Re: Data directory with trailing [back]slash

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Magnus Hagander <mha(at)sollentuna(dot)net>
Cc: PgSql-Win32 <pgsql-hackers-win32(at)postgresql(dot)org>
Subject: Re: Data directory with trailing [back]slash
Date: 2004-06-20 22:07:40
Message-ID: 40D60AAC.7000507@dunslane.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers-win32 pgsql-patches


Why isn't the path being canonicalised, which should remove the trailing
slash.

cheers

andrew

Magnus Hagander wrote:

>Hi!
>
>It's not possible to start the postmaster on win32 with:
>postmaster -D d:\pgdata\
>or
>postmaster -D d:/pgdata/
>
>but it does work with
>postmaster -D d:\pgdata
>or
>postmaster -D d:/pgdata/
>
>
>
>
>This is because of the stat() call in postmaster.c in checkDataDir() -
>stat() clearly does not work with trainling slash/backslash. I changed
>the code to:
>
> strcpy(path, checkdir);
>#ifdef WIN32
> if (path[strlen(path)-1] == '\\' || path[strlen(path)-1] == '/')
> path[strlen(path)-1] = 0;
>#endif
> if (stat(path, &stat_buf) == -1)
> {
> if (errno == ENOENT)
> ereport(FATAL,
> (errcode_for_file_access(),
> errmsg("data directory \"%s\"
>does not exist",
> path)));
> else
> ereport(FATAL,
> (errcode_for_file_access(),
> errmsg("could not read permissions of directory
>\"%s\": %m",
> path)));
> }
>
>
>It seems to work on my system. I'm not sure if this is a good place to
>do it, though, or if it should be changed at a different place. (with
>this fix it will use duplicate path separators elsewhere, but from what
>I can see this appears to work just fine).
>
>If this seems like a good idea, please apply from code above. If not,
>please direct me to a better plavce to work :-)
>
>
>This is all required for the win32 installer, because Windows Installer
>automatically adds trailing backslashes to all paths.
>
>//Magnus
>
>---------------------------(end of broadcast)---------------------------
>TIP 5: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faqs/FAQ.html
>
>
>

In response to

Browse pgsql-hackers-win32 by date

  From Date Subject
Next Message Andrew Dunstan 2004-06-21 00:21:17 Re: Data directory with trailing [back]slash
Previous Message Tom Lane 2004-06-20 19:33:23 Re: Data directory with trailing [back]slash

Browse pgsql-patches by date

  From Date Subject
Next Message Simon Riggs 2004-06-20 22:27:31 Re: Tablespaces
Previous Message Tom Lane 2004-06-20 21:43:48 Re: nested xacts and phantom Xids