core: Add gpgme_op_query_swdb and helper.

* src/gpgme.h.in (gpgme_query_swdb_result_t): New.
(gpgme_op_query_swdb): New.
(gpgme_op_query_swdb_result): New.
* src/libgpgme.vers, src/gpgme.def: Add the two new functions.
* src/queryswdb.c: New.
* src/Makefile.am (main_sources): Add new file.
* src/context.h (OPDATA_QUERY_SWDB): New.
* src/engine-backend.h (struct engine_ops): Add field 'query_swdb'.
Adjust all initializer.
* src/engine.c (_gpgme_engine_op_query_swdb): New.
* src/engine-gpgconf.c (parse_swdb_line): New.
(gpgconf_query_swdb): New.
(_gpgme_engine_ops_gpgconf): Register that function.

* src/util.h (GPG_ERR_TOO_OLD): Define for older libgpg-error.
(GPG_ERR_ENGINE_TOO_OLD): Ditto.

* tests/run-swdb.c: New.
* tests/Makefile.am (noinst_PROGRAMS): Add new debug tool.

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 1474b411..a1be6e7e 100644
--- a/src/util.h
+++ b/src/util.h
@@ -49,6 +49,11 @@
 # define GPG_ERR_FALSE 256
 #endif
 
+#if GPG_ERROR_VERSION_NUMBER < 0x011900 /* 1.25 */
+# define GPG_ERR_ENGINE_TOO_OLD 300
+# define GPG_ERR_TOO_OLD        308
+#endif
+
 #ifndef GPGRT_ATTR_SENTINEL
 # define GPGRT_ATTR_SENTINEL(a)  /* */
 #endif