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 /* 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. 22 */ 23 #define OPTS_VISITOR_RANGE_MAX 65536 24 25 typedef struct OptsVisitor OptsVisitor; 26 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. 32 */ 33 OptsVisitor *opts_visitor_new(const QemuOpts *opts); 34 void opts_visitor_cleanup(OptsVisitor *nv); 35 Visitor *opts_get_visitor(OptsVisitor *nv); 36 37 #endif 38