fs/io/TextFile: use std::unique_ptr<>

src/fs/io/TextFile.cxx

@@ -26,11 +26,11 @@
 #include <assert.h>
 
 TextFile::TextFile(Path path_fs)
-	:file_reader(new FileReader(path_fs)),
+	:file_reader(std::make_unique<FileReader>(path_fs)),
 #ifdef ENABLE_ZLIB
-	 gunzip_reader(new AutoGunzipReader(*file_reader)),
+	 gunzip_reader(std::make_unique<AutoGunzipReader>(*file_reader)),
 #endif
-	 buffered_reader(new BufferedReader(*
+	 buffered_reader(std::make_unique<BufferedReader>(*
 #ifdef ENABLE_ZLIB
 							  gunzip_reader
 #else
@@ -40,14 +40,7 @@ TextFile::TextFile(Path path_fs)
 {
 }
 
-TextFile::~TextFile()
-{
-	delete buffered_reader;
-#ifdef ENABLE_ZLIB
-	delete gunzip_reader;
-#endif
-	delete file_reader;
-}
+TextFile::~TextFile() = default;
 
 char *
 TextFile::ReadLine()

src/fs/io/TextFile.hxx

@@ -23,19 +23,21 @@
 #include "util/Compiler.h"
 #include "config.h"
 
+#include <memory>
+
 class Path;
 class FileReader;
 class AutoGunzipReader;
 class BufferedReader;
 
 class TextFile {
-	FileReader *const file_reader;
+	const std::unique_ptr<FileReader> file_reader;
 
 #ifdef ENABLE_ZLIB
-	AutoGunzipReader *const gunzip_reader;
+	const std::unique_ptr<AutoGunzipReader> gunzip_reader;
 #endif
 
-	BufferedReader *const buffered_reader;
+	const std::unique_ptr<BufferedReader> buffered_reader;
 
 public:
 	explicit TextFile(Path path_fs);