main_from_wmain.cc
1.38 KB
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
#include <qpdf/QUtil.hh>
#include <iostream>
#ifndef QPDF_NO_WCHAR_T
void
wmain_test()
{
// writable args and function args
auto realmain = [](int argc, char* argv[]) {
for (int i = 0; i < argc; ++i) {
std::cout << argv[i] << std::endl;
}
return 0;
};
wchar_t* argv[3];
// This works because call_main_from_wmain doesn't actually write
// to the arguments and neither does our function. Otherwise, this
// cast would be unsafe.
argv[0] = const_cast<wchar_t*>(L"ascii");
argv[1] = const_cast<wchar_t*>(L"10 \xf7 2 = 5");
argv[2] = const_cast<wchar_t*>(L"qwww\xf7\x03c0");
QUtil::call_main_from_wmain(3, argv, realmain);
}
void
cwmain_test()
{
// const args and function args
auto realmain = [](int argc, char const* const argv[]) {
for (int i = 0; i < argc; ++i) {
std::cout << "const " << argv[i] << std::endl;
}
return 0;
};
wchar_t const* argv[3] = {
L"ascii",
L"10 \xf7 2 = 5",
L"qwww\xf7\x03c0",
};
QUtil::call_main_from_wmain(3, argv, realmain);
}
#endif // QPDF_NO_WCHAR_T
int
main(int argc, char* argv[])
{
#ifndef QPDF_NO_WCHAR_T
try {
wmain_test();
cwmain_test();
} catch (std::exception& e) {
std::cout << "unexpected exception: " << e.what() << std::endl;
}
#endif // QPDF_NO_WCHAR_T
return 0;
}