Matthieu Moy <> writes:

> When $HOME is unset, home_config_paths fails and returns NULL pointers
> for user_config and xdg_config. Valgrind complains with Syscall param
> access(pathname) points to unaddressable byte(s).
> Don't call blindly access() on these variables, but test them for
> NULL-ness before.
> Signed-off-by: Matthieu Moy <>
> ---
>> This patch causes valgrind warnings in t1300.81 (get --path copes with
>> unset $HOME) about passing NULL to access():
> Indeed. The following patch should fix it.


Tested-by: Thomas Rast <>

Thomas Rast
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