annotate modules/zip/libzip/lib/zip_file_rename.c @ 527:8f8c32f102f1

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author David Demelier <markand@malikania.fr>
date Wed, 01 Jun 2016 17:36:52 +0200
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1 /*
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2 zip_file_rename.c -- rename file in zip archive
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3 Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner
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4
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5 This file is part of libzip, a library to manipulate ZIP archives.
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6 The authors can be contacted at <libzip@nih.at>
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7
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8 Redistribution and use in source and binary forms, with or without
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9 modification, are permitted provided that the following conditions
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10 are met:
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11 1. Redistributions of source code must retain the above copyright
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12 notice, this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright
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14 notice, this list of conditions and the following disclaimer in
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15 the documentation and/or other materials provided with the
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16 distribution.
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17 3. The names of the authors may not be used to endorse or promote
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18 products derived from this software without specific prior
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19 written permission.
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20
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21 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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22 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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25 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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27 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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29 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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30 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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31 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34
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35 #include <string.h>
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36
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37 #include "zipint.h"
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38
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39
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40 ZIP_EXTERN int
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41 zip_file_rename(zip_t *za, zip_uint64_t idx, const char *name, zip_flags_t flags)
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42 {
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43 const char *old_name;
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44 int old_is_dir, new_is_dir;
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45
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46 if (idx >= za->nentry || (name != NULL && strlen(name) > ZIP_UINT16_MAX)) {
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47 zip_error_set(&za->error, ZIP_ER_INVAL, 0);
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48 return -1;
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49 }
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50
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51 if (ZIP_IS_RDONLY(za)) {
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52 zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
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53 return -1;
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54 }
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55
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56 if ((old_name=zip_get_name(za, idx, 0)) == NULL)
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57 return -1;
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58
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59 new_is_dir = (name != NULL && name[strlen(name)-1] == '/');
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60 old_is_dir = (old_name[strlen(old_name)-1] == '/');
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61
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62 if (new_is_dir != old_is_dir) {
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63 zip_error_set(&za->error, ZIP_ER_INVAL, 0);
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64 return -1;
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65 }
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66
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67 return _zip_set_name(za, idx, name, flags);
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68 }