storage/Interface: add "noexcept"

src/storage/CompositeStorage.cxx

@@ -53,12 +53,12 @@ public:
 	}
 
 	/* virtual methods from class StorageDirectoryReader */
-	const char *Read() override;
+	const char *Read() noexcept override;
 	StorageFileInfo GetInfo(bool follow) override;
 };
 
 const char *
-CompositeDirectoryReader::Read()
+CompositeDirectoryReader::Read() noexcept
 {
 	if (other != nullptr) {
 		const char *name = other->Read();

src/storage/MemoryDirectoryReader.cxx

@@ -23,7 +23,7 @@
 #include <assert.h>
 
 const char *
-MemoryStorageDirectoryReader::Read()
+MemoryStorageDirectoryReader::Read() noexcept
 {
 	if (first)
 		first = false;

src/storage/MemoryDirectoryReader.hxx

@@ -60,7 +60,7 @@ public:
 		:entries(std::move(_entries)), first(true) {}
 
 	/* virtual methods from class StorageDirectoryReader */
-	const char *Read() override;
+	const char *Read() noexcept override;
 	StorageFileInfo GetInfo(bool follow) override;
 };
 

src/storage/StorageInterface.hxx

@@ -32,9 +32,9 @@ class StorageDirectoryReader {
 public:
 	StorageDirectoryReader() = default;
 	StorageDirectoryReader(const StorageDirectoryReader &) = delete;
-	virtual ~StorageDirectoryReader() {}
+	virtual ~StorageDirectoryReader() noexcept {}
 
-	virtual const char *Read() = 0;
+	virtual const char *Read() noexcept = 0;
 
 	/**
 	 * Throws #std::runtime_error on error.
@@ -46,7 +46,7 @@ class Storage {
 public:
 	Storage() = default;
 	Storage(const Storage &) = delete;
-	virtual ~Storage() {}
+	virtual ~Storage() noexcept {}
 
 	/**
 	 * Throws #std::runtime_error on error.

src/storage/plugins/LocalStorage.cxx

@@ -41,7 +41,7 @@ public:
 		:base_fs(std::move(_base_fs)), reader(base_fs) {}
 
 	/* virtual methods from class StorageDirectoryReader */
-	const char *Read() override;
+	const char *Read() noexcept override;
 	StorageFileInfo GetInfo(bool follow) override;
 };
 
@@ -156,7 +156,7 @@ SkipNameFS(PathTraitsFS::const_pointer_type name_fs) noexcept
 }
 
 const char *
-LocalDirectoryReader::Read()
+LocalDirectoryReader::Read() noexcept
 {
 	while (reader.ReadEntry()) {
 		const Path name_fs = reader.GetEntry();

src/storage/plugins/SmbclientStorage.cxx

@@ -45,7 +45,7 @@ public:
 	virtual ~SmbclientDirectoryReader();
 
 	/* virtual methods from class StorageDirectoryReader */
-	const char *Read() override;
+	const char *Read() noexcept override;
 	StorageFileInfo GetInfo(bool follow) override;
 };
 
@@ -158,7 +158,7 @@ SmbclientDirectoryReader::~SmbclientDirectoryReader()
 }
 
 const char *
-SmbclientDirectoryReader::Read()
+SmbclientDirectoryReader::Read() noexcept
 {
 	const std::lock_guard<Mutex> protect(smbclient_mutex);