Fix catching by value

Pointed out by LGTM.
Change-Id: I223655c728305f6f45b3738553da5b7d7a69e8c8
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2134
Reviewed-by: Adrien Destugues <[email protected]>

src/add-ons/print/drivers/gutenprint/GPJob.cpp

@@ -518,7 +518,7 @@ GPJob::Write(const char* data, size_t size)
 {
 	try {
 		fOutputStream->Write(data, size);
-	} catch (TransportException e) {
+	} catch (TransportException& e) {
 		fStatus = B_IO_ERROR;
 	}
 }

src/apps/deskcalc/CalcView.cpp

@@ -1124,7 +1124,7 @@ CalcView::_EvaluateThread(void* data)
 		BString expression(calcView->fExpressionTextView->Text());
 		try {
 			result = parser.Evaluate(expression.String());
-		} catch (ParseException e) {
+		} catch (ParseException& e) {
 			result << e.message.String() << " at " << (e.position + 1);
 			status = B_ERROR;
 		}

src/apps/deskcalc/DeskCalc.cpp

@@ -37,7 +37,7 @@ main(int argc, char* argv[])
 			ExpressionParser parser;
 			BString result = parser.Evaluate(expression.String());
 			printf("%s\n", result.String());
-		} catch (ParseException e) {
+		} catch (ParseException& e) {
 			printf("%s at %" B_PRId32 "\n", e.message.String(), e.position + 1);
 			return 1;
 		}

src/apps/haikudepot/model/PackageManager.cpp

@@ -148,7 +148,7 @@ public:
 		const char* packageNameString = packageName.String();
 		try {
 			fPackageManager->Install(&packageNameString, 1);
-		} catch (BFatalErrorException ex) {
+		} catch (BFatalErrorException& ex) {
 			BString errorString;
 			errorString.SetToFormat(
 				"Fatal error occurred while installing package %s: "
@@ -162,18 +162,18 @@ public:
 			_SetDownloadedPackagesState(NONE);
 			ref->SetState(state);
 			return ex.Error();
-		} catch (BAbortedByUserException ex) {
+		} catch (BAbortedByUserException& ex) {
 			fprintf(stderr, "Installation of package "
 				"%s aborted by user: %s\n", packageNameString,
 				ex.Message().String());
 			_SetDownloadedPackagesState(NONE);
 			ref->SetState(state);
 			return B_OK;
-		} catch (BNothingToDoException ex) {
+		} catch (BNothingToDoException& ex) {
 			fprintf(stderr, "Nothing to do while installing package "
 				"%s: %s\n", packageNameString, ex.Message().String());
 			return B_OK;
-		} catch (BException ex) {
+		} catch (BException& ex) {
 			fprintf(stderr, "Exception occurred while installing package "
 				"%s: %s\n", packageNameString, ex.Message().String());
 			_SetDownloadedPackagesState(NONE);
@@ -273,7 +273,7 @@ public:
 		const char* packageName = ref->Name().String();
 		try {
 			fPackageManager->Uninstall(&packageName, 1);
-		} catch (BFatalErrorException ex) {
+		} catch (BFatalErrorException& ex) {
 			BString errorString;
 			errorString.SetToFormat(
 				"Fatal error occurred while uninstalling package %s: "
@@ -286,11 +286,11 @@ public:
 				alert->Go();
 			ref->SetState(state);
 			return ex.Error();
-		} catch (BAbortedByUserException ex) {
+		} catch (BAbortedByUserException& ex) {
 			return B_OK;
-		} catch (BNothingToDoException ex) {
+		} catch (BNothingToDoException& ex) {
 			return B_OK;
-		} catch (BException ex) {
+		} catch (BException& ex) {
 			fprintf(stderr, "Exception occurred while uninstalling package "
 				"%s: %s\n", packageName, ex.Message().String());
 			ref->SetState(state);
@@ -634,11 +634,11 @@ PackageManager::RefreshRepository(const BRepositoryConfig& repoConfig)
 	status_t result;
 	try {
 		result = BPackageManager::RefreshRepository(repoConfig);
-	} catch (BFatalErrorException ex) {
+	} catch (BFatalErrorException& ex) {
 		fprintf(stderr, "Fatal error occurred while refreshing repository: "
 			"%s (%s)\n", ex.Message().String(), ex.Details().String());
 		result = ex.Error();
-	} catch (BException ex) {
+	} catch (BException& ex) {
 		fprintf(stderr, "Exception occurred while refreshing "
 			"repository: %s\n", ex.Message().String());
 		result = B_ERROR;
@@ -656,12 +656,12 @@ PackageManager::DownloadPackage(const BString& fileURL,
 	try {
 		result = BPackageManager::DownloadPackage(fileURL, targetEntry,
 			checksum);
-	} catch (BFatalErrorException ex) {
+	} catch (BFatalErrorException& ex) {
 		fprintf(stderr, "Fatal error occurred while downloading package: "
 			"%s: %s (%s)\n", fileURL.String(), ex.Message().String(),
 			ex.Details().String());
 		result = ex.Error();
-	} catch (BException ex) {
+	} catch (BException& ex) {
 		fprintf(stderr, "Exception occurred while downloading package "
 			"%s: %s\n", fileURL.String(), ex.Message().String());
 		result = B_ERROR;

src/apps/haikudepot/server/LocalPkgDataLoadProcess.cpp

@@ -130,7 +130,7 @@ LocalPkgDataLoadProcess::RunInternal()
  	try {
  		manager.Init(PackageManager::B_ADD_INSTALLED_REPOSITORIES
  			| PackageManager::B_ADD_REMOTE_REPOSITORIES);
- 	} catch (BException ex) {
+	} catch (BException& ex) {
  		BString message(B_TRANSLATE("An error occurred while "
  			"initializing the package manager: %message%"));
  		message.ReplaceFirst("%message%", ex.Message());
@@ -362,12 +362,12 @@ LocalPkgDataLoadProcess::RunInternal()
  					it->second->SetSystemDependency(true);
  			}
  		}
- 	} catch (BFatalErrorException ex) {
+	} catch (BFatalErrorException& ex) {
  		printf("Fatal exception occurred while resolving system dependencies: "
  			"%s, details: %s\n", strerror(ex.Error()), ex.Details().String());
- 	} catch (BNothingToDoException) {
+	} catch (BNothingToDoException&) {
  		// do nothing
- 	} catch (BException ex) {
+	} catch (BException& ex) {
  		printf("Exception occurred while resolving system dependencies: %s\n",
  			ex.Message().String());
  	} catch (...) {

src/apps/haikudepot/server/LocalRepositoryUpdateProcess.cpp

@@ -112,9 +112,9 @@ LocalRepositoryUpdateProcess::_RunForRepositoryName(const BString& repoName,
 				BRefreshRepositoryRequest refreshRequest(context, repoConfig);
 				result = refreshRequest.Process();
 				result = B_OK;
-			} catch (BFatalErrorException ex) {
+			} catch (BFatalErrorException& ex) {
 				_NotifyError(ex.Message(), ex.Details());
-			} catch (BException ex) {
+			} catch (BException& ex) {
 				_NotifyError(ex.Message());
 			}
 		}

src/apps/softwareupdater/CheckAction.cpp

@@ -51,21 +51,21 @@ CheckAction::Perform()
 		int packageCount = 0;
 		const char* const packages = "";
 		fCheckManager->Update(&packages, packageCount);
-	} catch (BFatalErrorException ex) {
+	} catch (BFatalErrorException& ex) {
 		fprintf(stderr, B_TRANSLATE(
 				"Fatal error while checking for updates: %s\n"),
 			ex.Message().String());
 		be_app->PostMessage(kMsgFinalQuit);
 		return ex.Error();
-	} catch (BAbortedByUserException ex) {
+	} catch (BAbortedByUserException& ex) {
 		be_app->PostMessage(kMsgFinalQuit);
 		return B_OK;
-	} catch (BNothingToDoException ex) {
+	} catch (BNothingToDoException& ex) {
 		puts(B_TRANSLATE("There were no updates found."));
 		fCheckManager->NoUpdatesNotification();
 		be_app->PostMessage(kMsgFinalQuit);
 		return B_OK;
-	} catch (BException ex) {
+	} catch (BException& ex) {
 		fprintf(stderr, B_TRANSLATE(
 				"Exception occurred while checking for updates: %s\n"),
 			ex.Message().String());

src/apps/softwareupdater/UpdateAction.cpp

@@ -73,25 +73,25 @@ UpdateAction::Perform(update_type action_request)
 			throw BException(B_TRANSLATE(
 				"Invalid update type, cannot continue with updates"));
 	
-	} catch (BFatalErrorException ex) {
+	} catch (BFatalErrorException& ex) {
 		fUpdateManager->FinalUpdate(B_TRANSLATE("Updates did not complete"),
 			ex.Message());
 		return ex.Error();
-	} catch (BAbortedByUserException ex) {
+	} catch (BAbortedByUserException& ex) {
 		if (fVerbose)
 			fprintf(stderr, "Updates aborted by user: %s\n",
 				ex.Message().String());
 		// No need for a final message since user initiated cancel request
 		be_app->PostMessage(kMsgFinalQuit);
 		return B_OK;
-	} catch (BNothingToDoException ex) {
+	} catch (BNothingToDoException& ex) {
 		if (fVerbose)
 			fprintf(stderr, "Nothing to do while updating packages : %s\n",
 				ex.Message().String());
 		fUpdateManager->FinalUpdate(B_TRANSLATE("No updates available"),
 			B_TRANSLATE("There were no updates found."));
 		return B_OK;
-	} catch (BException ex) {
+	} catch (BException& ex) {
 		if (fVerbose)
 			fprintf(stderr, B_TRANSLATE(
 				"Exception occurred while updating packages : %s\n"),

src/kits/debug/SymbolLookup.cpp

@@ -278,7 +278,7 @@ SymbolLookup::Init()
 				TRACE(("SymbolLookup::Init(): translated debug area is at: %p, "
 					"loaded_images: %p\n", fDebugArea, fDebugArea->loaded_images));
 			}
-		} catch (Exception exception) {
+		} catch (Exception& exception) {
 			// we can live without the debug area
 		}
 	}

src/kits/debug/debug_support.cpp

@@ -368,7 +368,7 @@ debug_create_symbol_lookup_context(team_id team, image_id image,
 		status_t error = lookup->Init();
 		if (error != B_OK)
 			return error;
-	} catch (BPrivate::Debug::Exception exception) {
+	} catch (BPrivate::Debug::Exception& exception) {
 		return exception.Error();
 	}
 
@@ -429,7 +429,7 @@ debug_lookup_symbol_address(debug_symbol_lookup_context *lookupContext,
 			exactMatch);
 		if (error != B_OK)
 			return error;
-	} catch (BPrivate::Debug::Exception exception) {
+	} catch (BPrivate::Debug::Exception& exception) {
 		return exception.Error();
 	}
 
@@ -470,7 +470,7 @@ debug_create_image_symbol_iterator(debug_symbol_lookup_context* lookupContext,
 	status_t error;
 	try {
 		error = lookup->InitSymbolIterator(imageID, *iterator);
-	} catch (BPrivate::Debug::Exception exception) {
+	} catch (BPrivate::Debug::Exception& exception) {
 		error = exception.Error();
 	}
 
@@ -488,7 +488,7 @@ debug_create_image_symbol_iterator(debug_symbol_lookup_context* lookupContext,
 			try {
 				error = lookup->InitSymbolIteratorByAddress(
 					(addr_t)imageInfo.text, *iterator);
-			} catch (BPrivate::Debug::Exception exception) {
+			} catch (BPrivate::Debug::Exception& exception) {
 				error = exception.Error();
 			}
 		}
@@ -565,7 +565,7 @@ debug_next_image_symbol(debug_symbol_iterator* iterator, char* nameBuffer,
 			_symbolType);
 		if (error != B_OK)
 			return error;
-	} catch (BPrivate::Debug::Exception exception) {
+	} catch (BPrivate::Debug::Exception& exception) {
 		return exception.Error();
 	}
 

src/kits/debugger/source_language/c_family/CLanguageFamily.cpp

@@ -51,7 +51,7 @@ CLanguageFamily::EvaluateExpression(const BString& expression,
 	try {
 		_output = evaluator.Evaluate(expression, manager, info);
 		return B_OK;
-	} catch (ParseException ex) {
+	} catch (ParseException& ex) {
 		BString error;
 		error.SetToFormat("Parse error at position %" B_PRId32 ": %s",
 			ex.position, ex.message.String());
@@ -64,7 +64,7 @@ CLanguageFamily::EvaluateExpression(const BString& expression,
 			return B_NO_MEMORY;
 		_output->SetToPrimitive(value);
 		return B_BAD_DATA;
-	} catch (ValueNeededException ex) {
+	} catch (ValueNeededException& ex) {
 		_neededNode = ex.value;
 	}
 

src/kits/storage/ResourceFile.cpp

@@ -244,7 +244,7 @@ ResourceFile::SetTo(BFile* file, bool clobber)
 	if (error == B_OK) {
 		try {
 			_InitFile(*file, clobber);
-		} catch (Exception exception) {
+		} catch (Exception& exception) {
 			Unset();
 			if (exception.Error() != B_OK)
 				error = exception.Error();
@@ -295,7 +295,7 @@ ResourceFile::InitContainer(ResourcesContainer& container)
 			_ReadIndex(parseInfo);
 			_ReadInfoTable(parseInfo);
 			container.SetModified(false);
-		} catch (Exception exception) {
+		} catch (Exception& exception) {
 			if (exception.Error() != B_OK)
 				error = exception.Error();
 			else
@@ -1272,7 +1272,7 @@ ResourceFile::_WriteResources(ResourcesContainer& container)
 		tableEnd->rite_terminator = 0;
 		write_exactly(fFile, infoTableOffset, buffer, infoTableSize,
 			"Failed to write info table.");
-	} catch (Exception exception) {
+	} catch (Exception& exception) {
 		if (exception.Error() != B_OK)
 			error = exception.Error();
 		else
@@ -1302,7 +1302,7 @@ ResourceFile::_MakeEmptyResourceFile()
 			fFileType = FILE_TYPE_X86_RESOURCE;
 			fFile.SetTo(file, kX86ResourcesOffset);
 			fEmptyResources = true;
-		} catch (Exception exception) {
+		} catch (Exception& exception) {
 			if (exception.Error() != B_OK)
 				error = exception.Error();
 			else

src/kits/tracker/FSUtils.cpp

@@ -1788,7 +1788,7 @@ MoveItem(BEntry* entry, BDirectory* destDir, BPoint* loc, uint32 moveMode,
 	} catch (status_t error) {
 		// no alert, was already taken care of before
 		return error;
-	} catch (MoveError error) {
+	} catch (MoveError& error) {
 		BString errorString(B_TRANSLATE("Error moving \"%name\""));
 		errorString.ReplaceFirst("%name", ref.name);
 		BAlert* alert = new BAlert("", errorString.String(), B_TRANSLATE("OK"),
@@ -1796,7 +1796,7 @@ MoveItem(BEntry* entry, BDirectory* destDir, BPoint* loc, uint32 moveMode,
 		alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
 		alert->Go();
 		return error.fError;
-	} catch (FailWithAlert error) {
+	} catch (FailWithAlert& error) {
 		BString buffer(error.fString);
 		if (error.fName != NULL)
 			buffer.ReplaceFirst("%name", error.fName);

src/tools/get_package_dependencies/get_package_dependencies.cpp

@@ -90,7 +90,7 @@ main(int argc, const char* const* argv)
 		for (int i = 0; i < packageCount; i++)
 			installedRepositoryBuilder.AddPackage(packages[i]);
 		installedRepositoryBuilder.AddToSolver(solver, true);
-	} catch (BFatalErrorException e) {
+	} catch (BFatalErrorException& e) {
 		DIE(e.Error(), "%s %s", e.Message().String(), e.Details().String());
 	}
 

src/tools/set_haiku_revision.cpp

@@ -696,7 +696,7 @@ main(int argc, const char* const* argv)
 			min((size_t)SYSTEM_REVISION_LENGTH, strlen(revisionString) + 1),
 			"Failed to write revision.");
 
-	} catch (Exception exception) {
+	} catch (Exception& exception) {
 		if (exception.Description() == "") {
 			fprintf(stderr, "%s\n", strerror(exception.Error()));
 		} else {