Replace use of opt.homedir by accessor functions.
* common/homedir.c (the_gnupg_homedir): New var. (gnupg_set_homedir): New. (gnupg_homedir): New. * g10/options.h (struct opt): Remove 'homedir' and replace all users by the new accessor functions. * g13/g13-common.h (struct opt): Ditto. * scd/scdaemon.h (struct opt): Ditto. * sm/gpgsm.h (struct opt): Ditto. * dirmngr/dirmngr.h (struct opt): Ditto. * agent/preset-passphrase.c (opt_homedir): Ditto. * agent/protect-tool.c (opt_homedir): Ditto.
This will make detection of a non-default homedir easier.
- Signed-off-by: Werner Koch <wk@gnupg.org>