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virtfs: Avoid crash if handler cannot be loaded.

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For example, if it was renamed or is for the wrong OS.
This commit is contained in:
Unknown W. Brackets 2016-08-06 19:23:46 -07:00
parent ad01fee44a
commit 25c320aa4b
1 changed files with 4 additions and 1 deletions
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5
Core/FileSystems/VirtualDiscFileSystem.cpp
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@ -112,13 +112,16 @@ void VirtualDiscFileSystem::LoadFileListIndex() {
size_t handler_pos = line.find(':', filename_pos);
if (handler_pos != line.npos) {
entry.fileName = line.substr(filename_pos, handler_pos - filename_pos);
std::string handler = line.substr(handler_pos + 1);
size_t trunc = handler.find_last_not_of("\r\n");
if (trunc != handler.npos && trunc != handler.size())
handler.resize(trunc + 1);
if (handlers.find(handler) == handlers.end())
handlers[handler] = new Handler(handler.c_str(), this);
entry.handler = handlers[handler];
if (handlers[handler]->IsValid())
entry.handler = handlers[handler];
} else {
entry.fileName = line.substr(filename_pos);
}