Annotation of embedaddon/php/ext/zip/lib/zip_source_open.c, revision 1.1.1.1
1.1 misho 1: /*
2: zip_source_open.c -- open zip_source (prepare for reading)
3: Copyright (C) 2009 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 "zipint.h"
37:
38:
39:
40: ZIP_EXTERN(int)
41: zip_source_open(struct zip_source *src)
42: {
43: zip_int64_t ret;
44:
45: if (src->is_open) {
46: src->error_source = ZIP_LES_INVAL;
47: return -1;
48: }
49:
50: if (src->src == NULL) {
51: if (src->cb.f(src->ud, NULL, 0, ZIP_SOURCE_OPEN) < 0)
52: return -1;
53: }
54: else {
55: if (zip_source_open(src->src) < 0) {
56: src->error_source = ZIP_LES_LOWER;
57: return -1;
58: }
59:
60: ret = src->cb.l(src->src, src->ud, NULL, 0, ZIP_SOURCE_OPEN);
61:
62: if (ret < 0) {
63: (void)zip_source_close(src->src);
64:
65: if (ret == ZIP_SOURCE_ERR_LOWER)
66: src->error_source = ZIP_LES_LOWER;
67: else
68: src->error_source = ZIP_LES_UPPER;
69: return -1;
70: }
71: }
72:
73: src->is_open = 1;
74:
75: return 0;
76: }
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