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
73
74
75
76
77
78
79
80
81
82
83
84
85
|
#include <iostream>
#include <string>
#include <thread>
#include <boost/process/v2/environment.hpp>
extern char **environ;
#if defined(BOOST_PROCESS_V2_WINDOWS)
#include <windows.h>
#else
#include <unistd.h>
#endif
int main(int argc, char * argv[])
{
std::string mode = argv[1];
if (mode == "exit-code")
return std::stoi(argv[2]);
else if (mode == "sleep")
{
const auto delay = std::chrono::milliseconds(std::stoi(argv[2]));
std::this_thread::sleep_for(delay);
return 0;
}
else if (mode == "print-args")
for (auto i = 0; i < argc; i++)
{
std::cout << argv[i] << std::endl;
std::cerr << argv[i] << std::endl;
if (!std::cout || !std::cerr)
return 1;
}
else if (mode == "echo")
std::cout << std::cin.rdbuf();
else if (mode == "print-cwd")
{
#if defined(BOOST_PROCESS_V2_WINDOWS)
wchar_t buf[65535];
const auto sz = ::GetCurrentDirectoryW(sizeof(buf), buf);
std::wcout << boost::process::v2::wstring_view(buf, sz) << std::flush;
#else
char buf[65535];
printf(::getcwd(buf, sizeof(buf)));
#endif
return 0;
}
else if (mode == "check-eof")
{
std::string st;
std::cin >> st;
return std::cin.eof() ? 0 : 1;
}
else if (mode == "print-env")
{
auto p = ::getenv(argv[2]);
if (p && *p)
printf("%s", p);
else
{
printf("Can't find %s in environment\n", argv[2]);
for (auto e = environ; e != nullptr; e++)
printf(" %s\n", *e);
return 3;
}
}
#if defined(BOOST_PROCESS_V2_WINDOWS)
else if (mode == "showwindow")
{
STARTUPINFO si;
GetStartupInfo(&si);
return static_cast<int>(si.wShowWindow);
}
else if (mode == "creation-flags")
{
STARTUPINFO si;
GetStartupInfo(&si);
return static_cast<int>(si.dwFlags);
}
#endif
else
return 34;
return 0;
}
|
