Annotation of embedaddon/php/ext/zip/lib/zip_set_file_comment.c, revision 1.1.1.1
1.1 misho 1: /*
2: zip_set_file_comment.c -- set comment for file in archive
3: Copyright (C) 2006-2007 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)
43: zip_set_file_comment(struct zip *za, int idx, const char *comment, int len)
44: {
45: char *tmpcom;
46:
47: if (idx < 0 || idx >= za->nentry
48: || len < 0 || len > MAXCOMLEN
49: || (len > 0 && comment == NULL)) {
50: _zip_error_set(&za->error, ZIP_ER_INVAL, 0);
51: return -1;
52: }
53:
54: if (len > 0) {
55: if ((tmpcom=(char *)_zip_memdup(comment, len, &za->error)) == NULL)
56: return -1;
57: }
58: else
59: tmpcom = NULL;
60:
61: free(za->entry[idx].ch_comment);
62: za->entry[idx].ch_comment = tmpcom;
63: za->entry[idx].ch_comment_len = len;
64:
65: return 0;
66: }
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