diff options
Diffstat (limited to 'qemu/include/qapi/opts-visitor.h')
-rw-r--r-- | qemu/include/qapi/opts-visitor.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/qemu/include/qapi/opts-visitor.h b/qemu/include/qapi/opts-visitor.h new file mode 100644 index 000000000..fd48c14ec --- /dev/null +++ b/qemu/include/qapi/opts-visitor.h @@ -0,0 +1,37 @@ +/* + * Options Visitor + * + * Copyright Red Hat, Inc. 2012 + * + * Author: Laszlo Ersek <lersek@redhat.com> + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#ifndef OPTS_VISITOR_H +#define OPTS_VISITOR_H + +#include "qapi/visitor.h" +#include "qemu/option.h" + +/* Inclusive upper bound on the size of any flattened range. This is a safety + * (= anti-annoyance) measure; wrong ranges should not cause long startup + * delays nor exhaust virtual memory. + */ +#define OPTS_VISITOR_RANGE_MAX 65536 + +typedef struct OptsVisitor OptsVisitor; + +/* Contrarily to qemu-option.c::parse_option_number(), OptsVisitor's "int" + * parser relies on strtoll() instead of strtoull(). Consequences: + * - string representations of negative numbers yield negative values, + * - values below INT64_MIN or LLONG_MIN are rejected, + * - values above INT64_MAX or LLONG_MAX are rejected. + */ +OptsVisitor *opts_visitor_new(const QemuOpts *opts); +void opts_visitor_cleanup(OptsVisitor *nv); +Visitor *opts_get_visitor(OptsVisitor *nv); + +#endif |