Mercurial > embed
comparison libzip/lib/zip_stat_index.c @ 20:3b18afe43c9d
libzip: reimport version 1.1.3
author | David Demelier <markand@malikania.fr> |
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date | Wed, 29 Jun 2016 09:24:55 +0200 |
parents | 2306f4b04790 |
children | 056ee6b5913e |
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19:07f2cdc6e430 | 20:3b18afe43c9d |
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1 /* | |
2 zip_stat_index.c -- get information about file by index | |
3 Copyright (C) 1999-2014 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 #include "zipint.h" | |
36 | |
37 | |
38 ZIP_EXTERN int | |
39 zip_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags, | |
40 zip_stat_t *st) | |
41 { | |
42 const char *name; | |
43 zip_dirent_t *de; | |
44 | |
45 if ((de=_zip_get_dirent(za, index, flags, NULL)) == NULL) | |
46 return -1; | |
47 | |
48 if ((name=zip_get_name(za, index, flags)) == NULL) | |
49 return -1; | |
50 | |
51 | |
52 if ((flags & ZIP_FL_UNCHANGED) == 0 | |
53 && ZIP_ENTRY_DATA_CHANGED(za->entry+index)) { | |
54 if (zip_source_stat(za->entry[index].source, st) < 0) { | |
55 zip_error_set(&za->error, ZIP_ER_CHANGED, 0); | |
56 return -1; | |
57 } | |
58 } | |
59 else { | |
60 zip_stat_init(st); | |
61 | |
62 st->crc = de->crc; | |
63 st->size = de->uncomp_size; | |
64 st->mtime = de->last_mod; | |
65 st->comp_size = de->comp_size; | |
66 st->comp_method = (zip_uint16_t)de->comp_method; | |
67 if (de->bitflags & ZIP_GPBF_ENCRYPTED) { | |
68 if (de->bitflags & ZIP_GPBF_STRONG_ENCRYPTION) { | |
69 /* TODO */ | |
70 st->encryption_method = ZIP_EM_UNKNOWN; | |
71 } | |
72 else | |
73 st->encryption_method = ZIP_EM_TRAD_PKWARE; | |
74 } | |
75 else | |
76 st->encryption_method = ZIP_EM_NONE; | |
77 st->valid = ZIP_STAT_CRC|ZIP_STAT_SIZE|ZIP_STAT_MTIME | |
78 |ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD; | |
79 } | |
80 | |
81 st->index = index; | |
82 st->name = name; | |
83 st->valid |= ZIP_STAT_INDEX|ZIP_STAT_NAME; | |
84 | |
85 return 0; | |
86 } |