Mercurial > code
comparison modules/zip/libzip/lib/zip_error.c @ 527:8f8c32f102f1
Zip: resurrection
author | David Demelier <markand@malikania.fr> |
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date | Wed, 01 Jun 2016 17:36:52 +0200 |
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526:b26d8be94adb | 527:8f8c32f102f1 |
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1 /* | |
2 zip_error.c -- zip_error_t helper functions | |
3 Copyright (C) 1999-2015 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 #include <stdlib.h> | |
35 | |
36 #include "zipint.h" | |
37 | |
38 | |
39 ZIP_EXTERN int | |
40 zip_error_code_system(const zip_error_t *error) { | |
41 return error->sys_err; | |
42 } | |
43 | |
44 | |
45 ZIP_EXTERN int | |
46 zip_error_code_zip(const zip_error_t *error) { | |
47 return error->zip_err; | |
48 } | |
49 | |
50 | |
51 ZIP_EXTERN void | |
52 zip_error_fini(zip_error_t *err) | |
53 { | |
54 free(err->str); | |
55 err->str = NULL; | |
56 } | |
57 | |
58 | |
59 ZIP_EXTERN void | |
60 zip_error_init(zip_error_t *err) | |
61 { | |
62 err->zip_err = ZIP_ER_OK; | |
63 err->sys_err = 0; | |
64 err->str = NULL; | |
65 } | |
66 | |
67 ZIP_EXTERN void | |
68 zip_error_init_with_code(zip_error_t *error, int ze) | |
69 { | |
70 zip_error_init(error); | |
71 error->zip_err = ze; | |
72 switch (zip_error_system_type(error)) { | |
73 case ZIP_ET_SYS: | |
74 error->sys_err = errno; | |
75 break; | |
76 | |
77 default: | |
78 error->sys_err = 0; | |
79 break; | |
80 } | |
81 } | |
82 | |
83 | |
84 ZIP_EXTERN int | |
85 zip_error_system_type(const zip_error_t *error) { | |
86 if (error->zip_err < 0 || error->zip_err >= _zip_nerr_str) | |
87 return ZIP_ET_NONE; | |
88 | |
89 return _zip_err_type[error->zip_err]; | |
90 } | |
91 | |
92 | |
93 void | |
94 _zip_error_clear(zip_error_t *err) | |
95 { | |
96 if (err == NULL) | |
97 return; | |
98 | |
99 err->zip_err = ZIP_ER_OK; | |
100 err->sys_err = 0; | |
101 } | |
102 | |
103 | |
104 void | |
105 _zip_error_copy(zip_error_t *dst, const zip_error_t *src) | |
106 { | |
107 dst->zip_err = src->zip_err; | |
108 dst->sys_err = src->sys_err; | |
109 } | |
110 | |
111 | |
112 void | |
113 _zip_error_get(const zip_error_t *err, int *zep, int *sep) | |
114 { | |
115 if (zep) | |
116 *zep = err->zip_err; | |
117 if (sep) { | |
118 if (zip_error_system_type(err) != ZIP_ET_NONE) | |
119 *sep = err->sys_err; | |
120 else | |
121 *sep = 0; | |
122 } | |
123 } | |
124 | |
125 | |
126 void | |
127 zip_error_set(zip_error_t *err, int ze, int se) | |
128 { | |
129 if (err) { | |
130 err->zip_err = ze; | |
131 err->sys_err = se; | |
132 } | |
133 } | |
134 | |
135 | |
136 void | |
137 _zip_error_set_from_source(zip_error_t *err, zip_source_t *src) | |
138 { | |
139 _zip_error_copy(err, zip_source_error(src)); | |
140 } | |
141 | |
142 | |
143 zip_int64_t | |
144 zip_error_to_data(const zip_error_t *error, void *data, zip_uint64_t length) | |
145 { | |
146 int *e = (int *)data; | |
147 | |
148 if (length < sizeof(int)*2) { | |
149 return -1; | |
150 } | |
151 | |
152 e[0] = zip_error_code_zip(error); | |
153 e[1] = zip_error_code_system(error); | |
154 return sizeof(int)*2; | |
155 } |