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logging: Fix potential use-after-free in LogPrintStr(...)

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This commit is contained in:
practicalswift 2018-05-02 10:43:17 +02:00
parent 57c57df86f
commit 76f344de6d
1 changed files with 5 additions and 2 deletions
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7
src/logging.cpp
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@ -222,8 +222,11 @@ int BCLog::Logger::LogPrintStr(const std::string &str)
// reopen the log file, if requested
if (m_reopen_file) {
m_reopen_file = false;
if (fsbridge::freopen(m_file_path,"a",m_fileout) != nullptr)
setbuf(m_fileout, nullptr); // unbuffered
m_fileout = fsbridge::freopen(m_file_path, "a", m_fileout);
if (!m_fileout) {
return ret;
}
setbuf(m_fileout, nullptr); // unbuffered
}
ret = FileWriteStr(strTimestamped, m_fileout);