blob: a909cba7259dbac60a358dba83a4c2df90e996fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
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;
}
}
|