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Cameron Gutman 435e7ce663 Check for device disconnection in HIDAPI_JoystickOpen() 
HIDAPI joystick drivers may call HIDAPI_JoystickDisconnected() in their
UpdateDevice() function during HIDAPI_JoystickOpen(). If they do this
today, the opened joystick will end up partially initialized (no name,
path, mapping GUID, etc.) because HIDAPI_GetDeviceByIndex() will no
longer be able to find the SDL_HIDAPI_Device for the removed joystick.

Worse still, joystick->hwdata->device becomes a dangling freed pointer
the next time HIDAPI_UpdateDeviceList() is called. This leads to a UAF
when the application or SDL calls SDL_JoystickClose() on this joystick.

Fix all this by checking if the device no longer has any associated
joysticks after calling UpdateDevice() and failing the open call if so.
 		2023-10-17 21:54:09 -05:00
.github cmake: optionally install pdb's 2023-10-12 02:26:48 +02:00
VisualC Add unsupported functions to dynapi 2023-10-12 14:00:47 +02:00
VisualC-GDK Always provide an implementation for all SDL3 symbols 2023-10-12 14:00:47 +02:00
VisualC-WinRT Always provide an implementation for all SDL3 symbols 2023-10-12 14:00:47 +02:00
Xcode Fix macOS build error by #8269 2023-10-12 19:35:05 -07:00
android-project Accept key events from any source 2023-08-24 10:09:02 -07:00
build-scripts Added properties to various SDL objects 2023-10-11 22:38:00 -07:00
cmake cmake: test -Wl,--version-script with minimal version script 2023-10-12 14:00:47 +02:00
docs Added properties to various SDL objects 2023-10-11 22:38:00 -07:00
include Fix some wrong gamepad/controller event enums 2023-10-16 08:35:54 -04:00
mingw/pkg-support/cmake build: don't add SDL3 subfolder to include path for external projects 2022-11-27 14:33:13 -08:00
src Check for device disconnection in HIDAPI_JoystickOpen() 2023-10-17 21:54:09 -05:00
test testaudio: Removed debugging code. 2023-10-16 15:25:34 -04:00
wayland-protocols Add and event and flag to report when a window has been occluded 2023-07-18 16:42:05 -04:00
.clang-format Commented out syntax that causes Visual Studio 2019 to complain on every edit 2022-12-02 00:43:01 -08:00
.clang-tidy Fix size of memcpy in SDL_AudioDeviceFormatChangedAlreadyLocked 2023-08-05 14:14:45 -04:00
.editorconfig Fixed formatting for Haiku cc files 2023-01-25 03:03:41 -08:00
.gitignore Add VS code directory to gitignore 2023-07-25 23:36:14 -07:00
.wikiheaders-options sdlwiki: SDL3 advises users to include through 'SDL3/SDL.h' 2023-03-21 02:19:19 +01:00
Android.mk Always provide an implementation for all SDL3 symbols 2023-10-12 14:00:47 +02:00
BUGS.txt Cleaned up a few more Bugzilla mentions. 2021-02-12 14:46:49 -05:00
CMakeLists.txt cmake: test -Wl,--version-script with minimal version script 2023-10-12 14:00:47 +02:00
CREDITS.txt Use Apple's nomenclature for macOS and iOS 2022-11-25 16:00:06 -08:00
INSTALL.txt Use Apple's nomenclature for macOS and iOS 2022-11-25 16:00:06 -08:00
LICENSE.txt Updated copyright for 2023 2023-01-09 09:41:41 -08:00
README-SDL.txt More HTTPS changes in the documentation. 2017-02-16 16:52:03 -05:00
README.md Fixed typo 2023-08-31 09:32:39 -07:00
TODO.txt Fixed up legacy MoinMoin URLs at wiki.libsdl.org 2021-04-01 12:20:33 -04:00
WhatsNew.txt Removed patch note for change already in SDL 2.x 2023-07-08 09:35:42 -07:00

README.md

Simple DirectMedia Layer (SDL) Version 3.0

https://www.libsdl.org/

Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games.

More extensive documentation is available in the docs directory, starting with README.md. If you are migrating to SDL 3.0 from SDL 2.0, the changes are extensively documented in README-migration.md.

Enjoy!

Sam Lantinga (slouken@libsdl.org)