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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2022 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
// Define openvpn::to_string() to work around the fact that
// std::to_string() is missing on Android.
// http://stackoverflow.com/questions/22774009/android-ndk-stdto-string-support
#ifndef OPENVPN_COMMON_TO_STRING_H
#define OPENVPN_COMMON_TO_STRING_H
#include <string>
#include <sstream>
#include <type_traits>
#include <openvpn/common/platform.hpp>
namespace openvpn {
// Convert an arbitrary argument to a string.
#ifndef OPENVPN_PLATFORM_ANDROID
// numeric types
template <typename T,
typename std::enable_if<std::is_arithmetic<T>::value, int>::type = 0>
inline std::string to_string(T value)
{
return std::to_string(value);
}
#endif
// non-numeric types
template <typename T
#ifndef OPENVPN_PLATFORM_ANDROID
,
typename std::enable_if<!std::is_arithmetic<T>::value, int>::type = 0
#endif
>
inline std::string to_string(const T &value)
{
std::ostringstream os;
os << value;
return os.str();
}
} // namespace openvpn
#endif
|
