Annotation of embedaddon/php/ext/zip/lib/zip_unchange.c, revision 1.1.1.2
1.1 misho 1: /*
2: zip_unchange.c -- undo changes to file in zip archive
3: Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
4:
5: This file is part of libzip, a library to manipulate ZIP archives.
6: The authors can be contacted at <libzip@nih.at>
7:
8: Redistribution and use in source and binary forms, with or without
9: modification, are permitted provided that the following conditions
10: are met:
11: 1. Redistributions of source code must retain the above copyright
12: notice, this list of conditions and the following disclaimer.
13: 2. Redistributions in binary form must reproduce the above copyright
14: notice, this list of conditions and the following disclaimer in
15: the documentation and/or other materials provided with the
16: distribution.
17: 3. The names of the authors may not be used to endorse or promote
18: products derived from this software without specific prior
19: written permission.
20:
21: THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
22: OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
25: DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27: GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29: IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30: OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31: IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34:
35:
36: #include <stdlib.h>
37:
38: #include "zipint.h"
39:
40:
41:
42: ZIP_EXTERN(int)
1.1.1.2 ! misho 43: zip_unchange(struct zip *za, zip_uint64_t idx)
1.1 misho 44: {
45: return _zip_unchange(za, idx, 0);
46: }
47:
48:
49:
50: int
1.1.1.2 ! misho 51: _zip_unchange(struct zip *za, zip_uint64_t idx, int allow_duplicates)
1.1 misho 52: {
53: int i;
54:
1.1.1.2 ! misho 55: if (idx >= za->nentry) {
1.1 misho 56: _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
57: return -1;
58: }
59:
60: if (za->entry[idx].ch_filename) {
61: if (!allow_duplicates) {
62: i = _zip_name_locate(za,
63: _zip_get_name(za, idx, ZIP_FL_UNCHANGED, NULL),
64: 0, NULL);
65: if (i != -1 && i != idx) {
66: _zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
67: return -1;
68: }
69: }
70:
71: free(za->entry[idx].ch_filename);
72: za->entry[idx].ch_filename = NULL;
73: }
74:
1.1.1.2 ! misho 75: free(za->entry[idx].ch_extra);
! 76: za->entry[idx].ch_extra = NULL;
! 77: za->entry[idx].ch_extra_len = -1;
1.1 misho 78: free(za->entry[idx].ch_comment);
79: za->entry[idx].ch_comment = NULL;
80: za->entry[idx].ch_comment_len = -1;
81:
82: _zip_unchange_data(za->entry+idx);
83:
84: return 0;
85: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>