mlog: handle filenames without parent directories

eg, --log-file=foo.log

This would otherwise throw and crash with a stack overflow
This commit is contained in:
moneromooo-monero 2018-07-26 14:50:23 +01:00
parent 702a41034d
commit 262e391fb1
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@ -142,7 +142,9 @@ void mlog_configure(const std::string &filename_base, bool console, const std::s
{ {
std::vector<boost::filesystem::path> found_files; std::vector<boost::filesystem::path> found_files;
const boost::filesystem::directory_iterator end_itr; const boost::filesystem::directory_iterator end_itr;
for (boost::filesystem::directory_iterator iter(boost::filesystem::path(filename_base).parent_path()); iter != end_itr; ++iter) const boost::filesystem::path filename_base_path(filename_base);
const boost::filesystem::path parent_path = filename_base_path.has_parent_path() ? filename_base_path.parent_path() : ".";
for (boost::filesystem::directory_iterator iter(parent_path); iter != end_itr; ++iter)
{ {
const std::string filename = iter->path().string(); const std::string filename = iter->path().string();
if (filename.size() >= filename_base.size() && std::memcmp(filename.data(), filename_base.data(), filename_base.size()) == 0) if (filename.size() >= filename_base.size() && std::memcmp(filename.data(), filename_base.data(), filename_base.size()) == 0)