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authorAndreas Fuchs <anduchs@gmail.com>2014-02-22 12:02:35 +0100
committerKay Sievers <kay@vrfy.org>2014-02-22 18:48:01 +0100
commitfcc70b92f44788e89252011a4c87151961fd8999 (patch)
tree859c2618b55b8efab2d26c544711b0489a3a5150 /src
parent733f7a2c69c794a81978a08a79916c224ba355a6 (diff)
gudev: add device::get_sysfs_attr_keys and device::has_sysfs_attr
For gudev -> gudevdevice: - Add support for get_sysfs_attr_keys() - Add support for has_sysfs_attr()
Diffstat (limited to 'src')
-rw-r--r--src/gudev/gudevdevice.c53
-rw-r--r--src/gudev/gudevdevice.h3
2 files changed, 56 insertions, 0 deletions
diff --git a/src/gudev/gudevdevice.c b/src/gudev/gudevdevice.c
index 6c9e0f56cf..2c768b7db7 100644
--- a/src/gudev/gudevdevice.c
+++ b/src/gudev/gudevdevice.c
@@ -59,6 +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(),
@@ -84,6 +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;
@@ -98,6 +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)
@@ -699,6 +703,55 @@ 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.
* @name: Name of the sysfs attribute.
diff --git a/src/gudev/gudevdevice.h b/src/gudev/gudevdevice.h
index 457b961c5e..72ec180f55 100644
--- a/src/gudev/gudevdevice.h
+++ b/src/gudev/gudevdevice.h
@@ -108,6 +108,9 @@ gboolean g_udev_device_get_property_as_boolean (GUdevDevice *devic
const gchar* const *g_udev_device_get_property_as_strv (GUdevDevice *device,
const gchar *key);
+const gchar* const *g_udev_device_get_sysfs_attr_keys (GUdevDevice *device);
+gboolean g_udev_device_has_sysfs_attr (GUdevDevice *device,
+ const gchar *key);
const gchar *g_udev_device_get_sysfs_attr (GUdevDevice *device,
const gchar *name);
gint g_udev_device_get_sysfs_attr_as_int (GUdevDevice *device,