From 4f2d652e60700e03809307a10015ff9003ac3579 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Thu, 10 Apr 2014 13:01:00 +0200
Subject: Add GPGME_PROTOCOL_SPAWN and gpgme_op_spawn.

* src/gpgme.h.in (GPGME_PROTOCOL_SPAWN): New.
(GPGME_SPAWN_DETACHED, GPGME_SPAWN_ALLOW_SET_FG): New.
* src/gpgme.c (gpgme_set_protocol): Add new protocol.
(gpgme_get_protocol_name): Ditto.
* src/spawn.c: New.
* src/libgpgme.vers, src/gpgme.def: Add new public functions.
* src/engine-spawn.c: New.
* src/Makefile.am: Add new files.
* src/engine-backend.h (struct engine_ops): Add OPSPAWN.
* src/engine.c (engine_ops): Add _gpgme_engine_ops_spawn.
(gpgme_get_engine_info): Add Spawn to the list of protocols.
(_gpgme_engine_op_spawn): New.

* src/gpgme-tool.c (gt_protocol_from_name): Add new protocol.
(gt_spawn, cmd_spawn): New.
---
 src/engine.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

(limited to 'src/engine.c')

diff --git a/src/engine.c b/src/engine.c
index 4f2000c2..f5034306 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -51,10 +51,11 @@ static struct engine_ops *engine_ops[] =
     &_gpgme_engine_ops_assuan,		/* Low-Level Assuan.  */
     &_gpgme_engine_ops_g13,		/* Crypto VFS.  */
 #ifdef ENABLE_UISERVER
-    &_gpgme_engine_ops_uiserver		/* UI-Server.  */
+    &_gpgme_engine_ops_uiserver,	/* UI-Server.  */
 #else
-    NULL
+    NULL,
 #endif
+    &_gpgme_engine_ops_spawn
   };
 
 
@@ -193,7 +194,8 @@ gpgme_get_engine_info (gpgme_engine_info_t *info)
 					GPGME_PROTOCOL_GPGCONF,
 					GPGME_PROTOCOL_ASSUAN,
 					GPGME_PROTOCOL_G13,
-					GPGME_PROTOCOL_UISERVER };
+					GPGME_PROTOCOL_UISERVER,
+                                        GPGME_PROTOCOL_SPAWN    };
       unsigned int proto;
 
       err = 0;
@@ -936,3 +938,20 @@ _gpgme_engine_set_pinentry_mode (engine_t engine, gpgme_pinentry_mode_t mode)
 
   return (*engine->ops->set_pinentry_mode) (engine->engine, mode);
 }
+
+
+gpgme_error_t
+_gpgme_engine_op_spawn (engine_t engine,
+                        const char *file, const char *argv[],
+                        gpgme_data_t datain,
+                        gpgme_data_t dataout, gpgme_data_t dataerr)
+{
+  if (!engine)
+    return gpg_error (GPG_ERR_INV_VALUE);
+
+  if (!engine->ops->opspawn)
+    return gpg_error (GPG_ERR_NOT_IMPLEMENTED);
+
+  return (*engine->ops->opspawn) (engine->engine, file, argv,
+                                  datain, dataout, dataerr);
+}
-- 
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