unicorn/qemu/include/qapi/qmp/qnum.h
Marc-André Lureau 6ca6050206
qnum: add uint type
In order to store integer values between INT64_MAX and UINT64_MAX, add
a uint64_t internal representation.

Backports commit 61a8f418b26a2d974e38e4ae55020aca8d402d88 from qemu
2018-03-03 18:37:56 -05:00

53 lines
1.1 KiB
C

/*
* QNum Module
*
* Copyright (C) 2009 Red Hat Inc.
*
* Authors:
* Luiz Capitulino <lcapitulino@redhat.com>
* Anthony Liguori <aliguori@us.ibm.com>
* Marc-André Lureau <marcandre.lureau@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 QNUM_H
#define QNUM_H
#include "qapi/qmp/qobject.h"
typedef enum {
QNUM_I64,
QNUM_U64,
QNUM_DOUBLE
} QNumKind;
typedef struct QNum {
QObject base;
QNumKind kind;
union {
int64_t i64;
uint64_t u64;
double dbl;
} u;
} QNum;
QNum *qnum_from_int(int64_t value);
QNum *qnum_from_uint(uint64_t value);
QNum *qnum_from_double(double value);
bool qnum_get_try_int(const QNum *qn, int64_t *val);
int64_t qnum_get_int(const QNum *qn);
bool qnum_get_try_uint(const QNum *qn, uint64_t *val);
uint64_t qnum_get_uint(const QNum *qn);
double qnum_get_double(QNum *qn);
char *qnum_to_string(QNum *qn);
QNum *qobject_to_qnum(const QObject *obj);
void qnum_destroy_obj(QObject *obj);
#endif /* QNUM_H */