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FYI: added comment in fts.c


From: Jim Meyering
Subject: FYI: added comment in fts.c
Date: Wed, 08 Nov 2006 14:49:49 +0100

I've just done this:

        * lib/fts.c (fts_safe_changedir): Add a comment.

Index: lib/fts.c
===================================================================
RCS file: /sources/gnulib/gnulib/lib/fts.c,v
retrieving revision 1.24
diff -u -r1.24 fts.c
--- lib/fts.c   8 Nov 2006 07:42:26 -0000       1.24
+++ lib/fts.c   8 Nov 2006 13:49:19 -0000
@@ -1505,6 +1505,11 @@
        int ret;

        int newfd = fd;
+
+       /* This clause handles the unusual case in which FTS_NOCHDIR
+          is specified, along with FTS_CWDFD.  In that case, there is
+          no need to change even the virtual cwd file descriptor.
+          However, if FD is non-negative, we do close it here.  */
        if (ISSET(FTS_NOCHDIR)) {
                if (ISSET(FTS_CWDFD) && 0 <= fd)
                        close (fd);




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