This is the mail archive of the cygwin mailing list for the Cygwin project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Incorrectly prepared lpCmdLine parameter of WinMain()

On Thu, Dec 09, 2004 at 08:52:16PM +0100, Pavel Kudrna wrote:
> Christopher Faylor  wrote://
>>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.
>Yes, but that means to create main() function.

Right.  We're talking about *UNIX* here.  That's what Cygwin is all about.
main is rather implied.


Unsubscribe info:
Problem reports:

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]