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qnum: add uint type

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In order to store integer values between INT64_MAX and UINT64_MAX, add
a uint64_t internal representation.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170607163635.17635-10-marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Marc-André Lureau 2017-06-07 20:36:01 +04:00 • committed by Markus Armbruster
parent 36aeb6094f
commit 61a8f418b2
3 changed files with 119 additions and 0 deletions
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7
include/qapi/qmp/qnum.h
View file

@ -19,6 +19,7 @@
typedef enum {
QNUM_I64,
QNUM_U64,
QNUM_DOUBLE
} QNumKind;
@ -27,15 +28,21 @@ typedef struct QNum {
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);