Henri Verbeet : d3d11: Introduce a helper function to allocate arrays.
Alexandre Julliard
julliard at winehq.org
Wed May 25 10:41:09 CDT 2016
Module: wine
Branch: master
Commit: c27b83ec07b9cb82438404a20342ed45c744b20a
URL: http://source.winehq.org/git/wine.git/?a=commit;h=c27b83ec07b9cb82438404a20342ed45c744b20a
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Tue May 24 19:46:45 2016 +0200
d3d11: Introduce a helper function to allocate arrays.
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/d3d11/d3d11_private.h | 7 +++++++
dlls/d3d11/inputlayout.c | 3 +--
dlls/d3d11/shader.c | 3 +--
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/dlls/d3d11/d3d11_private.h b/dlls/d3d11/d3d11_private.h
index b3638c3..77079bd 100644
--- a/dlls/d3d11/d3d11_private.h
+++ b/dlls/d3d11/d3d11_private.h
@@ -79,6 +79,13 @@ HRESULT d3d_set_private_data(struct wined3d_private_store *store,
HRESULT d3d_set_private_data_interface(struct wined3d_private_store *store,
REFGUID guid, const IUnknown *object) DECLSPEC_HIDDEN;
+static inline void *d3d11_calloc(SIZE_T count, SIZE_T size)
+{
+ if (count > ~(SIZE_T)0 / size)
+ return NULL;
+ return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, count * size);
+}
+
static inline void read_dword(const char **ptr, DWORD *d)
{
memcpy(d, *ptr, sizeof(*d));
diff --git a/dlls/d3d11/inputlayout.c b/dlls/d3d11/inputlayout.c
index d481dd2..69ef985 100644
--- a/dlls/d3d11/inputlayout.c
+++ b/dlls/d3d11/inputlayout.c
@@ -54,8 +54,7 @@ static HRESULT d3d11_input_layout_to_wined3d_declaration(const D3D11_INPUT_ELEME
return E_FAIL;
}
- *wined3d_elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(**wined3d_elements));
- if (!*wined3d_elements)
+ if (!(*wined3d_elements = d3d11_calloc(element_count, sizeof(**wined3d_elements))))
{
ERR("Failed to allocate wined3d vertex element array memory.\n");
HeapFree(GetProcessHeap(), 0, is.elements);
diff --git a/dlls/d3d11/shader.c b/dlls/d3d11/shader.c
index a88c8ce..b1c4f28 100644
--- a/dlls/d3d11/shader.c
+++ b/dlls/d3d11/shader.c
@@ -121,8 +121,7 @@ HRESULT shader_parse_signature(const char *data, DWORD data_size, struct wined3d
return E_INVALIDARG;
}
- e = HeapAlloc(GetProcessHeap(), 0, count * sizeof(*e));
- if (!e)
+ if (!(e = d3d11_calloc(count, sizeof(*e))))
{
ERR("Failed to allocate input signature memory.\n");
return E_OUTOFMEMORY;
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