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comparison src/video/Xext/Xxf86vm/XF86VMode.c @ 2751:3411fb673d4b

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Merged r4082:4083 from branches/SDL-1.2: sparc64 crash fix.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 08 Sep 2008 07:38:41 +0000
parents c121d94672cb
children 0969758c8809
comparison
equal deleted inserted replaced
2750:e3affc66d963 2751:3411fb673d4b
206 Gamma->green = ((float) rep.green) / 10000.; 206 Gamma->green = ((float) rep.green) / 10000.;
207 Gamma->blue = ((float) rep.blue) / 10000.; 207 Gamma->blue = ((float) rep.blue) / 10000.;
208 UnlockDisplay(dpy); 208 UnlockDisplay(dpy);
209 SyncHandle(); 209 SyncHandle();
210 return True; 210 return True;
211 }
212
213 /* this is to prevent an unaligned memory write on CPUs that need that. */
214 static void
215 zap_ptr(char *ptr, size_t size)
216 {
217 memset(ptr, '\0', size);
211 } 218 }
212 219
213 Bool SDL_NAME(XF86VidModeGetModeLine) (dpy, screen, dotclock, modeline) 220 Bool SDL_NAME(XF86VidModeGetModeLine) (dpy, screen, dotclock, modeline)
214 Display * 221 Display *
215 dpy; 222 dpy;
283 return False; 290 return False;
284 } 291 }
285 _XRead(dpy, (char *) modeline->private, 292 _XRead(dpy, (char *) modeline->private,
286 modeline->privsize * sizeof(INT32)); 293 modeline->privsize * sizeof(INT32));
287 } else { 294 } else {
288 modeline->private = NULL; 295 zap_ptr((char *)&modeline->private, sizeof(modeline->private))
289 } 296 }
290 UnlockDisplay(dpy); 297 UnlockDisplay(dpy);
291 SyncHandle(); 298 SyncHandle();
292 return True; 299 return True;
293 } 300 }