Was looking into a crash in our code and I found out that strftime() is not thread-safe as it uses getenv() internally.
When going over the rest of the code to make sure it isn't used anywhere else, I found libevent uses it in HTTP server code.
It is used In http.c evhttp_make_header() to generate the Date header. This makes the HTTP server code not thread-safe. If setenv() in another thread...
Amir Szekely
