Method

JsonObjectget_double_member_with_default

since: 1.6

Declaration [src]

double
json_object_get_double_member_with_default (
  JsonObject* object,
  const char* member_name,
  double default_value
)

Description [src]

Convenience function that retrieves the floating point value stored in member_name of object.

If member_name does not exist, does not contain a scalar value, or contains null, then default_value is returned instead. If member_name contains a non-double, non-null scalar value, then whatever json_node_get_double() would return is returned.

Available since: 1.6

Parameters

member_name

Type: const char*

The name of the object member.

The data is owned by the caller of the method.

The value is a NUL terminated UTF-8 string.

default_value

Type: double

The value to return if member_name is not valid.

Return value

Type: double

The floating point value of the object’s member, or the given default.