/src/libzip/lib/zip_error.c
Line | Count | Source |
1 | | /* |
2 | | zip_error.c -- zip_error_t helper functions |
3 | | Copyright (C) 1999-2024 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 <info@libzip.org> |
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 | 69 | ZIP_EXTERN int zip_error_code_system(const zip_error_t *error) { |
40 | 69 | return error->sys_err; |
41 | 69 | } |
42 | | |
43 | | |
44 | 115 | ZIP_EXTERN int zip_error_code_zip(const zip_error_t *error) { |
45 | 115 | return error->zip_err; |
46 | 115 | } |
47 | | |
48 | | |
49 | 23 | ZIP_EXTERN void zip_error_fini(zip_error_t *err) { |
50 | 23 | free(err->str); |
51 | 23 | err->str = NULL; |
52 | 23 | } |
53 | | |
54 | | |
55 | 92 | ZIP_EXTERN void zip_error_init(zip_error_t *err) { |
56 | 92 | err->zip_err = ZIP_ER_OK; |
57 | 92 | err->sys_err = 0; |
58 | 92 | err->str = NULL; |
59 | 92 | } |
60 | | |
61 | 0 | ZIP_EXTERN void zip_error_init_with_code(zip_error_t *error, int ze) { |
62 | 0 | zip_error_init(error); |
63 | 0 | error->zip_err = ze; |
64 | 0 | switch (zip_error_system_type(error)) { |
65 | 0 | case ZIP_ET_SYS: |
66 | 0 | case ZIP_ET_LIBZIP: |
67 | 0 | error->sys_err = errno; |
68 | 0 | break; |
69 | | |
70 | 0 | default: |
71 | 0 | error->sys_err = 0; |
72 | 0 | break; |
73 | 0 | } |
74 | 0 | } |
75 | | |
76 | | |
77 | 23 | ZIP_EXTERN int zip_error_system_type(const zip_error_t *error) { |
78 | 23 | if (error->zip_err < 0 || error->zip_err >= _zip_err_str_count) { |
79 | 0 | return ZIP_ET_NONE; |
80 | 0 | } |
81 | | |
82 | 23 | return _zip_err_str[error->zip_err].type; |
83 | 23 | } |
84 | | |
85 | | |
86 | 0 | void _zip_error_clear(zip_error_t *err) { |
87 | 0 | if (err == NULL) { |
88 | 0 | return; |
89 | 0 | } |
90 | | |
91 | 0 | err->zip_err = ZIP_ER_OK; |
92 | 0 | err->sys_err = 0; |
93 | 0 | } |
94 | | |
95 | | |
96 | 0 | void _zip_error_copy(zip_error_t *dst, const zip_error_t *src) { |
97 | 0 | if (dst == NULL) { |
98 | 0 | return; |
99 | 0 | } |
100 | | |
101 | 0 | dst->zip_err = src->zip_err; |
102 | 0 | dst->sys_err = src->sys_err; |
103 | 0 | } |
104 | | |
105 | | |
106 | 0 | void _zip_error_get(const zip_error_t *err, int *zep, int *sep) { |
107 | 0 | if (zep) { |
108 | 0 | *zep = err->zip_err; |
109 | 0 | } |
110 | 0 | if (sep) { |
111 | 0 | if (zip_error_system_type(err) != ZIP_ET_NONE) { |
112 | 0 | *sep = err->sys_err; |
113 | 0 | } |
114 | 0 | else { |
115 | 0 | *sep = 0; |
116 | 0 | } |
117 | 0 | } |
118 | 0 | } |
119 | | |
120 | | |
121 | 92 | void zip_error_set(zip_error_t *err, int ze, int se) { |
122 | 92 | if (err) { |
123 | 92 | err->zip_err = ze; |
124 | 92 | err->sys_err = se; |
125 | 92 | } |
126 | 92 | } |
127 | | |
128 | | |
129 | 0 | void zip_error_set_from_source(zip_error_t *err, zip_source_t *src) { |
130 | 0 | if (src == NULL) { |
131 | 0 | zip_error_set(err, ZIP_ER_INVAL, 0); |
132 | 0 | return; |
133 | 0 | } |
134 | | |
135 | 0 | _zip_error_copy(err, zip_source_error(src)); |
136 | 0 | } |
137 | | |
138 | | |
139 | 23 | zip_int64_t zip_error_to_data(const zip_error_t *error, void *data, zip_uint64_t length) { |
140 | 23 | int *e = (int *)data; |
141 | | |
142 | 23 | if (length < sizeof(int) * 2) { |
143 | 0 | return -1; |
144 | 0 | } |
145 | | |
146 | 23 | e[0] = zip_error_code_zip(error); |
147 | 23 | e[1] = zip_error_code_system(error); |
148 | 23 | return sizeof(int) * 2; |
149 | 23 | } |