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Mail Archives: cygwin-developers/1999/12/11/21:24:14

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Date: Sat, 11 Dec 1999 20:22:31 -0500
From: Chris Faylor <cgf AT cygnus DOT com>
To: Corinna Vinschen <corinna AT vinschen DOT de>
Cc: cygdev <cygwin-developers AT sourceware DOT cygnus DOT com>
Subject: Re: Patch: traling backslash
Message-ID: <19991211202231.A6319@cygnus.com>
Mail-Followup-To: Corinna Vinschen <corinna AT vinschen DOT de>,
cygdev <cygwin-developers AT sourceware DOT cygnus DOT com>
References: <385156DC DOT 3A4516EA AT vinschen DOT de> <19991210214114 DOT A4054 AT cygnus DOT com> <38525679 DOT 74D41BB2 AT vinschen DOT de>
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In-Reply-To: <38525679.74D41BB2@vinschen.de>; from corinna@vinschen.de on Sat, Dec 11, 1999 at 02:49:45PM +0100

Applied.  Thanks.

cgf

On Sat, Dec 11, 1999 at 02:49:45PM +0100, Corinna Vinschen wrote:
>Chris Faylor wrote:
>> Sorry that I didn't have time to give this my full attention earlier.
>> 
>> This looks basically ok, but I think you left in a section of code that
>> shouldn't be there.  It seems to run a while loop twice looking for a
>> '\\'.  That can't be right.  Is this just something wrong with the
>> patch?
>
>Aarg! You're right. I have checked it with an earlier snapshot and
>I was negligent when moving the patch to the latest snapshot.
>Sorry about that. It should be:
>
>==== SNIP ====
>Index: path.cc
>===================================================================
>RCS file: /src/cvsroot/winsup-991207/path.cc,v
>retrieving revision 1.1.1.1
>diff -u -p -r1.1.1.1 path.cc
>--- path.cc     1999/12/08 22:51:38     1.1.1.1
>+++ path.cc     1999/12/11 09:07:10
>@@ -221,8 +221,14 @@ path_conv::path_conv (const char *src, s
>
>       /* Eat trailing slashes */
>       char *tail = strchr (full_path, '\0');
>-      while (tail > full_path && (*--tail == '\\'))
>-       *tail = '\0';
>+      /* If path is only a drivename, Windows interprets it as
>+         the current working directory on this drive instead of
>+         the root dir which is what we want. So we need
>+         the trailing backslash in this case. */
>+      while (tail > full_path + 3 && (*--tail == '\\'))
>+        *tail = '\0';
>+      if (full_path[0] && full_path[1] == ':' && full_path[2] == '\0')
>+        strcat (full_path, "\\");
>
>       if (follow_mode == SYMLINK_IGNORE)
>        {
>==== SNAP ====
>
>> Also, I'm not sure what this is going to do to those mount tables which
>> have just a "c:" in them.  I think they should work ok but somehow I
>> have a nagging feeling that there might be a problem there somewhere.
>
>These mount table entries of the style "c:" are the problem.
>If path_conv::get_win32() returns them, the WinAPI returns information
>for the cwd on this drive, not of the root dir.
>
>The above code only adds a trailing backslash, if the result of the
>conversion is "X:". If the result is "X:\" it leaves the backslash
>at it's position. If the result is "X:\foo\" it eats the trailing
>backslash as before.

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