daemon: complain if data dir resides on FAT32 volume (Windows)

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xiphon 2020-05-21 15:21:09 +00:00 committed by wowario
parent 365a9ecacd
commit ac3c9e9dc7
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1 changed files with 21 additions and 0 deletions

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@ -107,6 +107,20 @@ uint16_t parse_public_rpc_port(const po::variables_map &vm)
return rpc_port;
}
#ifdef WIN32
bool isFat32(const wchar_t* root_path)
{
std::vector<wchar_t> fs(MAX_PATH + 1);
if (!::GetVolumeInformationW(root_path, nullptr, 0, nullptr, 0, nullptr, &fs[0], MAX_PATH))
{
MERROR("Failed to get '" << root_path << "' filesystem name. Error code: " << ::GetLastError());
return false;
}
return wcscmp(L"FAT32", &fs[0]) == 0;
}
#endif
int main(int argc, char const * argv[])
{
try {
@ -233,6 +247,13 @@ int main(int argc, char const * argv[])
boost::filesystem::path data_dir = boost::filesystem::absolute(
command_line::get_arg(vm, cryptonote::arg_data_dir));
#ifdef WIN32
if (isFat32(data_dir.root_name().c_str()))
{
MERROR("Data directory resides on FAT32 volume that has 4GiB file size limit, blockchain might get corrupted.");
}
#endif
// FIXME: not sure on windows implementation default, needs further review
//bf::path relative_path_base = daemonizer::get_relative_path_base(vm);
bf::path relative_path_base = data_dir;