* wfstream help
@ 2004-07-19 14:26 Bernd Prager
0 siblings, 0 replies; only message in thread
From: Bernd Prager @ 2004-07-19 14:26 UTC (permalink / raw)
To: gcc-help
Hi all,
I'm trying to read a file that contains UTF-8 encoded characters.
I can't find sufficient information how to implement wfstream poperly.
I'm using g++ (GCC) 3.4.0. Here's my short test file:
#include <iostream>
#include <fstream>
using namespace std;
typedef basic_fstream<wchar_t> wfstream;
int main()
{ // internal read buffer
wchar_t buffer[255];
// read the ini file
wfstream file("tst.txt");
if (!file.is_open()) {
cerr << "can't open file " << endl;
}
file.getline(buffer, sizeof(buffer));
cout << buffer << endl;
// close the file
file.close();
return (0);
}
First I was confused that I had to insert the typedef for wfstream or I
get: "error: `wfstream' undeclared"
(I thought that would be already a standard feature?)
But even the program compiles now without warnings its crashes
during execution with:
terminate called after throwing an instance of 'std::bad_cast'
what(): St8bad_cast
Aborted (core dumped)
Can anybody tell me what I'm doing wrong?
Thanks,
-- Bernd
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