forked from Green-Sky/tomato
241 lines
9.4 KiB
C
241 lines
9.4 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_filesystem.h
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*
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* \brief Include file for filesystem SDL API functions
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*/
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#ifndef SDL_filesystem_h_
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#define SDL_filesystem_h_
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#include <SDL3/SDL_stdinc.h>
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#include <SDL3/SDL_begin_code.h>
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Get the directory where the application was run from.
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*
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* This is not necessarily a fast call, so you should call this once near
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* startup and save the string if you need it.
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*
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* **macOS and iOS Specific Functionality**: If the application is in a ".app"
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* bundle, this function returns the Resource directory (e.g.
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* MyApp.app/Contents/Resources/). This behaviour can be overridden by adding
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* a property to the Info.plist file. Adding a string key with the name
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* SDL_FILESYSTEM_BASE_DIR_TYPE with a supported value will change the
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* behaviour.
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*
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* Supported values for the SDL_FILESYSTEM_BASE_DIR_TYPE property (Given an
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* application in /Applications/SDLApp/MyApp.app):
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*
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* - `resource`: bundle resource directory (the default). For example:
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* `/Applications/SDLApp/MyApp.app/Contents/Resources`
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* - `bundle`: the Bundle directory. For example:
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* `/Applications/SDLApp/MyApp.app/`
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* - `parent`: the containing directory of the bundle. For example:
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* `/Applications/SDLApp/`
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*
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* **Nintendo 3DS Specific Functionality**: This function returns "romfs"
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* directory of the application as it is uncommon to store resources outside
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* the executable. As such it is not a writable directory.
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*
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* The returned path is guaranteed to end with a path separator ('\' on
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* Windows, '/' on most other platforms).
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*
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* The pointer returned is owned by the caller. Please call SDL_free() on the
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* pointer when done with it.
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*
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* \returns an absolute path in UTF-8 encoding to the application data
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* directory. NULL will be returned on error or when the platform
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* doesn't implement this functionality, call SDL_GetError() for more
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* information.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_GetPrefPath
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*/
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extern DECLSPEC char *SDLCALL SDL_GetBasePath(void);
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/**
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* Get the user-and-app-specific path where files can be written.
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*
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* Get the "pref dir". This is meant to be where users can write personal
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* files (preferences and save games, etc) that are specific to your
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* application. This directory is unique per user, per application.
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*
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* This function will decide the appropriate location in the native
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* filesystem, create the directory if necessary, and return a string of the
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* absolute path to the directory in UTF-8 encoding.
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*
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* On Windows, the string might look like:
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*
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* `C:\\Users\\bob\\AppData\\Roaming\\My Company\\My Program Name\\`
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*
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* On Linux, the string might look like:
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*
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* `/home/bob/.local/share/My Program Name/`
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*
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* On macOS, the string might look like:
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*
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* `/Users/bob/Library/Application Support/My Program Name/`
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*
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* You should assume the path returned by this function is the only safe place
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* to write files (and that SDL_GetBasePath(), while it might be writable, or
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* even the parent of the returned path, isn't where you should be writing
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* things).
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*
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* Both the org and app strings may become part of a directory name, so please
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* follow these rules:
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*
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* - Try to use the same org string (_including case-sensitivity_) for all
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* your applications that use this function.
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* - Always use a unique app string for each one, and make sure it never
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* changes for an app once you've decided on it.
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* - Unicode characters are legal, as long as it's UTF-8 encoded, but...
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* - ...only use letters, numbers, and spaces. Avoid punctuation like "Game
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* Name 2: Bad Guy's Revenge!" ... "Game Name 2" is sufficient.
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*
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* The returned path is guaranteed to end with a path separator ('\' on
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* Windows, '/' on most other platforms).
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*
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* The pointer returned is owned by the caller. Please call SDL_free() on the
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* pointer when done with it.
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*
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* \param org the name of your organization
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* \param app the name of your application
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* \returns a UTF-8 string of the user directory in platform-dependent
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* notation. NULL if there's a problem (creating directory failed,
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* etc.).
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_GetBasePath
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*/
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extern DECLSPEC char *SDLCALL SDL_GetPrefPath(const char *org, const char *app);
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/**
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* The type of the OS-provided default folder for a specific purpose.
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*
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* Note that the Trash folder isn't included here, because trashing files usually
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* involves extra OS-specific functionality to remember the file's original
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* location.
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*
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* The folders supported per platform are:
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*
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* | | Windows | macOS/iOS | tvOS | Unix (XDG) | Haiku | Emscripten |
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* | ----------- | ------- | --------- | ---- | ---------- | ----- | ---------- |
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* | HOME | X | X | | X | X | X |
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* | DESKTOP | X | X | | X | X | |
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* | DOCUMENTS | X | X | | X | | |
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* | DOWNLOADS | Vista+ | X | | X | | |
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* | MUSIC | X | X | | X | | |
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* | PICTURES | X | X | | X | | |
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* | PUBLICSHARE | | X | | X | | |
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* | SAVEDGAMES | Vista+ | | | | | |
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* | SCREENSHOTS | Vista+ | | | | | |
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* | TEMPLATES | X | X | | X | | |
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* | VIDEOS | X | X | | X | | |
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*
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* Note that on macOS/iOS, the Videos folder is called "Movies".
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*
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* \sa SDL_GetPath
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*/
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typedef enum
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{
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/** The folder which contains all of the current user's data, preferences,
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and documents. It usually contains most of the other folders. If a
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requested folder does not exist, the home folder can be considered a safe
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fallback to store a user's documents. */
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SDL_FOLDER_HOME,
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/** The folder of files that are displayed on the desktop. Note that the
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existence of a desktop folder does not guarantee that the system does
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show icons on its desktop; certain GNU/Linux distros with a graphical
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environment may not have desktop icons. */
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SDL_FOLDER_DESKTOP,
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/** User document files, possibly application-specific. This is a good
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place to save a user's projects. */
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SDL_FOLDER_DOCUMENTS,
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/** Standard folder for user files downloaded from the internet. */
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SDL_FOLDER_DOWNLOADS,
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/** Music files that can be played using a standard music player (mp3,
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ogg...). */
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SDL_FOLDER_MUSIC,
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/** Image files that can be displayed using a standard viewer (png,
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jpg...). */
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SDL_FOLDER_PICTURES,
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/** Files that are meant to be shared with other users on the same
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computer. */
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SDL_FOLDER_PUBLICSHARE,
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/** Save files for games. */
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SDL_FOLDER_SAVEDGAMES,
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/** Application screenshots. */
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SDL_FOLDER_SCREENSHOTS,
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/** Template files to be used when the user requests the desktop environment
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to create a new file in a certain folder, such as "New Text File.txt".
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Any file in the Templates folder can be used as a starting point for a
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new file. */
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SDL_FOLDER_TEMPLATES,
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/** Video files that can be played using a standard video player (mp4,
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webm...). */
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SDL_FOLDER_VIDEOS
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} SDL_Folder;
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/**
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* Finds the most suitable OS-provided folder for @p folder, and returns its
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* path in OS-specific notation.
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*
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* Many OSes provide certain standard folders for certain purposes, such as
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* storing pictures, music or videos for a certain user. This function gives
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* the path for many of those special locations.
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*
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* Note that the function is expensive, and should be called once at the
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* beginning of the execution and kept for as long as needed.
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*
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* The returned value is owned by the caller and should be freed with
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* SDL_free().
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*
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* If NULL is returned, the error may be obtained with SDL_GetError().
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*
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* \param folder The type of folder to find
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* \returns Either a null-terminated C string containing the full path to the
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* folder, or NULL if an error happened.
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*
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* \since This function is available since SDL 3.0.0.
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*
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* \sa SDL_Folder
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*/
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extern DECLSPEC char *SDLCALL SDL_GetPath(SDL_Folder folder);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#include <SDL3/SDL_close_code.h>
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#endif /* SDL_filesystem_h_ */
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