New subject: [Bug 31255] msvcp100 missing _J versions of several functions

19 Jul 2012


      http://bugs.winehq.org/show_bug.cgi?id=31255
Bug #: 31255
           Summary: msvcp100 missing _J versions of several functions
           Product: Wine
           Version: 1.5.9
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: msvcp
        AssignedTo: wine-bugs@winehq.org
        ReportedBy: dank@kegel.com
    Classification: Unclassified
Given the program y.cc and a 32 bit system:
#include <iostream>
using namespace std;
int main() {
  char name[256];
  cout << "Enter your name: ";
  cin.getline (name, 256);
  cout << "Your name is " << name << endl;
  return 0;
}
Compile this with Visual C++ and /MD, and run it with wine.
With Visual C++ 2005, it works fine.
with Visual C++ 2010, it crashes with
wine: Call from 0x7ecac7e2 to unimplemented function
msvcp100.dll.?width@ios_base@std@@QBE_JXZ, aborting
mscodescan reports it imports following stubs from msvcp100:
 ?getline@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PAD_J@Z
 ?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
 ?width@ios_base@std@@QAE_J_J@Z
 ?width@ios_base@std@@QBE_JXZ
The similar imports for the version built with visual C++ 2005 are:
$ winedump -j import y.exe | egrep 'getline|putn|width' | awk '{print $2}' |
sort
 ?getline@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PADH@Z
 ?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHPBDH@Z
 ?width@ios_base@std@@QAEHH@Z
 ?width@ios_base@std@@QBEHXZ
Evidently, Visual C++ 2010 uses _J instead of H throughout in those imports.
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[Bug 31255] New: msvcp100 missing _J versions of several functions