[boost] Standard stream from C fopen()

12 Nov 2010

      Hi!

I Use this code for make a standard stream from a C fopen() FILE* :

    FILE *fd = fopen("Prova", "w");
        if (fd)
        {

          //  io::stream_buffer<io::file_descriptor_source> fpstream
(fileno(fd));
          //std::istream in (&fpstream);

        istream in = boost::iostreams::file_descriptor(fileno(fd));
      }

But I obtain an error (G++ on Linux Ubuntu):

[...]
error: conversion from ‘boost::iostreams::file_descriptor’ to non-scalar
type ‘std::istream’ requested|
[...]
error: call of overloaded ‘path(const int&)’ is ambiguous|
[...]

Why? 
What is the correct method?

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[boost] Standard stream from C fopen()

Claude