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annotate lib/rename.c @ 4229:c7ddde35beec

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Make this module usable in shared libraries.
author Bruno Haible <bruno@clisp.org>
date Fri, 31 Jan 2003 15:47:03 +0000
parents 8784488b0ea1
children 092d9a2797a7
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1 /* Work around the bug in some systems whereby rename fails when the source
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2 path has a trailing slash. The rename functions of SunOS 4.1.1_U1 and
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3 mips-dec-ultrix4.4 have this bug.
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4 Copyright (C) 2001-2003 Free Software Foundation, Inc.
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5
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6 This program is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software Foundation,
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18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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19
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20 /* written by Volker Borchert */
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21
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22 #if HAVE_CONFIG_H
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23 # include <config.h>
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24 #endif
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25 #undef rename
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26
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27 #include <stdio.h>
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28 #if HAVE_STDLIB_H
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29 # include <stdlib.h>
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30 #endif
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31
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32 #if HAVE_STRING_H
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33 # include <string.h>
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34 #else
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35 # include <strings.h>
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36 #endif
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37
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38 #include "dirname.h"
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39 #include "xalloc.h"
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40
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41 #ifndef HAVE_DECL_FREE
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42 "this configure-time declaration test was not run"
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43 #endif
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44 #if !HAVE_DECL_FREE
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45 void free ();
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46 #endif
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47
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48 /* Rename the file SRC_PATH to DST_PATH, removing any trailing
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49 slashes from SRC_PATH. Needed for SunOS 4.1.1_U1. */
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50
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51 int
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52 rpl_rename (const char *src_path, const char *dst_path)
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53 {
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54 char *src_temp;
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55 int ret_val;
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56 size_t s_len = strlen (src_path);
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57
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58 if (s_len && src_path[s_len - 1] == '/')
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59 {
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60 src_temp = xstrdup (src_path);
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61 strip_trailing_slashes (src_temp);
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62 }
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63 else
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64 src_temp = (char *) src_path;
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65
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66 ret_val = rename (src_temp, dst_path);
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67
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68 if (src_temp != src_path)
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69 free (src_temp);
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70
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71 return ret_val;
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72 }