/src/libvsmbr/libvsmbr/libvsmbr_partition_values.c
Line | Count | Source |
1 | | /* |
2 | | * The partition values 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 "libvsmbr_libcerror.h" |
27 | | #include "libvsmbr_partition_values.h" |
28 | | |
29 | | /* Creates partition values |
30 | | * Make sure the value partition_values is referencing, is set to NULL |
31 | | * Returns 1 if successful or -1 on error |
32 | | */ |
33 | | int libvsmbr_partition_values_initialize( |
34 | | libvsmbr_partition_values_t **partition_values, |
35 | | libcerror_error_t **error ) |
36 | 21.5k | { |
37 | 21.5k | static char *function = "libvsmbr_partition_values_initialize"; |
38 | | |
39 | 21.5k | if( partition_values == 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 partition values.", |
46 | 0 | function ); |
47 | |
|
48 | 0 | return( -1 ); |
49 | 0 | } |
50 | 21.5k | if( *partition_values != 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 partition values value already set.", |
57 | 0 | function ); |
58 | |
|
59 | 0 | return( -1 ); |
60 | 0 | } |
61 | 21.5k | *partition_values = memory_allocate_structure( |
62 | 21.5k | libvsmbr_partition_values_t ); |
63 | | |
64 | 21.5k | if( *partition_values == 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 partition values.", |
71 | 0 | function ); |
72 | |
|
73 | 0 | goto on_error; |
74 | 0 | } |
75 | 21.5k | if( memory_set( |
76 | 21.5k | *partition_values, |
77 | 21.5k | 0, |
78 | 21.5k | sizeof( libvsmbr_partition_values_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 partition values.", |
85 | 0 | function ); |
86 | |
|
87 | 0 | goto on_error; |
88 | 0 | } |
89 | 21.5k | return( 1 ); |
90 | | |
91 | 0 | on_error: |
92 | 0 | if( *partition_values != NULL ) |
93 | 0 | { |
94 | 0 | memory_free( |
95 | 0 | *partition_values ); |
96 | |
|
97 | 0 | *partition_values = NULL; |
98 | 0 | } |
99 | 0 | return( -1 ); |
100 | 21.5k | } |
101 | | |
102 | | /* Frees partition values |
103 | | * Returns 1 if successful or -1 on error |
104 | | */ |
105 | | int libvsmbr_partition_values_free( |
106 | | libvsmbr_partition_values_t **partition_values, |
107 | | libcerror_error_t **error ) |
108 | 21.5k | { |
109 | 21.5k | static char *function = "libvsmbr_partition_values_free"; |
110 | | |
111 | 21.5k | if( partition_values == 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 partition values.", |
118 | 0 | function ); |
119 | |
|
120 | 0 | return( -1 ); |
121 | 0 | } |
122 | 21.5k | if( *partition_values != NULL ) |
123 | 21.5k | { |
124 | 21.5k | memory_free( |
125 | 21.5k | *partition_values ); |
126 | | |
127 | 21.5k | *partition_values = NULL; |
128 | 21.5k | } |
129 | 21.5k | return( 1 ); |
130 | 21.5k | } |
131 | | |
132 | | /* Retrieves the partition type |
133 | | * Returns 1 if successful or -1 on error |
134 | | */ |
135 | | int libvsmbr_partition_values_get_type( |
136 | | libvsmbr_partition_values_t *partition_values, |
137 | | uint8_t *type, |
138 | | libcerror_error_t **error ) |
139 | 0 | { |
140 | 0 | static char *function = "libvsmbr_partition_values_get_type"; |
141 | |
|
142 | 0 | if( partition_values == NULL ) |
143 | 0 | { |
144 | 0 | libcerror_error_set( |
145 | 0 | error, |
146 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
147 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
148 | 0 | "%s: invalid partition values.", |
149 | 0 | function ); |
150 | |
|
151 | 0 | return( -1 ); |
152 | 0 | } |
153 | 0 | if( type == NULL ) |
154 | 0 | { |
155 | 0 | libcerror_error_set( |
156 | 0 | error, |
157 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
158 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
159 | 0 | "%s: invalid type.", |
160 | 0 | function ); |
161 | |
|
162 | 0 | return( -1 ); |
163 | 0 | } |
164 | 0 | *type = partition_values->type; |
165 | |
|
166 | 0 | return( 1 ); |
167 | 0 | } |
168 | | |
169 | | /* Retrieves the partition sector number |
170 | | * Returns 1 if successful or -1 on error |
171 | | */ |
172 | | int libvsmbr_partition_values_get_sector_number( |
173 | | libvsmbr_partition_values_t *partition_values, |
174 | | uint32_t *sector_number, |
175 | | libcerror_error_t **error ) |
176 | 70 | { |
177 | 70 | static char *function = "libvsmbr_partition_values_get_sector_number"; |
178 | | |
179 | 70 | if( partition_values == NULL ) |
180 | 0 | { |
181 | 0 | libcerror_error_set( |
182 | 0 | error, |
183 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
184 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
185 | 0 | "%s: invalid partition values.", |
186 | 0 | function ); |
187 | |
|
188 | 0 | return( -1 ); |
189 | 0 | } |
190 | 70 | if( sector_number == NULL ) |
191 | 0 | { |
192 | 0 | libcerror_error_set( |
193 | 0 | error, |
194 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
195 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
196 | 0 | "%s: invalid sector number.", |
197 | 0 | function ); |
198 | |
|
199 | 0 | return( -1 ); |
200 | 0 | } |
201 | 70 | *sector_number = partition_values->sector_number; |
202 | | |
203 | 70 | return( 1 ); |
204 | 70 | } |
205 | | |
206 | | /* Retrieves the partition number of sectors |
207 | | * Returns 1 if successful or -1 on error |
208 | | */ |
209 | | int libvsmbr_partition_values_get_number_of_sectors( |
210 | | libvsmbr_partition_values_t *partition_values, |
211 | | uint32_t *number_of_sectors, |
212 | | libcerror_error_t **error ) |
213 | 70 | { |
214 | 70 | static char *function = "libvsmbr_partition_values_get_number_of_sectors"; |
215 | | |
216 | 70 | if( partition_values == NULL ) |
217 | 0 | { |
218 | 0 | libcerror_error_set( |
219 | 0 | error, |
220 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
221 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
222 | 0 | "%s: invalid partition values.", |
223 | 0 | function ); |
224 | |
|
225 | 0 | return( -1 ); |
226 | 0 | } |
227 | 70 | if( number_of_sectors == NULL ) |
228 | 0 | { |
229 | 0 | libcerror_error_set( |
230 | 0 | error, |
231 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
232 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
233 | 0 | "%s: invalid number of sectors.", |
234 | 0 | function ); |
235 | |
|
236 | 0 | return( -1 ); |
237 | 0 | } |
238 | 70 | *number_of_sectors = partition_values->number_of_sectors; |
239 | | |
240 | 70 | return( 1 ); |
241 | 70 | } |
242 | | |