diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/filters/pipe_io.cpp')
-rw-r--r-- | comm/third_party/botan/src/lib/filters/pipe_io.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/filters/pipe_io.cpp b/comm/third_party/botan/src/lib/filters/pipe_io.cpp new file mode 100644 index 0000000000..a909cba725 --- /dev/null +++ b/comm/third_party/botan/src/lib/filters/pipe_io.cpp @@ -0,0 +1,47 @@ +/* +* Pipe I/O +* (C) 1999-2007 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#include <botan/pipe.h> +#include <istream> +#include <ostream> + +namespace Botan { + +/* +* Write data from a pipe into an ostream +*/ +std::ostream& operator<<(std::ostream& stream, Pipe& pipe) + { + secure_vector<uint8_t> buffer(BOTAN_DEFAULT_BUFFER_SIZE); + while(stream.good() && pipe.remaining()) + { + const size_t got = pipe.read(buffer.data(), buffer.size()); + stream.write(cast_uint8_ptr_to_char(buffer.data()), 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) + { + secure_vector<uint8_t> buffer(BOTAN_DEFAULT_BUFFER_SIZE); + while(stream.good()) + { + stream.read(cast_uint8_ptr_to_char(buffer.data()), buffer.size()); + const size_t got = static_cast<size_t>(stream.gcount()); + pipe.write(buffer.data(), got); + } + if(stream.bad() || (stream.fail() && !stream.eof())) + throw Stream_IO_Error("Pipe input operator (iostream) has failed"); + return stream; + } + +} |