[PATCH 4/8] qnum: qnum_value_is_equal() function

[Eduardo Habkost <ehabkost@redhat.com>]

Extract the QNum value comparison logic to a function that takes
QNumValue* as argument.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 include/qapi/qmp/qnum.h |  1 +
 qobject/qnum.c          | 29 +++++++++++++++++++----------
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/include/qapi/qmp/qnum.h b/include/qapi/qmp/qnum.h
index 62fbdfda68..0327ecd0f0 100644
--- a/include/qapi/qmp/qnum.h
+++ b/include/qapi/qmp/qnum.h
@@ -106,6 +106,7 @@ double qnum_get_double(const QNum *qn);
 
 char *qnum_to_string(QNum *qn);
 
+bool qnum_value_is_equal(const QNumValue *num_x, const QNumValue *num_y);
 bool qnum_is_equal(const QObject *x, const QObject *y);
 void qnum_destroy_obj(QObject *obj);
 
diff --git a/qobject/qnum.c b/qobject/qnum.c
index f80d4efd76..6a0f948b16 100644
--- a/qobject/qnum.c
+++ b/qobject/qnum.c
@@ -207,9 +207,9 @@ char *qnum_to_string(QNum *qn)
 }
 
 /**
- * qnum_is_equal(): Test whether the two QNums are equal
- * @x: QNum object
- * @y: QNum object
+ * qnum_value_is_equal(): Test whether two QNumValues are equal
+ * @num_x: QNum value
+ * @num_y: QNum value
  *
  * Negative integers are never considered equal to unsigned integers,
  * but positive integers in the range [0, INT64_MAX] are considered
@@ -217,13 +217,8 @@ char *qnum_to_string(QNum *qn)
  *
  * Doubles are never considered equal to integers.
  */
-bool qnum_is_equal(const QObject *x, const QObject *y)
+bool qnum_value_is_equal(const QNumValue *num_x, const QNumValue *num_y)
 {
-    const QNum *qnum_x = qobject_to(QNum, x);
-    const QNum *qnum_y = qobject_to(QNum, y);
-    const QNumValue *num_x = &qnum_x->value;
-    const QNumValue *num_y = &qnum_y->value;
-
     switch (num_x->kind) {
     case QNUM_I64:
         switch (num_y->kind) {
@@ -241,7 +236,7 @@ bool qnum_is_equal(const QObject *x, const QObject *y)
     case QNUM_U64:
         switch (num_y->kind) {
         case QNUM_I64:
-            return qnum_is_equal(y, x);
+            return qnum_value_is_equal(num_y, num_x);
         case QNUM_U64:
             /* Comparison in native uint64_t type */
             return num_x->u.u64 == num_y->u.u64;
@@ -264,6 +259,20 @@ bool qnum_is_equal(const QObject *x, const QObject *y)
     abort();
 }
 
+/**
+ * qnum_is_equal(): Test whether the two QNums are equal
+ * @x: QNum object
+ * @y: QNum object
+ *
+ * See qnum_value_is_equal() for details on the comparison rules.
+ */
+bool qnum_is_equal(const QObject *x, const QObject *y)
+{
+    const QNum *qnum_x = qobject_to(QNum, x);
+    const QNum *qnum_y = qobject_to(QNum, y);
+    return qnum_value_is_equal(&qnum_x->value, &qnum_y->value);
+}
+
 /**
  * qnum_destroy_obj(): Free all memory allocated by a QNum object
  *
-- 
2.28.0