opts-visitor.h (1201B)
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 18 /* Inclusive upper bound on the size of any flattened range. This is a safety 19 * (= anti-annoyance) measure; wrong ranges should not cause long startup 20 * delays nor exhaust virtual memory. 21 */ 22 #define OPTS_VISITOR_RANGE_MAX 65536 23 24 typedef struct OptsVisitor OptsVisitor; 25 26 /* Contrarily to qemu-option.c::parse_option_number(), OptsVisitor's "int" 27 * parser relies on strtoll() instead of strtoull(). Consequences: 28 * - string representations of negative numbers yield negative values, 29 * - values below INT64_MIN or LLONG_MIN are rejected, 30 * - values above INT64_MAX or LLONG_MAX are rejected. 31 * 32 * The Opts input visitor does not implement support for visiting QAPI 33 * alternates, numbers (other than integers), null, or arbitrary 34 * QTypes. It also requires a non-null list argument to 35 * visit_start_list(). 36 */ 37 Visitor *opts_visitor_new(const QemuOpts *opts); 38 39 #endif