"\
This command reads the target of a symbolic link.");
- ("fallocate", (RErr, [Pathname "path"; Int "len"]), 169, [],
+ ("fallocate", (RErr, [Pathname "path"; Int "len"]), 169, [DeprecatedBy "fallocate64"],
[InitBasicFS, Always, TestOutputStruct (
[["fallocate"; "/a"; "1000000"];
["stat"; "/a"]], [CompareWithInt ("size", 1_000_000)])],
)],
"echo arguments back to the client",
"\
-This command concatenate the list of C<words> passed with single spaces between
-them and returns the resulting string.
+This command concatenates the list of C<words> passed with single spaces
+between them and returns the resulting string.
You can use this command to test the connection through to the daemon.
The libguestfs groups, and the functions that those
groups correspond to, are listed in L<guestfs(3)/AVAILABILITY>.
+You can also fetch this list at runtime by calling
+C<guestfs_available_all_groups>.
The argument C<groups> is a list of group names, eg:
C<[\"inotify\", \"augeas\"]> would check for the availability of
This command is the same as C<guestfs_ntfsresize> except that it
allows you to specify the new size (in bytes) explicitly.");
+ ("available_all_groups", (RStringList "groups", []), 251, [],
+ [InitNone, Always, TestRun [["available_all_groups"]]],
+ "return a list of all optional groups",
+ "\
+This command returns a list of all optional groups that this
+daemon knows about. Note this returns both supported and unsupported
+groups. To find out which ones the daemon can actually support
+you have to call C<guestfs_available> on each member of the
+returned list.
+
+See also C<guestfs_available> and L<guestfs(3)/AVAILABILITY>.");
+
+ ("fallocate64", (RErr, [Pathname "path"; Int64 "len"]), 252, [],
+ [InitBasicFS, Always, TestOutputStruct (
+ [["fallocate64"; "/a"; "1000000"];
+ ["stat"; "/a"]], [CompareWithInt ("size", 1_000_000)])],
+ "preallocate a file in the guest filesystem",
+ "\
+This command preallocates a file (containing zero bytes) named
+C<path> of size C<len> bytes. If the file exists already, it
+is overwritten.
+
+Note that this call allocates disk blocks for the file.
+To create a sparse file use C<guestfs_truncate_size> instead.
+
+The deprecated call C<guestfs_fallocate> does the same,
+but owing to an oversight it only allowed 30 bit lengths
+to be specified, effectively limiting the maximum size
+of files created through that call to 1GB.
+
+Do not confuse this with the guestfish-specific
+C<alloc> and C<sparse> commands which create
+a file in the host and attach it as a device.");
+
]
let all_functions = non_daemon_functions @ daemon_functions