[gvfs] ftp: Fix directory parsing error on AIX.

[Ross Lagerwall <rossl src gnome org>]

commit 93fbba7d28c98101498975c53ba57e2527037710
Author: Ross Lagerwall <rosslagerwall gmail com>
Date:   Sat Feb 28 12:38:45 2015 +0000

    ftp: Fix directory parsing error on AIX.
    
    Fix from upstream:
    http://hg.mozilla.org/mozilla-central/rev/b623418ab1de
    https://bugzilla.mozilla.org/show_bug.cgi?id=543805
    
    https://bugzilla.gnome.org/show_bug.cgi?id=601583

 daemon/ParseFTPList.c |   21 +++++++++++++++------
 1 files changed, 15 insertions(+), 6 deletions(-)
---
diff --git a/daemon/ParseFTPList.c b/daemon/ParseFTPList.c
index 2d2ce0f..0bd64b8 100644
--- a/daemon/ParseFTPList.c
+++ b/daemon/ParseFTPList.c
@@ -1196,12 +1196,21 @@ int ParseFTPList(const char *line, struct list_state *state,
        
         } /* time/year */
         
-        // there is exacly 1 space between filename and previous token in all
-        // outputs except old Hellsoft
-        if (!is_old_Hellsoft)
-          result->fe_fname = tokens[tokmarker+3] + toklen[tokmarker+3] + 1;
-        else
-          result->fe_fname = tokens[tokmarker+4];
+        // The length of the whole date string should be 12. On AIX the length
+        // is only 11 when the year is present in the date string and there is
+        // 1 padding space at the end of the string. In both cases the filename
+        // starts at offset 13 from the start of the date string.
+        // Don't care about leading spaces when the date string has different
+        // format or when old Hellsoft output was detected.
+        {
+          const char *date_start = tokens[tokmarker+1];
+          const char *date_end = tokens[tokmarker+3] + toklen[tokmarker+3];
+          if (!is_old_Hellsoft && ((date_end - date_start) == 12 ||
+              ((date_end - date_start) == 11 && date_end[1] == ' ')))
+            result->fe_fname = date_start + 13;
+          else
+            result->fe_fname = tokens[tokmarker+4];
+        }
 
         result->fe_fnlen = (&(line[linelen]))
                            - (result->fe_fname);