qnum: add uint type

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>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/qapi/qmp/qnum.h b/include/qapi/qmp/qnum.h
index e42b136141..09d745c490 100644
--- a/include/qapi/qmp/qnum.h
+++ b/include/qapi/qmp/qnum.h
@@ -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);