Martin Ågren <martin.agren@xxxxxxxxx> writes: > On Fri, 24 Jan 2020 at 04:41, <emilyshaffer@xxxxxxxxxx> wrote: >> + char *shell = NULL; > > (Unnecessary initialization.) > >> + shell = getenv("SHELL"); >> + strbuf_addf(sys_info, "$SHELL (typically, interactive shell): %s\n", >> + shell ? shell : "(NULL)"); > > Thanks for avoiding a classic pitfall. :-) > > "<unused>" instead of "(NULL)"? "NULL" is mostly an implementation > detail. Isn't that <unset>?