ReadConfig.cxx: fix exception if XDG_CONFIG_HOME isn't defined

MusicPlayerDaemon / mpdscribble

a MPD client which submits information about tracks being played to a scrobbler (e.g. last.fm)

GNU General Public License v2.0

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ReadConfig.cxx: fix exception if XDG_CONFIG_HOME isn't defined #35

Closed cstew2 closed 2 years ago

cstew2 commented 2 years ago

If getenv("XDG_CONFIG_HOME") returns a null pointer then it cannot be concatenated with a std::string. It should fall back to $HOME/.config as per the XDG specification anyway.