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[cob] Fix assertion failure when file could not be opened. 

Check result of IOSystem::Open before constructing stream.

Partially addresses #3888.
pull/3890/head
Jason C 2021-05-05 17:30:29 -04:00
parent 116ebf6e10
commit 7f13387487
1 changed files with 7 additions and 1 deletions
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8
code/AssetLib/COB/COBLoader.cpp
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@ -137,7 +137,13 @@ void COBImporter::SetupProperties(const Importer * /*pImp*/) {
// Imports the given file into the given scene structure.
void COBImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
COB::Scene scene;
std::unique_ptr<StreamReaderLE> stream(new StreamReaderLE(pIOHandler->Open(pFile, "rb")));
auto file = pIOHandler->Open(pFile, "rb");
if (!file) {
ThrowException("Could not open " + pFile);
}
std::unique_ptr<StreamReaderLE> stream(new StreamReaderLE(file));
// check header
char head[32];