*rename

1 files changed, 0 insertions, 2075 deletions

diff --git a/Source/3rdParty/SDL2/src/joystick/SDL_gamecontroller.c b/Source/3rdParty/SDL2/src/joystick/SDL_gamecontroller.c
deleted file mode 100644
index eb1ef06..0000000
--- a/Source/3rdParty/SDL2/src/joystick/SDL_gamecontroller.c
+++ /dev/null
@@ -1,2075 +0,0 @@
-/*
-  Simple DirectMedia Layer
-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../SDL_internal.h"
-
-/* This is the game controller API for Simple DirectMedia Layer */
-
-#include "SDL_events.h"
-#include "SDL_assert.h"
-#include "SDL_hints.h"
-#include "SDL_timer.h"
-#include "SDL_sysjoystick.h"
-#include "SDL_joystick_c.h"
-#include "SDL_gamecontrollerdb.h"
-
-#if !SDL_EVENTS_DISABLED
-#include "../events/SDL_events_c.h"
-#endif
-
-#if defined(__ANDROID__)
-#include "SDL_system.h"
-#endif
-
-
-/* Many controllers turn the center button into an instantaneous button press */
-#define SDL_MINIMUM_GUIDE_BUTTON_DELAY_MS   250
-
-#define SDL_CONTROLLER_PLATFORM_FIELD "platform:"
-
-/* a list of currently opened game controllers */
-static SDL_GameController *SDL_gamecontrollers = NULL;
-
-typedef struct
-{
-    SDL_GameControllerBindType inputType;
-    union
-    {
-        int button;
-
-        struct {
-            int axis;
-            int axis_min;
-            int axis_max;
-        } axis;
-
-        struct {
-            int hat;
-            int hat_mask;
-        } hat;
-
-    } input;
-
-    SDL_GameControllerBindType outputType;
-    union
-    {
-        SDL_GameControllerButton button;
-
-        struct {
-            SDL_GameControllerAxis axis;
-            int axis_min;
-            int axis_max;
-        } axis;
-
-    } output;
-
-} SDL_ExtendedGameControllerBind;
-
-/* our hard coded list of mapping support */
-typedef enum
-{
-    SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT,
-    SDL_CONTROLLER_MAPPING_PRIORITY_API,
-    SDL_CONTROLLER_MAPPING_PRIORITY_USER,
-} SDL_ControllerMappingPriority;
-
-typedef struct _ControllerMapping_t
-{
-    SDL_JoystickGUID guid;
-    char *name;
-    char *mapping;
-    SDL_ControllerMappingPriority priority;
-    struct _ControllerMapping_t *next;
-} ControllerMapping_t;
-
-static SDL_JoystickGUID s_zeroGUID;
-static ControllerMapping_t *s_pSupportedControllers = NULL;
-static ControllerMapping_t *s_pDefaultMapping = NULL;
-static ControllerMapping_t *s_pHIDAPIMapping = NULL;
-static ControllerMapping_t *s_pXInputMapping = NULL;
-
-/* The SDL game controller structure */
-struct _SDL_GameController
-{
-    SDL_Joystick *joystick; /* underlying joystick device */
-    int ref_count;
-
-    const char *name;
-    int num_bindings;
-    SDL_ExtendedGameControllerBind *bindings;
-    SDL_ExtendedGameControllerBind **last_match_axis;
-    Uint8 *last_hat_mask;
-    Uint32 guide_button_down;
-
-    struct _SDL_GameController *next; /* pointer to next game controller we have allocated */
-};
-
-
-typedef struct
-{
-    int num_entries;
-    int max_entries;
-    Uint32 *entries;
-} SDL_vidpid_list;
-
-static SDL_vidpid_list SDL_allowed_controllers;
-static SDL_vidpid_list SDL_ignored_controllers;
-
-static void
-SDL_LoadVIDPIDListFromHint(const char *hint, SDL_vidpid_list *list)
-{
-    Uint32 entry;
-    char *spot;
-    char *file = NULL;
-
-    list->num_entries = 0;
-
-    if (hint && *hint == '@') {
-        spot = file = (char *)SDL_LoadFile(hint+1, NULL);
-    } else {
-        spot = (char *)hint;
-    }
-
-    if (!spot) {
-        return;
-    }
-
-    while ((spot = SDL_strstr(spot, "0x")) != NULL) {
-        entry = (Uint16)SDL_strtol(spot, &spot, 0);
-        entry <<= 16;
-        spot = SDL_strstr(spot, "0x");
-        if (!spot) {
-            break;
-        }
-        entry |= (Uint16)SDL_strtol(spot, &spot, 0);
-
-        if (list->num_entries == list->max_entries) {
-            int max_entries = list->max_entries + 16;
-            Uint32 *entries = (Uint32 *)SDL_realloc(list->entries, max_entries*sizeof(*list->entries));
-            if (entries == NULL) {
-                /* Out of memory, go with what we have already */
-                break;
-            }
-            list->entries = entries;
-            list->max_entries = max_entries;
-        }
-        list->entries[list->num_entries++] = entry;
-    }
-
-    if (file) {
-        SDL_free(file);
-    }
-}
-
-static void SDLCALL
-SDL_GameControllerIgnoreDevicesChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
-{
-    SDL_LoadVIDPIDListFromHint(hint, &SDL_ignored_controllers);
-}
-
-static void SDLCALL
-SDL_GameControllerIgnoreDevicesExceptChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
-{
-    SDL_LoadVIDPIDListFromHint(hint, &SDL_allowed_controllers);
-}
-
-static int SDL_PrivateGameControllerAxis(SDL_GameController * gamecontroller, SDL_GameControllerAxis axis, Sint16 value);
-static int SDL_PrivateGameControllerButton(SDL_GameController * gamecontroller, SDL_GameControllerButton button, Uint8 state);
-
-/*
- * If there is an existing add event in the queue, it needs to be modified
- * to have the right value for which, because the number of controllers in
- * the system is now one less.
- */
-static void UpdateEventsForDeviceRemoval()
-{
-    int i, num_events;
-    SDL_Event *events;
-
-    num_events = SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_CONTROLLERDEVICEADDED, SDL_CONTROLLERDEVICEADDED);
-    if (num_events <= 0) {
-        return;
-    }
-
-    events = SDL_stack_alloc(SDL_Event, num_events);
-    if (!events) {
-        return;
-    }
-
-    num_events = SDL_PeepEvents(events, num_events, SDL_GETEVENT, SDL_CONTROLLERDEVICEADDED, SDL_CONTROLLERDEVICEADDED);
-    for (i = 0; i < num_events; ++i) {
-        --events[i].cdevice.which;
-    }
-    SDL_PeepEvents(events, num_events, SDL_ADDEVENT, 0, 0);
-
-    SDL_stack_free(events);
-}
-
-static SDL_bool HasSameOutput(SDL_ExtendedGameControllerBind *a, SDL_ExtendedGameControllerBind *b)
-{
-    if (a->outputType != b->outputType) {
-        return SDL_FALSE;
-    }
-
-    if (a->outputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-        return (a->output.axis.axis == b->output.axis.axis);
-    } else {
-        return (a->output.button == b->output.button);
-    }
-}
-
-static void ResetOutput(SDL_GameController *gamecontroller, SDL_ExtendedGameControllerBind *bind)
-{
-    if (bind->outputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-        SDL_PrivateGameControllerAxis(gamecontroller, bind->output.axis.axis, 0);
-    } else {
-        SDL_PrivateGameControllerButton(gamecontroller, bind->output.button, SDL_RELEASED);
-    }
-}
-
-static void HandleJoystickAxis(SDL_GameController *gamecontroller, int axis, int value)
-{
-    int i;
-    SDL_ExtendedGameControllerBind *last_match = gamecontroller->last_match_axis[axis];
-    SDL_ExtendedGameControllerBind *match = NULL;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS &&
-            axis == binding->input.axis.axis) {
-            if (binding->input.axis.axis_min < binding->input.axis.axis_max) {
-                if (value >= binding->input.axis.axis_min &&
-                    value <= binding->input.axis.axis_max) {
-                    match = binding;
-                    break;
-                }
-            } else {
-                if (value >= binding->input.axis.axis_max &&
-                    value <= binding->input.axis.axis_min) {
-                    match = binding;
-                    break;
-                }
-            }
-        }
-    }
-
-    if (last_match && (!match || !HasSameOutput(last_match, match))) {
-        /* Clear the last input that this axis generated */
-        ResetOutput(gamecontroller, last_match);
-    }
-
-    if (match) {
-        if (match->outputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-            if (match->input.axis.axis_min != match->output.axis.axis_min || match->input.axis.axis_max != match->output.axis.axis_max) {
-                float normalized_value = (float)(value - match->input.axis.axis_min) / (match->input.axis.axis_max - match->input.axis.axis_min);
-                value = match->output.axis.axis_min + (int)(normalized_value * (match->output.axis.axis_max - match->output.axis.axis_min));
-            }
-            SDL_PrivateGameControllerAxis(gamecontroller, match->output.axis.axis, (Sint16)value);
-        } else {
-            Uint8 state;
-            int threshold = match->input.axis.axis_min + (match->input.axis.axis_max - match->input.axis.axis_min) / 2;
-            if (match->input.axis.axis_max < match->input.axis.axis_min) {
-                state = (value <= threshold) ? SDL_PRESSED : SDL_RELEASED;
-            } else {
-                state = (value >= threshold) ? SDL_PRESSED : SDL_RELEASED;
-            }
-            SDL_PrivateGameControllerButton(gamecontroller, match->output.button, state);
-        }
-    }
-    gamecontroller->last_match_axis[axis] = match;
-}
-
-static void HandleJoystickButton(SDL_GameController *gamecontroller, int button, Uint8 state)
-{
-    int i;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->inputType == SDL_CONTROLLER_BINDTYPE_BUTTON &&
-            button == binding->input.button) {
-            if (binding->outputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                int value = state ? binding->output.axis.axis_max : binding->output.axis.axis_min;
-                SDL_PrivateGameControllerAxis(gamecontroller, binding->output.axis.axis, (Sint16)value);
-            } else {
-                SDL_PrivateGameControllerButton(gamecontroller, binding->output.button, state);
-            }
-            break;
-        }
-    }
-}
-
-static void HandleJoystickHat(SDL_GameController *gamecontroller, int hat, Uint8 value)
-{
-    int i;
-    Uint8 last_mask = gamecontroller->last_hat_mask[hat];
-    Uint8 changed_mask = (last_mask ^ value);
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->inputType == SDL_CONTROLLER_BINDTYPE_HAT && hat == binding->input.hat.hat) {
-            if ((changed_mask & binding->input.hat.hat_mask) != 0) {
-                if (value & binding->input.hat.hat_mask) {
-                    if (binding->outputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                        SDL_PrivateGameControllerAxis(gamecontroller, binding->output.axis.axis, (Sint16)binding->output.axis.axis_max);
-                    } else {
-                        SDL_PrivateGameControllerButton(gamecontroller, binding->output.button, SDL_PRESSED);
-                    }
-                } else {
-                    ResetOutput(gamecontroller, binding);
-                }
-            }
-        }
-    }
-    gamecontroller->last_hat_mask[hat] = value;
-}
-
-/*
- * Event filter to fire controller events from joystick ones
- */
-static int SDLCALL SDL_GameControllerEventWatcher(void *userdata, SDL_Event * event)
-{
-    switch(event->type) {
-    case SDL_JOYAXISMOTION:
-        {
-            SDL_GameController *controllerlist = SDL_gamecontrollers;
-            while (controllerlist) {
-                if (controllerlist->joystick->instance_id == event->jaxis.which) {
-                    HandleJoystickAxis(controllerlist, event->jaxis.axis, event->jaxis.value);
-                    break;
-                }
-                controllerlist = controllerlist->next;
-            }
-        }
-        break;
-    case SDL_JOYBUTTONDOWN:
-    case SDL_JOYBUTTONUP:
-        {
-            SDL_GameController *controllerlist = SDL_gamecontrollers;
-            while (controllerlist) {
-                if (controllerlist->joystick->instance_id == event->jbutton.which) {
-                    HandleJoystickButton(controllerlist, event->jbutton.button, event->jbutton.state);
-                    break;
-                }
-                controllerlist = controllerlist->next;
-            }
-        }
-        break;
-    case SDL_JOYHATMOTION:
-        {
-            SDL_GameController *controllerlist = SDL_gamecontrollers;
-            while (controllerlist) {
-                if (controllerlist->joystick->instance_id == event->jhat.which) {
-                    HandleJoystickHat(controllerlist, event->jhat.hat, event->jhat.value);
-                    break;
-                }
-                controllerlist = controllerlist->next;
-            }
-        }
-        break;
-    case SDL_JOYDEVICEADDED:
-        {
-            if (SDL_IsGameController(event->jdevice.which)) {
-                SDL_Event deviceevent;
-                deviceevent.type = SDL_CONTROLLERDEVICEADDED;
-                deviceevent.cdevice.which = event->jdevice.which;
-                SDL_PushEvent(&deviceevent);
-            }
-        }
-        break;
-    case SDL_JOYDEVICEREMOVED:
-        {
-            SDL_GameController *controllerlist = SDL_gamecontrollers;
-            while (controllerlist) {
-                if (controllerlist->joystick->instance_id == event->jdevice.which) {
-                    SDL_Event deviceevent;
-
-                    deviceevent.type = SDL_CONTROLLERDEVICEREMOVED;
-                    deviceevent.cdevice.which = event->jdevice.which;
-                    SDL_PushEvent(&deviceevent);
-
-                    UpdateEventsForDeviceRemoval();
-                    break;
-                }
-                controllerlist = controllerlist->next;
-            }
-        }
-        break;
-    default:
-        break;
-    }
-
-    return 1;
-}
-
-/*
- * Helper function to scan the mappings database for a controller with the specified GUID
- */
-static ControllerMapping_t *SDL_PrivateGetControllerMappingForGUID(SDL_JoystickGUID *guid, SDL_bool exact_match)
-{
-    ControllerMapping_t *pSupportedController = s_pSupportedControllers;
-    while (pSupportedController) {
-        if (SDL_memcmp(guid, &pSupportedController->guid, sizeof(*guid)) == 0) {
-            return pSupportedController;
-        }
-        pSupportedController = pSupportedController->next;
-    }
-    if (!exact_match) {
-        if (SDL_IsJoystickHIDAPI(*guid)) {
-            /* This is a HIDAPI device */
-            return s_pHIDAPIMapping;
-        }
-#if SDL_JOYSTICK_XINPUT
-        if (SDL_IsJoystickXInput(*guid)) {
-            /* This is an XInput device */
-            return s_pXInputMapping;
-        }
-#endif
-    }
-    return NULL;
-}
-
-static const char* map_StringForControllerAxis[] = {
-    "leftx",
-    "lefty",
-    "rightx",
-    "righty",
-    "lefttrigger",
-    "righttrigger",
-    NULL
-};
-
-/*
- * convert a string to its enum equivalent
- */
-SDL_GameControllerAxis SDL_GameControllerGetAxisFromString(const char *pchString)
-{
-    int entry;
-
-    if (pchString && (*pchString == '+' || *pchString == '-')) {
-        ++pchString;
-    }
-
-    if (!pchString || !pchString[0]) {
-        return SDL_CONTROLLER_AXIS_INVALID;
-    }
-
-    for (entry = 0; map_StringForControllerAxis[entry]; ++entry) {
-        if (!SDL_strcasecmp(pchString, map_StringForControllerAxis[entry]))
-            return (SDL_GameControllerAxis) entry;
-    }
-    return SDL_CONTROLLER_AXIS_INVALID;
-}
-
-/*
- * convert an enum to its string equivalent
- */
-const char* SDL_GameControllerGetStringForAxis(SDL_GameControllerAxis axis)
-{
-    if (axis > SDL_CONTROLLER_AXIS_INVALID && axis < SDL_CONTROLLER_AXIS_MAX) {
-        return map_StringForControllerAxis[axis];
-    }
-    return NULL;
-}
-
-static const char* map_StringForControllerButton[] = {
-    "a",
-    "b",
-    "x",
-    "y",
-    "back",
-    "guide",
-    "start",
-    "leftstick",
-    "rightstick",
-    "leftshoulder",
-    "rightshoulder",
-    "dpup",
-    "dpdown",
-    "dpleft",
-    "dpright",
-    NULL
-};
-
-/*
- * convert a string to its enum equivalent
- */
-SDL_GameControllerButton SDL_GameControllerGetButtonFromString(const char *pchString)
-{
-    int entry;
-    if (!pchString || !pchString[0])
-        return SDL_CONTROLLER_BUTTON_INVALID;
-
-    for (entry = 0; map_StringForControllerButton[entry]; ++entry) {
-        if (SDL_strcasecmp(pchString, map_StringForControllerButton[entry]) == 0)
-            return (SDL_GameControllerButton) entry;
-    }
-    return SDL_CONTROLLER_BUTTON_INVALID;
-}
-
-/*
- * convert an enum to its string equivalent
- */
-const char* SDL_GameControllerGetStringForButton(SDL_GameControllerButton axis)
-{
-    if (axis > SDL_CONTROLLER_BUTTON_INVALID && axis < SDL_CONTROLLER_BUTTON_MAX) {
-        return map_StringForControllerButton[axis];
-    }
-    return NULL;
-}
-
-/*
- * given a controller button name and a joystick name update our mapping structure with it
- */
-static void SDL_PrivateGameControllerParseElement(SDL_GameController *gamecontroller, const char *szGameButton, const char *szJoystickButton)
-{
-    SDL_ExtendedGameControllerBind bind;
-    SDL_GameControllerButton button;
-    SDL_GameControllerAxis axis;
-    SDL_bool invert_input = SDL_FALSE;
-    char half_axis_input = 0;
-    char half_axis_output = 0;
-
-    if (*szGameButton == '+' || *szGameButton == '-') {
-        half_axis_output = *szGameButton++;
-    }
-
-    axis = SDL_GameControllerGetAxisFromString(szGameButton);
-    button = SDL_GameControllerGetButtonFromString(szGameButton);
-    if (axis != SDL_CONTROLLER_AXIS_INVALID) {
-        bind.outputType = SDL_CONTROLLER_BINDTYPE_AXIS;
-        bind.output.axis.axis = axis;
-        if (axis == SDL_CONTROLLER_AXIS_TRIGGERLEFT || axis == SDL_CONTROLLER_AXIS_TRIGGERRIGHT) {
-            bind.output.axis.axis_min = 0;
-            bind.output.axis.axis_max = SDL_JOYSTICK_AXIS_MAX;
-        } else {
-            if (half_axis_output == '+') {
-                bind.output.axis.axis_min = 0;
-                bind.output.axis.axis_max = SDL_JOYSTICK_AXIS_MAX;
-            } else if (half_axis_output == '-') {
-                bind.output.axis.axis_min = 0;
-                bind.output.axis.axis_max = SDL_JOYSTICK_AXIS_MIN;
-            } else {
-                bind.output.axis.axis_min = SDL_JOYSTICK_AXIS_MIN;
-                bind.output.axis.axis_max = SDL_JOYSTICK_AXIS_MAX;
-            }
-        }
-    } else if (button != SDL_CONTROLLER_BUTTON_INVALID) {
-        bind.outputType = SDL_CONTROLLER_BINDTYPE_BUTTON;
-        bind.output.button = button;
-    } else {
-        SDL_SetError("Unexpected controller element %s", szGameButton);
-        return;
-    }
-
-    if (*szJoystickButton == '+' || *szJoystickButton == '-') {
-        half_axis_input = *szJoystickButton++;
-    }
-    if (szJoystickButton[SDL_strlen(szJoystickButton) - 1] == '~') {
-        invert_input = SDL_TRUE;
-    }
-
-    if (szJoystickButton[0] == 'a' && SDL_isdigit(szJoystickButton[1])) {
-        bind.inputType = SDL_CONTROLLER_BINDTYPE_AXIS;
-        bind.input.axis.axis = SDL_atoi(&szJoystickButton[1]);
-        if (half_axis_input == '+') {
-            bind.input.axis.axis_min = 0;
-            bind.input.axis.axis_max = SDL_JOYSTICK_AXIS_MAX;
-        } else if (half_axis_input == '-') {
-            bind.input.axis.axis_min = 0;
-            bind.input.axis.axis_max = SDL_JOYSTICK_AXIS_MIN;
-        } else {
-            bind.input.axis.axis_min = SDL_JOYSTICK_AXIS_MIN;
-            bind.input.axis.axis_max = SDL_JOYSTICK_AXIS_MAX;
-        }
-        if (invert_input) {
-            int tmp = bind.input.axis.axis_min;
-            bind.input.axis.axis_min = bind.input.axis.axis_max;
-            bind.input.axis.axis_max = tmp;
-        }
-    } else if (szJoystickButton[0] == 'b' && SDL_isdigit(szJoystickButton[1])) {
-        bind.inputType = SDL_CONTROLLER_BINDTYPE_BUTTON;
-        bind.input.button = SDL_atoi(&szJoystickButton[1]);
-    } else if (szJoystickButton[0] == 'h' && SDL_isdigit(szJoystickButton[1]) &&
-               szJoystickButton[2] == '.' && SDL_isdigit(szJoystickButton[3])) {
-        int hat = SDL_atoi(&szJoystickButton[1]);
-        int mask = SDL_atoi(&szJoystickButton[3]);
-        bind.inputType = SDL_CONTROLLER_BINDTYPE_HAT;
-        bind.input.hat.hat = hat;
-        bind.input.hat.hat_mask = mask;
-    } else {
-        SDL_SetError("Unexpected joystick element: %s", szJoystickButton);
-        return;
-    }
-
-    ++gamecontroller->num_bindings;
-    gamecontroller->bindings = (SDL_ExtendedGameControllerBind *)SDL_realloc(gamecontroller->bindings, gamecontroller->num_bindings * sizeof(*gamecontroller->bindings));
-    if (!gamecontroller->bindings) {
-        gamecontroller->num_bindings = 0;
-        SDL_OutOfMemory();
-        return;
-    }
-    gamecontroller->bindings[gamecontroller->num_bindings - 1] = bind;
-}
-
-
-/*
- * given a controller mapping string update our mapping object
- */
-static void
-SDL_PrivateGameControllerParseControllerConfigString(SDL_GameController *gamecontroller, const char *pchString)
-{
-    char szGameButton[20];
-    char szJoystickButton[20];
-    SDL_bool bGameButton = SDL_TRUE;
-    int i = 0;
-    const char *pchPos = pchString;
-
-    SDL_zero(szGameButton);
-    SDL_zero(szJoystickButton);
-
-    while (pchPos && *pchPos) {
-        if (*pchPos == ':') {
-            i = 0;
-            bGameButton = SDL_FALSE;
-        } else if (*pchPos == ' ') {
-
-        } else if (*pchPos == ',') {
-            i = 0;
-            bGameButton = SDL_TRUE;
-            SDL_PrivateGameControllerParseElement(gamecontroller, szGameButton, szJoystickButton);
-            SDL_zero(szGameButton);
-            SDL_zero(szJoystickButton);
-
-        } else if (bGameButton) {
-            if (i >= sizeof(szGameButton)) {
-                SDL_SetError("Button name too large: %s", szGameButton);
-                return;
-            }
-            szGameButton[i] = *pchPos;
-            i++;
-        } else {
-            if (i >= sizeof(szJoystickButton)) {
-                SDL_SetError("Joystick button name too large: %s", szJoystickButton);
-                return;
-            }
-            szJoystickButton[i] = *pchPos;
-            i++;
-        }
-        pchPos++;
-    }
-
-    SDL_PrivateGameControllerParseElement(gamecontroller, szGameButton, szJoystickButton);
-
-}
-
-/*
- * Make a new button mapping struct
- */
-static void SDL_PrivateLoadButtonMapping(SDL_GameController *gamecontroller, const char *pchName, const char *pchMapping)
-{
-    int i;
-
-    gamecontroller->name = pchName;
-    gamecontroller->num_bindings = 0;
-    SDL_memset(gamecontroller->last_match_axis, 0, gamecontroller->joystick->naxes * sizeof(*gamecontroller->last_match_axis));
-
-    SDL_PrivateGameControllerParseControllerConfigString(gamecontroller, pchMapping);
-
-    /* Set the zero point for triggers */
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS &&
-            binding->outputType == SDL_CONTROLLER_BINDTYPE_AXIS &&
-            (binding->output.axis.axis == SDL_CONTROLLER_AXIS_TRIGGERLEFT ||
-             binding->output.axis.axis == SDL_CONTROLLER_AXIS_TRIGGERRIGHT)) {
-            if (binding->input.axis.axis < gamecontroller->joystick->naxes) {
-                gamecontroller->joystick->axes[binding->input.axis.axis].value =
-                gamecontroller->joystick->axes[binding->input.axis.axis].zero = (Sint16)binding->input.axis.axis_min;
-            }
-        }
-    }
-}
-
-
-/*
- * grab the guid string from a mapping string
- */
-static char *SDL_PrivateGetControllerGUIDFromMappingString(const char *pMapping)
-{
-    const char *pFirstComma = SDL_strchr(pMapping, ',');
-    if (pFirstComma) {
-        char *pchGUID = SDL_malloc(pFirstComma - pMapping + 1);
-        if (!pchGUID) {
-            SDL_OutOfMemory();
-            return NULL;
-        }
-        SDL_memcpy(pchGUID, pMapping, pFirstComma - pMapping);
-        pchGUID[pFirstComma - pMapping] = '\0';
-
-        /* Convert old style GUIDs to the new style in 2.0.5 */
-#if __WIN32__
-        if (SDL_strlen(pchGUID) == 32 &&
-            SDL_memcmp(&pchGUID[20], "504944564944", 12) == 0) {
-            SDL_memcpy(&pchGUID[20], "000000000000", 12);
-            SDL_memcpy(&pchGUID[16], &pchGUID[4], 4);
-            SDL_memcpy(&pchGUID[8], &pchGUID[0], 4);
-            SDL_memcpy(&pchGUID[0], "03000000", 8);
-        }
-#elif __MACOSX__
-        if (SDL_strlen(pchGUID) == 32 &&
-            SDL_memcmp(&pchGUID[4], "000000000000", 12) == 0 &&
-            SDL_memcmp(&pchGUID[20], "000000000000", 12) == 0) {
-            SDL_memcpy(&pchGUID[20], "000000000000", 12);
-            SDL_memcpy(&pchGUID[8], &pchGUID[0], 4);
-            SDL_memcpy(&pchGUID[0], "03000000", 8);
-        }
-#endif
-        return pchGUID;
-    }
-    return NULL;
-}
-
-
-/*
- * grab the name string from a mapping string
- */
-static char *SDL_PrivateGetControllerNameFromMappingString(const char *pMapping)
-{
-    const char *pFirstComma, *pSecondComma;
-    char *pchName;
-
-    pFirstComma = SDL_strchr(pMapping, ',');
-    if (!pFirstComma)
-        return NULL;
-
-    pSecondComma = SDL_strchr(pFirstComma + 1, ',');
-    if (!pSecondComma)
-        return NULL;
-
-    pchName = SDL_malloc(pSecondComma - pFirstComma);
-    if (!pchName) {
-        SDL_OutOfMemory();
-        return NULL;
-    }
-    SDL_memcpy(pchName, pFirstComma + 1, pSecondComma - pFirstComma);
-    pchName[pSecondComma - pFirstComma - 1] = 0;
-    return pchName;
-}
-
-
-/*
- * grab the button mapping string from a mapping string
- */
-static char *SDL_PrivateGetControllerMappingFromMappingString(const char *pMapping)
-{
-    const char *pFirstComma, *pSecondComma;
-
-    pFirstComma = SDL_strchr(pMapping, ',');
-    if (!pFirstComma)
-        return NULL;
-
-    pSecondComma = SDL_strchr(pFirstComma + 1, ',');
-    if (!pSecondComma)
-        return NULL;
-
-    return SDL_strdup(pSecondComma + 1); /* mapping is everything after the 3rd comma */
-}
-
-/*
- * Helper function to refresh a mapping
- */
-static void SDL_PrivateGameControllerRefreshMapping(ControllerMapping_t *pControllerMapping)
-{
-    SDL_GameController *gamecontrollerlist = SDL_gamecontrollers;
-    while (gamecontrollerlist) {
-        if (!SDL_memcmp(&gamecontrollerlist->joystick->guid, &pControllerMapping->guid, sizeof(pControllerMapping->guid))) {
-            /* Not really threadsafe.  Should this lock access within SDL_GameControllerEventWatcher? */
-            SDL_PrivateLoadButtonMapping(gamecontrollerlist, pControllerMapping->name, pControllerMapping->mapping);
-
-            {
-                SDL_Event event;
-                event.type = SDL_CONTROLLERDEVICEREMAPPED;
-                event.cdevice.which = gamecontrollerlist->joystick->instance_id;
-                SDL_PushEvent(&event);
-            }
-        }
-
-        gamecontrollerlist = gamecontrollerlist->next;
-    }
-}
-
-/*
- * Helper function to add a mapping for a guid
- */
-static ControllerMapping_t *
-SDL_PrivateAddMappingForGUID(SDL_JoystickGUID jGUID, const char *mappingString, SDL_bool *existing, SDL_ControllerMappingPriority priority)
-{
-    char *pchName;
-    char *pchMapping;
-    ControllerMapping_t *pControllerMapping;
-
-    pchName = SDL_PrivateGetControllerNameFromMappingString(mappingString);
-    if (!pchName) {
-        SDL_SetError("Couldn't parse name from %s", mappingString);
-        return NULL;
-    }
-
-    pchMapping = SDL_PrivateGetControllerMappingFromMappingString(mappingString);
-    if (!pchMapping) {
-        SDL_free(pchName);
-        SDL_SetError("Couldn't parse %s", mappingString);
-        return NULL;
-    }
-
-    pControllerMapping = SDL_PrivateGetControllerMappingForGUID(&jGUID, SDL_TRUE);
-    if (pControllerMapping) {
-        /* Only overwrite the mapping if the priority is the same or higher. */
-        if (pControllerMapping->priority <= priority) {
-            /* Update existing mapping */
-            SDL_free(pControllerMapping->name);
-            pControllerMapping->name = pchName;
-            SDL_free(pControllerMapping->mapping);
-            pControllerMapping->mapping = pchMapping;
-            pControllerMapping->priority = priority;
-            /* refresh open controllers */
-            SDL_PrivateGameControllerRefreshMapping(pControllerMapping);
-        } else {
-            SDL_free(pchName);
-            SDL_free(pchMapping);
-        }
-        *existing = SDL_TRUE;
-    } else {
-        pControllerMapping = SDL_malloc(sizeof(*pControllerMapping));
-        if (!pControllerMapping) {
-            SDL_free(pchName);
-            SDL_free(pchMapping);
-            SDL_OutOfMemory();
-            return NULL;
-        }
-        pControllerMapping->guid = jGUID;
-        pControllerMapping->name = pchName;
-        pControllerMapping->mapping = pchMapping;
-        pControllerMapping->next = NULL;
-        pControllerMapping->priority = priority;
-
-        if (s_pSupportedControllers) {
-            /* Add the mapping to the end of the list */
-            ControllerMapping_t *pCurrMapping, *pPrevMapping;
-
-            for ( pPrevMapping = s_pSupportedControllers, pCurrMapping = pPrevMapping->next;
-                  pCurrMapping; 
-                  pPrevMapping = pCurrMapping, pCurrMapping = pCurrMapping->next ) {
-                continue;
-            }
-            pPrevMapping->next = pControllerMapping;
-        } else {
-            s_pSupportedControllers = pControllerMapping;
-        }
-        *existing = SDL_FALSE;
-    }
-    return pControllerMapping;
-}
-
-#ifdef __ANDROID__
-/*
- * Helper function to guess at a mapping based on the elements reported for this controller
- */
-static ControllerMapping_t *SDL_CreateMappingForAndroidController(const char *name, SDL_JoystickGUID guid)
-{
-    SDL_bool existing;
-    char name_string[128];
-    char mapping_string[1024];
-    int button_mask;
-    int axis_mask;
-
-    button_mask = SDL_SwapLE16(*(Uint16*)(&guid.data[sizeof(guid.data)-4]));
-    axis_mask = SDL_SwapLE16(*(Uint16*)(&guid.data[sizeof(guid.data)-2]));
-    if (!button_mask && !axis_mask) {
-        /* Accelerometer, shouldn't have a game controller mapping */
-        return NULL;
-    }
-
-    /* Remove any commas in the name */
-    SDL_strlcpy(name_string, name, sizeof(name_string));
-    {
-        char *spot;
-        for (spot = name_string; *spot; ++spot) {
-            if (*spot == ',') {
-                *spot = ' ';
-            }
-        }
-    }
-    SDL_snprintf(mapping_string, sizeof(mapping_string), "none,%s,", name_string);
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_A)) {
-        SDL_strlcat(mapping_string, "a:b0,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_B)) {
-        SDL_strlcat(mapping_string, "b:b1,", sizeof(mapping_string));
-    } else if (button_mask & (1 << SDL_CONTROLLER_BUTTON_BACK)) {
-        /* Use the back button as "B" for easy UI navigation with TV remotes */
-        SDL_strlcat(mapping_string, "b:b4,", sizeof(mapping_string));
-        button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_BACK);
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_X)) {
-        SDL_strlcat(mapping_string, "x:b2,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_Y)) {
-        SDL_strlcat(mapping_string, "y:b3,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_BACK)) {
-        SDL_strlcat(mapping_string, "back:b4,", sizeof(mapping_string));
-    }
-#if 0 /* The guide button generally isn't functional (or acts as a home button) on most Android controllers */
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_GUIDE)) {
-        SDL_strlcat(mapping_string, "guide:b5,", sizeof(mapping_string));
-#if 0 /* Actually this will be done in Steam */
-    } else if (button_mask & (1 << SDL_CONTROLLER_BUTTON_START)) {
-        /* The guide button doesn't exist, use the start button instead,
-           so you can do Steam guide button chords and open the Steam overlay.
-         */
-        SDL_strlcat(mapping_string, "guide:b6,", sizeof(mapping_string));
-        button_mask &= ~(1 << SDL_CONTROLLER_BUTTON_START);
-#endif
-    }
-#endif
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_START)) {
-        SDL_strlcat(mapping_string, "start:b6,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_LEFTSTICK)) {
-        SDL_strlcat(mapping_string, "leftstick:b7,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_RIGHTSTICK)) {
-        SDL_strlcat(mapping_string, "rightstick:b8,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_LEFTSHOULDER)) {
-        SDL_strlcat(mapping_string, "leftshoulder:b9,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_RIGHTSHOULDER)) {
-        SDL_strlcat(mapping_string, "rightshoulder:b10,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_UP)) {
-        SDL_strlcat(mapping_string, "dpup:b11,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_DOWN)) {
-        SDL_strlcat(mapping_string, "dpdown:b12,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_LEFT)) {
-        SDL_strlcat(mapping_string, "dpleft:b13,", sizeof(mapping_string));
-    }
-    if (button_mask & (1 << SDL_CONTROLLER_BUTTON_DPAD_RIGHT)) {
-        SDL_strlcat(mapping_string, "dpright:b14,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_LEFTX)) {
-        SDL_strlcat(mapping_string, "leftx:a0,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_LEFTY)) {
-        SDL_strlcat(mapping_string, "lefty:a1,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_RIGHTX)) {
-        SDL_strlcat(mapping_string, "rightx:a2,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_RIGHTY)) {
-        SDL_strlcat(mapping_string, "righty:a3,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_TRIGGERLEFT)) {
-        SDL_strlcat(mapping_string, "lefttrigger:a4,", sizeof(mapping_string));
-    }
-    if (axis_mask & (1 << SDL_CONTROLLER_AXIS_TRIGGERRIGHT)) {
-        SDL_strlcat(mapping_string, "righttrigger:a5,", sizeof(mapping_string));
-    }
-    return SDL_PrivateAddMappingForGUID(guid, mapping_string,
-                      &existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);
-}
-#endif /* __ANDROID__ */
-
-
-/*
- * Helper function to determine pre-calculated offset to certain joystick mappings
- */
-static ControllerMapping_t *SDL_PrivateGetControllerMappingForNameAndGUID(const char *name, SDL_JoystickGUID guid)
-{
-    ControllerMapping_t *mapping;
-
-    mapping = SDL_PrivateGetControllerMappingForGUID(&guid, SDL_FALSE);
-#ifdef __LINUX__
-    if (!mapping && name) {
-        if (SDL_strstr(name, "Xbox 360 Wireless Receiver")) {
-            /* The Linux driver xpad.c maps the wireless dpad to buttons */
-            SDL_bool existing;
-            mapping = SDL_PrivateAddMappingForGUID(guid,
-"none,X360 Wireless Controller,a:b0,b:b1,back:b6,dpdown:b14,dpleft:b11,dpright:b12,dpup:b13,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,",
-                          &existing, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);
-        }
-    }
-#endif /* __LINUX__ */
-
-    if (!mapping && name) {
-        if (SDL_strstr(name, "Xbox") || SDL_strstr(name, "X-Box") || SDL_strstr(name, "XBOX")) {
-            mapping = s_pXInputMapping;
-        }
-    }
-#ifdef __ANDROID__
-    if (!mapping && name && !SDL_IsJoystickHIDAPI(guid)) {
-        mapping = SDL_CreateMappingForAndroidController(name, guid);
-    }
-#endif
-    if (!mapping) {
-        mapping = s_pDefaultMapping;
-    }
-    return mapping;
-}
-
-static ControllerMapping_t *SDL_PrivateGetControllerMapping(int device_index)
-{
-    const char *name;
-    SDL_JoystickGUID guid;
-    ControllerMapping_t *mapping;
-
-    SDL_LockJoysticks();
-
-    if ((device_index < 0) || (device_index >= SDL_NumJoysticks())) {
-        SDL_SetError("There are %d joysticks available", SDL_NumJoysticks());
-        SDL_UnlockJoysticks();
-        return (NULL);
-    }
-
-    name = SDL_JoystickNameForIndex(device_index);
-    guid = SDL_JoystickGetDeviceGUID(device_index);
-    mapping = SDL_PrivateGetControllerMappingForNameAndGUID(name, guid);
-    SDL_UnlockJoysticks();
-    return mapping;
-}
-
-/*
- * Add or update an entry into the Mappings Database
- */
-int
-SDL_GameControllerAddMappingsFromRW(SDL_RWops * rw, int freerw)
-{
-    const char *platform = SDL_GetPlatform();
-    int controllers = 0;
-    char *buf, *line, *line_end, *tmp, *comma, line_platform[64];
-    size_t db_size, platform_len;
-    
-    if (rw == NULL) {
-        return SDL_SetError("Invalid RWops");
-    }
-    db_size = (size_t)SDL_RWsize(rw);
-    
-    buf = (char *)SDL_malloc(db_size + 1);
-    if (buf == NULL) {
-        if (freerw) {
-            SDL_RWclose(rw);
-        }
-        return SDL_SetError("Could not allocate space to read DB into memory");
-    }
-    
-    if (SDL_RWread(rw, buf, db_size, 1) != 1) {
-        if (freerw) {
-            SDL_RWclose(rw);
-        }
-        SDL_free(buf);
-        return SDL_SetError("Could not read DB");
-    }
-    
-    if (freerw) {
-        SDL_RWclose(rw);
-    }
-    
-    buf[db_size] = '\0';
-    line = buf;
-    
-    while (line < buf + db_size) {
-        line_end = SDL_strchr(line, '\n');
-        if (line_end != NULL) {
-            *line_end = '\0';
-        } else {
-            line_end = buf + db_size;
-        }
-        
-        /* Extract and verify the platform */
-        tmp = SDL_strstr(line, SDL_CONTROLLER_PLATFORM_FIELD);
-        if (tmp != NULL) {
-            tmp += SDL_strlen(SDL_CONTROLLER_PLATFORM_FIELD);
-            comma = SDL_strchr(tmp, ',');
-            if (comma != NULL) {
-                platform_len = comma - tmp + 1;
-                if (platform_len + 1 < SDL_arraysize(line_platform)) {
-                    SDL_strlcpy(line_platform, tmp, platform_len);
-                    if (SDL_strncasecmp(line_platform, platform, platform_len) == 0 &&
-                        SDL_GameControllerAddMapping(line) > 0) {
-                        controllers++;
-                    }
-                }
-            }
-        }
-        
-        line = line_end + 1;
-    }
-
-    SDL_free(buf);
-    return controllers;
-}
-
-/*
- * Add or update an entry into the Mappings Database with a priority
- */
-static int
-SDL_PrivateGameControllerAddMapping(const char *mappingString, SDL_ControllerMappingPriority priority)
-{
-    char *pchGUID;
-    SDL_JoystickGUID jGUID;
-    SDL_bool is_default_mapping = SDL_FALSE;
-    SDL_bool is_hidapi_mapping = SDL_FALSE;
-    SDL_bool is_xinput_mapping = SDL_FALSE;
-    SDL_bool existing = SDL_FALSE;
-    ControllerMapping_t *pControllerMapping;
-
-    if (!mappingString) {
-        return SDL_InvalidParamError("mappingString");
-    }
-
-    pchGUID = SDL_PrivateGetControllerGUIDFromMappingString(mappingString);
-    if (!pchGUID) {
-        return SDL_SetError("Couldn't parse GUID from %s", mappingString);
-    }
-    if (!SDL_strcasecmp(pchGUID, "default")) {
-        is_default_mapping = SDL_TRUE;
-    } else if (!SDL_strcasecmp(pchGUID, "hidapi")) {
-        is_hidapi_mapping = SDL_TRUE;
-    } else if (!SDL_strcasecmp(pchGUID, "xinput")) {
-        is_xinput_mapping = SDL_TRUE;
-    }
-    jGUID = SDL_JoystickGetGUIDFromString(pchGUID);
-    SDL_free(pchGUID);
-
-    pControllerMapping = SDL_PrivateAddMappingForGUID(jGUID, mappingString, &existing, priority);
-    if (!pControllerMapping) {
-        return -1;
-    }
-
-    if (existing) {
-        return 0;
-    } else {
-        if (is_default_mapping) {
-            s_pDefaultMapping = pControllerMapping;
-        } else if (is_hidapi_mapping) {
-            s_pHIDAPIMapping = pControllerMapping;
-        } else if (is_xinput_mapping) {
-            s_pXInputMapping = pControllerMapping;
-        }
-        return 1;
-    }
-}
-
-/*
- * Add or update an entry into the Mappings Database
- */
-int
-SDL_GameControllerAddMapping(const char *mappingString)
-{
-    return SDL_PrivateGameControllerAddMapping(mappingString, SDL_CONTROLLER_MAPPING_PRIORITY_API);
-}
-
-/*
- *  Get the number of mappings installed
- */
-int
-SDL_GameControllerNumMappings(void)
-{
-    int num_mappings = 0;
-    ControllerMapping_t *mapping;
-
-    for (mapping = s_pSupportedControllers; mapping; mapping = mapping->next) {
-        if (SDL_memcmp(&mapping->guid, &s_zeroGUID, sizeof(mapping->guid)) == 0) {
-            continue;
-        }
-        ++num_mappings;
-    }
-    return num_mappings;
-}
-
-/*
- *  Get the mapping at a particular index.
- */
-char *
-SDL_GameControllerMappingForIndex(int mapping_index)
-{
-    ControllerMapping_t *mapping;
-
-    for (mapping = s_pSupportedControllers; mapping; mapping = mapping->next) {
-        if (SDL_memcmp(&mapping->guid, &s_zeroGUID, sizeof(mapping->guid)) == 0) {
-            continue;
-        }
-        if (mapping_index == 0) {
-            char *pMappingString;
-            char pchGUID[33];
-            size_t needed;
-
-            SDL_JoystickGetGUIDString(mapping->guid, pchGUID, sizeof(pchGUID));
-            /* allocate enough memory for GUID + ',' + name + ',' + mapping + \0 */
-            needed = SDL_strlen(pchGUID) + 1 + SDL_strlen(mapping->name) + 1 + SDL_strlen(mapping->mapping) + 1;
-            pMappingString = SDL_malloc(needed);
-            if (!pMappingString) {
-                SDL_OutOfMemory();
-                return NULL;
-            }
-            SDL_snprintf(pMappingString, needed, "%s,%s,%s", pchGUID, mapping->name, mapping->mapping);
-            return pMappingString;
-        }
-        --mapping_index;
-    }
-    return NULL;
-}
-
-/*
- * Get the mapping string for this GUID
- */
-char *
-SDL_GameControllerMappingForGUID(SDL_JoystickGUID guid)
-{
-    char *pMappingString = NULL;
-    ControllerMapping_t *mapping = SDL_PrivateGetControllerMappingForGUID(&guid, SDL_FALSE);
-    if (mapping) {
-        char pchGUID[33];
-        size_t needed;
-        SDL_JoystickGetGUIDString(guid, pchGUID, sizeof(pchGUID));
-        /* allocate enough memory for GUID + ',' + name + ',' + mapping + \0 */
-        needed = SDL_strlen(pchGUID) + 1 + SDL_strlen(mapping->name) + 1 + SDL_strlen(mapping->mapping) + 1;
-        pMappingString = SDL_malloc(needed);
-        if (!pMappingString) {
-            SDL_OutOfMemory();
-            return NULL;
-        }
-        SDL_snprintf(pMappingString, needed, "%s,%s,%s", pchGUID, mapping->name, mapping->mapping);
-    }
-    return pMappingString;
-}
-
-/*
- * Get the mapping string for this device
- */
-char *
-SDL_GameControllerMapping(SDL_GameController * gamecontroller)
-{
-    if (!gamecontroller) {
-        return NULL;
-    }
-
-    return SDL_GameControllerMappingForGUID(gamecontroller->joystick->guid);
-}
-
-static void
-SDL_GameControllerLoadHints()
-{
-    const char *hint = SDL_GetHint(SDL_HINT_GAMECONTROLLERCONFIG);
-    if (hint && hint[0]) {
-        size_t nchHints = SDL_strlen(hint);
-        char *pUserMappings = SDL_malloc(nchHints + 1);
-        char *pTempMappings = pUserMappings;
-        SDL_memcpy(pUserMappings, hint, nchHints);
-        pUserMappings[nchHints] = '\0';
-        while (pUserMappings) {
-            char *pchNewLine = NULL;
-
-            pchNewLine = SDL_strchr(pUserMappings, '\n');
-            if (pchNewLine)
-                *pchNewLine = '\0';
-
-            SDL_PrivateGameControllerAddMapping(pUserMappings, SDL_CONTROLLER_MAPPING_PRIORITY_USER);
-
-            if (pchNewLine) {
-                pUserMappings = pchNewLine + 1;
-            } else {
-                pUserMappings = NULL;
-            }
-        }
-        SDL_free(pTempMappings);
-    }
-}
-
-/*
- * Fill the given buffer with the expected controller mapping filepath. 
- * Usually this will just be CONTROLLER_MAPPING_FILE, but for Android,
- * we want to get the internal storage path.
- */
-static SDL_bool SDL_GetControllerMappingFilePath(char *path, size_t size)
-{
-#ifdef CONTROLLER_MAPPING_FILE
-#define STRING(X) SDL_STRINGIFY_ARG(X)
-    return SDL_strlcpy(path, STRING(CONTROLLER_MAPPING_FILE), size) < size;
-#elif defined(__ANDROID__)
-    return SDL_snprintf(path, size, "%s/controller_map.txt", SDL_AndroidGetInternalStoragePath()) < size;
-#else
-    return SDL_FALSE;
-#endif
-}
-
-/*
- * Initialize the game controller system, mostly load our DB of controller config mappings
- */
-int
-SDL_GameControllerInitMappings(void)
-{
-    char szControllerMapPath[1024];
-    int i = 0;
-    const char *pMappingString = NULL;
-    pMappingString = s_ControllerMappings[i];
-    while (pMappingString) {
-        SDL_PrivateGameControllerAddMapping(pMappingString, SDL_CONTROLLER_MAPPING_PRIORITY_DEFAULT);
-
-        i++;
-        pMappingString = s_ControllerMappings[i];
-    }
-
-    if (SDL_GetControllerMappingFilePath(szControllerMapPath, sizeof(szControllerMapPath))) {
-        SDL_GameControllerAddMappingsFromFile(szControllerMapPath);        
-    }
-
-    /* load in any user supplied config */
-    SDL_GameControllerLoadHints();
-
-    SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES,
-                        SDL_GameControllerIgnoreDevicesChanged, NULL);
-    SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT,
-                        SDL_GameControllerIgnoreDevicesExceptChanged, NULL);
-
-    return (0);
-}
-
-int
-SDL_GameControllerInit(void)
-{
-    int i;
-
-    /* watch for joy events and fire controller ones if needed */
-    SDL_AddEventWatch(SDL_GameControllerEventWatcher, NULL);
-
-    /* Send added events for controllers currently attached */
-    for (i = 0; i < SDL_NumJoysticks(); ++i) {
-        if (SDL_IsGameController(i)) {
-            SDL_Event deviceevent;
-            deviceevent.type = SDL_CONTROLLERDEVICEADDED;
-            deviceevent.cdevice.which = i;
-            SDL_PushEvent(&deviceevent);
-        }
-    }
-
-    return (0);
-}
-
-
-/*
- * Get the implementation dependent name of a controller
- */
-const char *
-SDL_GameControllerNameForIndex(int device_index)
-{
-    ControllerMapping_t *pSupportedController = SDL_PrivateGetControllerMapping(device_index);
-    if (pSupportedController) {
-        if (SDL_strcmp(pSupportedController->name, "*") == 0) {
-            return SDL_JoystickNameForIndex(device_index);
-        } else {
-            return pSupportedController->name;
-        }
-    }
-    return NULL;
-}
-
-
-/**
- *  Get the mapping of a game controller.
- *  This can be called before any controllers are opened.
- *  If no mapping can be found, this function returns NULL.
- */
-char *
-SDL_GameControllerMappingForDeviceIndex(int joystick_index)
-{
-    char *pMappingString = NULL;
-    ControllerMapping_t *mapping;
-
-    SDL_LockJoysticks();
-    mapping = SDL_PrivateGetControllerMapping(joystick_index);
-    if (mapping) {
-        SDL_JoystickGUID guid;
-        char pchGUID[33];
-        size_t needed;
-        guid = SDL_JoystickGetDeviceGUID(joystick_index);
-        SDL_JoystickGetGUIDString(guid, pchGUID, sizeof(pchGUID));
-        /* allocate enough memory for GUID + ',' + name + ',' + mapping + \0 */
-        needed = SDL_strlen(pchGUID) + 1 + SDL_strlen(mapping->name) + 1 + SDL_strlen(mapping->mapping) + 1;
-        pMappingString = SDL_malloc(needed);
-        if (!pMappingString) {
-            SDL_OutOfMemory();
-            SDL_UnlockJoysticks();
-            return NULL;
-        }
-        SDL_snprintf(pMappingString, needed, "%s,%s,%s", pchGUID, mapping->name, mapping->mapping);
-    }
-    SDL_UnlockJoysticks();
-    return pMappingString;
-}
-
-
-/*
- * Return 1 if the joystick with this name and GUID is a supported controller
- */
-SDL_bool
-SDL_IsGameControllerNameAndGUID(const char *name, SDL_JoystickGUID guid)
-{
-    ControllerMapping_t *pSupportedController = SDL_PrivateGetControllerMappingForNameAndGUID(name, guid);
-    if (pSupportedController) {
-        return SDL_TRUE;
-    }
-    return SDL_FALSE;
-}
-
-/*
- * Return 1 if the joystick at this device index is a supported controller
- */
-SDL_bool
-SDL_IsGameController(int device_index)
-{
-    ControllerMapping_t *pSupportedController = SDL_PrivateGetControllerMapping(device_index);
-    if (pSupportedController) {
-        return SDL_TRUE;
-    }
-    return SDL_FALSE;
-}
-
-/*
- * Return 1 if the game controller should be ignored by SDL
- */
-SDL_bool SDL_ShouldIgnoreGameController(const char *name, SDL_JoystickGUID guid)
-{
-    int i;
-    Uint16 vendor;
-    Uint16 product;
-    Uint16 version;
-    Uint32 vidpid;
-
-    if (SDL_allowed_controllers.num_entries == 0 &&
-        SDL_ignored_controllers.num_entries == 0) {
-        return SDL_FALSE;
-    }
-
-    SDL_GetJoystickGUIDInfo(guid, &vendor, &product, &version);
-
-    if (SDL_GetHintBoolean("SDL_GAMECONTROLLER_ALLOW_STEAM_VIRTUAL_GAMEPAD", SDL_FALSE)) {
-        /* We shouldn't ignore Steam's virtual gamepad since it's using the hints to filter out the real controllers so it can remap input for the virtual controller */
-        SDL_bool bSteamVirtualGamepad = SDL_FALSE;
-#if defined(__LINUX__)
-        bSteamVirtualGamepad = (vendor == 0x28DE && product == 0x11FF);
-#elif defined(__MACOSX__)
-        bSteamVirtualGamepad = (vendor == 0x045E && product == 0x028E && version == 1);
-#elif defined(__WIN32__)
-        /* We can't tell on Windows, but Steam will block others in input hooks */
-        bSteamVirtualGamepad = SDL_TRUE;
-#endif
-        if (bSteamVirtualGamepad) {
-            return SDL_FALSE;
-        }
-    }
-
-    vidpid = MAKE_VIDPID(vendor, product);
-
-    if (SDL_allowed_controllers.num_entries > 0) {
-        for (i = 0; i < SDL_allowed_controllers.num_entries; ++i) {
-            if (vidpid == SDL_allowed_controllers.entries[i]) {
-                return SDL_FALSE;
-            }
-        }
-        return SDL_TRUE;
-    } else {
-        for (i = 0; i < SDL_ignored_controllers.num_entries; ++i) {
-            if (vidpid == SDL_ignored_controllers.entries[i]) {
-                return SDL_TRUE;
-            }
-        }
-        return SDL_FALSE;
-    }
-}
-
-/*
- * Open a controller for use - the index passed as an argument refers to
- * the N'th controller on the system.  This index is the value which will
- * identify this controller in future controller events.
- *
- * This function returns a controller identifier, or NULL if an error occurred.
- */
-SDL_GameController *
-SDL_GameControllerOpen(int device_index)
-{
-    SDL_JoystickID instance_id;
-    SDL_GameController *gamecontroller;
-    SDL_GameController *gamecontrollerlist;
-    ControllerMapping_t *pSupportedController = NULL;
-
-    SDL_LockJoysticks();
-
-    gamecontrollerlist = SDL_gamecontrollers;
-    /* If the controller is already open, return it */
-    instance_id = SDL_JoystickGetDeviceInstanceID(device_index);
-    while (gamecontrollerlist) {
-        if (instance_id == gamecontrollerlist->joystick->instance_id) {
-                gamecontroller = gamecontrollerlist;
-                ++gamecontroller->ref_count;
-                SDL_UnlockJoysticks();
-                return (gamecontroller);
-        }
-        gamecontrollerlist = gamecontrollerlist->next;
-    }
-
-    /* Find a controller mapping */
-    pSupportedController =  SDL_PrivateGetControllerMapping(device_index);
-    if (!pSupportedController) {
-        SDL_SetError("Couldn't find mapping for device (%d)", device_index);
-        SDL_UnlockJoysticks();
-        return NULL;
-    }
-
-    /* Create and initialize the controller */
-    gamecontroller = (SDL_GameController *) SDL_calloc(1, sizeof(*gamecontroller));
-    if (gamecontroller == NULL) {
-        SDL_OutOfMemory();
-        SDL_UnlockJoysticks();
-        return NULL;
-    }
-
-    gamecontroller->joystick = SDL_JoystickOpen(device_index);
-    if (!gamecontroller->joystick) {
-        SDL_free(gamecontroller);
-        SDL_UnlockJoysticks();
-        return NULL;
-    }
-
-    if (gamecontroller->joystick->naxes) {
-        gamecontroller->last_match_axis = (SDL_ExtendedGameControllerBind **)SDL_calloc(gamecontroller->joystick->naxes, sizeof(*gamecontroller->last_match_axis));
-        if (!gamecontroller->last_match_axis) {
-            SDL_OutOfMemory();
-            SDL_JoystickClose(gamecontroller->joystick);
-            SDL_free(gamecontroller);
-            SDL_UnlockJoysticks();
-            return NULL;
-        }
-    }
-    if (gamecontroller->joystick->nhats) {
-        gamecontroller->last_hat_mask = (Uint8 *)SDL_calloc(gamecontroller->joystick->nhats, sizeof(*gamecontroller->last_hat_mask));
-        if (!gamecontroller->last_hat_mask) {
-            SDL_OutOfMemory();
-            SDL_JoystickClose(gamecontroller->joystick);
-            SDL_free(gamecontroller->last_match_axis);
-            SDL_free(gamecontroller);
-            SDL_UnlockJoysticks();
-            return NULL;
-        }
-    }
-
-    SDL_PrivateLoadButtonMapping(gamecontroller, pSupportedController->name, pSupportedController->mapping);
-
-    /* Add the controller to list */
-    ++gamecontroller->ref_count;
-    /* Link the controller in the list */
-    gamecontroller->next = SDL_gamecontrollers;
-    SDL_gamecontrollers = gamecontroller;
-
-    SDL_UnlockJoysticks();
-
-    return (gamecontroller);
-}
-
-/*
- * Manually pump for controller updates.
- */
-void
-SDL_GameControllerUpdate(void)
-{
-    /* Just for API completeness; the joystick API does all the work. */
-    SDL_JoystickUpdate();
-}
-
-/*
- * Get the current state of an axis control on a controller
- */
-Sint16
-SDL_GameControllerGetAxis(SDL_GameController * gamecontroller, SDL_GameControllerAxis axis)
-{
-    int i;
-
-    if (!gamecontroller)
-        return 0;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->outputType == SDL_CONTROLLER_BINDTYPE_AXIS && binding->output.axis.axis == axis) {
-            int value = 0;
-            SDL_bool valid_input_range;
-            SDL_bool valid_output_range;
-
-            if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                value = SDL_JoystickGetAxis(gamecontroller->joystick, binding->input.axis.axis);
-                if (binding->input.axis.axis_min < binding->input.axis.axis_max) {
-                    valid_input_range = (value >= binding->input.axis.axis_min && value <= binding->input.axis.axis_max);
-                } else {
-                    valid_input_range = (value >= binding->input.axis.axis_max && value <= binding->input.axis.axis_min);
-                }
-                if (valid_input_range) {
-                    if (binding->input.axis.axis_min != binding->output.axis.axis_min || binding->input.axis.axis_max != binding->output.axis.axis_max) {
-                        float normalized_value = (float)(value - binding->input.axis.axis_min) / (binding->input.axis.axis_max - binding->input.axis.axis_min);
-                        value = binding->output.axis.axis_min + (int)(normalized_value * (binding->output.axis.axis_max - binding->output.axis.axis_min));
-                    }
-                }
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_BUTTON) {
-                value = SDL_JoystickGetButton(gamecontroller->joystick, binding->input.button);
-                if (value == SDL_PRESSED) {
-                    value = binding->output.axis.axis_max;
-                }
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_HAT) {
-                int hat_mask = SDL_JoystickGetHat(gamecontroller->joystick, binding->input.hat.hat);
-                if (hat_mask & binding->input.hat.hat_mask) {
-                    value = binding->output.axis.axis_max;
-                }
-            }
-
-            if (binding->output.axis.axis_min < binding->output.axis.axis_max) {
-                valid_output_range = (value >= binding->output.axis.axis_min && value <= binding->output.axis.axis_max);
-            } else {
-                valid_output_range = (value >= binding->output.axis.axis_max && value <= binding->output.axis.axis_min);
-            }
-            /* If the value is zero, there might be another binding that makes it non-zero */
-            if (value != 0 && valid_output_range) {
-                return (Sint16)value;
-            }
-        }
-    }
-    return 0;
-}
-
-/*
- * Get the current state of a button on a controller
- */
-Uint8
-SDL_GameControllerGetButton(SDL_GameController * gamecontroller, SDL_GameControllerButton button)
-{
-    int i;
-
-    if (!gamecontroller)
-        return 0;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->outputType == SDL_CONTROLLER_BINDTYPE_BUTTON && binding->output.button == button) {
-            if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                SDL_bool valid_input_range;
-
-                int value = SDL_JoystickGetAxis(gamecontroller->joystick, binding->input.axis.axis);
-                int threshold = binding->input.axis.axis_min + (binding->input.axis.axis_max - binding->input.axis.axis_min) / 2;
-                if (binding->input.axis.axis_min < binding->input.axis.axis_max) {
-                    valid_input_range = (value >= binding->input.axis.axis_min && value <= binding->input.axis.axis_max);
-                    if (valid_input_range) {
-                        return (value >= threshold) ? SDL_PRESSED : SDL_RELEASED;
-                    }
-                } else {
-                    valid_input_range = (value >= binding->input.axis.axis_max && value <= binding->input.axis.axis_min);
-                    if (valid_input_range) {
-                        return (value <= threshold) ? SDL_PRESSED : SDL_RELEASED;
-                    }
-                }
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_BUTTON) {
-                return SDL_JoystickGetButton(gamecontroller->joystick, binding->input.button);
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_HAT) {
-                int hat_mask = SDL_JoystickGetHat(gamecontroller->joystick, binding->input.hat.hat);
-                return (hat_mask & binding->input.hat.hat_mask) ? SDL_PRESSED : SDL_RELEASED;
-            }
-        }
-    }
-    return SDL_RELEASED;
-}
-
-const char *
-SDL_GameControllerName(SDL_GameController * gamecontroller)
-{
-    if (!gamecontroller)
-        return NULL;
-
-    if (SDL_strcmp(gamecontroller->name, "*") == 0) {
-        return SDL_JoystickName(SDL_GameControllerGetJoystick(gamecontroller));
-    } else {
-        return gamecontroller->name;
-    }
-}
-
-int
-SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller)
-{
-    return SDL_JoystickGetPlayerIndex(SDL_GameControllerGetJoystick(gamecontroller));
-}
-
-Uint16
-SDL_GameControllerGetVendor(SDL_GameController * gamecontroller)
-{
-    return SDL_JoystickGetVendor(SDL_GameControllerGetJoystick(gamecontroller));
-}
-
-Uint16
-SDL_GameControllerGetProduct(SDL_GameController * gamecontroller)
-{
-    return SDL_JoystickGetProduct(SDL_GameControllerGetJoystick(gamecontroller));
-}
-
-Uint16
-SDL_GameControllerGetProductVersion(SDL_GameController * gamecontroller)
-{
-    return SDL_JoystickGetProductVersion(SDL_GameControllerGetJoystick(gamecontroller));
-}
-
-/*
- * Return if the controller in question is currently attached to the system,
- *  \return 0 if not plugged in, 1 if still present.
- */
-SDL_bool
-SDL_GameControllerGetAttached(SDL_GameController * gamecontroller)
-{
-    if (!gamecontroller)
-        return SDL_FALSE;
-
-    return SDL_JoystickGetAttached(gamecontroller->joystick);
-}
-
-/*
- * Get the joystick for this controller
- */
-SDL_Joystick *SDL_GameControllerGetJoystick(SDL_GameController * gamecontroller)
-{
-    if (!gamecontroller)
-        return NULL;
-
-    return gamecontroller->joystick;
-}
-
-
-/*
- * Find the SDL_GameController that owns this instance id
- */
-SDL_GameController *
-SDL_GameControllerFromInstanceID(SDL_JoystickID joyid)
-{
-    SDL_GameController *gamecontroller;
-
-    SDL_LockJoysticks();
-    gamecontroller = SDL_gamecontrollers;
-    while (gamecontroller) {
-        if (gamecontroller->joystick->instance_id == joyid) {
-            SDL_UnlockJoysticks();
-            return gamecontroller;
-        }
-        gamecontroller = gamecontroller->next;
-    }
-    SDL_UnlockJoysticks();
-    return NULL;
-}
-
-
-/*
- * Get the SDL joystick layer binding for this controller axis mapping
- */
-SDL_GameControllerButtonBind SDL_GameControllerGetBindForAxis(SDL_GameController * gamecontroller, SDL_GameControllerAxis axis)
-{
-    int i;
-    SDL_GameControllerButtonBind bind;
-    SDL_zero(bind);
-
-    if (!gamecontroller || axis == SDL_CONTROLLER_AXIS_INVALID)
-        return bind;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->outputType == SDL_CONTROLLER_BINDTYPE_AXIS && binding->output.axis.axis == axis) {
-            bind.bindType = binding->inputType;
-            if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                /* FIXME: There might be multiple axes bound now that we have axis ranges... */
-                bind.value.axis = binding->input.axis.axis;
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_BUTTON) {
-                bind.value.button = binding->input.button;
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_HAT) {
-                bind.value.hat.hat = binding->input.hat.hat;
-                bind.value.hat.hat_mask = binding->input.hat.hat_mask;
-            }
-            break;
-        }
-    }
-    return bind;
-}
-
-
-/*
- * Get the SDL joystick layer binding for this controller button mapping
- */
-SDL_GameControllerButtonBind SDL_GameControllerGetBindForButton(SDL_GameController * gamecontroller, SDL_GameControllerButton button)
-{
-    int i;
-    SDL_GameControllerButtonBind bind;
-    SDL_zero(bind);
-
-    if (!gamecontroller || button == SDL_CONTROLLER_BUTTON_INVALID)
-        return bind;
-
-    for (i = 0; i < gamecontroller->num_bindings; ++i) {
-        SDL_ExtendedGameControllerBind *binding = &gamecontroller->bindings[i];
-        if (binding->outputType == SDL_CONTROLLER_BINDTYPE_BUTTON && binding->output.button == button) {
-            bind.bindType = binding->inputType;
-            if (binding->inputType == SDL_CONTROLLER_BINDTYPE_AXIS) {
-                bind.value.axis = binding->input.axis.axis;
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_BUTTON) {
-                bind.value.button = binding->input.button;
-            } else if (binding->inputType == SDL_CONTROLLER_BINDTYPE_HAT) {
-                bind.value.hat.hat = binding->input.hat.hat;
-                bind.value.hat.hat_mask = binding->input.hat.hat_mask;
-            }
-            break;
-        }
-    }
-    return bind;
-}
-
-
-int
-SDL_GameControllerRumble(SDL_GameController *gamecontroller, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
-{
-    return SDL_JoystickRumble(SDL_GameControllerGetJoystick(gamecontroller), low_frequency_rumble, high_frequency_rumble, duration_ms);
-}
-
-void
-SDL_GameControllerClose(SDL_GameController * gamecontroller)
-{
-    SDL_GameController *gamecontrollerlist, *gamecontrollerlistprev;
-
-    if (!gamecontroller)
-        return;
-
-    SDL_LockJoysticks();
-
-    /* First decrement ref count */
-    if (--gamecontroller->ref_count > 0) {
-        SDL_UnlockJoysticks();
-        return;
-    }
-
-    SDL_JoystickClose(gamecontroller->joystick);
-
-    gamecontrollerlist = SDL_gamecontrollers;
-    gamecontrollerlistprev = NULL;
-    while (gamecontrollerlist) {
-        if (gamecontroller == gamecontrollerlist) {
-            if (gamecontrollerlistprev) {
-                /* unlink this entry */
-                gamecontrollerlistprev->next = gamecontrollerlist->next;
-            } else {
-                SDL_gamecontrollers = gamecontroller->next;
-            }
-            break;
-        }
-        gamecontrollerlistprev = gamecontrollerlist;
-        gamecontrollerlist = gamecontrollerlist->next;
-    }
-
-    SDL_free(gamecontroller->bindings);
-    SDL_free(gamecontroller->last_match_axis);
-    SDL_free(gamecontroller->last_hat_mask);
-    SDL_free(gamecontroller);
-
-    SDL_UnlockJoysticks();
-}
-
-
-/*
- * Quit the controller subsystem
- */
-void
-SDL_GameControllerQuit(void)
-{
-    SDL_LockJoysticks();
-    while (SDL_gamecontrollers) {
-        SDL_gamecontrollers->ref_count = 1;
-        SDL_GameControllerClose(SDL_gamecontrollers);
-    }
-    SDL_UnlockJoysticks();
-}
-
-void
-SDL_GameControllerQuitMappings(void)
-{
-    ControllerMapping_t *pControllerMap;
-
-    while (s_pSupportedControllers) {
-        pControllerMap = s_pSupportedControllers;
-        s_pSupportedControllers = s_pSupportedControllers->next;
-        SDL_free(pControllerMap->name);
-        SDL_free(pControllerMap->mapping);
-        SDL_free(pControllerMap);
-    }
-
-    SDL_DelEventWatch(SDL_GameControllerEventWatcher, NULL);
-
-    SDL_DelHintCallback(SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES,
-                        SDL_GameControllerIgnoreDevicesChanged, NULL);
-    SDL_DelHintCallback(SDL_HINT_GAMECONTROLLER_IGNORE_DEVICES_EXCEPT,
-                        SDL_GameControllerIgnoreDevicesExceptChanged, NULL);
-
-    if (SDL_allowed_controllers.entries) {
-        SDL_free(SDL_allowed_controllers.entries);
-        SDL_zero(SDL_allowed_controllers);
-    }
-    if (SDL_ignored_controllers.entries) {
-        SDL_free(SDL_ignored_controllers.entries);
-        SDL_zero(SDL_ignored_controllers);
-    }
-}
-
-/*
- * Event filter to transform joystick events into appropriate game controller ones
- */
-static int
-SDL_PrivateGameControllerAxis(SDL_GameController * gamecontroller, SDL_GameControllerAxis axis, Sint16 value)
-{
-    int posted;
-
-    /* translate the event, if desired */
-    posted = 0;
-#if !SDL_EVENTS_DISABLED
-    if (SDL_GetEventState(SDL_CONTROLLERAXISMOTION) == SDL_ENABLE) {
-        SDL_Event event;
-        event.type = SDL_CONTROLLERAXISMOTION;
-        event.caxis.which = gamecontroller->joystick->instance_id;
-        event.caxis.axis = axis;
-        event.caxis.value = value;
-        posted = SDL_PushEvent(&event) == 1;
-    }
-#endif /* !SDL_EVENTS_DISABLED */
-    return (posted);
-}
-
-
-/*
- * Event filter to transform joystick events into appropriate game controller ones
- */
-static int
-SDL_PrivateGameControllerButton(SDL_GameController * gamecontroller, SDL_GameControllerButton button, Uint8 state)
-{
-    int posted;
-#if !SDL_EVENTS_DISABLED
-    SDL_Event event;
-
-    if (button == SDL_CONTROLLER_BUTTON_INVALID)
-        return (0);
-
-    switch (state) {
-    case SDL_PRESSED:
-        event.type = SDL_CONTROLLERBUTTONDOWN;
-        break;
-    case SDL_RELEASED:
-        event.type = SDL_CONTROLLERBUTTONUP;
-        break;
-    default:
-        /* Invalid state -- bail */
-        return (0);
-    }
-#endif /* !SDL_EVENTS_DISABLED */
-
-    if (button == SDL_CONTROLLER_BUTTON_GUIDE) {
-        Uint32 now = SDL_GetTicks();
-        if (state == SDL_PRESSED) {
-            gamecontroller->guide_button_down = now;
-
-            if (gamecontroller->joystick->delayed_guide_button) {
-                /* Skip duplicate press */
-                return (0);
-            }
-        } else {
-            if (!SDL_TICKS_PASSED(now, gamecontroller->guide_button_down+SDL_MINIMUM_GUIDE_BUTTON_DELAY_MS) && !gamecontroller->joystick->force_recentering) {
-                gamecontroller->joystick->delayed_guide_button = SDL_TRUE;
-                return (0);
-            }
-            gamecontroller->joystick->delayed_guide_button = SDL_FALSE;
-        }
-    }
-
-    /* translate the event, if desired */
-    posted = 0;
-#if !SDL_EVENTS_DISABLED
-    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
-        event.cbutton.which = gamecontroller->joystick->instance_id;
-        event.cbutton.button = button;
-        event.cbutton.state = state;
-        posted = SDL_PushEvent(&event) == 1;
-    }
-#endif /* !SDL_EVENTS_DISABLED */
-    return (posted);
-}
-
-/*
- * Turn off controller events
- */
-int
-SDL_GameControllerEventState(int state)
-{
-#if SDL_EVENTS_DISABLED
-    return SDL_IGNORE;
-#else
-    const Uint32 event_list[] = {
-        SDL_CONTROLLERAXISMOTION, SDL_CONTROLLERBUTTONDOWN, SDL_CONTROLLERBUTTONUP,
-        SDL_CONTROLLERDEVICEADDED, SDL_CONTROLLERDEVICEREMOVED, SDL_CONTROLLERDEVICEREMAPPED,
-    };
-    unsigned int i;
-
-    switch (state) {
-    case SDL_QUERY:
-        state = SDL_IGNORE;
-        for (i = 0; i < SDL_arraysize(event_list); ++i) {
-            state = SDL_EventState(event_list[i], SDL_QUERY);
-            if (state == SDL_ENABLE) {
-                break;
-            }
-        }
-        break;
-    default:
-        for (i = 0; i < SDL_arraysize(event_list); ++i) {
-            SDL_EventState(event_list[i], state);
-        }
-        break;
-    }
-    return (state);
-#endif /* SDL_EVENTS_DISABLED */
-}
-
-void
-SDL_GameControllerHandleDelayedGuideButton(SDL_Joystick *joystick)
-{
-    SDL_GameController *controllerlist = SDL_gamecontrollers;
-    while (controllerlist) {
-        if (controllerlist->joystick == joystick) {
-            SDL_PrivateGameControllerButton(controllerlist, SDL_CONTROLLER_BUTTON_GUIDE, SDL_RELEASED);
-            break;
-        }
-        controllerlist = controllerlist->next;
-    }
-}
-
-/* vi: set ts=4 sw=4 expandtab: */