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view src/video/x11/SDL_x11modes.h @ 4511:ae7799d16c87

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Daniel Wyatt 2010-03-26 14:52:53 PDT If a non-console Windows SDL program has a non-quoted 0th argument followed optionally by more non-quoted arguments and then by an empty quoted argument, it will crash (attempts to dereference a NULL pointer). In other words, something like this: test.exe [non-quoted args] "" [...] The fix is a one-liner in ParseCommandLine() of src/main/win32/SDL_win32_main.c. You can test this with any non-console SDL program on windows like this: 1) Open a console (cmd.exe) 2) Launch the program in one of the following ways: program "" program arg1 "" program arg1 "" arg3 These will not cause a crash: "program" [...] program "arg1" "" When a Windows program is launched from Explorer, its 0th argument seems to always be quoted, so it won't be a problem in that case. I've tested this on Windows XP SP3 and Windows 7.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 12 Jul 2010 22:08:50 -0700
parents f7b03b6838cb
children 073b86030262
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2010 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifndef _SDL_x11modes_h
#define _SDL_x11modes_h

typedef struct
{
    int screen;
    Visual *visual;
    int depth;
    int scanline_pad;

    int use_xinerama;
    int use_xrandr;
    int use_vidmode;

#if SDL_VIDEO_DRIVER_X11_XINERAMA
      SDL_NAME(XineramaScreenInfo) xinerama_info;
#endif
#if SDL_VIDEO_DRIVER_X11_XRANDR
    XRRScreenConfiguration *screen_config;
    int saved_size;
    Rotation saved_rotation;
    short saved_rate;
#endif
#if SDL_VIDEO_DRIVER_X11_VIDMODE
      SDL_NAME(XF86VidModeModeInfo) saved_mode;
    struct
    {
        int x, y;
    } saved_view;
#endif

} SDL_DisplayData;

extern int X11_InitModes(_THIS);
extern void X11_GetDisplayModes(_THIS, SDL_VideoDisplay * display);
extern int X11_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
extern void X11_QuitModes(_THIS);

#endif /* _SDL_x11modes_h */

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