Add 'append', LIBGUESTFS_APPEND to set additional kernel options.

2 files changed, 80 insertions, 0 deletions

diff --git a/java/com/redhat/et/libguestfs/GuestFS.java b/java/com/redhat/et/libguestfs/GuestFS.java
index 70efb8d0..d0b34465 100644
--- a/java/com/redhat/et/libguestfs/GuestFS.java
+++ b/java/com/redhat/et/libguestfs/GuestFS.java
@@ -316,6 +316,54 @@ public class GuestFS {
     throws LibGuestFSException;
 
   /**
+   * add options to kernel command line
+   *
+   * This function is used to add additional options to the
+   * guest kernel command line.
+   * 
+   * The default is "NULL" unless overridden by setting
+   * "LIBGUESTFS_APPEND" environment variable.
+   * 
+   * The string "append" is stashed in the libguestfs handle,
+   * so the caller must make sure it remains valid for the
+   * lifetime of the handle.
+   * 
+   * Setting "append" to "NULL" means *no* additional options
+   * are passed (libguestfs always adds a few of its own).
+   * 
+   * @throws LibGuestFSException
+   */
+  public void set_append (String append)
+    throws LibGuestFSException
+  {
+    if (g == 0)
+      throw new LibGuestFSException ("set_append: handle is closed");
+    _set_append (g, append);
+  }
+  private native void _set_append (long g, String append)
+    throws LibGuestFSException;
+
+  /**
+   * get the additional kernel options
+   *
+   * Return the additional kernel options which are added to
+   * the guest kernel command line.
+   * 
+   * If "NULL" then no options are added.
+   * 
+   * @throws LibGuestFSException
+   */
+  public String get_append ()
+    throws LibGuestFSException
+  {
+    if (g == 0)
+      throw new LibGuestFSException ("get_append: handle is closed");
+    return _get_append (g);
+  }
+  private native String _get_append (long g)
+    throws LibGuestFSException;
+
+  /**
    * set autosync mode
    *
    * If "autosync" is true, this enables autosync. Libguestfs
diff --git a/java/com_redhat_et_libguestfs_GuestFS.c b/java/com_redhat_et_libguestfs_GuestFS.c
index 2ad4c6ab..ce1f2dbf 100644
--- a/java/com_redhat_et_libguestfs_GuestFS.c
+++ b/java/com_redhat_et_libguestfs_GuestFS.c
@@ -222,6 +222,38 @@ Java_com_redhat_et_libguestfs_GuestFS__1get_1path
 }
 
 JNIEXPORT void JNICALL
+Java_com_redhat_et_libguestfs_GuestFS__1set_1append
+  (JNIEnv *env, jobject obj, jlong jg, jstring jappend)
+{
+  guestfs_h *g = (guestfs_h *) (long) jg;
+  int r;
+  const char *append;
+
+  append = (*env)->GetStringUTFChars (env, jappend, NULL);
+  r = guestfs_set_append (g, append);
+  (*env)->ReleaseStringUTFChars (env, jappend, append);
+  if (r == -1) {
+    throw_exception (env, guestfs_last_error (g));
+    return ;
+  }
+}
+
+JNIEXPORT jstring JNICALL
+Java_com_redhat_et_libguestfs_GuestFS__1get_1append
+  (JNIEnv *env, jobject obj, jlong jg)
+{
+  guestfs_h *g = (guestfs_h *) (long) jg;
+  const char *r;
+
+  r = guestfs_get_append (g);
+  if (r == NULL) {
+    throw_exception (env, guestfs_last_error (g));
+    return NULL;
+  }
+  return (*env)->NewStringUTF (env, r);
+}
+
+JNIEXPORT void JNICALL
 Java_com_redhat_et_libguestfs_GuestFS__1set_1autosync
   (JNIEnv *env, jobject obj, jlong jg, jboolean jautosync)
 {