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/*************************************************
* Pipe I/O Source File *
* (C) 1999-2008 The Botan Project *
*************************************************/
#include <botan/pipe.h>
#include <iostream>
namespace Botan {
/*************************************************
* Write data from a pipe into an ostream *
*************************************************/
std::ostream& operator<<(std::ostream& stream, Pipe& pipe)
{
SecureVector<byte> buffer(DEFAULT_BUFFERSIZE);
while(stream.good() && pipe.remaining())
{
u32bit got = pipe.read(buffer, buffer.size());
stream.write(reinterpret_cast<const char*>(buffer.begin()), got);
}
if(!stream.good())
throw Stream_IO_Error("Pipe output operator (iostream) has failed");
return stream;
}
/*************************************************
* Read data from an istream into a pipe *
*************************************************/
std::istream& operator>>(std::istream& stream, Pipe& pipe)
{
SecureVector<byte> buffer(DEFAULT_BUFFERSIZE);
while(stream.good())
{
stream.read(reinterpret_cast<char*>(buffer.begin()), buffer.size());
pipe.write(buffer, stream.gcount());
}
if(stream.bad() || (stream.fail() && !stream.eof()))
throw Stream_IO_Error("Pipe input operator (iostream) has failed");
return stream;
}
}
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