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wicdec: (msvs) quiet some /analyze warnings

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add additional return checks and asserts to avoid:
C6102: Using 'XXX' from failed function call ...

Change-Id: I51f5fa630324e0cd7b2d9fceefecb4f4021474b1
This commit is contained in:
James Zern 2015-01-16 17:43:36 -08:00
parent 5487529368
commit 9b228b5416
1 changed files with 4 additions and 2 deletions
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6
examples/wicdec.c
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@ -15,6 +15,7 @@
#include "webp/config.h"
#endif
#include <assert.h>
#include <stdio.h>
#ifdef HAVE_WINCODEC_H
@ -109,6 +110,7 @@ static HRESULT ExtractICCP(IWICImagingFactory* const factory,
IFS(IWICBitmapFrameDecode_GetColorContexts(frame,
count, color_contexts,
&num_color_contexts));
assert(FAILED(hr) || num_color_contexts <= count);
for (i = 0; SUCCEEDED(hr) && i < num_color_contexts; ++i) {
WICColorContextType type;
IFS(IWICColorContext_GetType(color_contexts[i], &type));
@ -116,7 +118,7 @@ static HRESULT ExtractICCP(IWICImagingFactory* const factory,
UINT size;
IFS(IWICColorContext_GetProfileBytes(color_contexts[i],
0, NULL, &size));
if (size > 0) {
if (SUCCEEDED(hr) && size > 0) {
iccp->bytes = (uint8_t*)malloc(size);
if (iccp->bytes == NULL) {
hr = E_OUTOFMEMORY;
@ -261,7 +263,7 @@ int ReadPictureWithWIC(const char* const filename,
IFS(IWICBitmapFrameDecode_GetPixelFormat(frame, &src_pixel_format));
IFS(IWICBitmapDecoder_GetContainerFormat(decoder, &src_container_format));
if (keep_alpha) {
if (SUCCEEDED(hr) && keep_alpha) {
const GUID** guid;
for (guid = kAlphaContainers; *guid != NULL; ++guid) {
if (IsEqualGUID(MAKE_REFGUID(src_container_format),