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trivial: Add fu_udev_device_get_sysfs_attr_uint64() for future code

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This commit is contained in:
Richard Hughes 2021-11-04 13:30:27 +00:00
parent 5dd2453012
commit fe180cbf5d
3 changed files with 41 additions and 0 deletions
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35
libfwupdplugin/fu-udev-device.c
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@ -1594,6 +1594,41 @@ fu_udev_device_get_sysfs_attr(FuUdevDevice *self, const gchar *attr, GError **er
#endif #endif
} }
/**
* fu_udev_device_get_sysfs_attr_uint64:
* @self: a #FuUdevDevice
* @attr: name of attribute to get
* @value: (out) (optional): value to return
* @error: (nullable): optional return location for an error
*
* Reads an arbitrary sysfs attribute 'attr' associated with UDEV device as a uint64.
*
* Returns: %TRUE for success
*
* Since: 1.7.2
**/
gboolean
fu_udev_device_get_sysfs_attr_uint64(FuUdevDevice *self,
const gchar *attr,
guint64 *value,
GError **error)
{
const gchar *tmp;
guint64 tmp64;
g_return_val_if_fail(FU_IS_UDEV_DEVICE(self), FALSE);
g_return_val_if_fail(attr != NULL, FALSE);
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
tmp = fu_udev_device_get_sysfs_attr(self, attr, error);
if (tmp == NULL)
return FALSE;
tmp64 = fu_common_strtoull(tmp);
if (value != NULL)
*value = tmp64;
return TRUE;
}
/** /**
* fu_udev_device_pread: * fu_udev_device_pread:
* @self: a #FuUdevDevice * @self: a #FuUdevDevice

5
libfwupdplugin/fu-udev-device.h
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@ -115,6 +115,11 @@ fu_udev_device_pread_full(FuUdevDevice *self,
GError **error) G_GNUC_WARN_UNUSED_RESULT; GError **error) G_GNUC_WARN_UNUSED_RESULT;
const gchar * const gchar *
fu_udev_device_get_sysfs_attr(FuUdevDevice *self, const gchar *attr, GError **error); fu_udev_device_get_sysfs_attr(FuUdevDevice *self, const gchar *attr, GError **error);
gboolean
fu_udev_device_get_sysfs_attr_uint64(FuUdevDevice *self,
const gchar *attr,
guint64 *value,
GError **error);
gchar * gchar *
fu_udev_device_get_parent_name(FuUdevDevice *self); fu_udev_device_get_parent_name(FuUdevDevice *self);

1
libfwupdplugin/fwupdplugin.map
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@ -949,5 +949,6 @@ LIBFWUPDPLUGIN_1.7.1 {
LIBFWUPDPLUGIN_1.7.2 { LIBFWUPDPLUGIN_1.7.2 {
global: global:
fu_context_has_hwid_flag; fu_context_has_hwid_flag;
fu_udev_device_get_sysfs_attr_uint64;
local: *; local: *;
} LIBFWUPDPLUGIN_1.7.1; } LIBFWUPDPLUGIN_1.7.1;