1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
zip_source_pass_to_lower_layer.c -- pass command to lower layer
Copyright (C) 2022 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <info@libzip.org>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
zip_int64_t zip_source_pass_to_lower_layer(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command) {
switch (command) {
case ZIP_SOURCE_OPEN:
case ZIP_SOURCE_CLOSE:
case ZIP_SOURCE_FREE:
case ZIP_SOURCE_GET_FILE_ATTRIBUTES:
case ZIP_SOURCE_SUPPORTS_REOPEN:
return 0;
case ZIP_SOURCE_STAT:
return sizeof(zip_stat_t);
case ZIP_SOURCE_ACCEPT_EMPTY:
case ZIP_SOURCE_ERROR:
case ZIP_SOURCE_READ:
case ZIP_SOURCE_SEEK:
case ZIP_SOURCE_TELL:
return _zip_source_call(src, data, length, command);
case ZIP_SOURCE_BEGIN_WRITE:
case ZIP_SOURCE_BEGIN_WRITE_CLONING:
case ZIP_SOURCE_COMMIT_WRITE:
case ZIP_SOURCE_REMOVE:
case ZIP_SOURCE_ROLLBACK_WRITE:
case ZIP_SOURCE_SEEK_WRITE:
case ZIP_SOURCE_TELL_WRITE:
case ZIP_SOURCE_WRITE:
zip_error_set(&src->error, ZIP_ER_OPNOTSUPP, 0);
return -1;
case ZIP_SOURCE_SUPPORTS:
if (length < sizeof(zip_int64_t)) {
zip_error_set(&src->error, ZIP_ER_INTERNAL, 0);
return -1;
}
return *(zip_int64_t *)data;
default:
zip_error_set(&src->error, ZIP_ER_OPNOTSUPP, 0);
return -1;
}
}
|
