/src/libodraw/libodraw/libodraw_sector_range.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Sector range functions |
3 | | * |
4 | | * Copyright (C) 2010-2024, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <memory.h> |
24 | | #include <types.h> |
25 | | |
26 | | #include "libodraw_libcerror.h" |
27 | | #include "libodraw_sector_range.h" |
28 | | |
29 | | /* Creates a sector range |
30 | | * Make sure the value sector_range is referencing, is set to NULL |
31 | | * Returns 1 if successful or -1 on error |
32 | | */ |
33 | | int libodraw_sector_range_initialize( |
34 | | libodraw_sector_range_t **sector_range, |
35 | | libcerror_error_t **error ) |
36 | 0 | { |
37 | 0 | static char *function = "libodraw_sector_range_initialize"; |
38 | |
|
39 | 0 | if( sector_range == NULL ) |
40 | 0 | { |
41 | 0 | libcerror_error_set( |
42 | 0 | error, |
43 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
44 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
45 | 0 | "%s: invalid sector range.", |
46 | 0 | function ); |
47 | |
|
48 | 0 | return( -1 ); |
49 | 0 | } |
50 | 0 | if( *sector_range != NULL ) |
51 | 0 | { |
52 | 0 | libcerror_error_set( |
53 | 0 | error, |
54 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
55 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET, |
56 | 0 | "%s: invalid sector range value already set.", |
57 | 0 | function ); |
58 | |
|
59 | 0 | return( -1 ); |
60 | 0 | } |
61 | 0 | *sector_range = memory_allocate_structure( |
62 | 0 | libodraw_sector_range_t ); |
63 | |
|
64 | 0 | if( *sector_range == NULL ) |
65 | 0 | { |
66 | 0 | libcerror_error_set( |
67 | 0 | error, |
68 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
69 | 0 | LIBCERROR_MEMORY_ERROR_INSUFFICIENT, |
70 | 0 | "%s: unable to create sector range.", |
71 | 0 | function ); |
72 | |
|
73 | 0 | goto on_error; |
74 | 0 | } |
75 | 0 | if( memory_set( |
76 | 0 | *sector_range, |
77 | 0 | 0, |
78 | 0 | sizeof( libodraw_sector_range_t ) ) == NULL ) |
79 | 0 | { |
80 | 0 | libcerror_error_set( |
81 | 0 | error, |
82 | 0 | LIBCERROR_ERROR_DOMAIN_MEMORY, |
83 | 0 | LIBCERROR_MEMORY_ERROR_SET_FAILED, |
84 | 0 | "%s: unable to clear sector range.", |
85 | 0 | function ); |
86 | |
|
87 | 0 | goto on_error; |
88 | 0 | } |
89 | 0 | return( 1 ); |
90 | | |
91 | 0 | on_error: |
92 | 0 | if( *sector_range != NULL ) |
93 | 0 | { |
94 | 0 | memory_free( |
95 | 0 | *sector_range ); |
96 | |
|
97 | 0 | *sector_range = NULL; |
98 | 0 | } |
99 | 0 | return( -1 ); |
100 | 0 | } |
101 | | |
102 | | /* Frees a sector range |
103 | | * Returns 1 if successful or -1 on error |
104 | | */ |
105 | | int libodraw_sector_range_free( |
106 | | libodraw_sector_range_t **sector_range, |
107 | | libcerror_error_t **error ) |
108 | 0 | { |
109 | 0 | static char *function = "libodraw_sector_range_free"; |
110 | |
|
111 | 0 | if( sector_range == NULL ) |
112 | 0 | { |
113 | 0 | libcerror_error_set( |
114 | 0 | error, |
115 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
116 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
117 | 0 | "%s: invalid sector range.", |
118 | 0 | function ); |
119 | |
|
120 | 0 | return( -1 ); |
121 | 0 | } |
122 | 0 | if( *sector_range != NULL ) |
123 | 0 | { |
124 | 0 | memory_free( |
125 | 0 | *sector_range ); |
126 | |
|
127 | 0 | *sector_range = NULL; |
128 | 0 | } |
129 | 0 | return( 1 ); |
130 | 0 | } |
131 | | |
132 | | /* Retrieves a sector range |
133 | | * Returns 1 if successful or -1 on error |
134 | | */ |
135 | | int libodraw_sector_range_get( |
136 | | libodraw_sector_range_t *sector_range, |
137 | | uint64_t *start_sector, |
138 | | uint64_t *number_of_sectors, |
139 | | libcerror_error_t **error ) |
140 | 0 | { |
141 | 0 | static char *function = "libodraw_sector_range_get"; |
142 | |
|
143 | 0 | if( sector_range == NULL ) |
144 | 0 | { |
145 | 0 | libcerror_error_set( |
146 | 0 | error, |
147 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
148 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
149 | 0 | "%s: invalid sector range.", |
150 | 0 | function ); |
151 | |
|
152 | 0 | return( -1 ); |
153 | 0 | } |
154 | 0 | if( start_sector == NULL ) |
155 | 0 | { |
156 | 0 | libcerror_error_set( |
157 | 0 | error, |
158 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
159 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
160 | 0 | "%s: invalid start sector.", |
161 | 0 | function ); |
162 | |
|
163 | 0 | return( -1 ); |
164 | 0 | } |
165 | 0 | if( number_of_sectors == NULL ) |
166 | 0 | { |
167 | 0 | libcerror_error_set( |
168 | 0 | error, |
169 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
170 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
171 | 0 | "%s: invalid number of sectors.", |
172 | 0 | function ); |
173 | |
|
174 | 0 | return( -1 ); |
175 | 0 | } |
176 | 0 | *start_sector = sector_range->start_sector; |
177 | 0 | *number_of_sectors = sector_range->number_of_sectors; |
178 | |
|
179 | 0 | return( 1 ); |
180 | 0 | } |
181 | | |
182 | | /* Sets a sector range |
183 | | * Returns 1 if successful or -1 on error |
184 | | */ |
185 | | int libodraw_sector_range_set( |
186 | | libodraw_sector_range_t *sector_range, |
187 | | uint64_t start_sector, |
188 | | uint64_t number_of_sectors, |
189 | | libcerror_error_t **error ) |
190 | 0 | { |
191 | 0 | static char *function = "libodraw_sector_range_set"; |
192 | |
|
193 | 0 | if( sector_range == NULL ) |
194 | 0 | { |
195 | 0 | libcerror_error_set( |
196 | 0 | error, |
197 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
198 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
199 | 0 | "%s: invalid sector range.", |
200 | 0 | function ); |
201 | |
|
202 | 0 | return( -1 ); |
203 | 0 | } |
204 | 0 | if( start_sector > (uint64_t) INT64_MAX ) |
205 | 0 | { |
206 | 0 | libcerror_error_set( |
207 | 0 | error, |
208 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
209 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
210 | 0 | "%s: invalid start sector value exceeds maximum.", |
211 | 0 | function ); |
212 | |
|
213 | 0 | return( -1 ); |
214 | 0 | } |
215 | 0 | if( number_of_sectors > (uint64_t) INT64_MAX ) |
216 | 0 | { |
217 | 0 | libcerror_error_set( |
218 | 0 | error, |
219 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
220 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
221 | 0 | "%s: invalid number of sectors value exceeds maximum.", |
222 | 0 | function ); |
223 | |
|
224 | 0 | return( -1 ); |
225 | 0 | } |
226 | 0 | sector_range->start_sector = start_sector; |
227 | 0 | sector_range->end_sector = start_sector + number_of_sectors; |
228 | 0 | sector_range->number_of_sectors = number_of_sectors; |
229 | |
|
230 | 0 | return( 1 ); |
231 | 0 | } |
232 | | |