commit 53b02f78bd5330bcf50eab88c7279cdb475505ee
author Yi Kong <yikong@google.com> Thu Jul 26 17:13:50 2018 -0700
committer Yi Kong <yikong@google.com> Thu Jul 26 17:13:50 2018 -0700
tree 9b6ea8c890382b17fe253d98604faf0da19a9c59
parent 9835d2ca30e5b94c3e49d52f77d6ee0700ce02f3

Use std::move to avoid unnecessary copying

Test: m
Change-Id: I28160db16368d592ac5ffdffc443029ffc6493c2

keystore/keystore_cli_v2.cpp

diff --git a/keystore/keystore_cli_v2.cpp b/keystore/keystore_cli_v2.cpp
index 95fc491..dac0120 100644
--- a/keystore/keystore_cli_v2.cpp
+++ b/keystore/keystore_cli_v2.cpp
@@ -124,7 +124,7 @@
             .Digest(Digest::SHA_2_384)
             .Digest(Digest::SHA_2_512);
     }
-    return parameters;
+    return std::move(parameters);
 }
 
 AuthorizationSet GetRSAEncryptParameters(uint32_t key_size) {
@@ -133,7 +133,7 @@
         .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT)
         .Padding(PaddingMode::RSA_OAEP)
         .Authorization(TAG_NO_AUTH_REQUIRED);
-    return parameters;
+    return std::move(parameters);
 }
 
 AuthorizationSet GetECDSAParameters(uint32_t key_size, bool sha256_only) {
@@ -146,7 +146,7 @@
             .Digest(Digest::SHA_2_384)
             .Digest(Digest::SHA_2_512);
     }
-    return parameters;
+    return std::move(parameters);
 }
 
 AuthorizationSet GetAESParameters(uint32_t key_size, bool with_gcm_mode) {
@@ -161,7 +161,7 @@
         parameters.Authorization(TAG_BLOCK_MODE, BlockMode::CTR);
         parameters.Padding(PaddingMode::NONE);
     }
-    return parameters;
+    return std::move(parameters);
 }
 
 AuthorizationSet GetHMACParameters(uint32_t key_size, Digest digest) {
@@ -170,7 +170,7 @@
         .Digest(digest)
         .Authorization(TAG_MIN_MAC_LENGTH, 224)
         .Authorization(TAG_NO_AUTH_REQUIRED);
-    return parameters;
+    return std::move(parameters);
 }
 
 std::vector<TestCase> GetTestCases() {