commit c9968630bcfe0d3ad7fc3c4629c2ab6305d52dc9
author Prashanth Swaminathan <prashanthsw@google.com> Wed Feb 03 13:13:35 2021 -0800
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> Sat Feb 06 02:41:39 2021 +0000
tree bf297c125eee721c427a060e567ebcfdde1d7192
parent 28f82182e26674dd561db8033dd269e1c187944c

pw_tokenizer: Add attributes on unused variables

Appends [[maybe_unused]] to variables that are unused.

Change-Id: Id469b4723c505956bf23666ccd164f56bffe84cd
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/31762
Commit-Queue: Prashanth Swaminathan <prashanthsw@google.com>
Pigweed-Auto-Submit: Prashanth Swaminathan <prashanthsw@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>

pw_tokenizer/token_database_fuzzer.cc

diff --git a/pw_tokenizer/token_database_fuzzer.cc b/pw_tokenizer/token_database_fuzzer.cc
index 3e243c8..9391f87 100644
--- a/pw_tokenizer/token_database_fuzzer.cc
+++ b/pw_tokenizer/token_database_fuzzer.cc
@@ -54,10 +54,8 @@
     // Since we don't "use" the contents of the entry, we exercise
     // the entry by extracting its contents into volatile variables
     // to prevent it from being optimized out during compilation.
-    volatile const char* entry_string = entry.string;
-    volatile uint32_t entry_token = entry.token;
-    PW_UNUSED(entry_string);
-    PW_UNUSED(entry_token);
+    [[maybe_unused]] volatile const char* entry_string = entry.string;
+    [[maybe_unused]] volatile uint32_t entry_token = entry.token;
   }
 }
 
@@ -121,8 +119,7 @@
   // specified in the API.
   std::span<uint8_t> data_span(buffer, data_size);
   auto token_database = TokenDatabase::Create<std::span<uint8_t>>(data_span);
-  volatile auto match = token_database.Find(random_token);
-  PW_UNUSED(match);
+  [[maybe_unused]] volatile auto match = token_database.Find(random_token);
 
   IterateOverDatabase(&token_database);