/*

 * (Acquisition) source functions

 *

 * Copyright (C) 2006-2024, 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 "libewf_lef_source.h"

#include "libewf_libcerror.h"

#include "libewf_libcthreads.h"

#include "libewf_source.h"

#include "libewf_types.h"

/* Creates a source

 * Make sure the value source is referencing, is set to NULL

 * Returns 1 if successful or -1 on error

 */

int libewf_source_initialize(

     libewf_source_t **source,

     libewf_lef_source_t *lef_source,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_initialize";

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid source.",

     function );

    return( -1 );

  }

  if( *source != NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,

     "%s: invalid source value already set.",

     function );

    return( -1 );

  }

  if( lef_source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid source.",

     function );

    return( -1 );

  }

  internal_source = memory_allocate_structure(

                     libewf_internal_source_t );

  if( internal_source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to create source.",

     function );

    goto on_error;

  }

  if( memory_set(

       internal_source,

       0,

       sizeof( libewf_internal_source_t ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear source.",

     function );

    memory_free(

     internal_source );

    return( -1 );

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_initialize(

       &( internal_source->read_write_lock ),

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,

     "%s: unable to initialize read/write lock.",

     function );

    goto on_error;

  }

#endif

  internal_source->lef_source = lef_source;

  *source = (libewf_source_t *) internal_source;

  return( 1 );

on_error:

  if( internal_source != NULL )

  {

    memory_free(

     internal_source );

  }

  return( -1 );

}

/* Frees a source

 * Returns 1 if successful or -1 on error

 */

int libewf_source_free(

     libewf_source_t **source,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_free";

  int result                                = 1;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid source.",

     function );

    return( -1 );

  }

  if( *source != NULL )

  {

    internal_source = (libewf_internal_source_t *) *source;

    *source         = NULL;

    /* The lef_source reference is freed elsewhere

     */

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

    if( libcthreads_read_write_lock_free(

         &( internal_source->read_write_lock ),

         error ) != 1 )

    {

      libcerror_error_set(

       error,

       LIBCERROR_ERROR_DOMAIN_RUNTIME,

       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,

       "%s: unable to free read/write lock.",

       function );

      result = -1;

    }

#endif

    memory_free(

     internal_source );

  }

  return( result );

}

/* Retrieves the size of the UTF-8 encoded name

 * The returned size includes the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_name_size(

     libewf_source_t *source,

     size_t *utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_name_size";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf8_name_size(

            internal_source->lef_source,

            utf8_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-8 name size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the UTF-8 encoded name

 * The size should include the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_name(

     libewf_source_t *source,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_name";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf8_name(

            internal_source->lef_source,

            utf8_string,

            utf8_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-8 name size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the size of the UTF-16 encoded name

 * The returned size includes the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf16_name_size(

     libewf_source_t *source,

     size_t *utf16_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf16_name_size";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf16_name_size(

            internal_source->lef_source,

            utf16_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-16 name size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the UTF-16 encoded name

 * The size should include the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf16_name(

     libewf_source_t *source,

     uint16_t *utf16_string,

     size_t utf16_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf16_name";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf16_name(

            internal_source->lef_source,

            utf16_string,

            utf16_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-16 name size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the size of the UTF-8 encoded evidence number

 * The returned size includes the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_evidence_number_size(

     libewf_source_t *source,

     size_t *utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_evidence_number_size";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf8_evidence_number_size(

            internal_source->lef_source,

            utf8_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-8 evidence number size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the UTF-8 encoded evidence number

 * The size should include the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_evidence_number(

     libewf_source_t *source,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_evidence_number";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf8_evidence_number(

            internal_source->lef_source,

            utf8_string,

            utf8_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-8 evidence number size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the size of the UTF-16 encoded evidence number

 * The returned size includes the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf16_evidence_number_size(

     libewf_source_t *source,

     size_t *utf16_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf16_evidence_number_size";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf16_evidence_number_size(

            internal_source->lef_source,

            utf16_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-16 evidence number size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the UTF-16 encoded evidence number

 * The size should include the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf16_evidence_number(

     libewf_source_t *source,

     uint16_t *utf16_string,

     size_t utf16_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf16_evidence_number";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf16_evidence_number(

            internal_source->lef_source,

            utf16_string,

            utf16_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-16 evidence number size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the size of the UTF-8 encoded location

 * The returned size includes the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_location_size(

     libewf_source_t *source,

     size_t *utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_location_size";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to grab read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  result = libewf_lef_source_get_utf8_location_size(

            internal_source->lef_source,

            utf8_string_size,

            error );

  if( result == -1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve UTF-8 location size.",

     function );

    result = -1;

  }

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_release_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to release read/write lock for reading.",

     function );

    return( -1 );

  }

#endif

  return( result );

}

/* Retrieves the UTF-8 encoded location

 * The size should include the end of string character

 * Returns 1 if successful, 0 if not set or -1 on error

 */

int libewf_source_get_utf8_location(

     libewf_source_t *source,

     uint8_t *utf8_string,

     size_t utf8_string_size,

     libcerror_error_t **error )

{

  libewf_internal_source_t *internal_source = NULL;

  static char *function                     = "libewf_source_get_utf8_location";

  int result                                = 0;

  if( source == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid access control entry.",

     function );

    return( -1 );

  }

  internal_source = (libewf_internal_source_t *) source;

#if defined( HAVE_LIBEWF_MULTI_THREAD_SUPPORT )

  if( libcthreads_read_write_lock_grab_for_read(

       internal_source->read_write_lock,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,