1 files changed, 45 insertions, 0 deletions
diff --git a/botan/src/filters/pipe_io.cpp b/botan/src/filters/pipe_io.cpp
new file mode 100644
index 0000000..c57be6d
--- /dev/null
+++ b/botan/src/filters/pipe_io.cpp
@@ -0,0 +1,45 @@
+/*
+* Pipe I/O
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#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;
+   }
+
+}