2004-02-26 Marcus Brinkmann <marcus@g10code.de>

* gpgconf-comp.c (change_options_program): Support all types of
	options, including list types.

tools/ChangeLog

@@ -1,5 +1,8 @@
 2004-02-26  Marcus Brinkmann  <marcus@g10code.de>
 
+	* gpgconf-comp.c (change_options_program): Support all types of
+	options, including list types.
+
 	* README.gpgconf: Fix description of arguments.
 	* gpgconf-comp.c (option_check_validity): Rewritten to properly
 	support optional arguments in lists.

tools/README.gpgconf

@@ -412,3 +412,11 @@ TODO
 * Extend the backend interface to include gettext domain and
 description, if available, to avoid repeating this information in
 gpgconf.
+
+* Left out string arguments (optional) are written out exactly as
+empty string arguments.  Should we do quoting?
+
+* More string argument trouble: Special characters like newlines etc
+cause trouble.  Again, should we do quoting?
+
+

tools/gpgconf-comp.c

@@ -1474,22 +1474,74 @@ change_options_program (gc_component_t component, gc_backend_t backend,
   option = gc_component[component].options;
   while (option->name)
     {
-      /* FIXME: Add support for lists and default arg (new_value eq "").  */
       if (!(option->flags & GC_OPT_FLAG_GROUP)
 	  && option->backend == backend
-	  && option->new_value
+	  && option->new_value)
-	  && *option->new_value)
+	{
+	  char *arg = option->new_value;
+
+	  do
+	    {
+	      if (*arg == '\0' || *arg == ',')
 		{
-	  if (gc_arg_type[option->arg_type].fallback == GC_ARG_TYPE_STRING)
-	    fprintf (src_file, "%s %s\n", option->name,
-		     percent_deescape (&option->new_value[1]));
-	  else if (option->arg_type == GC_ARG_TYPE_NONE)
 		  fprintf (src_file, "%s\n", option->name);
-	  else
-	    fprintf (src_file, "%s %s\n", option->name, option->new_value);
 		  if (ferror (src_file))
 		    goto change_one_err;
 		}
+	      else if (gc_arg_type[option->arg_type].fallback
+		       == GC_ARG_TYPE_NONE)
+		{
+		  assert (*arg == '1');
+		  fprintf (src_file, "%s\n", option->name);
+		  if (ferror (src_file))
+		    goto change_one_err;
+
+		  arg++;
+		}
+	      else if (gc_arg_type[option->arg_type].fallback
+		       == GC_ARG_TYPE_STRING)
+		{
+		  char *end;
+		  
+		  assert (*arg == '"');
+		  arg++;
+		  
+		  end = strchr (arg, ',');
+		  if (end)
+		    *end = '\0';
+
+		  fprintf (src_file, "%s %s\n", option->name,
+			   percent_deescape (arg));
+		  if (ferror (src_file))
+		    goto change_one_err;
+
+		  if (end)
+		    *end = ',';
+		  arg = end;
+		}
+	      else
+		{
+		  char *end;
+
+		  end = strchr (arg, ',');
+		  if (end)
+		    *end = '\0';
+
+		  fprintf (src_file, "%s %s\n", option->name, arg);
+		  if (ferror (src_file))
+		    goto change_one_err;
+
+		  if (end)
+		    *end = ',';
+		  arg = end;
+		}
+
+	      assert (arg == NULL || *arg == '\0' || *arg == ',');
+	      if (arg && *arg == ',')
+		arg++;
+	    }
+	  while (arg && *arg);
+	}
       option++;
     }
 
@@ -1692,6 +1744,7 @@ gc_component_change_options (int component, FILE *in)
 	  
       option++;
     }
+
   if (!err)
     {
       int i;