util/mkhtemp: show path on error accessing it

a bit naughty the way i do it, but it works. without
this, the message gets clobbered by EINVAL due to
a bad call to vprintf in the err function.

in this way, we ensure that there is a path, and
thus the errno does not get clobbered. i also
removed the EPERM setting in the env_tmpdir
function, which also clobbered errno.

with this fix, if TMPDIR is set but invalid,
it should now show the error reliably.

Signed-off-by: Leah Rowe <leah@libreboot.org>

0 files changed, 0 insertions, 0 deletions