XPutImage() Seg Fault
Glynn Clements
glynn at gclements.plus.com
Tue Jan 27 07:38:34 PST 2015
Richard Overstreet wrote:
> displaydata = (unsigned char *)calloc(ROWS*COLS*2, sizeof(unsigned char));
>
>
>
> Picture=XCreateImage(Monitor,DefaultVisual(Monitor,0),
> DefaultDepth(Monitor,0),
Is the display depth actually 16 bpp? If it's 32 bpp, the XPutImage
call will try to copy twice as much data as you've allocated, which
may well result in a segfault.
--
Glynn Clements <glynn at gclements.plus.com>
More information about the xorg
mailing list