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Subject: Wide Character support in Cygwin
Date: Mon, 30 Apr 2007 21:32:56 +0530
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From: "Tejesh C (RBIN/ECM2)" <Tejesh DOT Chintamani AT in DOT bosch DOT com>
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Hi All,

Is the wide character support for GCC available in Cygwin 
We have tried to compile a piece of code which works on SLES 9 LINUX 
But the same code throws errors when compiled on cygwin.
Can any one please suggest how to solve this problem

The following is the code : 

     #include<iostream>
     #include<ostream>
     #include<sstream>

     int main ( )
     {
       using namespace std;

       float f= 3.14159;
       const wchar_t* s= L"Kenavo !";

        // create a read/write stringbuf object on wide char
        // and attach it to an wistringstream object
       wistringstream in( ios_base::in | ios_base::out );

        // tie the wostream object to the wistringstream object
       wostream out(in.rdbuf());

       out << L"test beginning !" << endl;

        // output f in scientific format
       out << scientific << f <<endl;

        // store the current put-pointer position
       wostream::pos_type pos = out.tellp();

        // output s
       out << s << endl;

        // output the all buffer to standard output
       wcout << in.rdbuf() << endl;

        // position the get-pointer
       in.seekg(pos);

        // output s
       wcout << in.rdbuf() << endl;
        return 0;
     }

The error I get on cygwin is : 

$ g++ wstreamtest.cpp
wstreamtest.cpp: In function `int main()':
wstreamtest.cpp:17: error: `wistringstream' undeclared (first use this
function)

wstreamtest.cpp:17: error: (Each undeclared identifier is reported only
once for
 each function it appears in.)
wstreamtest.cpp:17: error: expected `;' before "in"
wstreamtest.cpp:20: error: `wostream' undeclared (first use this
function)
wstreamtest.cpp:20: error: expected `;' before "out"
wstreamtest.cpp:22: error: `out' undeclared (first use this function)
wstreamtest.cpp:28: error: `wostream' has not been declared
wstreamtest.cpp:28: error: `pos_type' undeclared (first use this
function)
wstreamtest.cpp:28: error: expected `;' before "pos"
wstreamtest.cpp:34: error: `wcout' undeclared (first use this function)
wstreamtest.cpp:34: error: `in' undeclared (first use this function)
wstreamtest.cpp:37: error: `pos' undeclared (first use this function)

Please let me know if you require further information 

Regards 
CT 

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