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registrybackend: get whether a key is writable or not

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This commit is contained in:
Ignacio Casal Quinteiro 2016-02-01 17:17:47 +01:00
parent 604ca89176
commit bd3dd1cd48
1 changed files with 30 additions and 1 deletions
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31
gio/gregistrysettingsbackend.c
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@ -1185,11 +1185,40 @@ g_registry_backend_reset (GSettingsBackend *backend,
g_settings_backend_changed (backend, key_name, origin_tag);
}
/* Not implemented and probably beyond the scope of this backend */
static gboolean
g_registry_backend_get_writable (GSettingsBackend *backend,
const gchar *key_name)
{
GRegistryBackend *self = G_REGISTRY_BACKEND (backend);
gchar *path_name;
gunichar2 *path_namew;
gchar *value_name;
HKEY hpath;
LONG result;
path_name = parse_key (key_name, self->base_path, &value_name);
path_namew = g_utf8_to_utf16 (path_name, -1, NULL, NULL, NULL);
/* Note: we create the key if it wasn't created yet, but it is not much
* of a problem since at the end of the day we have to create it anyway
* to read or to write from it
*/
result = RegCreateKeyExW (HKEY_CURRENT_USER, path_namew, 0, NULL, 0,
KEY_WRITE, NULL, &hpath, NULL);
g_free (path_namew);
if (result != ERROR_SUCCESS)
{
trace ("Error opening/creating key to check writability: %s.\n",
path_name);
g_free (path_name);
return FALSE;
}
g_free (path_name);
RegCloseKey (hpath);
return TRUE;
}