blob: 98d406cca89e5cb4dfff92b96226475d7dc1a550 (
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright (c) 2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <cstdio> // for fileno(), stdin
#ifdef WIN32
#include <windows.h> // for SetStdinEcho()
#include <io.h> // for isatty()
#else
#include <termios.h> // for SetStdinEcho()
#include <unistd.h> // for SetStdinEcho(), isatty()
#include <poll.h> // for StdinReady()
#endif
#include <compat/stdin.h>
// https://stackoverflow.com/questions/1413445/reading-a-password-from-stdcin
void SetStdinEcho(bool enable)
{
#ifdef WIN32
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
DWORD mode;
GetConsoleMode(hStdin, &mode);
if (!enable) {
mode &= ~ENABLE_ECHO_INPUT;
} else {
mode |= ENABLE_ECHO_INPUT;
}
SetConsoleMode(hStdin, mode);
#else
struct termios tty;
tcgetattr(STDIN_FILENO, &tty);
if (!enable) {
tty.c_lflag &= ~ECHO;
} else {
tty.c_lflag |= ECHO;
}
(void)tcsetattr(STDIN_FILENO, TCSANOW, &tty);
#endif
}
bool StdinTerminal()
{
#ifdef WIN32
return _isatty(_fileno(stdin));
#else
return isatty(fileno(stdin));
#endif
}
bool StdinReady()
{
if (!StdinTerminal()) {
return true;
}
#ifdef WIN32
return false;
#else
struct pollfd fds;
fds.fd = 0; /* this is STDIN */
fds.events = POLLIN;
return poll(&fds, 1, 0) == 1;
#endif
}
NoechoInst::NoechoInst() { SetStdinEcho(false); }
NoechoInst::~NoechoInst() { SetStdinEcho(true); }
|
