Annotation of embedaddon/php/ext/zip/lib/zip_set_file_extra.c, revision 1.1.1.1
1.1 misho 1: /*
2: zip_set_file_extra.c -- set extra field for file in archive
3: Copyright (C) 2006-2010 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)
43: zip_set_file_extra(struct zip *za, zip_uint64_t idx,
44: const char *extra, int len)
45: {
46: char *tmpext;
47:
48: if (idx >= za->nentry
49: || len < 0 || len > MAXEXTLEN
50: || (len > 0 && extra == NULL)) {
51: _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
52: return -1;
53: }
54:
55: if (ZIP_IS_RDONLY(za)) {
56: _zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
57: return -1;
58: }
59:
60: if (len > 0) {
61: if ((tmpext=(char *)_zip_memdup(extra, len, &za->error)) == NULL)
62: return -1;
63: }
64: else
65: tmpext = NULL;
66:
67: free(za->entry[idx].ch_extra);
68: za->entry[idx].ch_extra = tmpext;
69: za->entry[idx].ch_extra_len = len;
70:
71: return 0;
72: }
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