freebsd-nq/contrib/tar/lib/rename.c
2002-06-04 10:37:47 +00:00

68 lines
1.8 KiB
C

/* Work around the bug in some systems whereby rename fails when the source
path has a trailing slash. The rename from SunOS 4.1.1_U1 has this bug.
Copyright (C) 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* written by Volker Borchert */
#include <config.h>
#include <stdio.h>
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#if HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#include "dirname.h"
#include "xalloc.h"
#ifndef HAVE_DECL_FREE
"this configure-time declaration test was not run"
#endif
#if !HAVE_DECL_FREE
void free ();
#endif
/* Rename the file SRC_PATH to DST_PATH, removing any trailing
slashes from SRC_PATH. Needed for SunOS 4.1.1_U1. */
int
rpl_rename (const char *src_path, const char *dst_path)
{
char *src_temp;
int ret_val;
size_t s_len = strlen (src_path);
if (s_len && src_path[s_len - 1] == '/')
{
src_temp = xstrdup (src_path);
strip_trailing_slashes (src_temp);
}
else
src_temp = (char *) src_path;
ret_val = rename (src_temp, dst_path);
if (src_temp != src_path)
free (src_temp);
return ret_val;
}