PK02819: TELLP() GIVES ZEROS WHEN USING Z/OS C++ VERSION 1.2.0 OR NEWER.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• tellp() gives zeros when using z/OS C++ version 1.2.0 or newer
  when compiling the following testcase:
  
  Testcase:
  --------
  // tellp_ut.cpp
  
  #if (__COMPILER_VER__ < 0x41020000)
  #  include <fstream.h>
  #  include <iostream.h>
  #  define std
  #else
  #  include <fstream>
  #  include <iostream>
  #endif
  
  int main(int argc, char argv[])
  {
    std::ofstream fs("foo.out");
    fs << "Anyone here";
    long p = fs.tellp();
    std::cout << "p:  " << p << std::endl;
    fs << " remember Vera Lynn?";
    p = fs.tellp();
    std::cout << "p:  " << p << std::endl;
  }
  
  Actual Output:
  -------------
  p:  0
  p:  0
  
  Expected Output:
  ---------------
  p:  11
  p:  32
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: Users of C++ Standard Library Streams on zOS *
  ****************************************************************
  * PROBLEM DESCRIPTION: std::basic_ostream::tellp() returns     *
  *                      incorrect value.                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• The underlying std::fpos type currently
  does not convert correctly to a std::streamoff.
  This conversion will be corrected.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  PK16026

Modules/Macros

• CRTD001  CRTD002  CRTEC128 CRTE128N CRTHB005
  CRTHB009 CRTHB041 CRTHH006 CRTIB005 CRTIB009 CRTIB041 CRTIH006
  

Fix information

• Fixed component name

  ANSI C++ CLASS

• Fixed component ID

  568819807

Applicable component levels

• R708 PSY UK02717

     UP05/09/30 P F509

Fix is available

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