KERNEL: force copying of DOS-style path into argv[0] of PE process

[Alex Villací­s Lasso]

Alexandre Julliard wrote:

>Alex Villací­s Lasso <a_villacis at palosanto.com> writes:
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>>Sorry to disagree, but I have seen this behavior (fully qualified name 
>>in argv[0]) since MS-DOS and Windows 3.1. Even some old C tutorial books 
>>mention it in passing. I have also replicated this behavior from the 
>>command line (COMMAND.COM) in MS-Windows 98 in a DOS box, without using 
>>Explorer. My sample app prints out the argv[] array and it consistenly 
>>shows a fully qualified path to the executable in argv[0], even when run 
>>from a DOS box.
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>It's OK to change argv[0] when started from a Unix shell, but not when
>started from another Windows process. Your patch does it in all cases,
>which is not correct.
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Sounds reasonable. What is the proper way to tell apart the two cases?