X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fgudev%2Fgudevdevice.c;h=2c768b7db7455dc16712ce6b45aa525ac5a1356f;hb=127dc4ea9487397b1ab70447e2f44d091e44ab5f;hp=62a26f99b7e639010aca4f1e4e35cf5510a6ff4b;hpb=6997e3b2dc0095985071e2f7496342a850cdb5ad;p=elogind.git

diff --git a/src/gudev/gudevdevice.c b/src/gudev/gudevdevice.c
index 62a26f99b..2c768b7db 100644
--- a/src/gudev/gudevdevice.c
+++ b/src/gudev/gudevdevice.c
@@ -3,20 +3,18 @@
  * Copyright (C) 2008 David Zeuthen <davidz@redhat.com>
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
+ * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Library General Public License for more details.
  *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #ifdef HAVE_CONFIG_H
@@ -61,6 +59,8 @@
  * g_udev_device_get_property_as_strv().
  *
  * To access sysfs attributes for the device, use
+ * g_udev_device_get_sysfs_attr_keys(),
+ * g_udev_device_has_sysfs_attr(),
  * g_udev_device_get_sysfs_attr(),
  * g_udev_device_get_sysfs_attr_as_int(),
  * g_udev_device_get_sysfs_attr_as_uint64(),
@@ -86,6 +86,7 @@ struct _GUdevDevicePrivate
   /* computed ondemand and cached */
   gchar **device_file_symlinks;
   gchar **property_keys;
+  gchar **sysfs_attr_keys;
   gchar **tags;
   GHashTable *prop_strvs;
   GHashTable *sysfs_attr_strvs;
@@ -100,6 +101,7 @@ g_udev_device_finalize (GObject *object)
 
   g_strfreev (device->priv->device_file_symlinks);
   g_strfreev (device->priv->property_keys);
+  g_strfreev (device->priv->sysfs_attr_keys);
   g_strfreev (device->priv->tags);
 
   if (device->priv->udevice != NULL)
@@ -700,6 +702,55 @@ out:
 
 /* ---------------------------------------------------------------------------------------------------- */
 
+/**
+ * g_udev_device_get_sysfs_attr_keys:
+ * @device: A #GUdevDevice.
+ *
+ * Gets all keys for sysfs attributes on @device.
+ *
+ * Returns: (transfer none) (array zero-terminated=1) (element-type utf8): A %NULL terminated string array of sysfs attribute keys. This array is owned by @device and should not be freed by the caller.
+ */
+const gchar * const *
+g_udev_device_get_sysfs_attr_keys (GUdevDevice *device)
+{
+  struct udev_list_entry *l;
+  GPtrArray *p;
+
+  g_return_val_if_fail (G_UDEV_IS_DEVICE (device), NULL);
+
+  if (device->priv->sysfs_attr_keys != NULL)
+    goto out;
+
+  p = g_ptr_array_new ();
+  for (l = udev_device_get_sysattr_list_entry (device->priv->udevice); l != NULL; l = udev_list_entry_get_next (l))
+    {
+      g_ptr_array_add (p, g_strdup (udev_list_entry_get_name (l)));
+    }
+  g_ptr_array_add (p, NULL);
+  device->priv->sysfs_attr_keys = (gchar **) g_ptr_array_free (p, FALSE);
+
+ out:
+  return (const gchar * const *) device->priv->sysfs_attr_keys;
+}
+
+/**
+ * g_udev_device_has_sysfs_attr:
+ * @device: A #GUdevDevice.
+ * @key: Name of sysfs attribute.
+ *
+ * Check if a the sysfs attribute with the given key exists.
+ *
+ * Returns: %TRUE only if the value for @key exist.
+ */
+gboolean
+g_udev_device_has_sysfs_attr (GUdevDevice  *device,
+                            const gchar  *key)
+{
+  g_return_val_if_fail (G_UDEV_IS_DEVICE (device), FALSE);
+  g_return_val_if_fail (key != NULL, FALSE);
+  return udev_device_get_sysattr_value (device->priv->udevice, key) != NULL;
+}
+
 /**
  * g_udev_device_get_sysfs_attr:
  * @device: A #GUdevDevice.