Prevent console from closing

Question

I tried std::getchar();, cin::get(); and system ("sleep");, but nothing stops the console from closing, because it seems, that all of these functions misinterpret the pressed enter key that was supposed to confirm input for scanf. How can I prevent the console from closing with a "Press enter / any key to close" behavior after scanf? I don't want to use functions stopping the console totally from doing something for some time (like sleep) or non-portable functions (like system ("sleep")), unless such functions are the only ways.

int main () {
    wchar_t *user = new wchar_t[30];
    wscanf (L"%30ls", user);
    // Process data... (very short time)

    std::getchar ();

    return 0;
}

IDE: Visual Studio 2013 (12.0) Express I don't know the compiler. I created an empty C++ project and didn't change any settings.

possible duplicate of [Why is the Console Closing after I've included cin.get()?](http://stackoverflow.com/questions/6398229/why-is-the-console-closing-after-ive-included-cin-get) — uchar, Aug 06 '14 at 20:16
The possible duplicate has the same problem. After calling `scanf` there is a trailing `\n` that gets read by `cin.get()`, `system("pause")` and `std::getchar()`. So merlin's solution (using `std::getchar()` twice works pretty well. — Cubi73, Aug 06 '14 at 20:21
Don't code it in. Run the program from the command line like it's meant to be run, or if running from the IDE, tell the IDE to pause it. — chris, Aug 06 '14 at 20:26

score 1 · Accepted Answer · answered Aug 06 '14 at 20:14

1

Do it like this:

// do your stuff here

// prevent console from closing
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cin.get();

answered Aug 06 '14 at 20:14

char8_t

320
2
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Because this answer works as well as merlin's solution (using `getchar()` twice, you get the correct answer. – Cubi73 Aug 06 '14 at 20:24

score -1 · Answer 2 · answered Aug 06 '14 at 20:10

-1

Use system("pause"); at the end of main() function.

answered Aug 06 '14 at 20:10

Subodh S

105
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Prevent console from closing

2 Answers2