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Re: pg_ctl start broken on windows

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: pgsql-hackers-win32 <pgsql-hackers-win32(at)postgresql(dot)org>
Subject: Re: pg_ctl start broken on windows
Date: 2004-06-09 16:58:27
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers-win32
Bruce Momjian wrote:

>Andrew Dunstan wrote:
>>As I feared might happen, the use of a system() call to start the 
>>postmaster in Windows is broken because of the brain dead way its shell 
>>handles quotes.  I was able to get around this in initdb by making sure 
>>that only one thing on the command line was quoted (by putting PGDATA in 
>>the environment instead of the command line). We can't do that here ;-( 
>>. Here's what happens:
>>C:\msys\1.0\local\pgsql>bin\pg_ctl -D data -l logfile start
>>'C:/msys/1.0/local/pgsql/bin/postmaster.exe"  < nul >>"logfile' is not recognized as an internal or external command, operable program or batch file.
>>I think we'll have to bite the bullet and replace that system() call 
>>with a direct call to CreateProcess() with the appropriate parameters. I 
>>haven't ever done this, so some help from one of the more experienced 
>>Windows programmers would be appreciated.
>Yes, I assumed pg_ctl would have such issues.  pg_dumpall has them as
>well calling pg_dump.
>Here is a strange idea that I am looking for someone to check. According
>to someone, Win32 system just strips off the first and last quotes, and
>that is why it is failing.  Try adding a quote to the beginning and end
>of the system string, and leave the existing quote intact.  That might
>fix is and if it does I can add this to CVS.

I'll test to make sure, but I can tell you now it won't work. It will 
see the inner quotes and interpret them as part of the command. (I tried 
all these variants when I was testing initdb).



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