152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (file_path_io.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <boolean.h>
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#include <file/file_path.h>
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#include <retro_assert.h>
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#include <compat/strl.h>
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#include <compat/posix_string.h>
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#include <retro_miscellaneous.h>
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#include <string/stdstring.h>
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#define VFS_FRONTEND
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#include <vfs/vfs_implementation.h>
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#ifdef _WIN32
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#include <direct.h>
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#else
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#include <unistd.h> /* stat() is defined here */
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#endif
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/* TODO/FIXME - globals */
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static retro_vfs_stat_t path_stat_cb = retro_vfs_stat_impl;
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static retro_vfs_mkdir_t path_mkdir_cb = retro_vfs_mkdir_impl;
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void path_vfs_init(const struct retro_vfs_interface_info* vfs_info)
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{
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const struct retro_vfs_interface*
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vfs_iface = vfs_info->iface;
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path_stat_cb = retro_vfs_stat_impl;
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path_mkdir_cb = retro_vfs_mkdir_impl;
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if (vfs_info->required_interface_version < PATH_REQUIRED_VFS_VERSION || !vfs_iface)
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return;
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path_stat_cb = vfs_iface->stat;
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path_mkdir_cb = vfs_iface->mkdir;
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}
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int path_stat(const char *path)
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{
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return path_stat_cb(path, NULL);
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}
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/**
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* path_is_directory:
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* @path : path
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*
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* Checks if path is a directory.
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*
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* Returns: true (1) if path is a directory, otherwise false (0).
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*/
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bool path_is_directory(const char *path)
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{
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return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_DIRECTORY) != 0;
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}
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bool path_is_character_special(const char *path)
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{
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return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_CHARACTER_SPECIAL) != 0;
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}
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bool path_is_valid(const char *path)
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{
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return (path_stat_cb(path, NULL) & RETRO_VFS_STAT_IS_VALID) != 0;
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}
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int32_t path_get_size(const char *path)
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{
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int32_t filesize = 0;
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if (path_stat_cb(path, &filesize) != 0)
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return filesize;
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return -1;
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}
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/**
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* path_mkdir:
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* @dir : directory
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*
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* Create directory on filesystem.
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*
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* Returns: true (1) if directory could be created, otherwise false (0).
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**/
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bool path_mkdir(const char *dir)
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{
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bool norecurse = false;
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char *basedir = NULL;
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if (!(dir && *dir))
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return false;
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/* Use heap. Real chance of stack
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* overflow if we recurse too hard. */
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basedir = strdup(dir);
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if (!basedir)
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return false;
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path_parent_dir(basedir);
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if (!*basedir || !strcmp(basedir, dir))
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{
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free(basedir);
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return false;
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}
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if ( path_is_directory(basedir)
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|| path_mkdir(basedir))
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norecurse = true;
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free(basedir);
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if (norecurse)
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{
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int ret = path_mkdir_cb(dir);
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/* Don't treat this as an error. */
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if (ret == -2 && path_is_directory(dir))
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return true;
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else if (ret == 0)
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return true;
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}
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return false;
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}
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