Don't stash strings in the handle.

[libguestfs.git] / perl / lib / Sys / Guestfs.pm

diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm
index 001fa88..13c084f 100644 (file)
--- a/perl/lib/Sys/Guestfs.pm
+++ b/perl/lib/Sys/Guestfs.pm
@@ -561,6 +561,13 @@ Checking or repairing NTFS volumes is not supported
 
 This command is entirely equivalent to running C<fsck -a -t fstype device>.
 
+=item $append = $h->get_append ();
+
+Return the additional kernel options which are added to the
+guest kernel command line.
+
+If C<NULL> then no options are added.
+
 =item $autosync = $h->get_autosync ();
 
 Get the autosync flag.
@@ -874,6 +881,17 @@ command.
 
 Remove the single directory C<path>.
 
+=item $h->set_append ($append);
+
+This function is used to add additional options to the
+guest kernel command line.
+
+The default is C<NULL> unless overridden by setting
+C<LIBGUESTFS_APPEND> environment variable.
+
+Setting C<append> to C<NULL> means I<no> additional options
+are passed (libguestfs always adds a few of its own).
+
 =item $h->set_autosync ($autosync);
 
 If C<autosync> is true, this enables autosync.  Libguestfs will make a
@@ -917,9 +935,6 @@ Set the path that libguestfs searches for kernel and initrd.img.
 The default is C<$libdir/guestfs> unless overridden by setting
 C<LIBGUESTFS_PATH> environment variable.
 
-The string C<path> is stashed in the libguestfs handle, so the caller
-must make sure it remains valid for the lifetime of the handle.
-
 Setting C<path> to C<NULL> restores the default path.
 
 =item $h->set_qemu ($qemu);
@@ -932,9 +947,6 @@ configure script.
 You can also override this by setting the C<LIBGUESTFS_QEMU>
 environment variable.
 
-The string C<qemu> is stashed in the libguestfs handle, so the caller
-must make sure it remains valid for the lifetime of the handle.
-
 Setting C<qemu> to C<NULL> restores the default qemu binary.
 
 =item $h->set_ready ();