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Garbage from Command Line

Started by ms291052 May 8, 2004 at 2:13 PM 4 replies 300+ views

Original Post

May 8, 2004 at 2:13 PM

In my windows app I have int WINAPI WinMain( HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow) { printf("%s\n", cmd); } and I can call it as just C:\> app C:\> app.exe C:\> app -flag C:\> app.exe -flag and no matter what I get garbage. Is there any rhyme or reason to why? All I want is the string so I can grab the flags, is that too much to ask from windows

Aprosenf

May 8, 2004 at 3:50 PM

Don''t use stdin and stdout with a non-console application. Try something more like:

#include <windows.h>
 
int WINAPI WinMain(HINSTANCE hinst, HINSTANCE hprev, LPSTR cmdline, int cmdshow)
{
	MessageBox(NULL,		// Parent window
		   cmdline,		// String to display
		   "Command line",	// Title
		   MB_OK);		// Set of buttons (just OK button)
 
	return 0;
}

ms291052

Author

ms291052

May 8, 2004 at 5:57 PM

Thanks for your advice. I actually have a console for the purposes of debugging in the application too, so using cout, cin, printf, and all that jazz does work. However, I tried the same thing with MessageBox and got (different) garbage. Any more advice?

ms291052

Author

ms291052

May 8, 2004 at 6:14 PM

I got it working with GetCommandLine() but ever with cmdlind. Odd, but atleast it is working.

Thunder_Hawk

May 8, 2004 at 6:16 PM

Does your system use unicode?

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BriTeg

May 8, 2004 at 7:12 PM

The variable name in your WinMain prototype is "cmdline". The variable you are passing to printf is "cmd". Whoopsie.

Brian
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