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fix review finding: dereference after null-check.

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This commit is contained in:
Kim Kulling
2018-12-31 14:47:54 +01:00
parent 425a784b23
commit c63b1a1fd5
2 changed files with 10 additions and 9 deletions
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16
code/EmbedTexturesProcess.cpp
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@@ -124,26 +124,28 @@ bool EmbedTexturesProcess::addTexture(aiScene* pScene, std::string path) const {
file.read(reinterpret_cast<char*>(imageContent), imageSize);
// Enlarging the textures table
auto textureId = pScene->mNumTextures++;
unsigned int textureId = pScene->mNumTextures++;
auto oldTextures = pScene->mTextures;
pScene->mTextures = new aiTexture*[pScene->mNumTextures];
memmove(pScene->mTextures, oldTextures, sizeof(aiTexture*) * (pScene->mNumTextures - 1u));
::memmove(pScene->mTextures, oldTextures, sizeof(aiTexture*) * (pScene->mNumTextures - 1u));
// Add the new texture
auto pTexture = new aiTexture();
auto pTexture = new aiTexture;
pTexture->mHeight = 0; // Means that this is still compressed
pTexture->mWidth = static_cast<uint32_t>(imageSize);
pTexture->pcData = imageContent;
auto extension = path.substr(path.find_last_of('.') + 1u);
std::transform(extension.begin(), extension.end(), extension.begin(), ::tolower);
if (extension == "jpeg") extension = "jpg";
if (extension == "jpeg") {
extension = "jpg";
}
size_t len = extension.size();
if (len > HINTMAXTEXTURELEN -1) {
if (len > HINTMAXTEXTURELEN -1 ) {
len = HINTMAXTEXTURELEN - 1;
}
strncpy(pTexture->achFormatHint, extension.c_str(), len);
::strncpy(pTexture->achFormatHint, extension.c_str(), len);
pScene->mTextures[textureId] = pTexture;
return true;