Replace auto_ptr

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

22 files changed, 63 insertions, 92 deletions

diff --git a/indexlib/boost-compat/config/compiler/gcc.h b/indexlib/boost-compat/config/compiler/gcc.h
index 2c5ad1981..4be7f408e 100644
--- a/indexlib/boost-compat/config/compiler/gcc.h
+++ b/indexlib/boost-compat/config/compiler/gcc.h
@@ -13,10 +13,6 @@
 
 //  GNU C++ compiler setup:
 
-#   if __GNUC__ == 2 && __GNUC_MINOR__ == 91
-       // egcs 1.1 won't parse shared_ptr.h without this:
-#      define BOOST_NO_AUTO_PTR
-#   endif
 #   if __GNUC__ == 2 && __GNUC_MINOR__ < 95
       //
       // Prior to gcc 2.95 member templates only partly
diff --git a/indexlib/boost-compat/config/stdlib/roguewave.h b/indexlib/boost-compat/config/stdlib/roguewave.h
index ec3d881b5..452b8421f 100644
--- a/indexlib/boost-compat/config/stdlib/roguewave.h
+++ b/indexlib/boost-compat/config/stdlib/roguewave.h
@@ -73,7 +73,6 @@
 // new-style iostreams, and no conformant std::allocator:
 //
 #if (BOOST_RWSTD_VER < 0x020000)
-#  define BOOST_NO_AUTO_PTR
 #  define BOOST_NO_STRINGSTREAM
 #  define BOOST_NO_STD_ALLOCATOR
 #  define BOOST_NO_STD_LOCALE
diff --git a/indexlib/boost-compat/scoped_ptr.h b/indexlib/boost-compat/scoped_ptr.h
index 60078bf1a..41d4f9b8e 100644
--- a/indexlib/boost-compat/scoped_ptr.h
+++ b/indexlib/boost-compat/scoped_ptr.h
@@ -15,7 +15,7 @@
 
 #include "checked_delete.h"
 
-#include <memory>          // for std::auto_ptr
+#include <memory>
 #include <assert.h>
 
 namespace boost
@@ -25,7 +25,7 @@ namespace boost
 //  scoped_ptr mimics a built-in pointer except that it guarantees deletion
 //  of the object pointed to, either on destruction of the scoped_ptr or via
 //  an explicit reset(). scoped_ptr is a simple solution for simple needs;
-//  use shared_ptr or std::auto_ptr if your needs are more complex.
+//  use shared_ptr or std::unique_ptr if your needs are more complex.
 
 template<class T> class scoped_ptr // noncopyable
 {
@@ -46,11 +46,6 @@ public:
     {
     }
 
-
-    explicit scoped_ptr(std::auto_ptr<T> p): ptr(p.release()) // never throws
-    {
-    }
-
     ~scoped_ptr() // never throws
     {
         boost::checked_delete(ptr);
diff --git a/indexlib/boost-compat/shared_ptr.h b/indexlib/boost-compat/shared_ptr.h
index c236e3bd7..a242c8299 100644
--- a/indexlib/boost-compat/shared_ptr.h
+++ b/indexlib/boost-compat/shared_ptr.h
@@ -26,11 +26,11 @@
 #include <boost/detail/shared_count.hpp>
 #include <boost/detail/workaround.hpp>
 
-#include <memory>               // for std::auto_ptr
-#include <algorithm>            // for std::swap
-#include <functional>           // for std::less
-#include <typeinfo>             // for std::bad_cast
-#include <iosfwd>               // for std::basic_ostream
+#include <memory>
+#include <algorithm>
+#include <functional>
+#include <typeinfo>
+#include <iosfwd>
 
 #ifdef BOOST_MSVC  // moved here to work around VC++ compiler crash
 # pragma warning(push)
@@ -191,18 +191,6 @@ public:
         }
     }
 
-#ifndef BOOST_NO_AUTO_PTR
-
-    template<class Y>
-    explicit shared_ptr(std::auto_ptr<Y> & r): px(r.get()), pn()
-    {
-        Y * tmp = r.get();
-        pn = detail::shared_count(r);
-        detail::sp_enable_shared_from_this( pn, tmp, tmp );
-    }
-
-#endif
-
 #if !defined(BOOST_MSVC) || (BOOST_MSVC > 1200)
 
     template<class Y>
@@ -215,17 +203,6 @@ public:
 
 #endif
 
-#ifndef BOOST_NO_AUTO_PTR
-
-    template<class Y>
-    shared_ptr & operator=(std::auto_ptr<Y> & r)
-    {
-        this_type(r).swap(*this);
-        return *this;
-    }
-
-#endif
-
     void reset() // never throws in 1.30+
     {
         this_type().swap(*this);
diff --git a/indexlib/compressed.cpp b/indexlib/compressed.cpp
index a60c3f06e..9c73c304c 100644
--- a/indexlib/compressed.cpp
+++ b/indexlib/compressed.cpp
@@ -53,7 +53,7 @@ memory_manager* get_comp_p() {
 
 compressed_file::compressed_file( std::string base ):
 	auxdata_( path_concat( base, "table" ) ),
-	data_( std::auto_ptr<memory_manager>( new mmap_manager( path_concat( base, "data" ) ) ) )
+	data_( std::unique_ptr<memory_manager>( new mmap_manager( path_concat( base, "data" ) ) ) )
 {
 	if ( auxdata_.empty() ) auxdata_.push_back( 0 );
 }
diff --git a/indexlib/create.cpp b/indexlib/create.cpp
index e47d116a6..c64e21584 100644
--- a/indexlib/create.cpp
+++ b/indexlib/create.cpp
@@ -56,41 +56,41 @@ indexlib::index_type::type type_of( const char* basename ) {
 }
 }
 
-std::auto_ptr<indexlib::index> indexlib::create( const char* basename, indexlib::index_type::type flags ) {
+std::unique_ptr<indexlib::index> indexlib::create( const char* basename, indexlib::index_type::type flags ) {
 	using namespace indexlib::version;
-	if ( type_of( basename ) !=  indexlib::index_type::none ) return std::auto_ptr<indexlib::index>( 0 );
+	if ( type_of( basename ) !=  indexlib::index_type::none ) return std::unique_ptr<indexlib::index>();
 	try {
 		if ( basename[ strlen( basename ) - 1 ] == '/' && !isdir( basename ) ) {
-			if ( !indexlib::detail::mkdir_trailing( basename ) ) return std::auto_ptr<indexlib::index>( 0 );
+			if ( !indexlib::detail::mkdir_trailing( basename ) ) return std::unique_ptr<indexlib::index>();
 		}
 		std::ofstream info( path_concat( basename, "info" ).c_str() );
 		info << marker << std::endl;
 		info << "version " << major << '.' << minor << "\n";
 		if ( flags == index_type::quotes ) {
 			info << "quotes" << std::endl;
-			return std::auto_ptr<indexlib::index>( new quotes( basename ) );
+			return std::unique_ptr<indexlib::index>( new quotes( basename ) );
 		}
 		if ( flags == index_type::ifile ) {
 			info << "ifile" << std::endl;
-			return std::auto_ptr<indexlib::index>( new ifile( basename ) );
+			return std::unique_ptr<indexlib::index>( new ifile( basename ) );
 		}
 	} catch ( const std::exception& e ) {
 		std::cerr << "index creation failed: " << e.what() << std::endl;
 	}
-	return std::auto_ptr<indexlib::index>( 0 );
+	return std::unique_ptr<indexlib::index>();
 }
 
-std::auto_ptr<indexlib::index> indexlib::open( const char* basename, unsigned flags ) {
+std::unique_ptr<indexlib::index> indexlib::open( const char* basename, unsigned flags ) {
 	using namespace indexlib;
 	switch ( type_of( basename ) ) {
-		case index_type::ifile: return std::auto_ptr<indexlib::index>( new ifile( basename ) );
-		case index_type::quotes: return std::auto_ptr<indexlib::index>( new quotes( basename ) );
+		case index_type::ifile: return std::unique_ptr<indexlib::index>( new ifile( basename ) );
+		case index_type::quotes: return std::unique_ptr<indexlib::index>( new quotes( basename ) );
 		case index_type::none:
-		if ( flags == open_flags::fail_if_nonexistant ) return std::auto_ptr<indexlib::index>();
+		if ( flags == open_flags::fail_if_nonexistant ) return std::unique_ptr<indexlib::index>();
 		return create( basename, index_type::type( flags ) );
 	}
 	logfile() << format( "%s:%s: Unexpected code reached!\n" ) % __FILE__ % __LINE__;
-	return std::auto_ptr<indexlib::index>( 0 );
+	return std::unique_ptr<indexlib::index>();
 }
 
 bool indexlib::exists( const char* basename ) {
diff --git a/indexlib/create.h b/indexlib/create.h
index e865728e8..18e9929b3 100644
--- a/indexlib/create.h
+++ b/indexlib/create.h
@@ -57,14 +57,14 @@ namespace indexlib {
 	 * This will return something like "new quotes(basename)" but by using this, you do not need to include quotes.h
 	 * which needs boost headers also.
 	 */
-	std::auto_ptr<index> create( const char* basename, index_type::type flags = index_type::quotes );
+	std::unique_ptr<index> create( const char* basename, index_type::type flags = index_type::quotes );
 	namespace open_flags {
 		enum type { none = 0,
 			create_ifile = index_type::ifile,
 			create_quotes = index_type::quotes,
 			fail_if_nonexistant };
 	}
-	std::auto_ptr<index> open( const char* basename, unsigned flags = open_flags::fail_if_nonexistant );
+	std::unique_ptr<index> open( const char* basename, unsigned flags = open_flags::fail_if_nonexistant );
 
 	/**
 	 * Removes the index.
diff --git a/indexlib/ifile.cpp b/indexlib/ifile.cpp
index 5709bb418..8ef5d2c6b 100644
--- a/indexlib/ifile.cpp
+++ b/indexlib/ifile.cpp
@@ -83,10 +83,10 @@ void ifile::remove_doc( const char* doc ) {
 	// TODO: remove from words_ too if that's the case
 }
 
-std::auto_ptr<indexlib::result> ifile::everything() const {
+std::unique_ptr<indexlib::result> ifile::everything() const {
 	std::vector<unsigned> res( ndocs() );
 	for ( unsigned i = 0; i != ndocs(); ++i ) res[ i ] = i;
-	return std::auto_ptr<indexlib::result>( new indexlib::detail::simple_result( res ) );
+	return std::unique_ptr<indexlib::result>( new indexlib::detail::simple_result( res ) );
 }
 
 namespace {
@@ -94,13 +94,13 @@ inline
 bool word_too_small( std::string str ) { return str.size() < 3; }
 }
 
-std::auto_ptr<indexlib::result> ifile::search( const char* str ) const {
+std::unique_ptr<indexlib::result> ifile::search( const char* str ) const {
 	using namespace indexlib::detail;
 	using indexlib::result;
 	assert( str );
 	if ( !*str ) return everything();
 	std::vector<std::string> words = break_clean( str );
-	if ( words.empty() ) return std::auto_ptr<result>( new empty_result );
+	if ( words.empty() ) return std::unique_ptr<result>( new empty_result );
 	words.erase( std::remove_if( words.begin(), words.end(), &word_too_small ), words.end() );
 	if ( words.empty() ) return everything();
 	std::set<unsigned> values = find_word( words[ 0 ] );
@@ -113,7 +113,7 @@ std::auto_ptr<indexlib::result> ifile::search( const char* str ) const {
 		std::set_intersection( now.begin(), now.end(), values.begin(), values.end(), std::inserter( next, next.begin() ) );
 		next.swap( values );
 	}
-	std::auto_ptr<result> r(new simple_result( std::vector<unsigned>( values.begin(), values.end() ) ) );
+	std::unique_ptr<result> r(new simple_result( std::vector<unsigned>( values.begin(), values.end() ) ) );
 	return r;
 }
 
diff --git a/indexlib/ifile.h b/indexlib/ifile.h
index 4cfcf5853..3fcf772e0 100644
--- a/indexlib/ifile.h
+++ b/indexlib/ifile.h
@@ -43,8 +43,10 @@
 struct  ifile : public indexlib::index {
 	public:
 		ifile( std::string );
+		ifile(ifile const &) = delete;
+		ifile& operator=(ifile const &) = delete;
 		virtual void add( const char* str, const char* doc );
-		virtual std::auto_ptr<indexlib::result> search( const char* ) const;
+		virtual std::unique_ptr<indexlib::result> search( const char* ) const;
 
 		virtual unsigned ndocs() const { return docnames_.size(); }
 		virtual std::string lookup_docname( unsigned idx ) const { return docnames_.get( idx ); }
@@ -56,7 +58,7 @@ struct  ifile : public indexlib::index {
 	private:
 		std::set<unsigned> find_word( std::string ) const;
 		std::vector<std::string> break_clean( const char* ) const;
-		virtual std::auto_ptr<indexlib::result> everything() const;
+		virtual std::unique_ptr<indexlib::result> everything() const;
 
 		static bool invalid_word( std::string );
 		bool is_stop_word( std::string ) const;
@@ -67,7 +69,7 @@ struct  ifile : public indexlib::index {
 		stringset words_;
 		stringset stopwords_;
 		leafdatavector files_;
-		std::auto_ptr<indexlib::detail::tokenizer> tokenizer_;
+		std::unique_ptr<indexlib::detail::tokenizer> tokenizer_;
 };
 
 #endif /* _IFILE_INCLUDE_GUARD_LPC_56465465798732 */
diff --git a/indexlib/index.h b/indexlib/index.h
index b7c683755..5ffab2d4e 100644
--- a/indexlib/index.h
+++ b/indexlib/index.h
@@ -61,7 +61,7 @@ struct result {
 		 * @return null if the type does not support this or the particular search string makes it impossible to
 		 * 		fulfill the search request.
 		 */
-		virtual std::auto_ptr<result> search( const char* ) = 0;
+		virtual std::unique_ptr<result> search( const char* ) = 0;
 };
 
 struct index {
@@ -96,7 +96,7 @@ struct index {
 		/**
 		 * Returns all documents matching \param pattern.
 		 */
-		virtual std::auto_ptr<result> search( const char* pattern ) const = 0;
+		virtual std::unique_ptr<result> search( const char* pattern ) const = 0;
 
 		/**
 		 * Returns the number of docs indexed.
diff --git a/indexlib/leafdatavector.cpp b/indexlib/leafdatavector.cpp
index 0dae65555..89b95ab96 100644
--- a/indexlib/leafdatavector.cpp
+++ b/indexlib/leafdatavector.cpp
@@ -45,7 +45,7 @@ typedef mmap_manager leafdatavector_manager;
 #endif
 
 leafdatavector::leafdatavector( std::string name ):
-	leafs_( std::auto_ptr<memory_manager>( new leafdatavector_manager( path_concat( name, "leafs" ) ) ) ),
+	leafs_( std::unique_ptr<memory_manager>( new leafdatavector_manager( path_concat( name, "leafs" ) ) ) ),
 	table_( path_concat( name, "table" ) )
 {
 }
diff --git a/indexlib/main.cpp b/indexlib/main.cpp
index b86851537..dcedbe1ce 100644
--- a/indexlib/main.cpp
+++ b/indexlib/main.cpp
@@ -46,7 +46,7 @@
 #include <memory>
 #include <string.h>
 
-typedef std::auto_ptr<indexlib::index> index_smart;
+typedef std::unique_ptr<indexlib::index> index_smart;
 
 index_smart get_index( std::string name ) {
 	return indexlib::open( name.c_str(), indexlib::open_flags::create_quotes );
@@ -92,8 +92,8 @@ int debug( int argc, char* argv[] ) {
 		std::cout << "compressed_file:\n";
 		file.print( std::cout );
 	} else if ( type == "break_up" ) {
-		std::auto_ptr<tokenizer> tok = get_tokenizer( "latin-1:european" );
-		if ( !tok.get() ) {
+		std::unique_ptr<tokenizer> tok = get_tokenizer( "latin-1:european" );
+		if ( !tok ) {
 			std::cerr << "Could not get tokenizer\n";
 			return 1;
 		}
diff --git a/indexlib/mempool.h b/indexlib/mempool.h
index acf624948..08be88578 100644
--- a/indexlib/mempool.h
+++ b/indexlib/mempool.h
@@ -55,7 +55,9 @@ struct mempool /* : boost::noncopyable */ {
 		typedef Traits traits_type;
 		typedef typename traits_type::value_type data_type;
 		typedef typename traits_type::pointer data_typeptr;
-		explicit mempool( std::auto_ptr<memory_manager> source );
+		explicit mempool( std::unique_ptr<memory_manager> &&source );
+		mempool(mempool const &) = delete;
+		mempool& operator=(mempool const &) = delete;
 
 		/**
 		 * Returns a memory block of size \param s.
@@ -151,7 +153,7 @@ struct mempool /* : boost::noncopyable */ {
 		bool join( data_typeptr&, unsigned order );
 		void deallocate( data_typeptr, unsigned order );
 
-		std::auto_ptr<memory_manager> manager_;
+		std::unique_ptr<memory_manager> manager_;
 		memory_reference<uint32_t> max_order_;
 };
 
diff --git a/indexlib/mempool.tcc b/indexlib/mempool.tcc
index a130bffee..750209a22 100644
--- a/indexlib/mempool.tcc
+++ b/indexlib/mempool.tcc
@@ -33,8 +33,8 @@
  */
 
 template <typename Traits>
-mempool<Traits>::mempool( std::auto_ptr<memory_manager> source ):
-	manager_( source ),
+mempool<Traits>::mempool( std::unique_ptr<memory_manager> &&source ):
+	manager_( std::move(source) ),
 	max_order_( 0 )
 {
 	if ( !manager_->size() ) init_memory();
diff --git a/indexlib/quotes.cpp b/indexlib/quotes.cpp
index e4c35db43..abf8915cd 100644
--- a/indexlib/quotes.cpp
+++ b/indexlib/quotes.cpp
@@ -68,12 +68,12 @@ void quotes::remove_doc( const char* doc ) {
 	impl_.remove_doc( doc );
 }
 
-std::auto_ptr<indexlib::result> quotes::search( const char* cstr ) const {
+std::unique_ptr<indexlib::result> quotes::search( const char* cstr ) const {
 	std::string str = cstr;
 	if ( str[ 0 ] != '\"' ) return impl_.search( cstr );
 	str = cstr + 1; // cut "
 	if ( str.size() && str[ str.size() - 1 ] == '\"' ) str.erase( str.size() - 1 );
-	std::auto_ptr<indexlib::result> prev = impl_.search( str.c_str() );
+	std::unique_ptr<indexlib::result> prev = impl_.search( str.c_str() );
 	if ( str.find( ' ' ) != std::string::npos ) {
 		indexlib::Match m( str );
 		std::vector<unsigned> candidates = prev->list();
@@ -86,7 +86,7 @@ std::auto_ptr<indexlib::result> quotes::search( const char* cstr ) const {
 				res.push_back( *first );
 			}
 		}
-		return std::auto_ptr<indexlib::result>( new indexlib::detail::simple_result( res ) );
+		return std::unique_ptr<indexlib::result>( new indexlib::detail::simple_result( res ) );
 	} else { return prev; }
 }
 
diff --git a/indexlib/quotes.h b/indexlib/quotes.h
index 7852d0ddf..6604e9a98 100644
--- a/indexlib/quotes.h
+++ b/indexlib/quotes.h
@@ -42,7 +42,7 @@ struct quotes : public indexlib::index {
 		quotes( std::string );
 		virtual void add( const char* str, const char* doc );
 		virtual void remove_doc( const char* doc );
-		virtual std::auto_ptr<indexlib::result> search( const char* ) const;
+		virtual std::unique_ptr<indexlib::result> search( const char* ) const;
 
 		virtual unsigned ndocs() const { return impl_.ndocs(); }
 		virtual std::string lookup_docname( unsigned d ) const { return impl_.lookup_docname( d ); }
diff --git a/indexlib/result.h b/indexlib/result.h
index 4cad40d74..dd23f25d2 100644
--- a/indexlib/result.h
+++ b/indexlib/result.h
@@ -42,7 +42,7 @@ struct simple_result : indexlib::result {
 		simple_result( std::vector<unsigned> r ):res( r ) { }
 
 		std::vector<unsigned> list() const { return res; }
-		std::auto_ptr<result> search( const char* ) { return std::auto_ptr<result>( 0 ); }
+		std::unique_ptr<result> search( const char* ) { return std::unique_ptr<result>(); }
 	private:
 		std::vector<unsigned> res;
 };
@@ -50,7 +50,7 @@ struct simple_result : indexlib::result {
 struct empty_result : indexlib::result {
 	public:
 		std::vector<unsigned> list() const { return std::vector<unsigned>(); }
-		std::auto_ptr<result> search( const char* ) { return std::auto_ptr<result>(); }
+		std::unique_ptr<result> search( const char* ) { return std::unique_ptr<result>(); }
 };
 } //namespace detail
 } //namespace indexlib
diff --git a/indexlib/tests/create-test.cpp b/indexlib/tests/create-test.cpp
index beeb7d5f9..da3c91ca5 100644
--- a/indexlib/tests/create-test.cpp
+++ b/indexlib/tests/create-test.cpp
@@ -14,8 +14,8 @@ void cleanup() {
 
 void simple() {
 	cleanup();
-	std::auto_ptr<indexlib::index> ptr = indexlib::create( fname );
-	BOOST_CHECK( ptr.get() );
+	std::unique_ptr<indexlib::index> ptr = indexlib::create( fname );
+	BOOST_CHECK( ptr );
 }
 
 test_suite* get_suite() {
diff --git a/indexlib/tests/mempool-test.cpp b/indexlib/tests/mempool-test.cpp
index a0895243c..1c9a4eb61 100644
--- a/indexlib/tests/mempool-test.cpp
+++ b/indexlib/tests/mempool-test.cpp
@@ -11,7 +11,7 @@ void cleanup() {
 
 void deallocate() {
 	cleanup();
-	mempool<leaf_data_pool_traits> pool( std::auto_ptr<memory_manager>( new mmap_manager( fname ) ) );
+	mempool<leaf_data_pool_traits> pool( std::unique_ptr<memory_manager>( new mmap_manager( fname ) ) );
 
 	std::vector<leafdataptr> pointers;
 	for ( int i = 0; i != 32; ++i ) {
@@ -33,7 +33,7 @@ void deallocate() {
 
 void large() {
 	cleanup();
-	mempool<leaf_data_pool_traits> pool( std::auto_ptr<memory_manager>( new mmap_manager( fname ) ) );
+	mempool<leaf_data_pool_traits> pool( std::unique_ptr<memory_manager>( new mmap_manager( fname ) ) );
 	
 	pool.allocate( 4095 );
 	pool.allocate( 4097 );
diff --git a/indexlib/tests/tokenizer-test.cpp b/indexlib/tests/tokenizer-test.cpp
index 372859d90..1354ddcd6 100644
--- a/indexlib/tests/tokenizer-test.cpp
+++ b/indexlib/tests/tokenizer-test.cpp
@@ -9,8 +9,8 @@ using indexlib::detail::tokenizer;
 using indexlib::detail::get_tokenizer;
 
 void simple() {
-	std::auto_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
-	assert(tokenizer.get());
+	std::unique_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
+	assert(tokenizer);
 	std::vector<std::string> tokens = tokenizer->string_to_words( "one     ,as, ''#`:ThReE,  בבאחי" );
 	std::vector<std::string> expected;
 	expected.push_back( "ONE" );
@@ -26,8 +26,8 @@ void simple() {
 }
 
 void with_newlines() {
-	std::auto_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
-	assert(tokenizer.get());
+	std::unique_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
+	assert(tokenizer);
 	std::vector<std::string> tokens = tokenizer->string_to_words( "one\ntwo\nthree" );
 	std::vector<std::string> expected;
 	expected.push_back( "ONE" );
@@ -42,8 +42,8 @@ void with_newlines() {
 }
 
 void with_numbers() {
-	std::auto_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
-	assert(tokenizer.get());
+	std::unique_ptr<tokenizer> tokenizer = get_tokenizer( "latin-1:european" );
+	assert(tokenizer);
 	std::vector<std::string> tokens = tokenizer->string_to_words( "one 012 123 four" );
 	std::vector<std::string> expected;
 	expected.push_back( "ONE" );
diff --git a/indexlib/tokenizer.cpp b/indexlib/tokenizer.cpp
index b069c7482..1c1243a7f 100644
--- a/indexlib/tokenizer.cpp
+++ b/indexlib/tokenizer.cpp
@@ -294,7 +294,7 @@ class latin1_tokenizer : public indexlib::detail::tokenizer {
 }
 
 
-std::auto_ptr<indexlib::detail::tokenizer> indexlib::detail::get_tokenizer( std::string name ) {
-	if ( name == "latin-1:european" ) return std::auto_ptr<indexlib::detail::tokenizer>( new latin1_tokenizer );
-	return std::auto_ptr<indexlib::detail::tokenizer>( 0 );
+std::unique_ptr<indexlib::detail::tokenizer> indexlib::detail::get_tokenizer( std::string name ) {
+	if ( name == "latin-1:european" ) return std::unique_ptr<indexlib::detail::tokenizer>( new latin1_tokenizer );
+	return std::unique_ptr<indexlib::detail::tokenizer>();
 }
diff --git a/indexlib/tokenizer.h b/indexlib/tokenizer.h
index 2494f2973..9916df66a 100644
--- a/indexlib/tokenizer.h
+++ b/indexlib/tokenizer.h
@@ -20,7 +20,7 @@ class tokenizer {
 		virtual std::vector<std::string> do_string_to_words( const char* ) = 0;
 };
 
-std::auto_ptr<tokenizer> get_tokenizer( std::string );
+std::unique_ptr<tokenizer> get_tokenizer( std::string );
 }}