2005-08-26 Marcus Brinkmann <marcus@g10code.de>

* engine.h (engine_command_handler_t): Add new argument processed.
	* ops.h (_gpgme_passphrase_command_handler_internal): Rename
	prototype to ...
	(_gpgme_passphrase_command_handler): ... this one.
	* passphrase.c (_gpgme_passphrase_command_handler_internal):
	Rename to ...
	(_gpgme_passphrase_command_handler): ... this one.
	* edit.c (command_handler): Add new argument processed.  Remove
	local variable with the same name.  Always return processed as
	true.
	* rungpg.c (command_handler): Send a newline character if the
	handler did not.

TODO

@@ -6,6 +6,8 @@ Hey Emacs, this is -*- outline -*- mode!
 ** Add notation data to key signatures.
 
 * ABI's to break:
+** gpgme_edit_cb_t: Add "processed" return argument
+   (see edit.c::command_handler).
 ** I/O and User Data could be made extensible.  But this can be done
    without breaking the ABI hopefully.
 *  All enums that should be enums need to have a maximum value to ensure

gpgme/ChangeLog

@@ -1,3 +1,18 @@
+2005-08-26  Marcus Brinkmann  <marcus@g10code.de>
+
+	* engine.h (engine_command_handler_t): Add new argument processed.
+	* ops.h (_gpgme_passphrase_command_handler_internal): Rename
+	prototype to ...
+	(_gpgme_passphrase_command_handler): ... this one.
+	* passphrase.c (_gpgme_passphrase_command_handler_internal):
+	Rename to ...
+	(_gpgme_passphrase_command_handler): ... this one.
+	* edit.c (command_handler): Add new argument processed.  Remove
+	local variable with the same name.  Always return processed as
+	true.
+	* rungpg.c (command_handler): Send a newline character if the
+	handler did not.
+
 2005-08-26  Werner Koch  <wk@g10code.com>
 
 	* w32-util.c (read_w32_registry_string): Updated from code used by

gpgme/edit.c

@@ -63,21 +63,20 @@ edit_status_handler (void *priv, gpgme_status_code_t status, char *args)
 
 static gpgme_error_t
 command_handler (void *priv, gpgme_status_code_t status, const char *args,
-		 int fd)
+		 int fd, int *processed)
 {
   gpgme_ctx_t ctx = (gpgme_ctx_t) priv;
   gpgme_error_t err;
-  int processed = 0;
 
   if (ctx->passphrase_cb)
     {
-      err = _gpgme_passphrase_command_handler_internal (ctx, status, args,
-							fd, &processed);
+      err = _gpgme_passphrase_command_handler (ctx, status, args,
+					       fd, processed);
       if (err)
 	return err;
     }
 
-  if (!processed)
+  if (!*processed)
     {
       void *hook;
       op_data_t opd;
@@ -87,8 +86,14 @@ command_handler (void *priv, gpgme_status_code_t status, const char *args,
       if (err)
 	return err;
 
+      /* FIXME: We expect the user to handle _all_ status codes.
+	 Later, we may fix the callback interface to allow the user
+	 indicate if it processed the status code or not.  */
+      *processed = 1;
+
       return (*opd->fnc) (opd->fnc_value, status, args, fd);
     }
+
   return 0;
 }
 

gpgme/engine.h

@@ -34,7 +34,7 @@ typedef gpgme_error_t (*engine_colon_line_handler_t) (void *priv, char *line);
 typedef gpgme_error_t (*engine_command_handler_t) (void *priv,
 						   gpgme_status_code_t code,
 						   const char *keyword,
-						   int fd);
+						   int fd, int *processed);
 
 /* Get a deep copy of the engine info and return it in INFO.  */
 gpgme_error_t _gpgme_engine_info_copy (gpgme_engine_info_t *r_info);

gpgme/ops.h

@@ -103,9 +103,6 @@ gpgme_error_t _gpgme_passphrase_status_handler (void *priv,
 						gpgme_status_code_t code,
 						char *args);
 gpgme_error_t _gpgme_passphrase_command_handler (void *opaque,
-						 gpgme_status_code_t code,
-						 const char *key, int fd);
-gpgme_error_t _gpgme_passphrase_command_handler_internal (void *opaque,
 						 gpgme_status_code_t code,
 						 const char *key, int fd,
 						 int *processed);

gpgme/passphrase.c

@@ -116,10 +116,8 @@ _gpgme_passphrase_status_handler (void *priv, gpgme_status_code_t code,
 
 
 gpgme_error_t
-_gpgme_passphrase_command_handler_internal (void *priv,
-					    gpgme_status_code_t code,
-					    const char *key, int fd,
-					    int *processed)
+_gpgme_passphrase_command_handler (void *priv, gpgme_status_code_t code,
+				   const char *key, int fd, int *processed)
 {
   gpgme_ctx_t ctx = (gpgme_ctx_t) priv;
   gpgme_error_t err;
@@ -153,12 +151,3 @@ _gpgme_passphrase_command_handler_internal (void *priv,
 
   return 0;
 }
-
-
-gpgme_error_t
-_gpgme_passphrase_command_handler (void *priv, gpgme_status_code_t code,
-				   const char *key, int fd)
-{
-  return _gpgme_passphrase_command_handler_internal (priv, code, key, fd,
-						     NULL);
-}

gpgme/rungpg.c

@@ -478,15 +478,21 @@ command_handler (void *opaque, int fd)
 {
   gpgme_error_t err;
   engine_gpg_t gpg = (engine_gpg_t) opaque;
+  int processed = 0;
 
   assert (gpg->cmd.used);
   assert (gpg->cmd.code);
   assert (gpg->cmd.fnc);
 
-  err = gpg->cmd.fnc (gpg->cmd.fnc_value, gpg->cmd.code, gpg->cmd.keyword, fd);
+  err = gpg->cmd.fnc (gpg->cmd.fnc_value, gpg->cmd.code, gpg->cmd.keyword, fd,
+		      &processed);
   if (err)
     return err;
 
+  /* We always need to send at least a newline character.  */
+  if (!processed)
+    write (fd, "\n", 1);
+
   gpg->cmd.code = 0;
   /* And sleep again until read_status will wake us up again.  */
   /* XXX We must check if there are any more fds active after removing