Signed-off-by: Henri Verbeet hverbeet@codeweavers.com --- dlls/d2d1/bitmap.c | 6 ++++-- dlls/d2d1/brush.c | 4 ++-- dlls/d2d1/d2d1_private.h | 9 +++++++++ dlls/d2d1/geometry.c | 6 +++--- dlls/d2d1/render_target.c | 4 ++-- dlls/d2d1/stroke.c | 2 +- 6 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/dlls/d2d1/bitmap.c b/dlls/d2d1/bitmap.c index 43ed094..028fab3 100644 --- a/dlls/d2d1/bitmap.c +++ b/dlls/d2d1/bitmap.c @@ -509,9 +509,11 @@ HRESULT d2d_bitmap_create_from_wic_bitmap(ID2D1Factory *factory, ID3D10Device *d }
pitch = ((bpp * size.width) + 15) & ~15; - data_size = pitch * size.height; - if (!(data = heap_alloc(data_size))) + if (pitch / bpp < size.width) return E_OUTOFMEMORY; + if (!(data = d2d_calloc(size.height, pitch))) + return E_OUTOFMEMORY; + data_size = size.height * pitch;
rect.X = 0; rect.Y = 0; diff --git a/dlls/d2d1/brush.c b/dlls/d2d1/brush.c index 6759019..0531a3a 100644 --- a/dlls/d2d1/brush.c +++ b/dlls/d2d1/brush.c @@ -142,7 +142,7 @@ HRESULT d2d_gradient_create(ID2D1Factory *factory, ID3D10Device *device, const D unsigned int i; HRESULT hr;
- if (!(data = heap_alloc_zero(2 * stop_count * sizeof(*data)))) + if (!(data = d2d_calloc(stop_count, 2 * sizeof(*data)))) { ERR("Failed to allocate data.\n"); return E_OUTOFMEMORY; @@ -205,7 +205,7 @@ HRESULT d2d_gradient_create(ID2D1Factory *factory, ID3D10Device *device, const D (*gradient)->view = view;
(*gradient)->stop_count = stop_count; - if (!((*gradient)->stops = heap_alloc(stop_count * sizeof(*stops)))) + if (!((*gradient)->stops = d2d_calloc(stop_count, sizeof(*stops)))) { ID3D10ShaderResourceView_Release(view); heap_free(*gradient); diff --git a/dlls/d2d1/d2d1_private.h b/dlls/d2d1/d2d1_private.h index caeb4b9..2c10252 100644 --- a/dlls/d2d1/d2d1_private.h +++ b/dlls/d2d1/d2d1_private.h @@ -477,6 +477,15 @@ void d2d_transformed_geometry_init(struct d2d_geometry *geometry, ID2D1Factory * ID2D1Geometry *src_geometry, const D2D_MATRIX_3X2_F *transform) DECLSPEC_HIDDEN; struct d2d_geometry *unsafe_impl_from_ID2D1Geometry(ID2D1Geometry *iface) DECLSPEC_HIDDEN;
+static inline void *d2d_calloc(size_t count, size_t size) +{ + SIZE_T s = count * size; + + if (size && s / size != count) + return NULL; + return heap_alloc(s); +} + static inline void d2d_matrix_multiply(D2D_MATRIX_3X2_F *a, const D2D_MATRIX_3X2_F *b) { D2D_MATRIX_3X2_F tmp = *a; diff --git a/dlls/d2d1/geometry.c b/dlls/d2d1/geometry.c index 88beee2..c805084 100644 --- a/dlls/d2d1/geometry.c +++ b/dlls/d2d1/geometry.c @@ -2052,7 +2052,7 @@ static HRESULT d2d_path_geometry_triangulate(struct d2d_geometry *geometry) return S_OK; }
- if (!(vertices = heap_alloc(vertex_count * sizeof(*vertices)))) + if (!(vertices = d2d_calloc(vertex_count, sizeof(*vertices)))) return E_OUTOFMEMORY;
for (i = 0, j = 0; i < geometry->u.path.figure_count; ++i) @@ -2819,8 +2819,8 @@ static HRESULT d2d_geometry_resolve_beziers(struct d2d_geometry *geometry) geometry->fill.bezier_vertex_count += 3 * geometry->u.path.figures[i].bezier_control_count; }
- if (!(geometry->fill.bezier_vertices = heap_alloc(geometry->fill.bezier_vertex_count - * sizeof(*geometry->fill.bezier_vertices)))) + if (!(geometry->fill.bezier_vertices = d2d_calloc(geometry->fill.bezier_vertex_count, + sizeof(*geometry->fill.bezier_vertices)))) { ERR("Failed to allocate bezier vertices array.\n"); geometry->fill.bezier_vertex_count = 0; diff --git a/dlls/d2d1/render_target.c b/dlls/d2d1/render_target.c index 73f15f7..cc820cf 100644 --- a/dlls/d2d1/render_target.c +++ b/dlls/d2d1/render_target.c @@ -1175,12 +1175,12 @@ static void d2d_rt_draw_glyph_run_bitmap(struct d2d_d3d_render_target *render_ta
if (texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1) bitmap_size.width *= 3; - opacity_values_size = bitmap_size.width * bitmap_size.height; - if (!(opacity_values = heap_alloc(opacity_values_size))) + if (!(opacity_values = d2d_calloc(bitmap_size.height, bitmap_size.width))) { ERR("Failed to allocate opacity values.\n"); goto done; } + opacity_values_size = bitmap_size.height * bitmap_size.width;
if (FAILED(hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, texture_type, &bounds, opacity_values, opacity_values_size))) diff --git a/dlls/d2d1/stroke.c b/dlls/d2d1/stroke.c index a0830e3..63f88c7 100644 --- a/dlls/d2d1/stroke.c +++ b/dlls/d2d1/stroke.c @@ -212,7 +212,7 @@ HRESULT d2d_stroke_style_init(struct d2d_stroke_style *style, ID2D1Factory *fact if (!dashes || !dash_count) return E_INVALIDARG;
- if (!(style->dashes = heap_alloc(dash_count * sizeof(*style->dashes)))) + if (!(style->dashes = d2d_calloc(dash_count, sizeof(*style->dashes)))) return E_OUTOFMEMORY; memcpy(style->dashes, dashes, dash_count * sizeof(*style->dashes)); style->dash_count = dash_count;