✨feat(hos_client_create, hos_client_destory): 多次调用destory不会导致重复释放

support/aws-sdk-cpp-master/aws-cpp-sdk-iam/source/IAMEndpoint.cpp

@@ -0,0 +1,64 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/iam/IAMEndpoint.h>
+#include <aws/core/utils/memory/stl/AWSStringStream.h>
+#include <aws/core/utils/HashingUtils.h>
+
+using namespace Aws;
+using namespace Aws::IAM;
+
+namespace Aws
+{
+namespace IAM
+{
+namespace IAMEndpoint
+{
+
+  static const int CN_NORTH_1_HASH = Aws::Utils::HashingUtils::HashString("cn-north-1");
+  static const int US_GOV_WEST_1_HASH = Aws::Utils::HashingUtils::HashString("us-gov-west-1");
+  static const int US_ISO_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-iso-east-1");
+  static const int US_GOV_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-gov-east-1");
+  static const int CN_NORTHWEST_1_HASH = Aws::Utils::HashingUtils::HashString("cn-northwest-1");
+  static const int US_ISOB_EAST_1_HASH = Aws::Utils::HashingUtils::HashString("us-isob-east-1");
+
+  Aws::String ForRegion(const Aws::String& regionName, bool useDualStack)
+  {
+    auto hash = Aws::Utils::HashingUtils::HashString(regionName.c_str());
+
+    if(!useDualStack)
+    {
+      if(hash == CN_NORTH_1_HASH)
+      {
+        return "iam.cn-north-1.amazonaws.com.cn";
+      }
+      if(hash == US_GOV_WEST_1_HASH)
+      {
+        return "iam.us-gov.amazonaws.com";
+      }
+      if(hash == US_ISO_EAST_1_HASH)
+      {
+        return "iam.us-iso-east-1.c2s.ic.gov";
+      }
+      if(hash == US_GOV_EAST_1_HASH)
+      {
+        return "iam.us-gov.amazonaws.com";
+      }
+      if(hash == CN_NORTHWEST_1_HASH)
+      {
+        return "iam.cn-north-1.amazonaws.com.cn";
+      }
+      if(hash == US_ISOB_EAST_1_HASH)
+      {
+        return "iam.us-isob-east-1.sc2s.sgov.gov";
+      }
+    }
+    return "iam.amazonaws.com";
+  }
+
+} // namespace IAMEndpoint
+} // namespace IAM
+} // namespace Aws
+