/src/libbde/libfvalue/libfvalue_split_utf16_string.c

Source (jump to first uncovered line)
/*
 * Split UTF-16 string 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 "libfvalue_libcerror.h"
#include "libfvalue_split_utf16_string.h"
#include "libfvalue_types.h"

/* Creates a split UTF-16 string
 * Make sure the value split_string is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_initialize(
     libfvalue_split_utf16_string_t **split_string,
     const uint16_t *utf16_string,
     size_t utf16_string_size,
     int number_of_segments,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_initialize";

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

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

    return( -1 );
  }
  if( number_of_segments < 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_LESS_THAN_ZERO,
     "%s: invalid number of segments less than zero.",
     function );

    return( -1 );
  }
  internal_split_string = memory_allocate_structure(
                           libfvalue_internal_split_utf16_string_t );

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

    goto on_error;
  }
  if( memory_set(
       internal_split_string,
       0,
       sizeof( libfvalue_internal_split_utf16_string_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear split string.",
     function );

    memory_free(
     internal_split_string );

    return( -1 );
  }
  if( ( utf16_string != NULL )
   && ( utf16_string_size > 0 ) )
  {
    internal_split_string->string = (uint16_t *) memory_allocate(
                                                  sizeof( uint16_t ) * utf16_string_size );

    if( internal_split_string->string == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create string.",
       function );

      goto on_error;
    }
    if( memory_copy(
         internal_split_string->string,
         utf16_string,
         sizeof( uint16_t ) * ( utf16_string_size - 1 ) ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_SET_FAILED,
       "%s: unable to copy string.",
       function );

      goto on_error;
    }
    internal_split_string->string[ utf16_string_size - 1 ] = 0;
    internal_split_string->string_size                     = utf16_string_size;
  }
  if( number_of_segments > 0 )
  {
    internal_split_string->segments = (uint16_t **) memory_allocate(
                                                     sizeof( uint16_t * ) * number_of_segments );

    if( internal_split_string->segments == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create segments.",
       function );

      goto on_error;
    }
    if( memory_set(
         internal_split_string->segments,
         0,
         sizeof( uint16_t * ) * number_of_segments ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_SET_FAILED,
       "%s: unable to clear segments.",
       function );

      goto on_error;
    }
    internal_split_string->segment_sizes = (size_t *) memory_allocate(
                                                       sizeof( size_t ) * number_of_segments );

    if( internal_split_string->segment_sizes == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
       "%s: unable to create segment sizes.",
       function );

      goto on_error;
    }
    if( memory_set(
         internal_split_string->segment_sizes,
         0,
         sizeof( size_t ) * number_of_segments ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_SET_FAILED,
       "%s: unable to clear segment sizes.",
       function );

      goto on_error;
    }
  }
  internal_split_string->number_of_segments = number_of_segments;

  *split_string = (libfvalue_split_utf16_string_t *) internal_split_string;

  return( 1 );

on_error:
  if( internal_split_string != NULL )
  {
    if( internal_split_string->segment_sizes != NULL )
    {
      memory_free(
       internal_split_string->segment_sizes );
    }
    if( internal_split_string->segments != NULL )
    {
      memory_free(
       internal_split_string->segments );
    }
    if( internal_split_string->string != NULL )
    {
      memory_free(
       internal_split_string->string );
    }
    memory_free(
     internal_split_string );
  }
  return( -1 );
}

/* Frees a split UTF-16 string
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_free(
     libfvalue_split_utf16_string_t **split_string,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_free";

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

    return( -1 );
  }
  if( *split_string != NULL )
  {
    internal_split_string = (libfvalue_internal_split_utf16_string_t *) *split_string;
    *split_string         = NULL;

    if( internal_split_string->string != NULL )
    {
      memory_free(
       internal_split_string->string );
    }
    if( internal_split_string->segments != NULL )
    {
      memory_free(
       internal_split_string->segments );
    }
    if( internal_split_string->segment_sizes != NULL )
    {
      memory_free(
       internal_split_string->segment_sizes );
    }
    memory_free(
     internal_split_string );
  }
  return( 1 );
}

/* Retrieves the UTF-16 string
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_get_string(
     libfvalue_split_utf16_string_t *split_string,
     uint16_t **utf16_string,
     size_t *utf16_string_size,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_get_string";

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

    return( -1 );
  }
  internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;

  if( utf16_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid UTF-16 string.",
     function );

    return( -1 );
  }
  if( utf16_string_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid UTF-16 string size.",
     function );

    return( -1 );
  }
  *utf16_string      = internal_split_string->string;
  *utf16_string_size = internal_split_string->string_size;

  return( 1 );
}

/* Retrieves the number of segments
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_get_number_of_segments(
     libfvalue_split_utf16_string_t *split_string,
     int *number_of_segments,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_get_number_of_segments";

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

    return( -1 );
  }
  internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;

  if( number_of_segments == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid number of segments.",
     function );

    return( -1 );
  }
  *number_of_segments = internal_split_string->number_of_segments;

  return( 1 );
}

/* Retrieves a specific segment
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_get_segment_by_index(
     libfvalue_split_utf16_string_t *split_string,
     int segment_index,
     uint16_t **utf16_string_segment,
     size_t *utf16_string_segment_size,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_get_segment_by_index";

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

    return( -1 );
  }
  internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;

  if( ( segment_index < 0 )
   || ( segment_index >= internal_split_string->number_of_segments ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid segment index value out of bounds.",
     function );

    return( -1 );
  }
  if( utf16_string_segment == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid UTF-16 string segment.",
     function );

    return( -1 );
  }
  if( utf16_string_segment_size == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid UTF-16 string segment size.",
     function );

    return( -1 );
  }
  *utf16_string_segment      = internal_split_string->segments[ segment_index ];
  *utf16_string_segment_size = internal_split_string->segment_sizes[ segment_index ];

  return( 1 );
}

/* Sets a specific segment
 * Returns 1 if successful or -1 on error
 */
int libfvalue_split_utf16_string_set_segment_by_index(
     libfvalue_split_utf16_string_t *split_string,
     int segment_index,
     uint16_t *utf16_string_segment,
     size_t utf16_string_segment_size,
     libcerror_error_t **error )
{
  libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
  static char *function                                          = "libfvalue_split_utf16_string_set_segment_by_index";
  size_t utf16_string_segment_offset                             = 0;

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

    return( -1 );
  }
  internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;

  if( ( segment_index < 0 )
   || ( segment_index >= internal_split_string->number_of_segments ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid segment index value out of bounds.",
     function );

    return( -1 );
  }
  if( utf16_string_segment_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid UTF-16 string segment size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( utf16_string_segment == NULL )
  {
    if( utf16_string_segment_size != 0 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid UTF-16 string segment size value out of bounds.",
       function );

      return( -1 );
    }
  }
  else
  {
    if( utf16_string_segment < internal_split_string->string )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid UTF-16 string segment value out of bounds.",
       function );

      return( -1 );
    }
    utf16_string_segment_offset = (size_t) ( utf16_string_segment - internal_split_string->string );

    if( utf16_string_segment_offset > internal_split_string->string_size )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid UTF-16 string segment value out of bounds.",
       function );

      return( -1 );
    }
    utf16_string_segment_offset += utf16_string_segment_size;

    if( utf16_string_segment_offset > internal_split_string->string_size )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
       LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid UTF-16 string segment value out of bounds.",
       function );

      return( -1 );
    }
  }
  internal_split_string->segments[ segment_index ]      = utf16_string_segment;
  internal_split_string->segment_sizes[ segment_index ] = utf16_string_segment_size;

  return( 1 );
}


Coverage Report

Created: 2025-06-13 07:22

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Split UTF-16 string 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 "libfvalue_libcerror.h"
27		#include "libfvalue_split_utf16_string.h"
28		#include "libfvalue_types.h"
29
30		/* Creates a split UTF-16 string
31		* Make sure the value split_string is referencing, is set to NULL
32		* Returns 1 if successful or -1 on error
33		*/
34		int libfvalue_split_utf16_string_initialize(
35		libfvalue_split_utf16_string_t **split_string,
36		const uint16_t *utf16_string,
37		size_t utf16_string_size,
38		int number_of_segments,
39		libcerror_error_t **error )
40	0	{
41	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
42	0	static char *function = "libfvalue_split_utf16_string_initialize";
43
44	0	if( split_string == NULL )
45	0	{
46	0	libcerror_error_set(
47	0	error,
48	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
49	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
50	0	"%s: invalid split string.",
51	0	function );
52
53	0	return( -1 );
54	0	}
55	0	if( *split_string != NULL )
56	0	{
57	0	libcerror_error_set(
58	0	error,
59	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
60	0	LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
61	0	"%s: invalid split string value already set.",
62	0	function );
63
64	0	return( -1 );
65	0	}
66	0	if( number_of_segments < 0 )
67	0	{
68	0	libcerror_error_set(
69	0	error,
70	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
71	0	LIBCERROR_ARGUMENT_ERROR_VALUE_LESS_THAN_ZERO,
72	0	"%s: invalid number of segments less than zero.",
73	0	function );
74
75	0	return( -1 );
76	0	}
77	0	internal_split_string = memory_allocate_structure(
78	0	libfvalue_internal_split_utf16_string_t );
79
80	0	if( internal_split_string == NULL )
81	0	{
82	0	libcerror_error_set(
83	0	error,
84	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
85	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
86	0	"%s: unable to create split string.",
87	0	function );
88
89	0	goto on_error;
90	0	}
91	0	if( memory_set(
92	0	internal_split_string,
93	0	0,
94	0	sizeof( libfvalue_internal_split_utf16_string_t ) ) == NULL )
95	0	{
96	0	libcerror_error_set(
97	0	error,
98	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
99	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
100	0	"%s: unable to clear split string.",
101	0	function );
102
103	0	memory_free(
104	0	internal_split_string );
105
106	0	return( -1 );
107	0	}
108	0	if( ( utf16_string != NULL )
109	0	&& ( utf16_string_size > 0 ) )
110	0	{
111	0	internal_split_string->string = (uint16_t *) memory_allocate(
112	0	sizeof( uint16_t ) * utf16_string_size );
113
114	0	if( internal_split_string->string == NULL )
115	0	{
116	0	libcerror_error_set(
117	0	error,
118	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
119	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
120	0	"%s: unable to create string.",
121	0	function );
122
123	0	goto on_error;
124	0	}
125	0	if( memory_copy(
126	0	internal_split_string->string,
127	0	utf16_string,
128	0	sizeof( uint16_t ) * ( utf16_string_size - 1 ) ) == NULL )
129	0	{
130	0	libcerror_error_set(
131	0	error,
132	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
133	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
134	0	"%s: unable to copy string.",
135	0	function );
136
137	0	goto on_error;
138	0	}
139	0	internal_split_string->string[ utf16_string_size - 1 ] = 0;
140	0	internal_split_string->string_size = utf16_string_size;
141	0	}
142	0	if( number_of_segments > 0 )
143	0	{
144	0	internal_split_string->segments = (uint16_t **) memory_allocate(
145	0	sizeof( uint16_t * ) * number_of_segments );
146
147	0	if( internal_split_string->segments == NULL )
148	0	{
149	0	libcerror_error_set(
150	0	error,
151	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
152	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
153	0	"%s: unable to create segments.",
154	0	function );
155
156	0	goto on_error;
157	0	}
158	0	if( memory_set(
159	0	internal_split_string->segments,
160	0	0,
161	0	sizeof( uint16_t * ) * number_of_segments ) == NULL )
162	0	{
163	0	libcerror_error_set(
164	0	error,
165	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
166	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
167	0	"%s: unable to clear segments.",
168	0	function );
169
170	0	goto on_error;
171	0	}
172	0	internal_split_string->segment_sizes = (size_t *) memory_allocate(
173	0	sizeof( size_t ) * number_of_segments );
174
175	0	if( internal_split_string->segment_sizes == NULL )
176	0	{
177	0	libcerror_error_set(
178	0	error,
179	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
180	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
181	0	"%s: unable to create segment sizes.",
182	0	function );
183
184	0	goto on_error;
185	0	}
186	0	if( memory_set(
187	0	internal_split_string->segment_sizes,
188	0	0,
189	0	sizeof( size_t ) * number_of_segments ) == NULL )
190	0	{
191	0	libcerror_error_set(
192	0	error,
193	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
194	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
195	0	"%s: unable to clear segment sizes.",
196	0	function );
197
198	0	goto on_error;
199	0	}
200	0	}
201	0	internal_split_string->number_of_segments = number_of_segments;
202
203	0	split_string = (libfvalue_split_utf16_string_t ) internal_split_string;
204
205	0	return( 1 );
206
207	0	on_error:
208	0	if( internal_split_string != NULL )
209	0	{
210	0	if( internal_split_string->segment_sizes != NULL )
211	0	{
212	0	memory_free(
213	0	internal_split_string->segment_sizes );
214	0	}
215	0	if( internal_split_string->segments != NULL )
216	0	{
217	0	memory_free(
218	0	internal_split_string->segments );
219	0	}
220	0	if( internal_split_string->string != NULL )
221	0	{
222	0	memory_free(
223	0	internal_split_string->string );
224	0	}
225	0	memory_free(
226	0	internal_split_string );
227	0	}
228	0	return( -1 );
229	0	}
230
231		/* Frees a split UTF-16 string
232		* Returns 1 if successful or -1 on error
233		*/
234		int libfvalue_split_utf16_string_free(
235		libfvalue_split_utf16_string_t **split_string,
236		libcerror_error_t **error )
237	0	{
238	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
239	0	static char *function = "libfvalue_split_utf16_string_free";
240
241	0	if( split_string == NULL )
242	0	{
243	0	libcerror_error_set(
244	0	error,
245	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
246	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
247	0	"%s: invalid split string.",
248	0	function );
249
250	0	return( -1 );
251	0	}
252	0	if( *split_string != NULL )
253	0	{
254	0	internal_split_string = (libfvalue_internal_split_utf16_string_t ) split_string;
255	0	*split_string = NULL;
256
257	0	if( internal_split_string->string != NULL )
258	0	{
259	0	memory_free(
260	0	internal_split_string->string );
261	0	}
262	0	if( internal_split_string->segments != NULL )
263	0	{
264	0	memory_free(
265	0	internal_split_string->segments );
266	0	}
267	0	if( internal_split_string->segment_sizes != NULL )
268	0	{
269	0	memory_free(
270	0	internal_split_string->segment_sizes );
271	0	}
272	0	memory_free(
273	0	internal_split_string );
274	0	}
275	0	return( 1 );
276	0	}
277
278		/* Retrieves the UTF-16 string
279		* Returns 1 if successful or -1 on error
280		*/
281		int libfvalue_split_utf16_string_get_string(
282		libfvalue_split_utf16_string_t *split_string,
283		uint16_t **utf16_string,
284		size_t *utf16_string_size,
285		libcerror_error_t **error )
286	0	{
287	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
288	0	static char *function = "libfvalue_split_utf16_string_get_string";
289
290	0	if( split_string == NULL )
291	0	{
292	0	libcerror_error_set(
293	0	error,
294	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
295	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
296	0	"%s: invalid split string.",
297	0	function );
298
299	0	return( -1 );
300	0	}
301	0	internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;
302
303	0	if( utf16_string == NULL )
304	0	{
305	0	libcerror_error_set(
306	0	error,
307	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
308	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
309	0	"%s: invalid UTF-16 string.",
310	0	function );
311
312	0	return( -1 );
313	0	}
314	0	if( utf16_string_size == NULL )
315	0	{
316	0	libcerror_error_set(
317	0	error,
318	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
319	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
320	0	"%s: invalid UTF-16 string size.",
321	0	function );
322
323	0	return( -1 );
324	0	}
325	0	*utf16_string = internal_split_string->string;
326	0	*utf16_string_size = internal_split_string->string_size;
327
328	0	return( 1 );
329	0	}
330
331		/* Retrieves the number of segments
332		* Returns 1 if successful or -1 on error
333		*/
334		int libfvalue_split_utf16_string_get_number_of_segments(
335		libfvalue_split_utf16_string_t *split_string,
336		int *number_of_segments,
337		libcerror_error_t **error )
338	0	{
339	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
340	0	static char *function = "libfvalue_split_utf16_string_get_number_of_segments";
341
342	0	if( split_string == NULL )
343	0	{
344	0	libcerror_error_set(
345	0	error,
346	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
347	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
348	0	"%s: invalid split string.",
349	0	function );
350
351	0	return( -1 );
352	0	}
353	0	internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;
354
355	0	if( number_of_segments == NULL )
356	0	{
357	0	libcerror_error_set(
358	0	error,
359	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
360	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
361	0	"%s: invalid number of segments.",
362	0	function );
363
364	0	return( -1 );
365	0	}
366	0	*number_of_segments = internal_split_string->number_of_segments;
367
368	0	return( 1 );
369	0	}
370
371		/* Retrieves a specific segment
372		* Returns 1 if successful or -1 on error
373		*/
374		int libfvalue_split_utf16_string_get_segment_by_index(
375		libfvalue_split_utf16_string_t *split_string,
376		int segment_index,
377		uint16_t **utf16_string_segment,
378		size_t *utf16_string_segment_size,
379		libcerror_error_t **error )
380	0	{
381	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
382	0	static char *function = "libfvalue_split_utf16_string_get_segment_by_index";
383
384	0	if( split_string == NULL )
385	0	{
386	0	libcerror_error_set(
387	0	error,
388	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
389	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
390	0	"%s: invalid split string.",
391	0	function );
392
393	0	return( -1 );
394	0	}
395	0	internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;
396
397	0	if( ( segment_index < 0 )
398	0	\|\| ( segment_index >= internal_split_string->number_of_segments ) )
399	0	{
400	0	libcerror_error_set(
401	0	error,
402	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
403	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
404	0	"%s: invalid segment index value out of bounds.",
405	0	function );
406
407	0	return( -1 );
408	0	}
409	0	if( utf16_string_segment == NULL )
410	0	{
411	0	libcerror_error_set(
412	0	error,
413	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
414	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
415	0	"%s: invalid UTF-16 string segment.",
416	0	function );
417
418	0	return( -1 );
419	0	}
420	0	if( utf16_string_segment_size == NULL )
421	0	{
422	0	libcerror_error_set(
423	0	error,
424	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
425	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
426	0	"%s: invalid UTF-16 string segment size.",
427	0	function );
428
429	0	return( -1 );
430	0	}
431	0	*utf16_string_segment = internal_split_string->segments[ segment_index ];
432	0	*utf16_string_segment_size = internal_split_string->segment_sizes[ segment_index ];
433
434	0	return( 1 );
435	0	}
436
437		/* Sets a specific segment
438		* Returns 1 if successful or -1 on error
439		*/
440		int libfvalue_split_utf16_string_set_segment_by_index(
441		libfvalue_split_utf16_string_t *split_string,
442		int segment_index,
443		uint16_t *utf16_string_segment,
444		size_t utf16_string_segment_size,
445		libcerror_error_t **error )
446	0	{
447	0	libfvalue_internal_split_utf16_string_t *internal_split_string = NULL;
448	0	static char *function = "libfvalue_split_utf16_string_set_segment_by_index";
449	0	size_t utf16_string_segment_offset = 0;
450
451	0	if( split_string == NULL )
452	0	{
453	0	libcerror_error_set(
454	0	error,
455	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
456	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
457	0	"%s: invalid split string.",
458	0	function );
459
460	0	return( -1 );
461	0	}
462	0	internal_split_string = (libfvalue_internal_split_utf16_string_t *) split_string;
463
464	0	if( ( segment_index < 0 )
465	0	\|\| ( segment_index >= internal_split_string->number_of_segments ) )
466	0	{
467	0	libcerror_error_set(
468	0	error,
469	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
470	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
471	0	"%s: invalid segment index value out of bounds.",
472	0	function );
473
474	0	return( -1 );
475	0	}
476	0	if( utf16_string_segment_size > (size_t) SSIZE_MAX )
477	0	{
478	0	libcerror_error_set(
479	0	error,
480	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
481	0	LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
482	0	"%s: invalid UTF-16 string segment size value exceeds maximum.",
483	0	function );
484
485	0	return( -1 );
486	0	}
487	0	if( utf16_string_segment == NULL )
488	0	{
489	0	if( utf16_string_segment_size != 0 )
490	0	{
491	0	libcerror_error_set(
492	0	error,
493	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
494	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
495	0	"%s: invalid UTF-16 string segment size value out of bounds.",
496	0	function );
497
498	0	return( -1 );
499	0	}
500	0	}
501	0	else
502	0	{
503	0	if( utf16_string_segment < internal_split_string->string )
504	0	{
505	0	libcerror_error_set(
506	0	error,
507	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
508	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
509	0	"%s: invalid UTF-16 string segment value out of bounds.",
510	0	function );
511
512	0	return( -1 );
513	0	}
514	0	utf16_string_segment_offset = (size_t) ( utf16_string_segment - internal_split_string->string );
515
516	0	if( utf16_string_segment_offset > internal_split_string->string_size )
517	0	{
518	0	libcerror_error_set(
519	0	error,
520	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
521	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
522	0	"%s: invalid UTF-16 string segment value out of bounds.",
523	0	function );
524
525	0	return( -1 );
526	0	}
527	0	utf16_string_segment_offset += utf16_string_segment_size;
528
529	0	if( utf16_string_segment_offset > internal_split_string->string_size )
530	0	{
531	0	libcerror_error_set(
532	0	error,
533	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
534	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
535	0	"%s: invalid UTF-16 string segment value out of bounds.",
536	0	function );
537
538	0	return( -1 );
539	0	}
540	0	}
541	0	internal_split_string->segments[ segment_index ] = utf16_string_segment;
542	0	internal_split_string->segment_sizes[ segment_index ] = utf16_string_segment_size;
543
544	0	return( 1 );
545	0	}
546