From 0baef91f719d24223b99ebe18aa071aa5212208f Mon Sep 17 00:00:00 2001
From: OBATA Akio <obache@wizdas.com>
Date: Sat, 22 Jan 2022 14:34:09 +0900
Subject: [PATCH] Change to use c++11 unique_ptr instead of deprecated auto_ptr

Signed-off-by: OBATA Akio <obache@wizdas.com>
(cherry picked from commit 0d168f7ecdd875e739d7e3fb0df7348bc5d7deb0)
---
 kghostview/dscparse/dscparse_adapter.cpp | 16 +++----
 kghostview/dscparse/dscparse_adapter.h   | 54 +-----------------------
 kghostview/kgvdocument.cpp               |  2 +-
 tdefile-plugins/ps/gscreator.cpp         |  2 +-
 4 files changed, 12 insertions(+), 62 deletions(-)

diff --git a/kghostview/dscparse/dscparse_adapter.cpp b/kghostview/dscparse/dscparse_adapter.cpp
index 11596c63..5aae47b8 100644
--- a/kghostview/dscparse/dscparse_adapter.cpp
+++ b/kghostview/dscparse/dscparse_adapter.cpp
@@ -282,20 +282,20 @@ const CDSCMEDIA* KDSC::page_media() const
     return _cdsc->page_media;
 }
 
-auto_ptr<KDSCBBOX> KDSC::bbox() const
+unique_ptr<KDSCBBOX> KDSC::bbox() const
 {
-    if( _cdsc->bbox == 0 )
-	return auto_ptr<KDSCBBOX>( 0 );
+    if( _cdsc->bbox == nullptr )
+	return unique_ptr<KDSCBBOX>( nullptr );
     else
-	return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->bbox ) );
+	return unique_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->bbox ) );
 }
 
-auto_ptr<KDSCBBOX> KDSC::page_bbox() const
+unique_ptr<KDSCBBOX> KDSC::page_bbox() const
 {
-    if( _cdsc->page_bbox == 0 )
-	return auto_ptr<KDSCBBOX>( 0 );
+    if( _cdsc->page_bbox == nullptr )
+	return unique_ptr<KDSCBBOX>( nullptr );
     else
-	return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->page_bbox ) );
+	return unique_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->page_bbox ) );
 }
 
 TQString KDSC::dsc_title() const
diff --git a/kghostview/dscparse/dscparse_adapter.h b/kghostview/dscparse/dscparse_adapter.h
index 05b7e637..77855972 100644
--- a/kghostview/dscparse/dscparse_adapter.h
+++ b/kghostview/dscparse/dscparse_adapter.h
@@ -28,51 +28,6 @@
 
 #include "dscparse.h"
 
-#if defined(__GNUC__)
-#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 93)
-/*
- * We add a quick 'n' dirty inline implementation of auto_ptr for older
- * releases of GCC, which don't include an auto_ptr implementation in
- * <memory>.
- */
-
-template <class T> class auto_ptr {
-private:
-	T* _ptr;
-
-public:
-	typedef T element_type;
-	explicit auto_ptr(T* p = 0) : _ptr(p) {}
-	auto_ptr(auto_ptr& a) : _ptr(a.release()) {}
-	template <class T1> auto_ptr(auto_ptr<T1>& a) : _ptr(a.release()) {}
-	auto_ptr& operator=(auto_ptr& a) {
-		if (&a != this) {
-			delete _ptr;
-			_ptr = a.release();
-		}
-		return *this;
-	}
-	template <class T1>
-	auto_ptr& operator=(auto_ptr<T1>& a) {
-		if (a.get() != this->get()) {
-			delete _ptr;
-			_ptr = a.release();
-		}
-		return *this;
-	}
-	~auto_ptr() { delete _ptr; }
-
-	T& operator*() const { return *_ptr; }
-	T* operator->() const { return _ptr; }
-	T* get() const { return _ptr; }
-	T* release() { T* tmp = _ptr; _ptr = 0; return tmp; }
-	void reset(T* p = 0) { delete _ptr; _ptr = p; }
-};
-
-#endif
-#endif
-
-
 class KDSCBBOX
 {
 public:
@@ -304,13 +259,8 @@ public:
     CDSCMEDIA** media()           const;
     const CDSCMEDIA* page_media() const;
 
-#if defined(__GNUC__) && (__GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 93))
-    auto_ptr<KDSCBBOX> bbox()      const;
-    auto_ptr<KDSCBBOX> page_bbox() const;
-#else
-    std::auto_ptr<KDSCBBOX> bbox()      const;
-    std::auto_ptr<KDSCBBOX> page_bbox() const;
-#endif
+    std::unique_ptr<KDSCBBOX> bbox()      const;
+    std::unique_ptr<KDSCBBOX> page_bbox() const;
 
     // CDSCDOSEPS *doseps;
 
diff --git a/kghostview/kgvdocument.cpp b/kghostview/kgvdocument.cpp
index 3d9dad26..ae0742da 100644
--- a/kghostview/kgvdocument.cpp
+++ b/kghostview/kgvdocument.cpp
@@ -171,7 +171,7 @@ bool KGVDocument::uncompressFile()
     // If the file is gzipped, gunzip it to the temporary file _tmpUnzipped.
     kdDebug(4500) << "KGVDocument::uncompressFile()" << endl;
 
-    auto_ptr<TQIODevice> filterDev( KFilterDev::deviceForFile( _fileName, _mimetype, true ) );
+    unique_ptr<TQIODevice> filterDev( KFilterDev::deviceForFile( _fileName, _mimetype, true ) );
     if ( !filterDev.get() ) {
         KMimeType::Ptr mt = KMimeType::mimeType(_mimetype);
 	if ( (_fileName.right( 3 ) == ".gz") || mt->is("application/x-gzip") ) {
diff --git a/tdefile-plugins/ps/gscreator.cpp b/tdefile-plugins/ps/gscreator.cpp
index c664947b..88601a4c 100644
--- a/tdefile-plugins/ps/gscreator.cpp
+++ b/tdefile-plugins/ps/gscreator.cpp
@@ -241,7 +241,7 @@ bool GSCreator::create(const TQString &path, int width, int height, TQImage &img
   char translation[64] = "";
   char pagesize[32] = "";
   char resopt[32] = "";
-  std::auto_ptr<KDSCBBOX> bbox = dsc.bbox();
+  std::unique_ptr<KDSCBBOX> bbox = dsc.bbox();
   if (is_encapsulated) {
     // GhostScript's rendering at the extremely low resolutions
     // required for thumbnails leaves something to be desired. To