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Viewing changes to src/lib/filters/pipe_io.cpp

  • Committer: Package Import Robot
  • Author(s): Laszlo Boszormenyi (GCS)
  • Date: 2018-03-01 22:23:25 UTC
  • mfrom: (1.2.2)
  • Revision ID: package-import@ubuntu.com-20180301222325-7p7vc45gu3hta34d
Tags: 2.4.0-2
* Don't remove .doctrees from the manual if it doesn't exist.
* Don't specify parallel to debhelper.

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src/lib/filters/pipe_io.cpp
 
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/*
 
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* Pipe I/O
 
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* (C) 1999-2007 Jack Lloyd
 
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*
 
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* Botan is released under the Simplified BSD License (see license.txt)
 
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*/
 
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#include <botan/pipe.h>
 
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#include <istream>
 
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#include <ostream>
 
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namespace Botan {
 
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/*
 
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* Write data from a pipe into an ostream
 
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*/
 
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std::ostream& operator<<(std::ostream& stream, Pipe& pipe)
 
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   {
 
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   secure_vector<uint8_t> buffer(DEFAULT_BUFFERSIZE);
 
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   while(stream.good() && pipe.remaining())
 
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      {
 
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      const size_t got = pipe.read(buffer.data(), buffer.size());
 
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      stream.write(cast_uint8_ptr_to_char(buffer.data()), got);
 
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      }
 
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   if(!stream.good())
 
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      throw Stream_IO_Error("Pipe output operator (iostream) has failed");
 
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   return stream;
 
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   }
 
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/*
 
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* Read data from an istream into a pipe
 
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*/
 
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std::istream& operator>>(std::istream& stream, Pipe& pipe)
 
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   {
 
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   secure_vector<uint8_t> buffer(DEFAULT_BUFFERSIZE);
 
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   while(stream.good())
 
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      {
 
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      stream.read(cast_uint8_ptr_to_char(buffer.data()), buffer.size());
 
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      const size_t got = static_cast<size_t>(stream.gcount());
 
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      pipe.write(buffer.data(), got);
 
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      }
 
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   if(stream.bad() || (stream.fail() && !stream.eof()))
 
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      throw Stream_IO_Error("Pipe input operator (iostream) has failed");
 
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   return stream;
 
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   }
 
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}