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fb_ng: allow NULL argument for Save/RestoreScreen

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This commit is contained in:
Stefan Seyfried
2013-03-24 19:21:51 +01:00
parent a0c277eaac
commit 10ffeedffc
1 changed files with 2 additions and 2 deletions
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4
src/driver/framebuffer_ng.cpp
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@@ -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;