[core] deprecate Rstrstream.h

README/ReleaseNotes/v642/index.md

@@ -76,6 +76,7 @@ The `TMVA_SOFIE_GNN` tutorials have been migrated to this workflow and produce i
 * The header `RStringView.h` deprecated in ROOT 6.14  will now emit warnings and will be fully removed after ROOT 6.44. Use `ROOT/RStringView.hxx` instead.
 * The header `snprintf.h` is deprecated (will emit warnings) and will be removed in ROOT 6.44. Use instead `<cstdio>`.
 * The header `Strlen.h` is deprecated and will be removed in ROOT 6.44. Use `<cstring>` directly as a replacement. `NEED_STRING` macro should not be defined or an error will be raised.
+* The header `Rstrstream.h` is deprecated and will be removed after ROOT 6.44, use instead `<sstream>`.
 
 ## Build System
 

core/foundation/inc/Rstrstream.h

@@ -12,6 +12,8 @@
 #ifndef ROOT_Rstrstream
 #define ROOT_Rstrstream
 
+#warning "This header is deprecated and will be removed after ROOT 6.44, used instead <sstream>"
+
 #include <ROOT/RConfig.hxx>
 
 #if defined(R__ANSISTREAM)

core/foundation/src/TClassEdit.cxx

@@ -12,13 +12,15 @@
  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
  *************************************************************************/
 
+#include "TClassEdit.h"
+#include "TSpinLockGuard.h"
+
 #include <cstdio>
 #include <cstdlib>
 #include <cassert>
 #include <cstring>
-#include "TClassEdit.h"
 #include <cctype>
-#include "Rstrstream.h"
+#include <sstream>
 #include <set>
 #include <stack>
 // for shared_ptr
@@ -27,8 +29,6 @@
 #include <algorithm>
 #include <string>
 
-#include "TSpinLockGuard.h"
-
 using std::string, std::string_view, std::vector, std::set;
 
 namespace {

core/rint/src/TTabCom.cxx

@@ -121,10 +121,6 @@
 //                                                                        //
 ////////////////////////////////////////////////////////////////////////////
 
-#include <cstdio>
-#include <cassert>
-#include <set>
-
 #include "RConfigure.h"
 #include "TTabCom.h"
 #include "TClass.h"
@@ -145,9 +141,13 @@
 #include "TMethodArg.h"
 #include "TInterpreter.h"
 #include "Riostream.h"
-#include "Rstrstream.h"
 #include "strlcpy.h"
 
+#include <cstdio>
+#include <cassert>
+#include <set>
+#include <sstream>
+
 #define BUF_SIZE 1024 // must be smaller than/equal to fgLineBufSize in Getline.cxx and
                       // lineBufSize in cppcompleter.py
 #define IfDebug(x)  if(gDebug==TTabCom::kDebug) x

tmva/tmva/src/GeneticPopulation.cxx

@@ -29,16 +29,14 @@ Population definition for genetic algorithm.
 
 */
 
-#include <algorithm>
-
-#include "Rstrstream.h"
 #include "TRandom3.h"
 #include "TH1.h"
 
 #include "TMVA/GeneticPopulation.h"
 #include "TMVA/GeneticGenes.h"
 #include "TMVA/MsgLogger.h"
 
+#include <sstream>
 
 using std::vector, std::ostream;