include/qapi/opts-visitor.h

   1 /*
   2  * Options Visitor
   3  *
   4  * Copyright Red Hat, Inc. 2012
   5  *
   6  * Author: Laszlo Ersek <lersek@redhat.com>
   7  *
   8  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   9  * See the COPYING.LIB file in the top-level directory.
  10  *
  11  */
  12
  13 #ifndef OPTS_VISITOR_H
  14 #define OPTS_VISITOR_H
  15
  16 #include "qapi/visitor.h"
  17 #include "qemu-option.h"
  18
  19 typedef struct OptsVisitor OptsVisitor;
  20
  21 /* Contrarily to qemu-option.c::parse_option_number(), OptsVisitor's "int"
  22  * parser relies on strtoll() instead of strtoull(). Consequences:
  23  * - string representations of negative numbers yield negative values,
  24  * - values below INT64_MIN or LLONG_MIN are rejected,
  25  * - values above INT64_MAX or LLONG_MAX are rejected.
  26  */
  27 OptsVisitor *opts_visitor_new(const QemuOpts *opts);
  28 void opts_visitor_cleanup(OptsVisitor *nv);
  29 Visitor *opts_get_visitor(OptsVisitor *nv);
  30
  31 #endif