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qapi: merge QInt and QFloat in QNum

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We would like to use a same QObject type to represent numbers, whether
they are int, uint, or floats. Getters will allow some compatibility
between the various types if the number fits other representations.

Add a few more tests while at it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[parse_stats_intervals() simplified a bit, comment in
test_visitor_in_int_overflow() tidied up, suppress bogus warnings]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2017-06-07 20:35:58 +04:00 • committed by Markus Armbruster
parent 58634047b7
commit 01b2ffcedd
65 changed files with 630 additions and 664 deletions
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46
include/qapi/qmp/qnum.h Normal file
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/*
* 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_DOUBLE
} QNumKind;
typedef struct QNum {
QObject base;
QNumKind kind;
union {
int64_t i64;
double dbl;
} u;
} QNum;
QNum *qnum_from_int(int64_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);
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 */