diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2017-01-02 11:53:31 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2017-01-02 11:54:49 +0000 |
| commit | 6431e2bff67e81b4aff4e3b52e67903e1cd566f3 (patch) | |
| tree | bb07c1dc8892b30294d33d8b4aed74f21e4a9c55 /tools | |
| parent | fbd5ec59cacf61199b9a054742d78644ea4fb6cc (diff) | |
ofz#372 check if ImplSplit succeeded
Change-Id: I1e34295fe3ee5f77e787f583616d52fa92a0eca4
(cherry picked from commit 62a97e6a561ce65e88d4c537a1b82c336f012722)
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/inc/poly.h | 2 | ||||
| -rw-r--r-- | tools/source/generic/poly.cxx | 13 |
2 files changed, 10 insertions, 5 deletions
diff --git a/tools/inc/poly.h b/tools/inc/poly.h index 3be118927435..8ed36ed26245 100644 --- a/tools/inc/poly.h +++ b/tools/inc/poly.h @@ -42,7 +42,7 @@ public: void ImplSetSize( sal_uInt16 nSize, bool bResize = true ); void ImplCreateFlagArray(); - void ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon const * pInitPoly = nullptr ); + bool ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon const * pInitPoly = nullptr ); }; #define MAX_POLYGONS ((sal_uInt16)0x3FF0) diff --git a/tools/source/generic/poly.cxx b/tools/source/generic/poly.cxx index a49d998b1354..6a1a5a22387c 100644 --- a/tools/source/generic/poly.cxx +++ b/tools/source/generic/poly.cxx @@ -212,11 +212,14 @@ void ImplPolygon::ImplSetSize( sal_uInt16 nNewSize, bool bResize ) mnPoints = nNewSize; } -void ImplPolygon::ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon const * pInitPoly ) +bool ImplPolygon::ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon const * pInitPoly ) { //Can't fit this in :-(, throw ? if (mnPoints + nSpace > USHRT_MAX) - return; + { + SAL_WARN("tools", "Polygon needs " << mnPoints + nSpace << " points, but only " << USHRT_MAX << " possible"); + return false; + } const sal_uInt16 nNewSize = mnPoints + nSpace; const std::size_t nSpaceSize = static_cast<std::size_t>(nSpace) * sizeof(Point); @@ -272,6 +275,8 @@ void ImplPolygon::ImplSplit( sal_uInt16 nPos, sal_uInt16 nSpace, ImplPolygon con mpPointAry = pNewAry; mnPoints = nNewSize; } + + return true; } void ImplPolygon::ImplCreateFlagArray() @@ -1473,8 +1478,8 @@ void Polygon::Insert( sal_uInt16 nPos, const Point& rPt ) if( nPos >= mpImplPolygon->mnPoints ) nPos = mpImplPolygon->mnPoints; - mpImplPolygon->ImplSplit( nPos, 1 ); - mpImplPolygon->mpPointAry[ nPos ] = rPt; + if (mpImplPolygon->ImplSplit(nPos, 1)) + mpImplPolygon->mpPointAry[ nPos ] = rPt; } void Polygon::Insert( sal_uInt16 nPos, const tools::Polygon& rPoly ) |