[PATCH 1/3] util: add virJSONValueObjectAppendBooleanTristate

[Nikolay Shirokovskiy]

It appends boolean from virTristateBool/virTristateSwitch value.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy at virtuozzo.com>
---
 src/libvirt_private.syms |  1 +
 src/util/virjson.c       | 25 +++++++++++++++++++++++++
 src/util/virjson.h       |  1 +
 3 files changed, 27 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 179dcec..f7f133c 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -2386,6 +2386,7 @@ virJSONValueObjectAdd;
 virJSONValueObjectAddVArgs;
 virJSONValueObjectAppend;
 virJSONValueObjectAppendBoolean;
+virJSONValueObjectAppendBooleanTristate;
 virJSONValueObjectAppendNull;
 virJSONValueObjectAppendNumberDouble;
 virJSONValueObjectAppendNumberInt;
diff --git a/src/util/virjson.c b/src/util/virjson.c
index 4f92464..78ddc4b 100644
--- a/src/util/virjson.c
+++ b/src/util/virjson.c
@@ -767,6 +767,31 @@ virJSONValueObjectAppendBoolean(virJSONValuePtr object,
 
 
 int
+virJSONValueObjectAppendBooleanTristate(virJSONValuePtr object,
+                                        const char *key,
+                                        int value)
+{
+    g_autoptr(virJSONValue) jvalue = NULL;
+    int v;
+
+    if (value == VIR_TRISTATE_SWITCH_ABSENT)
+        return 0;
+
+    if (value == VIR_TRISTATE_SWITCH_OFF)
+        v = 0;
+    else
+        v = 1;
+
+    jvalue = virJSONValueNewBoolean(v);
+    if (virJSONValueObjectAppend(object, key, jvalue) < 0)
+        return -1;
+    jvalue = NULL;
+
+    return 0;
+}
+
+
+int
 virJSONValueObjectAppendNull(virJSONValuePtr object,
                              const char *key)
 {
diff --git a/src/util/virjson.h b/src/util/virjson.h
index 4dc7ed1..aa4ae82 100644
--- a/src/util/virjson.h
+++ b/src/util/virjson.h
@@ -137,6 +137,7 @@ int virJSONValueObjectAppendNumberLong(virJSONValuePtr object, const char *key,
 int virJSONValueObjectAppendNumberUlong(virJSONValuePtr object, const char *key, unsigned long long number);
 int virJSONValueObjectAppendNumberDouble(virJSONValuePtr object, const char *key, double number);
 int virJSONValueObjectAppendBoolean(virJSONValuePtr object, const char *key, int boolean);
+int virJSONValueObjectAppendBooleanTristate(virJSONValuePtr object, const char *key, int value);
 int virJSONValueObjectAppendNull(virJSONValuePtr object, const char *key);
 
 int virJSONValueObjectRemoveKey(virJSONValuePtr object, const char *key,
-- 
1.8.3.1