Merge remote-tracking branch 'remotes/kvm/tags/for-upstream' into staging
[qemu/ar7.git] / include / qapi / opts-visitor.h
blobfd48c14ec828f7de33a4f975afec4ae5d18d8a52
1 /*
2 * Options Visitor
4 * Copyright Red Hat, Inc. 2012
6 * Author: Laszlo Ersek <lersek@redhat.com>
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.
13 #ifndef OPTS_VISITOR_H
14 #define OPTS_VISITOR_H
16 #include "qapi/visitor.h"
17 #include "qemu/option.h"
19 /* Inclusive upper bound on the size of any flattened range. This is a safety
20 * (= anti-annoyance) measure; wrong ranges should not cause long startup
21 * delays nor exhaust virtual memory.
23 #define OPTS_VISITOR_RANGE_MAX 65536
25 typedef struct OptsVisitor OptsVisitor;
27 /* Contrarily to qemu-option.c::parse_option_number(), OptsVisitor's "int"
28 * parser relies on strtoll() instead of strtoull(). Consequences:
29 * - string representations of negative numbers yield negative values,
30 * - values below INT64_MIN or LLONG_MIN are rejected,
31 * - values above INT64_MAX or LLONG_MAX are rejected.
33 OptsVisitor *opts_visitor_new(const QemuOpts *opts);
34 void opts_visitor_cleanup(OptsVisitor *nv);
35 Visitor *opts_get_visitor(OptsVisitor *nv);
37 #endif