This is the mail archive of the
cygwin
mailing list for the Cygwin project.
Re: Incorrectly prepared lpCmdLine parameter of WinMain()
- From: Christopher Faylor <cgf-no-personal-reply-please at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 9 Dec 2004 10:37:20 -0500
- Subject: Re: Incorrectly prepared lpCmdLine parameter of WinMain()
- References: <41B839E2.5020803@mff.cuni.cz>
- Reply-to: cygwin at cygwin dot com
On Thu, Dec 09, 2004 at 12:41:22PM +0100, Pavel Kudrna wrote:
>The caller of WinMain() incorrectly parses the command line if e.g.
>the space is present in the path or filename of the executable.
>The lpCmdLine then contains part of the filename at the beginning.
>
>/* program.c*/
>#include <windows.h>
>int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
>LPSTR lpCmdLine, int nCmdShow )
>{
> MessageBox(NULL, lpCmdLine, "lpCmdLine:", MB_OK );
> return 0;
>}
>
>$ gcc program.c -mwin32
>$ mv a.exe "a a.exe"
>$ "./a a.exe" "1st parameter" 2nd\ parameter
>
>Then MessageBox shows that lpCmdLine contains:
>a.exe" "1st parameter" "2nd parameter"
>
>If program is compiled with -mno-cygwin the bug is not present and
>lpCmdLine is ok:
>"1st parameter" "2nd parameter"
Sounds like you should be using argv[] rather than lpCmdLine.
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/