/src/libewf/libewf/libewf_sector_range.c

Source (jump to first uncovered line)
/*
 * Sector range functions
 *
 * Copyright (C) 2006-2023, Joachim Metz <joachim.metz@gmail.com>
 *
 * Refer to AUTHORS for acknowledgements.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <common.h>
#include <memory.h>
#include <types.h>

#include "libewf_libcerror.h"
#include "libewf_sector_range.h"

/* Creates a sector range
 * Make sure the value sector_range is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libewf_sector_range_initialize(
     libewf_sector_range_t **sector_range,
     libcerror_error_t **error )
{
  static char *function = "libewf_sector_range_initialize";

  if( sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid sector range.",
     function );

    return( -1 );
  }
  if( *sector_range != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid sector range value already set.",
     function );

    return( -1 );
  }
  *sector_range = memory_allocate_structure(
                   libewf_sector_range_t );

  if( *sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create sector range.",
     function );

    goto on_error;
  }
  if( memory_set(
       *sector_range,
       0,
       sizeof( libewf_sector_range_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear sector range.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( *sector_range != NULL )
  {
    memory_free(
     *sector_range );

    *sector_range = NULL;
  }
  return( -1 );
}

/* Frees a sector range
 * Returns 1 if successful or -1 on error
 */
int libewf_sector_range_free(
     libewf_sector_range_t **sector_range,
     libcerror_error_t **error )
{
  static char *function = "libewf_sector_range_free";

  if( sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid sector range.",
     function );

    return( -1 );
  }
  if( *sector_range != NULL )
  {
    memory_free(
     *sector_range );

    *sector_range = NULL;
  }
  return( 1 );
}

/* Clones the sector range
 * Returns 1 if successful or -1 on error
 */
int libewf_sector_range_clone(
     libewf_sector_range_t **destination_sector_range,
     libewf_sector_range_t *source_sector_range,
     libcerror_error_t **error )
{
  static char *function = "libewf_sector_range_clone";

  if( destination_sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid destination sector range.",
     function );

    return( -1 );
  }
  if( *destination_sector_range != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid destination sector range already set.",
     function );

    return( -1 );
  }
  if( source_sector_range == NULL )
  {
    *destination_sector_range = NULL;

    return( 1 );
  }
  *destination_sector_range = memory_allocate_structure(
                         libewf_sector_range_t );

  if( *destination_sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create destination sector range.",
     function );

    goto on_error;
  }
  if( memory_copy(
       *destination_sector_range,
       source_sector_range,
       sizeof( libewf_sector_range_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy source to destination sector range.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( *destination_sector_range != NULL )
  {
    memory_free(
     *destination_sector_range );

    *destination_sector_range = NULL;
  }
  return( -1 );
}

/* Retrieves a sector range
 * Returns 1 if successful or -1 on error
 */
int libewf_sector_range_get(
     libewf_sector_range_t *sector_range,
     uint64_t *start_sector,
     uint64_t *number_of_sectors,
     libcerror_error_t **error )
{
  static char *function = "libewf_sector_range_get";

  if( sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid sector range.",
     function );

    return( -1 );
  }
  if( start_sector == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid start sector.",
     function );

    return( -1 );
  }
  if( number_of_sectors == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid number of sectors.",
     function );

    return( -1 );
  }
  *start_sector      = sector_range->start_sector;
  *number_of_sectors = sector_range->number_of_sectors;

  return( 1 );
}

/* Sets a sector range
 * Returns 1 if successful or -1 on error
 */
int libewf_sector_range_set(
     libewf_sector_range_t *sector_range,
     uint64_t start_sector,
     uint64_t number_of_sectors,
     libcerror_error_t **error )
{
  static char *function = "libewf_sector_range_set";

  if( sector_range == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid sector range.",
     function );

    return( -1 );
  }
  if( start_sector > (uint64_t) INT64_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid start sector value exceeds maximum.",
     function );

    return( -1 );
  }
  if( number_of_sectors > (uint64_t) INT64_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid number of sectors value exceeds maximum.",
     function );

    return( -1 );
  }
  sector_range->start_sector      = start_sector;
  sector_range->end_sector        = start_sector + number_of_sectors;
  sector_range->number_of_sectors = number_of_sectors;

  return( 1 );
}


Coverage Report

Created: 2024-02-25 07:20

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Sector range functions
3		*
4		* Copyright (C) 2006-2023, 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 "libewf_libcerror.h"
27		#include "libewf_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 libewf_sector_range_initialize(
34		libewf_sector_range_t **sector_range,
35		libcerror_error_t **error )
36	190	{
37	190	static char *function = "libewf_sector_range_initialize";
38
39	190	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	190	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	190	*sector_range = memory_allocate_structure(
62	190	libewf_sector_range_t );
63
64	190	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	190	if( memory_set(
76	190	*sector_range,
77	190	0,
78	190	sizeof( libewf_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	190	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	190	}
101
102		/* Frees a sector range
103		* Returns 1 if successful or -1 on error
104		*/
105		int libewf_sector_range_free(
106		libewf_sector_range_t **sector_range,
107		libcerror_error_t **error )
108	190	{
109	190	static char *function = "libewf_sector_range_free";
110
111	190	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	190	if( *sector_range != NULL )
123	190	{
124	190	memory_free(
125	190	*sector_range );
126
127	190	*sector_range = NULL;
128	190	}
129	190	return( 1 );
130	190	}
131
132		/* Clones the sector range
133		* Returns 1 if successful or -1 on error
134		*/
135		int libewf_sector_range_clone(
136		libewf_sector_range_t **destination_sector_range,
137		libewf_sector_range_t *source_sector_range,
138		libcerror_error_t **error )
139	0	{
140	0	static char *function = "libewf_sector_range_clone";
141
142	0	if( destination_sector_range == 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 destination sector range.",
149	0	function );
150
151	0	return( -1 );
152	0	}
153	0	if( *destination_sector_range != NULL )
154	0	{
155	0	libcerror_error_set(
156	0	error,
157	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
158	0	LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
159	0	"%s: invalid destination sector range already set.",
160	0	function );
161
162	0	return( -1 );
163	0	}
164	0	if( source_sector_range == NULL )
165	0	{
166	0	*destination_sector_range = NULL;
167
168	0	return( 1 );
169	0	}
170	0	*destination_sector_range = memory_allocate_structure(
171	0	libewf_sector_range_t );
172
173	0	if( *destination_sector_range == NULL )
174	0	{
175	0	libcerror_error_set(
176	0	error,
177	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
178	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
179	0	"%s: unable to create destination sector range.",
180	0	function );
181
182	0	goto on_error;
183	0	}
184	0	if( memory_copy(
185	0	*destination_sector_range,
186	0	source_sector_range,
187	0	sizeof( libewf_sector_range_t ) ) == NULL )
188	0	{
189	0	libcerror_error_set(
190	0	error,
191	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
192	0	LIBCERROR_MEMORY_ERROR_COPY_FAILED,
193	0	"%s: unable to copy source to destination sector range.",
194	0	function );
195
196	0	goto on_error;
197	0	}
198	0	return( 1 );
199
200	0	on_error:
201	0	if( *destination_sector_range != NULL )
202	0	{
203	0	memory_free(
204	0	*destination_sector_range );
205
206	0	*destination_sector_range = NULL;
207	0	}
208	0	return( -1 );
209	0	}
210
211		/* Retrieves a sector range
212		* Returns 1 if successful or -1 on error
213		*/
214		int libewf_sector_range_get(
215		libewf_sector_range_t *sector_range,
216		uint64_t *start_sector,
217		uint64_t *number_of_sectors,
218		libcerror_error_t **error )
219	0	{
220	0	static char *function = "libewf_sector_range_get";
221
222	0	if( sector_range == NULL )
223	0	{
224	0	libcerror_error_set(
225	0	error,
226	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
227	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
228	0	"%s: invalid sector range.",
229	0	function );
230
231	0	return( -1 );
232	0	}
233	0	if( start_sector == NULL )
234	0	{
235	0	libcerror_error_set(
236	0	error,
237	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
238	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
239	0	"%s: invalid start sector.",
240	0	function );
241
242	0	return( -1 );
243	0	}
244	0	if( number_of_sectors == NULL )
245	0	{
246	0	libcerror_error_set(
247	0	error,
248	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
249	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
250	0	"%s: invalid number of sectors.",
251	0	function );
252
253	0	return( -1 );
254	0	}
255	0	*start_sector = sector_range->start_sector;
256	0	*number_of_sectors = sector_range->number_of_sectors;
257
258	0	return( 1 );
259	0	}
260
261		/* Sets a sector range
262		* Returns 1 if successful or -1 on error
263		*/
264		int libewf_sector_range_set(
265		libewf_sector_range_t *sector_range,
266		uint64_t start_sector,
267		uint64_t number_of_sectors,
268		libcerror_error_t **error )
269	190	{
270	190	static char *function = "libewf_sector_range_set";
271
272	190	if( sector_range == NULL )
273	0	{
274	0	libcerror_error_set(
275	0	error,
276	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
277	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
278	0	"%s: invalid sector range.",
279	0	function );
280
281	0	return( -1 );
282	0	}
283	190	if( start_sector > (uint64_t) INT64_MAX )
284	0	{
285	0	libcerror_error_set(
286	0	error,
287	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
288	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
289	0	"%s: invalid start sector value exceeds maximum.",
290	0	function );
291
292	0	return( -1 );
293	0	}
294	190	if( number_of_sectors > (uint64_t) INT64_MAX )
295	0	{
296	0	libcerror_error_set(
297	0	error,
298	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
299	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
300	0	"%s: invalid number of sectors value exceeds maximum.",
301	0	function );
302
303	0	return( -1 );
304	0	}
305	190	sector_range->start_sector = start_sector;
306	190	sector_range->end_sector = start_sector + number_of_sectors;
307	190	sector_range->number_of_sectors = number_of_sectors;
308
309	190	return( 1 );
310	190	}
311