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/* Copyright (C) 2010-2020 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (file_path_io.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 <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <boolean.h>
#include <file/file_path.h>
#include <retro_assert.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#include <string/stdstring.h>
#define VFS_FRONTEND
#include <vfs/vfs_implementation.h>
#ifdef _WIN32
#include <direct.h>
#else
#include <unistd.h> /* stat() is defined here */
#endif
/* TODO/FIXME - globals */
static retro_vfs_stat_t path_stat_cb = retro_vfs_stat_impl;
static retro_vfs_mkdir_t path_mkdir_cb = retro_vfs_mkdir_impl;
void path_vfs_init(const struct retro_vfs_interface_info* vfs_info)
{
const struct retro_vfs_interface*
vfs_iface = vfs_info->iface;
path_stat_cb = retro_vfs_stat_impl;
path_mkdir_cb = retro_vfs_mkdir_impl;
if (vfs_info->required_interface_version < PATH_REQUIRED_VFS_VERSION || !vfs_iface)
return;
path_stat_cb = vfs_iface->stat;
path_mkdir_cb = vfs_iface->mkdir;
}
int path_stat(const char *path)
{
return path_stat_cb(path, NULL);
}
/**
* path_is_directory:
* @path : path
*
* Checks if path is a directory.
*
* Returns: true (1) if path is a directory, otherwise false (0).
*/
bool path_is_directory(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0;
}
bool path_is_character_special(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_CHARACTER_SPECIAL) != 0;
}
bool path_is_valid(const char *path)
{
return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_VALID) != 0;
}
int32_t path_get_size(const char *path)
{
int32_t filesize = 0;
if (path_stat_cb(path, &filesize) != 0)
return filesize;
return -1;
}
/**
* path_mkdir:
* @dir : directory
*
* Create directory on filesystem.
*
* Returns: true (1) if directory could be created, otherwise false (0).
**/
bool path_mkdir(const char *dir)
{
bool norecurse = false;
char *basedir = NULL;
if (!(dir && *dir))
return false;
/* Use heap. Real chance of stack
* overflow if we recurse too hard. */
basedir = strdup(dir);
if (!basedir)
return false;
path_parent_dir(basedir);
if (!*basedir || !strcmp(basedir, dir))
{
free(basedir);
return false;
}
if ( path_is_directory(basedir)
|| path_mkdir(basedir))
norecurse = true;
free(basedir);
if (norecurse)
{
int ret = path_mkdir_cb(dir);
/* Don't treat this as an error. */
if (ret == -2 && path_is_directory(dir))
return true;
else if (ret == 0)
return true;
}
return false;
}
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