RetroArch/libretro-common/file/retro_dirent.c
2020-07-07 05:58:07 +02:00

123 lines
4.3 KiB
C

/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (retro_dirent.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <retro_common.h>
#include <boolean.h>
#include <retro_dirent.h>
#define VFS_FRONTEND
#include <vfs/vfs_implementation.h>
/* TODO/FIXME - static globals */
static retro_vfs_opendir_t dirent_opendir_cb = NULL;
static retro_vfs_readdir_t dirent_readdir_cb = NULL;
static retro_vfs_dirent_get_name_t dirent_dirent_get_name_cb = NULL;
static retro_vfs_dirent_is_dir_t dirent_dirent_is_dir_cb = NULL;
static retro_vfs_closedir_t dirent_closedir_cb = NULL;
void dirent_vfs_init(const struct retro_vfs_interface_info* vfs_info)
{
const struct retro_vfs_interface* vfs_iface;
dirent_opendir_cb = NULL;
dirent_readdir_cb = NULL;
dirent_dirent_get_name_cb = NULL;
dirent_dirent_is_dir_cb = NULL;
dirent_closedir_cb = NULL;
vfs_iface = vfs_info->iface;
if (
vfs_info->required_interface_version < DIRENT_REQUIRED_VFS_VERSION ||
!vfs_iface)
return;
dirent_opendir_cb = vfs_iface->opendir;
dirent_readdir_cb = vfs_iface->readdir;
dirent_dirent_get_name_cb = vfs_iface->dirent_get_name;
dirent_dirent_is_dir_cb = vfs_iface->dirent_is_dir;
dirent_closedir_cb = vfs_iface->closedir;
}
struct RDIR *retro_opendir_include_hidden(
const char *name, bool include_hidden)
{
if (dirent_opendir_cb)
return (struct RDIR *)dirent_opendir_cb(name, include_hidden);
return (struct RDIR *)retro_vfs_opendir_impl(name, include_hidden);
}
struct RDIR *retro_opendir(const char *name)
{
return retro_opendir_include_hidden(name, false);
}
bool retro_dirent_error(struct RDIR *rdir)
{
/* Left for compatibility */
return false;
}
int retro_readdir(struct RDIR *rdir)
{
if (dirent_readdir_cb)
return dirent_readdir_cb((struct retro_vfs_dir_handle *)rdir);
return retro_vfs_readdir_impl((struct retro_vfs_dir_handle *)rdir);
}
const char *retro_dirent_get_name(struct RDIR *rdir)
{
if (dirent_dirent_get_name_cb)
return dirent_dirent_get_name_cb((struct retro_vfs_dir_handle *)rdir);
return retro_vfs_dirent_get_name_impl((struct retro_vfs_dir_handle *)rdir);
}
/**
*
* retro_dirent_is_dir:
* @rdir : pointer to the directory entry.
* @unused : deprecated, included for compatibility reasons, pass NULL
*
* Is the directory listing entry a directory?
*
* Returns: true if directory listing entry is
* a directory, false if not.
*/
bool retro_dirent_is_dir(struct RDIR *rdir, const char *unused)
{
if (dirent_dirent_is_dir_cb)
return dirent_dirent_is_dir_cb((struct retro_vfs_dir_handle *)rdir);
return retro_vfs_dirent_is_dir_impl((struct retro_vfs_dir_handle *)rdir);
}
void retro_closedir(struct RDIR *rdir)
{
if (dirent_closedir_cb)
dirent_closedir_cb((struct retro_vfs_dir_handle *)rdir);
else
retro_vfs_closedir_impl((struct retro_vfs_dir_handle *)rdir);
}