Botan
1.11.15
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00001 /* 00002 * Pipe I/O 00003 * (C) 1999-2007 Jack Lloyd 00004 * 00005 * Botan is released under the Simplified BSD License (see license.txt) 00006 */ 00007 00008 #include <botan/pipe.h> 00009 #include <iostream> 00010 00011 namespace Botan { 00012 00013 /* 00014 * Write data from a pipe into an ostream 00015 */ 00016 std::ostream& operator<<(std::ostream& stream, Pipe& pipe) 00017 { 00018 secure_vector<byte> buffer(DEFAULT_BUFFERSIZE); 00019 while(stream.good() && pipe.remaining()) 00020 { 00021 size_t got = pipe.read(&buffer[0], buffer.size()); 00022 stream.write(reinterpret_cast<const char*>(&buffer[0]), got); 00023 } 00024 if(!stream.good()) 00025 throw Stream_IO_Error("Pipe output operator (iostream) has failed"); 00026 return stream; 00027 } 00028 00029 /* 00030 * Read data from an istream into a pipe 00031 */ 00032 std::istream& operator>>(std::istream& stream, Pipe& pipe) 00033 { 00034 secure_vector<byte> buffer(DEFAULT_BUFFERSIZE); 00035 while(stream.good()) 00036 { 00037 stream.read(reinterpret_cast<char*>(&buffer[0]), buffer.size()); 00038 pipe.write(&buffer[0], stream.gcount()); 00039 } 00040 if(stream.bad() || (stream.fail() && !stream.eof())) 00041 throw Stream_IO_Error("Pipe input operator (iostream) has failed"); 00042 return stream; 00043 } 00044 00045 }