COMSPEC environment variable missing
Christopher Faylor
cgf-no-personal-reply-please@cygwin.com
Sat Dec 31 04:37:00 GMT 2005
On Thu, Dec 29, 2005 at 03:11:00AM +0100, Ingo Brueckl wrote:
>Hi.
>
>I'm using the 20051227-snapshot of cygwin1.dll. This is my Windows 98SE
>environment as told by the 'set' command:
>
> TMP=C:\WINDOWS\TEMP
> TEMP=C:\WINDOWS\TEMP
> PROMPT=$p$g
> winbootdir=C:\WINDOWS
> PATH=C:\WINDOWS;C:\WINDOWS\COMMAND
> COMSPEC=C:\WINDOWS\COMMAND.COM
> DIRCMD=/o:gne
> windir=C:\WINDOWS
> BLASTER=A220 I5 D1 H5 P330 T6
> CMDLINE=myset
>
>In a cygwin program, there is no COMSPEC environment variable. I get NULL
>when using getenv().
>
>In order to check my cygwin environment, I wrote the following program:
>
> #include <stdio.h>
> #include <unistd.h>
>
> int main()
> {
> int i;
>
> for(i = 0;; i++)
> if (environ[i]) puts(environ[i]);
> else break;
>
> return 0;
> }
>
>which returns:
>
> !C:=C:\WINDOWS\TEMP
> TMP=/tmp
> TEMP=/tmp
> PROMPT=$p$g
> WINBOOTDIR=C:\WINDOWS
> PATH=/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/COMMAND
> DIRCMD=/o:gne
> WINDIR=C:\WINDOWS
> BLASTER=A220 I5 D1 H5 P330 T6
> CMDLINE=myset
> PATH=/cygdrive/c/WINDOWS:/cygdrive/c/WINDOWS/COMMAND
> TERM=cygwin
> HOME=/home/ib
>
>Indeed, COMSPEC is missing, and PATH is twice.
PATH twice is a bug (but not a regression). I couldn't duplicate the
missing COMSPEC. I only have WinME to try this on, though.
cgf
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