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Add patch 1239754 from Moe. This patches fixes a few crashes by checking the SDL_SetMode return value and it changes strncopy to a safe_strncopy which adds a 0 to each string copied

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2240
This commit is contained in:
Peter Veenstra 2005-07-19 19:45:33 +00:00
parent 3429a18dc4
commit c7c2ee5d5a
14 changed files with 56 additions and 41 deletions
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23
src/gui/sdlmain.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: sdlmain.cpp,v 1.85 2005-05-18 21:59:58 qbix79 Exp $ */
/* $Id: sdlmain.cpp,v 1.86 2005-07-19 19:45:32 qbix79 Exp $ */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
@ -316,18 +316,24 @@ static SDL_Surface * GFX_SetupSurfaceScaled(Bit32u sdl_flags,Bit32u bpp) {
}
sdl.clip.x=(Sint16)((sdl.desktop.width-sdl.clip.w)/2);
sdl.clip.y=(Sint16)((sdl.desktop.height-sdl.clip.h)/2);
return sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.desktop.width,sdl.desktop.height,bpp,SDL_GetError());
return sdl.surface;
} else {
sdl.clip.x=0;sdl.clip.y=0;
sdl.clip.w=(Bit16u)(sdl.draw.width*sdl.draw.scalex);
sdl.clip.h=(Bit16u)(sdl.draw.height*sdl.draw.scaley);
return sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_FULLSCREEN|SDL_HWSURFACE);
if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.clip.w,sdl.clip.h,bpp,SDL_GetError());
return sdl.surface;
}
} else {
sdl.clip.x=0;sdl.clip.y=0;
sdl.clip.w=(Bit16u)(sdl.draw.width*sdl.draw.scalex*sdl.desktop.hwscale);
sdl.clip.h=(Bit16u)(sdl.draw.height*sdl.draw.scaley*sdl.desktop.hwscale);
return sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_HWSURFACE);
sdl.surface=SDL_SetVideoMode(sdl.clip.w,sdl.clip.h,bpp,sdl_flags|SDL_HWSURFACE);
if (sdl.surface == NULL) E_Exit("Could not set windowed video mode %ix%i-%i: %s",sdl.clip.w,sdl.clip.h,bpp,SDL_GetError());
return sdl.surface;
}
}
@ -357,14 +363,17 @@ dosurface:
sdl.clip.y=(Sint16)((sdl.desktop.height-height)/2);
sdl.surface=SDL_SetVideoMode(sdl.desktop.width,sdl.desktop.height,bpp,
SDL_FULLSCREEN|SDL_HWSURFACE|(sdl.desktop.doublebuf ? SDL_DOUBLEBUF|SDL_ASYNCBLIT : 0)|SDL_HWPALETTE);
if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",sdl.desktop.width,sdl.desktop.height,bpp,SDL_GetError());
} else {
sdl.clip.x=0;sdl.clip.y=0;
sdl.surface=SDL_SetVideoMode(width,height,bpp,
SDL_FULLSCREEN|SDL_HWSURFACE|(sdl.desktop.doublebuf ? SDL_DOUBLEBUF|SDL_ASYNCBLIT : 0)|SDL_HWPALETTE);
if (sdl.surface == NULL) E_Exit("Could not set fullscreen video mode %ix%i-%i: %s",width,height,bpp,SDL_GetError());
}
} else {
sdl.clip.x=0;sdl.clip.y=0;
sdl.surface=SDL_SetVideoMode(width,height,bpp,SDL_HWSURFACE);
if (sdl.surface == NULL) E_Exit("Could not set windowed video mode %ix%i-%i: %s",width,height,bpp,SDL_GetError());
}
if (sdl.surface) switch (sdl.surface->format->BitsPerPixel) {
case 8:sdl.draw.mode=GFX_8;break;
@ -857,6 +866,10 @@ static void GUI_StartUp(Section * sec) {
#if C_OPENGL
if(sdl.desktop.want_type==SCREEN_OPENGL){ /* OPENGL is requested */
sdl.surface=SDL_SetVideoMode(640,400,0,SDL_OPENGL);
if (sdl.surface == NULL) {
LOG_MSG("Could not initialize OpenGL, switching back to surface");
sdl.desktop.want_type=SCREEN_SURFACE;
} else {
sdl.opengl.framebuf=0;
sdl.opengl.texture=0;
sdl.opengl.displaylist=0;
@ -877,11 +890,13 @@ static void GUI_StartUp(Section * sec) {
} else {
sdl.opengl.packed_pixel=sdl.opengl.paletted_texture=false;
}
}
} /* OPENGL is requested end */
#endif //OPENGL
/* Initialize screen for first time */
sdl.surface=SDL_SetVideoMode(640,400,0,0);
if (sdl.surface == NULL) E_Exit("Could not initialize video: %s",SDL_GetError());
sdl.desktop.bpp=sdl.surface->format->BitsPerPixel;
if (sdl.desktop.bpp==24) {
LOG_MSG("SDL:You are running in 24 bpp mode, this will slow down things!");