* src/gpgme.h.in (gpgme_ctx_set_engine_options): New prototype.
(gpgme_ctx_get_engine_options): Ditto.
* src/engine-backend.h (engine_ops): Add set_options and get_options.
* src/engine.c (gpgme_ctx_set_engine_options): New.
(gpgme_ctx_get_engine_options): Ditto.
* src/engine-gpg.c (gpg_set_options): New.
(gpg_get_options): Ditto.
* src/op-support.c (_gpgme_op_reset): Keep custom options.
* src/engine-gpg.c (_gpgme_engine_ops_gpg): Adjust for new members.
* src/engine-assuan.c (_gpgme_engine_ops_assuan): Ditto.
* src/engine-g13.c (_gpgme_engine_ops_g13): Ditto.
* src/engine-gpgconf.c (_gpgme_engine_ops_gpgconf): Ditto.
* src/engine-gpgsm.c (_gpgme_engine_ops_gpgsm): Ditto.
* src/engine-spawn.c (_gpgme_engine_ops_spawn): Ditto.
* src/engine-uiserver.c (_gpgme_engine_ops_uiserver): Ditto.
* src/gpgme.def: Export new symbols.
* src/libgpgme.vers: Ditto.
* doc/gpgme.texi: Document these new functions.
--
Not all of gpg2's features are exposed to libgpgme and adding these
functions makes it possible to do things like specify an --s2k-count,
etc.
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