Subject: Re: Incorrectly prepared lpCmdLine parameter of WinMain()
From: Pavel Kudrna <[email-masked]>
To: [email-masked]
Date: Thu, 09 Dec 2004 20:52:16 +0100

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. As temporary solution it 
is ok, but I think
that more correct solution would be to replace the content of the file
...\cygwin-1.5.12-1\winsup\cygwin\lib\libcmain.c
with the content of
...\cygwin-1.5.12-1\winsup\mingw\main.c
Can you do it?
Thanks
Pavel Kudrna

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