Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Don't crash in wxDisplay::GetCurrentMode() if there is no support

Browse Source 
Display sample crashed on startup if XFree86-VidModeExtension extension was
not available.

Add missing error checking to avoid this.
This commit is contained in:
Vadim Zeitlin
2016-05-19 23:52:27 +02:00
parent 596399f2ec
commit 4c09d12a91
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/unix/displayx11.cpp
View File

@@ -219,7 +219,9 @@ wxVideoMode wxXF86VidMode_GetCurrentMode(Display* display, int nScreen)
{ {
XF86VidModeModeLine VM; XF86VidModeModeLine VM;
int nDotClock; int nDotClock;
XF86VidModeGetModeLine(display, nScreen, &nDotClock, &VM); if ( !XF86VidModeGetModeLine(display, nScreen, &nDotClock, &VM) )
return wxVideoMode();
wxClearXVM(VM); wxClearXVM(VM);
return wxCVM2(VM, nDotClock, display, nScreen); return wxCVM2(VM, nDotClock, display, nScreen);
} }