diff options
| author | David Tardon <dtardon@redhat.com> | 2013-01-25 11:57:01 +0100 |
|---|---|---|
| committer | David Tardon <dtardon@redhat.com> | 2013-02-04 08:09:57 +0100 |
| commit | adec665d2ca5265f8cad5fcd0063678909b160c9 (patch) | |
| tree | 993b2ab1fcf7a22a9a5e24cd166afa543cef056d /svtools | |
| parent | 35a45a4508ca4156ebaa4f17df776a971084160d (diff) | |
rhbz#903615 avoid null ptr dereference
Change-Id: I336e3fffaaa42605b5fab2821c85c473635fbf27
Diffstat (limited to 'svtools')
| -rw-r--r-- | svtools/source/contnr/svimpbox.cxx | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/svtools/source/contnr/svimpbox.cxx b/svtools/source/contnr/svimpbox.cxx index 6e602076edf8..5d4dd0276f79 100644 --- a/svtools/source/contnr/svimpbox.cxx +++ b/svtools/source/contnr/svimpbox.cxx @@ -348,6 +348,9 @@ IMPL_LINK( SvImpLBox, ScrollUpDownHdl, ScrollBar *, pScrollBar ) void SvImpLBox::CursorDown() { + if (!pStartEntry) + return; + SvTreeListEntry* pNextFirstToDraw = pView->NextVisible(pStartEntry); if( pNextFirstToDraw ) { @@ -366,6 +369,9 @@ void SvImpLBox::CursorDown() void SvImpLBox::CursorUp() { + if (!pStartEntry) + return; + SvTreeListEntry* pPrevFirstToDraw = pView->PrevVisible(pStartEntry); if( pPrevFirstToDraw ) { @@ -391,6 +397,9 @@ void SvImpLBox::PageDown( sal_uInt16 nDelta ) if( !nDelta ) return; + if (!pStartEntry) + return; + SvTreeListEntry* pNext = pView->NextVisible(pStartEntry, nRealDelta); if( (sal_uLong)pNext == (sal_uLong)pStartEntry ) return; @@ -428,6 +437,9 @@ void SvImpLBox::PageUp( sal_uInt16 nDelta ) if( !nDelta ) return; + if (!pStartEntry) + return; + SvTreeListEntry* pPrev = pView->PrevVisible(pStartEntry, nRealDelta); if( (sal_uLong)pPrev == (sal_uLong)pStartEntry ) return; |