utility fn.

git-svn-id: svn://svn.berlios.de/openocd/trunk@742 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/command.c

@@ -537,6 +537,21 @@ int command_run_file(command_context_t *context, FILE *file, enum command_mode m
 	return retval;
 }
 
+int command_run_linef(command_context_t *context, char *format, ...)
+{
+	int retval=ERROR_FAIL;
+	char *string;
+	va_list ap;
+	va_start(ap, format);
+	string = alloc_vprintf(format, ap);
+	if (string!=NULL)
+	{
+		retval=command_run_line(context, string);
+	}
+	va_end(ap);
+	return retval;
+}
+
 void command_print_help_line(command_context_t* context, struct command_s *command, int indent)
 {
 	command_t *c;

src/helper/command.h

@@ -74,6 +74,7 @@ extern int command_done(command_context_t *context);
 extern void command_print(command_context_t *context, char *format, ...);
 extern void command_print_sameline(command_context_t *context, char *format, ...);
 extern int command_run_line(command_context_t *context, char *line);
+extern int command_run_linef(command_context_t *context, char *format, ...);
 extern int command_run_line_internal(command_context_t *context, char *line);
 extern int command_run_file(command_context_t *context, FILE *file, enum command_mode mode);