/src/libfsfat/libfdata/libfdata_range.c

Source (jump to first uncovered line)
/*
 * The range functions
 *
 * Copyright (C) 2010-2024, 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 "libfdata_libcerror.h"
#include "libfdata_range.h"

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

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

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

    return( -1 );
  }
  *range = memory_allocate_structure(
            libfdata_range_t );

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

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

    goto on_error;
  }
  ( *range )->file_index = -1;
  ( *range )->offset     = (off64_t) -1;

  return( 1 );

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

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

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

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

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

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

/* Clones (duplicates) the range
 * Returns 1 if successful or -1 on error
 */
int libfdata_range_clone(
     libfdata_range_t **destination_range,
     libfdata_range_t *source_range,
     libcerror_error_t **error )
{
  static char *function = "libfdata_range_clone";

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

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

    return( -1 );
  }
  if( source_range == NULL )
  {
    *destination_range = NULL;

    return( 1 );
  }
  *destination_range = memory_allocate_structure(
                        libfdata_range_t );

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

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

    goto on_error;
  }
  return( 1 );

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

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

/* Retrieves the range values
 * Returns 1 if successful or -1 on error
 */
int libfdata_range_get(
     libfdata_range_t *range,
     int *file_index,
     off64_t *offset,
     size64_t *size,
     uint32_t *flags,
     libcerror_error_t **error )
{
  static char *function = "libfdata_range_get";

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

    return( -1 );
  }
  if( file_index == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid file index.",
     function );

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

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

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

    return( -1 );
  }
  *file_index = range->file_index;
  *offset     = range->offset;
  *size       = range->size;
  *flags      = range->flags;

  return( 1 );
}

/* Retrieves the size
 * Returns 1 if successful or -1 on error
 */
int libfdata_range_get_size(
     libfdata_range_t *range,
     size64_t *size,
     libcerror_error_t **error )
{
  static char *function = "libfdata_range_get_size";

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

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

    return( -1 );
  }
  *size = range->size;

  return( 1 );
}

/* Sets the range values
 * Returns 1 if successful or -1 on error
 */
int libfdata_range_set(
     libfdata_range_t *range,
     int file_index,
     off64_t offset,
     size64_t size,
     uint32_t flags,
     libcerror_error_t **error )
{
  static char *function = "libfdata_range_set";

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

    return( -1 );
  }
  range->file_index = file_index;
  range->offset     = offset;
  range->size       = size;
  range->flags      = flags;

  return( 1 );
}


Coverage Report

Created: 2025-06-13 07:22

Line	Count	Source (jump to first uncovered line)
1		/*
2		* The 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 "libfdata_libcerror.h"
27		#include "libfdata_range.h"
28
29		/* Creates a range
30		* Make sure the value range is referencing, is set to NULL
31		* Returns 1 if successful or -1 on error
32		*/
33		int libfdata_range_initialize(
34		libfdata_range_t **range,
35		libcerror_error_t **error )
36	0	{
37	0	static char *function = "libfdata_range_initialize";
38
39	0	if( 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 range.",
46	0	function );
47
48	0	return( -1 );
49	0	}
50	0	if( *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 range value already set.",
57	0	function );
58
59	0	return( -1 );
60	0	}
61	0	*range = memory_allocate_structure(
62	0	libfdata_range_t );
63
64	0	if( *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 range.",
71	0	function );
72
73	0	goto on_error;
74	0	}
75	0	if( memory_set(
76	0	*range,
77	0	0,
78	0	sizeof( libfdata_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 range.",
85	0	function );
86
87	0	goto on_error;
88	0	}
89	0	( *range )->file_index = -1;
90	0	( *range )->offset = (off64_t) -1;
91
92	0	return( 1 );
93
94	0	on_error:
95	0	if( *range != NULL )
96	0	{
97	0	memory_free(
98	0	*range );
99
100	0	*range = NULL;
101	0	}
102	0	return( -1 );
103	0	}
104
105		/* Frees a range
106		* Returns 1 if successful or -1 on error
107		*/
108		int libfdata_range_free(
109		libfdata_range_t **range,
110		libcerror_error_t **error )
111	0	{
112	0	static char *function = "libfdata_range_free";
113
114	0	if( range == NULL )
115	0	{
116	0	libcerror_error_set(
117	0	error,
118	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
119	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
120	0	"%s: invalid range.",
121	0	function );
122
123	0	return( -1 );
124	0	}
125	0	if( *range != NULL )
126	0	{
127	0	memory_free(
128	0	*range );
129
130	0	*range = NULL;
131	0	}
132	0	return( 1 );
133	0	}
134
135		/* Clones (duplicates) the range
136		* Returns 1 if successful or -1 on error
137		*/
138		int libfdata_range_clone(
139		libfdata_range_t **destination_range,
140		libfdata_range_t *source_range,
141		libcerror_error_t **error )
142	0	{
143	0	static char *function = "libfdata_range_clone";
144
145	0	if( destination_range == NULL )
146	0	{
147	0	libcerror_error_set(
148	0	error,
149	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
150	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
151	0	"%s: invalid destination range.",
152	0	function );
153
154	0	return( -1 );
155	0	}
156	0	if( *destination_range != NULL )
157	0	{
158	0	libcerror_error_set(
159	0	error,
160	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
161	0	LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
162	0	"%s: invalid destination range value already set.",
163	0	function );
164
165	0	return( -1 );
166	0	}
167	0	if( source_range == NULL )
168	0	{
169	0	*destination_range = NULL;
170
171	0	return( 1 );
172	0	}
173	0	*destination_range = memory_allocate_structure(
174	0	libfdata_range_t );
175
176	0	if( *destination_range == NULL )
177	0	{
178	0	libcerror_error_set(
179	0	error,
180	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
181	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
182	0	"%s: unable to create destination range.",
183	0	function );
184
185	0	goto on_error;
186	0	}
187	0	if( memory_copy(
188	0	*destination_range,
189	0	source_range,
190	0	sizeof( libfdata_range_t ) ) == NULL )
191	0	{
192	0	libcerror_error_set(
193	0	error,
194	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
195	0	LIBCERROR_MEMORY_ERROR_COPY_FAILED,
196	0	"%s: unable to copy source to destination range.",
197	0	function );
198
199	0	goto on_error;
200	0	}
201	0	return( 1 );
202
203	0	on_error:
204	0	if( *destination_range != NULL )
205	0	{
206	0	memory_free(
207	0	*destination_range );
208
209	0	*destination_range = NULL;
210	0	}
211	0	return( -1 );
212	0	}
213
214		/* Retrieves the range values
215		* Returns 1 if successful or -1 on error
216		*/
217		int libfdata_range_get(
218		libfdata_range_t *range,
219		int *file_index,
220		off64_t *offset,
221		size64_t *size,
222		uint32_t *flags,
223		libcerror_error_t **error )
224	0	{
225	0	static char *function = "libfdata_range_get";
226
227	0	if( range == 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 range.",
234	0	function );
235
236	0	return( -1 );
237	0	}
238	0	if( file_index == NULL )
239	0	{
240	0	libcerror_error_set(
241	0	error,
242	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
243	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
244	0	"%s: invalid file index.",
245	0	function );
246
247	0	return( -1 );
248	0	}
249	0	if( offset == NULL )
250	0	{
251	0	libcerror_error_set(
252	0	error,
253	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
254	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
255	0	"%s: invalid offset.",
256	0	function );
257
258	0	return( -1 );
259	0	}
260	0	if( size == NULL )
261	0	{
262	0	libcerror_error_set(
263	0	error,
264	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
265	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
266	0	"%s: invalid size.",
267	0	function );
268
269	0	return( -1 );
270	0	}
271	0	if( flags == NULL )
272	0	{
273	0	libcerror_error_set(
274	0	error,
275	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
276	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
277	0	"%s: invalid flags.",
278	0	function );
279
280	0	return( -1 );
281	0	}
282	0	*file_index = range->file_index;
283	0	*offset = range->offset;
284	0	*size = range->size;
285	0	*flags = range->flags;
286
287	0	return( 1 );
288	0	}
289
290		/* Retrieves the size
291		* Returns 1 if successful or -1 on error
292		*/
293		int libfdata_range_get_size(
294		libfdata_range_t *range,
295		size64_t *size,
296		libcerror_error_t **error )
297	0	{
298	0	static char *function = "libfdata_range_get_size";
299
300	0	if( range == NULL )
301	0	{
302	0	libcerror_error_set(
303	0	error,
304	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
305	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
306	0	"%s: invalid range.",
307	0	function );
308
309	0	return( -1 );
310	0	}
311	0	if( size == NULL )
312	0	{
313	0	libcerror_error_set(
314	0	error,
315	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
316	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
317	0	"%s: invalid size.",
318	0	function );
319
320	0	return( -1 );
321	0	}
322	0	*size = range->size;
323
324	0	return( 1 );
325	0	}
326
327		/* Sets the range values
328		* Returns 1 if successful or -1 on error
329		*/
330		int libfdata_range_set(
331		libfdata_range_t *range,
332		int file_index,
333		off64_t offset,
334		size64_t size,
335		uint32_t flags,
336		libcerror_error_t **error )
337	0	{
338	0	static char *function = "libfdata_range_set";
339
340	0	if( range == NULL )
341	0	{
342	0	libcerror_error_set(
343	0	error,
344	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
345	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
346	0	"%s: invalid range.",
347	0	function );
348
349	0	return( -1 );
350	0	}
351	0	range->file_index = file_index;
352	0	range->offset = offset;
353	0	range->size = size;
354	0	range->flags = flags;
355
356	0	return( 1 );
357	0	}
358