \"\");\n" fn i;
+        pr "    if (xerr != LONGINT_OK) {\n";
+        pr "      fprintf (stderr,\n";
+        pr "               _(\"%%s: %%s: invalid integer parameter (%%s returned %%d)\\n\"),\n";
+        pr "               cmd, \"%s\", \"%s\", xerr);\n" name fn;
+        pr "      return -1;\n";
+        pr "    }\n";
+        (match range with
+         | None -> ()
+         | Some (min, max, comment) ->
+             pr "    /* %s */\n" comment;
+             pr "    if (r < %s || r > %s) {\n" min max;
+             pr "      fprintf (stderr, _(\"%%s: %%s: integer out of range\\n\"), cmd, \"%s\");\n"
+               name;
+             pr "      return -1;\n";
+             pr "    }\n";
+             pr "    /* The check above should ensure this assignment does not overflow. */\n";
+        );
+        pr "    %s = r;\n" name;
+        pr "  }\n";
+      in
+
       iteri (
         fun i ->
           function
@@ -7030,9 +7445,15 @@ and generate_fish_cmds () =
           | Bool name ->
               pr "  %s = is_true (argv[%d]) ? 1 : 0;\n" name i
           | Int name ->
-              pr "  %s = atoi (argv[%d]);\n" name i
+              let range =
+                let min = "(-(2LL<<30))"
+                and max = "((2LL<<30)-1)"
+                and comment =
+                  "The Int type in the generator is a signed 31 bit int." in
+                Some (min, max, comment) in
+              parse_integer "xstrtoll" "long long" "int" range name i
           | Int64 name ->
-              pr "  %s = atoll (argv[%d]);\n" name i
+              parse_integer "xstrtoll" "long long" "int64_t" None name i
       ) (snd style);
 
       (* Call C API function. *)
@@ -7054,16 +7475,39 @@ and generate_fish_cmds () =
             pr "  free_strings (%s);\n" name
       ) (snd style);
 
+      (* Any output flags? *)
+      let fish_output =
+        let flags = filter_map (
+          function FishOutput flag -> Some flag | _ -> None
+        ) flags in
+        match flags with
+        | [] -> None
+        | [f] -> Some f
+        | _ ->
+            failwithf "%s: more than one FishOutput flag is not allowed" name in
+
       (* Check return value for errors and display command results. *)
       (match fst style with
        | RErr -> pr "  return r;\n"
        | RInt _ ->
            pr "  if (r == -1) return -1;\n";
-           pr "  printf (\"%%d\\n\", r);\n";
+           (match fish_output with
+            | None ->
+                pr "  printf (\"%%d\\n\", r);\n";
+            | Some FishOutputOctal ->
+                pr "  printf (\"%%s%%o\\n\", r != 0 ? \"0\" : \"\", r);\n";
+            | Some FishOutputHexadecimal ->
+                pr "  printf (\"%%s%%x\\n\", r != 0 ? \"0x\" : \"\", r);\n");
            pr "  return 0;\n"
        | RInt64 _ ->
            pr "  if (r == -1) return -1;\n";
-           pr "  printf (\"%%\" PRIi64 \"\\n\", r);\n";
+           (match fish_output with
+            | None ->
+                pr "  printf (\"%%\" PRIi64 \"\\n\", r);\n";
+            | Some FishOutputOctal ->
+                pr "  printf (\"%%s%%\" PRIo64 \"\\n\", r != 0 ? \"0\" : \"\", r);\n";
+            | Some FishOutputHexadecimal ->
+                pr "  printf (\"%%s%%\" PRIx64 \"\\n\", r != 0 ? \"0x\" : \"\", r);\n");
            pr "  return 0;\n"
        | RBool _ ->
            pr "  if (r == -1) return -1;\n";
@@ -7103,7 +7547,11 @@ and generate_fish_cmds () =
            pr "  return 0;\n"
        | RBufferOut _ ->
            pr "  if (r == NULL) return -1;\n";
-           pr "  fwrite (r, size, 1, stdout);\n";
+           pr "  if (full_write (1, r, size) != size) {\n";
+           pr "    perror (\"write\");\n";
+           pr "    free (r);\n";
+           pr "    return -1;\n";
+           pr "  }\n";
            pr "  free (r);\n";
            pr "  return 0;\n"
       );
@@ -7132,6 +7580,8 @@ and generate_fish_cmds () =
   ) all_functions;
   pr "    {\n";
   pr "      fprintf (stderr, _(\"%%s: unknown command\\n\"), cmd);\n";
+  pr "      if (command_num == 1)\n";
+  pr "        extended_help_message ();\n";
   pr "      return -1;\n";
   pr "    }\n";
   pr "  return 0;\n";
@@ -7210,7 +7660,16 @@ generator (const char *text, int state)
 
 #endif /* HAVE_LIBREADLINE */
 
-char **do_completion (const char *text, int start, int end)
+#ifdef HAVE_RL_COMPLETION_MATCHES
+#define RL_COMPLETION_MATCHES rl_completion_matches
+#else
+#ifdef HAVE_COMPLETION_MATCHES
+#define RL_COMPLETION_MATCHES completion_matches
+#endif
+#endif /* else just fail if we don't have either symbol */
+
+char **
+do_completion (const char *text, int start, int end)
 {
   char **matches = NULL;
 
@@ -7218,9 +7677,9 @@ char **do_completion (const char *text, int start, int end)
   rl_completion_append_character = ' ';
 
   if (start == 0)
-    matches = rl_completion_matches (text, generator);
+    matches = RL_COMPLETION_MATCHES (text, generator);
   else if (complete_dest_paths)
-    matches = rl_completion_matches (text, complete_dest_paths_generator);
+    matches = RL_COMPLETION_MATCHES (text, complete_dest_paths_generator);
 #endif
 
   return matches;
@@ -7952,7 +8411,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (r == -1)\n";
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
        | RInt n
        | RBool n ->
            pr "PREINIT:\n";
@@ -7963,7 +8422,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == -1)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
            pr "      RETVAL = newSViv (%s);\n" n;
            pr " OUTPUT:\n";
            pr "      RETVAL\n"
@@ -7976,7 +8435,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == -1)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
            pr "      RETVAL = my_newSVll (%s);\n" n;
            pr " OUTPUT:\n";
            pr "      RETVAL\n"
@@ -7989,7 +8448,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == NULL)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
            pr "      RETVAL = newSVpv (%s, 0);\n" n;
            pr " OUTPUT:\n";
            pr "      RETVAL\n"
@@ -8016,7 +8475,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == NULL)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
            pr "      RETVAL = newSVpv (%s, 0);\n" n;
            pr "      free (%s);\n" n;
            pr " OUTPUT:\n";
@@ -8031,7 +8490,7 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == NULL)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
            pr "      for (n = 0; %s[n] != NULL; ++n) /**/;\n" n;
            pr "      EXTEND (SP, n);\n";
            pr "      for (i = 0; i < n; ++i) {\n";
@@ -8055,8 +8514,8 @@ DESTROY (g)
            pr ";\n";
            do_cleanups ();
            pr "      if (%s == NULL)\n" n;
-           pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
-           pr "      RETVAL = newSVpv (%s, size);\n" n;
+           pr "        croak (\"%%s\", guestfs_last_error (g));\n";
+           pr "      RETVAL = newSVpvn (%s, size);\n" n;
            pr "      free (%s);\n" n;
            pr " OUTPUT:\n";
            pr "      RETVAL\n"
@@ -8076,7 +8535,7 @@ and generate_perl_struct_list_code typ cols name style n do_cleanups =
   pr ";\n";
   do_cleanups ();
   pr "      if (%s == NULL)\n" n;
-  pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+  pr "        croak (\"%%s\", guestfs_last_error (g));\n";
   pr "      EXTEND (SP, %s->len);\n" n;
   pr "      for (i = 0; i < %s->len; ++i) {\n" n;
   pr "        hv = newHV ();\n";
@@ -8089,7 +8548,7 @@ and generate_perl_struct_list_code typ cols name style n do_cleanups =
         pr "        (void) hv_store (hv, \"%s\", %d, newSVpv (%s->val[i].%s, 32), 0);\n"
           name (String.length name) n name
     | name, FBuffer ->
-        pr "        (void) hv_store (hv, \"%s\", %d, newSVpv (%s->val[i].%s, %s->val[i].%s_len), 0);\n"
+        pr "        (void) hv_store (hv, \"%s\", %d, newSVpvn (%s->val[i].%s, %s->val[i].%s_len), 0);\n"
           name (String.length name) n name n name
     | name, (FBytes|FUInt64) ->
         pr "        (void) hv_store (hv, \"%s\", %d, my_newSVull (%s->val[i].%s), 0);\n"
@@ -8120,7 +8579,7 @@ and generate_perl_struct_code typ cols name style n do_cleanups =
   pr ";\n";
   do_cleanups ();
   pr "      if (%s == NULL)\n" n;
-  pr "        croak (\"%s: %%s\", guestfs_last_error (g));\n" name;
+  pr "        croak (\"%%s\", guestfs_last_error (g));\n";
   pr "      EXTEND (SP, 2 * %d);\n" (List.length cols);
   List.iter (
     fun ((name, _) as col) ->
@@ -8131,7 +8590,7 @@ and generate_perl_struct_code typ cols name style n do_cleanups =
           pr "      PUSHs (sv_2mortal (newSVpv (%s->%s, 0)));\n"
             n name
       | name, FBuffer ->
-          pr "      PUSHs (sv_2mortal (newSVpv (%s->%s, %s->%s_len)));\n"
+          pr "      PUSHs (sv_2mortal (newSVpvn (%s->%s, %s->%s_len)));\n"
             n name n name
       | name, FUUID ->
           pr "      PUSHs (sv_2mortal (newSVpv (%s->%s, 32)));\n"
@@ -8196,7 +8655,8 @@ schemes, qcow, qcow2, vmdk.
 
 Libguestfs provides ways to enumerate guest storage (eg. partitions,
 LVs, what filesystem is in each LV, etc.).  It can also run commands
-in the context of the guest.  Also you can access filesystems over FTP.
+in the context of the guest.  Also you can access filesystems over
+FUSE.
 
 See also L<Sys::Guestfs::Lib(3)> for a set of useful library
 functions for using libguestfs from Perl, including integration
@@ -8733,7 +9193,8 @@ schemes, qcow, qcow2, vmdk.
 
 Libguestfs provides ways to enumerate guest storage (eg. partitions,
 LVs, what filesystem is in each LV, etc.).  It can also run commands
-in the context of the guest.  Also you can access filesystems over FTP.
+in the context of the guest.  Also you can access filesystems over
+FUSE.
 
 Errors which happen while using the API are turned into Python
 RuntimeError exceptions.
@@ -9918,6 +10379,241 @@ and generate_haskell_prototype ~handle ?(hs = false) style =
   );
   pr ")"
 
+and generate_csharp () =
+  generate_header CPlusPlusStyle LGPLv2plus;
+
+  (* XXX Make this configurable by the C# assembly users. *)
+  let library = "libguestfs.so.0" in
+
+  pr "\
+// These C# bindings are highly experimental at present.
+//
+// Firstly they only work on Linux (ie. Mono).  In order to get them
+// to work on Windows (ie. .Net) you would need to port the library
+// itself to Windows first.
+//
+// The second issue is that some calls are known to be incorrect and
+// can cause Mono to segfault.  Particularly: calls which pass or
+// return string[], or return any structure value.  This is because
+// we haven't worked out the correct way to do this from C#.
+//
+// The third issue is that when compiling you get a lot of warnings.
+// We are not sure whether the warnings are important or not.
+//
+// Fourthly we do not routinely build or test these bindings as part
+// of the make && make check cycle, which means that regressions might
+// go unnoticed.
+//
+// Suggestions and patches are welcome.
+
+// To compile:
+//
+// gmcs Libguestfs.cs
+// mono Libguestfs.exe
+//
+// (You'll probably want to add a Test class / static main function
+// otherwise this won't do anything useful).
+
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+using System.Collections;
+
+namespace Guestfs
+{
+  class Error : System.ApplicationException
+  {
+    public Error (string message) : base (message) {}
+    protected Error (SerializationInfo info, StreamingContext context) {}
+  }
+
+  class Guestfs
+  {
+    IntPtr _handle;
+
+    [DllImport (\"%s\")]
+    static extern IntPtr guestfs_create ();
+
+    public Guestfs ()
+    {
+      _handle = guestfs_create ();
+      if (_handle == IntPtr.Zero)
+        throw new Error (\"could not create guestfs handle\");
+    }
+
+    [DllImport (\"%s\")]
+    static extern void guestfs_close (IntPtr h);
+
+    ~Guestfs ()
+    {
+      guestfs_close (_handle);
+    }
+
+    [DllImport (\"%s\")]
+    static extern string guestfs_last_error (IntPtr h);
+
+" library library library;
+
+  (* Generate C# structure bindings.  We prefix struct names with
+   * underscore because C# cannot have conflicting struct names and
+   * method names (eg. "class stat" and "stat").
+   *)
+  List.iter (
+    fun (typ, cols) ->
+      pr "    [StructLayout (LayoutKind.Sequential)]\n";
+      pr "    public class _%s {\n" typ;
+      List.iter (
+        function
+        | name, FChar -> pr "      char %s;\n" name
+        | name, FString -> pr "      string %s;\n" name
+        | name, FBuffer ->
+            pr "      uint %s_len;\n" name;
+            pr "      string %s;\n" name
+        | name, FUUID ->
+            pr "      [MarshalAs (UnmanagedType.ByValTStr, SizeConst=16)]\n";
+            pr "      string %s;\n" name
+        | name, FUInt32 -> pr "      uint %s;\n" name
+        | name, FInt32 -> pr "      int %s;\n" name
+        | name, (FUInt64|FBytes) -> pr "      ulong %s;\n" name
+        | name, FInt64 -> pr "      long %s;\n" name
+        | name, FOptPercent -> pr "      float %s; /* [0..100] or -1 */\n" name
+      ) cols;
+      pr "    }\n";
+      pr "\n"
+  ) structs;
+
+  (* Generate C# function bindings. *)
+  List.iter (
+    fun (name, style, _, _, _, shortdesc, _) ->
+      let rec csharp_return_type () =
+        match fst style with
+        | RErr -> "void"
+        | RBool n -> "bool"
+        | RInt n -> "int"
+        | RInt64 n -> "long"
+        | RConstString n
+        | RConstOptString n
+        | RString n
+        | RBufferOut n -> "string"
+        | RStruct (_,n) -> "_" ^ n
+        | RHashtable n -> "Hashtable"
+        | RStringList n -> "string[]"
+        | RStructList (_,n) -> sprintf "_%s[]" n
+
+      and c_return_type () =
+        match fst style with
+        | RErr
+        | RBool _
+        | RInt _ -> "int"
+        | RInt64 _ -> "long"
+        | RConstString _
+        | RConstOptString _
+        | RString _
+        | RBufferOut _ -> "string"
+        | RStruct (_,n) -> "_" ^ n
+        | RHashtable _
+        | RStringList _ -> "string[]"
+        | RStructList (_,n) -> sprintf "_%s[]" n
+
+      and c_error_comparison () =
+        match fst style with
+        | RErr
+        | RBool _
+        | RInt _
+        | RInt64 _ -> "== -1"
+        | RConstString _
+        | RConstOptString _
+        | RString _
+        | RBufferOut _
+        | RStruct (_,_)
+        | RHashtable _
+        | RStringList _
+        | RStructList (_,_) -> "== null"
+
+      and generate_extern_prototype () =
+        pr "    static extern %s guestfs_%s (IntPtr h"
+          (c_return_type ()) name;
+        List.iter (
+          function
+          | Pathname n | Device n | Dev_or_Path n | String n | OptString n
+          | FileIn n | FileOut n ->
+              pr ", [In] string %s" n
+          | StringList n | DeviceList n ->
+              pr ", [In] string[] %s" n
+          | Bool n ->
+              pr ", bool %s" n
+          | Int n ->
+              pr ", int %s" n
+          | Int64 n ->
+              pr ", long %s" n
+        ) (snd style);
+        pr ");\n"
+
+      and generate_public_prototype () =
+        pr "    public %s %s (" (csharp_return_type ()) name;
+        let comma = ref false in
+        let next () =
+          if !comma then pr ", ";
+          comma := true
+        in
+        List.iter (
+          function
+          | Pathname n | Device n | Dev_or_Path n | String n | OptString n
+          | FileIn n | FileOut n ->
+              next (); pr "string %s" n
+          | StringList n | DeviceList n ->
+              next (); pr "string[] %s" n
+          | Bool n ->
+              next (); pr "bool %s" n
+          | Int n ->
+              next (); pr "int %s" n
+          | Int64 n ->
+              next (); pr "long %s" n
+        ) (snd style);
+        pr ")\n"
+
+      and generate_call () =
+        pr "guestfs_%s (_handle" name;
+        List.iter (fun arg -> pr ", %s" (name_of_argt arg)) (snd style);
+        pr ");\n";
+      in
+
+      pr "    [DllImport (\"%s\")]\n" library;
+      generate_extern_prototype ();
+      pr "\n";
+      pr "    /// <summary>\n";
+      pr "    /// %s\n" shortdesc;
+      pr "    /// </summary>\n";
+      generate_public_prototype ();
+      pr "    {\n";
+      pr "      %s r;\n" (c_return_type ());
+      pr "      r = ";
+      generate_call ();
+      pr "      if (r %s)\n" (c_error_comparison ());
+      pr "        throw new Error (guestfs_last_error (_handle));\n";
+      (match fst style with
+       | RErr -> ()
+       | RBool _ ->
+           pr "      return r != 0 ? true : false;\n"
+       | RHashtable _ ->
+           pr "      Hashtable rr = new Hashtable ();\n";
+           pr "      for (int i = 0; i < r.Length; i += 2)\n";
+           pr "        rr.Add (r[i], r[i+1]);\n";
+           pr "      return rr;\n"
+       | RInt _ | RInt64 _ | RConstString _ | RConstOptString _
+       | RString _ | RBufferOut _ | RStruct _ | RStringList _
+       | RStructList _ ->
+           pr "      return r;\n"
+      );
+      pr "    }\n";
+      pr "\n";
+  ) all_functions_sorted;
+
+  pr "  }
+}
+"
+
 and generate_bindtests () =
   generate_header CStyle LGPLv2plus;
 
@@ -10883,19 +11579,21 @@ Run it from the top source directory using the command
   output_to "src/guestfs-actions.h" generate_actions_h;
   output_to "src/guestfs-internal-actions.h" generate_internal_actions_h;
   output_to "src/guestfs-actions.c" generate_client_actions;
+  output_to "src/guestfs-bindtests.c" generate_bindtests;
+  output_to "src/guestfs-structs.pod" generate_structs_pod;
+  output_to "src/guestfs-actions.pod" generate_actions_pod;
+  output_to "src/guestfs-availability.pod" generate_availability_pod;
+  output_to "src/MAX_PROC_NR" generate_max_proc_nr;
+  output_to "src/libguestfs.syms" generate_linker_script;
   output_to "daemon/actions.h" generate_daemon_actions_h;
   output_to "daemon/stubs.c" generate_daemon_actions;
   output_to "daemon/names.c" generate_daemon_names;
   output_to "daemon/optgroups.c" generate_daemon_optgroups_c;
   output_to "daemon/optgroups.h" generate_daemon_optgroups_h;
   output_to "capitests/tests.c" generate_tests;
-  output_to "src/guestfs-bindtests.c" generate_bindtests;
   output_to "fish/cmds.c" generate_fish_cmds;
   output_to "fish/completion.c" generate_fish_completion;
-  output_to "guestfs-structs.pod" generate_structs_pod;
-  output_to "guestfs-actions.pod" generate_actions_pod;
-  output_to "guestfs-availability.pod" generate_availability_pod;
-  output_to "guestfish-actions.pod" generate_fish_actions_pod;
+  output_to "fish/guestfish-actions.pod" generate_fish_actions_pod;
   output_to "ocaml/guestfs.mli" generate_ocaml_mli;
   output_to "ocaml/guestfs.ml" generate_ocaml_ml;
   output_to "ocaml/guestfs_c_actions.c" generate_ocaml_c;
@@ -10924,11 +11622,13 @@ Run it from the top source directory using the command
   output_to "java/Bindtests.java" generate_java_bindtests;
   output_to "haskell/Guestfs.hs" generate_haskell_hs;
   output_to "haskell/Bindtests.hs" generate_haskell_bindtests;
-  output_to "src/MAX_PROC_NR" generate_max_proc_nr;
+  output_to "csharp/Libguestfs.cs" generate_csharp;
 
   (* Always generate this file last, and unconditionally.  It's used
    * by the Makefile to know when we must re-run the generator.
    *)
   let chan = open_out "src/stamp-generator" in
   fprintf chan "1\n";
-  close_out chan
+  close_out chan;
+
+  printf "generated %d lines of code\n" !lines