fb_ng: allow NULL argument for Save/RestoreScreen

Origin commit data
------------------
Branch: ni/coolstream
Commit: 10ffeedffc
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-03-24 (Sun, 24 Mar 2013)


------------------
No further description and justification available within origin commit message!

------------------
This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2013-03-24 19:21:51 +01:00
parent 99e081b006
commit 8879601b8e

View File

@@ -1068,7 +1068,7 @@ void CFrameBuffer::paintBackground()
void CFrameBuffer::SaveScreen(int x, int y, int dx, int dy, fb_pixel_t * const memp)
{
if (!getActive())
if (!getActive() || memp == NULL)
return;
uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
@@ -1095,7 +1095,7 @@ void CFrameBuffer::SaveScreen(int x, int y, int dx, int dy, fb_pixel_t * const m
void CFrameBuffer::RestoreScreen(int x, int y, int dx, int dy, fb_pixel_t * const memp)
{
if (!getActive())
if (!getActive() || memp == NULL)
return;
uint8_t * fbpos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;