1 /* 2 * An object providing access to directory functionality. 3 * 4 * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include "directory_provider.h" 23 #include "directory_resource.h" 24 25 26 27 /* Initialise the provider. */ 28 29 DirectoryProvider::DirectoryProvider(fileid_t fileid, FileRegistry *registry, 30 DirectoryAccessor *accessor) 31 : Provider(fileid, registry), _accessor(accessor) 32 { 33 } 34 35 /* Deallocate the provider's resources. */ 36 37 DirectoryProvider::~DirectoryProvider() 38 { 39 } 40 41 /* Return the accessor. */ 42 43 DirectoryAccessor *DirectoryProvider::accessor() 44 { 45 return _accessor; 46 } 47 48 /* Return a directory resource initialised with this provider. */ 49 50 long DirectoryProvider::make_resource(offset_t *size, 51 object_flags_t *object_flags, 52 Resource **resource) 53 { 54 /* Provide non-file values for certain outputs. */ 55 56 *size = 0; 57 *object_flags = 0; 58 59 /* Initialise the resource with the provider and a reference to the registry 60 for detaching from the provider. */ 61 62 this->attach(); 63 *resource = new DirectoryResource(_fileid, this); 64 return L4_EOK; 65 } 66 67 // vim: tabstop=4 expandtab shiftwidth=4