behavior_info: Mark CopyErrorInfo as const

This doesn't modify member state.

We can also mark the parameter of AppendError as const as well, since it
isn't modified.

src/audio_core/renderer/behavior/behavior_info.cpp

@@ -34,7 +34,7 @@ void BehaviorInfo::ClearError() {
     error_count = 0;
 }
 
-void BehaviorInfo::AppendError(ErrorInfo& error) {
+void BehaviorInfo::AppendError(const ErrorInfo& error) {
     LOG_ERROR(Service_Audio, "Error during RequestUpdate, reporting code {:04X} address {:08X}",
               error.error_code.raw, error.address);
     if (error_count < MaxErrors) {
@@ -42,7 +42,7 @@ void BehaviorInfo::AppendError(ErrorInfo& error) {
     }
 }
 
-void BehaviorInfo::CopyErrorInfo(std::span<ErrorInfo> out_errors, u32& out_count) {
+void BehaviorInfo::CopyErrorInfo(std::span<ErrorInfo> out_errors, u32& out_count) const {
     out_count = std::min(error_count, MaxErrors);
 
     for (size_t i = 0; i < MaxErrors; i++) {

src/audio_core/renderer/behavior/behavior_info.h

@@ -94,7 +94,7 @@ public:
      *
      * @param error - The new error.
      */
-    void AppendError(ErrorInfo& error);
+    void AppendError(const ErrorInfo& error);
 
     /**
      * Copy errors to the given output container.
@@ -102,7 +102,7 @@ public:
      * @param out_errors - Output container to receive the errors.
      * @param out_count  - The number of errors written.
      */
-    void CopyErrorInfo(std::span<ErrorInfo> out_errors, u32& out_count);
+    void CopyErrorInfo(std::span<ErrorInfo> out_errors, u32& out_count) const;
 
     /**
      * Update the behaviour flags.

src/audio_core/renderer/behavior/info_updater.cpp

@@ -485,7 +485,7 @@ Result InfoUpdater::UpdateBehaviorInfo(BehaviorInfo& behaviour_) {
     return ResultSuccess;
 }
 
-Result InfoUpdater::UpdateErrorInfo(BehaviorInfo& behaviour_) {
+Result InfoUpdater::UpdateErrorInfo(const BehaviorInfo& behaviour_) {
     auto out_params{reinterpret_cast<BehaviorInfo::OutStatus*>(output)};
     behaviour_.CopyErrorInfo(out_params->errors, out_params->error_count);
 

src/audio_core/renderer/behavior/info_updater.h

@@ -130,7 +130,7 @@ public:
      * @param behaviour - Behaviour to update.
      * @return Result code.
      */
-    Result UpdateErrorInfo(BehaviorInfo& behaviour);
+    Result UpdateErrorInfo(const BehaviorInfo& behaviour);
 
     /**
      * Update splitter.