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https://github.com/Ryujinx/SDL.git
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0e45984fa0
The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly uninitialized data structure if loading the library first failed. A later try to use EGL then skipped initialization and assumed it was previously successful because the data structure now already existed. This led to at least one crash in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was dereferenced to make a call to eglBindAPI().
133 lines
4.2 KiB
Objective-C
133 lines
4.2 KiB
Objective-C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2015 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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#include "../../SDL_internal.h"
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#if SDL_VIDEO_DRIVER_COCOA
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#include "SDL_events.h"
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#include "SDL_timer.h"
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#include "SDL_messagebox.h"
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#include "SDL_cocoavideo.h"
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@interface SDLMessageBoxPresenter : NSObject {
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@public
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NSInteger clicked;
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NSWindow *nswindow;
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}
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- (id) initWithParentWindow:(SDL_Window *)window;
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- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo;
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@end
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@implementation SDLMessageBoxPresenter
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- (id) initWithParentWindow:(SDL_Window *)window
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{
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self = [super init];
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if (self) {
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clicked = -1;
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/* Retain the NSWindow because we'll show the alert later on the main thread */
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if (window) {
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nswindow = [((SDL_WindowData *) window->driverdata)->nswindow retain];
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} else {
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nswindow = NULL;
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}
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}
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return self;
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}
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- (void)showAlert:(NSAlert*)alert
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{
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if (nswindow) {
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[alert beginSheetModalForWindow:nswindow modalDelegate:self didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:) contextInfo:nil];
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while (clicked < 0) {
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SDL_PumpEvents();
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SDL_Delay(100);
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}
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[nswindow release];
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} else {
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clicked = [alert runModal];
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}
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}
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- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
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{
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clicked = returnCode;
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}
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@end
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/* Display a Cocoa message box */
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int
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Cocoa_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
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{ @autoreleasepool
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{
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Cocoa_RegisterApp();
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NSAlert* alert = [[[NSAlert alloc] init] autorelease];
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if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) {
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[alert setAlertStyle:NSCriticalAlertStyle];
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} else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) {
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[alert setAlertStyle:NSWarningAlertStyle];
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} else {
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[alert setAlertStyle:NSInformationalAlertStyle];
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}
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[alert setMessageText:[NSString stringWithUTF8String:messageboxdata->title]];
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[alert setInformativeText:[NSString stringWithUTF8String:messageboxdata->message]];
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const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
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int i;
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for (i = 0; i < messageboxdata->numbuttons; ++i) {
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NSButton *button = [alert addButtonWithTitle:[NSString stringWithUTF8String:buttons[i].text]];
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if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
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[button setKeyEquivalent:@"\r"];
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} else if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
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[button setKeyEquivalent:@"\033"];
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} else {
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[button setKeyEquivalent:@""];
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}
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}
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SDLMessageBoxPresenter* presenter = [[[SDLMessageBoxPresenter alloc] initWithParentWindow:messageboxdata->window] autorelease];
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[presenter performSelectorOnMainThread:@selector(showAlert:)
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withObject:alert
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waitUntilDone:YES];
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int returnValue = 0;
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NSInteger clicked = presenter->clicked;
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if (clicked >= NSAlertFirstButtonReturn) {
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clicked -= NSAlertFirstButtonReturn;
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*buttonid = buttons[clicked].buttonid;
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} else {
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returnValue = SDL_SetError("Did not get a valid `clicked button' id: %ld", (long)clicked);
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}
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return returnValue;
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}}
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#endif /* SDL_VIDEO_DRIVER_COCOA */
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/* vi: set ts=4 sw=4 expandtab: */
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