/*

 * Support functions

 *

 * Copyright (C) 2008-2024, 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 <narrow_string.h>

#include <system_string.h>

#include <types.h>

#include <wide_string.h>

#if defined( HAVE_SYS_STAT_H )

#include <sys/stat.h>

#endif

#if defined( HAVE_ERRNO_H )

#include <errno.h>

#endif

#if defined( HAVE_UNISTD_H )

#include <unistd.h>

#endif

#include "libcfile_definitions.h"

#include "libcfile_libcerror.h"

#include "libcfile_libclocale.h"

#include "libcfile_libuna.h"

#include "libcfile_support.h"

#include "libcfile_winapi.h"

#if !defined( HAVE_LOCAL_LIBCFILE )

/* Returns the library version as a string

 */

const char *libcfile_get_version(

             void )

{

  return( (const char *) LIBCFILE_VERSION_STRING );

}

/* Retrieves the narrow system string codepage

 * A value of 0 represents no codepage, UTF-8 encoding is used instead

 * Returns 1 if successful or -1 on error

 */

int libcfile_get_codepage(

     int *codepage,

     libcerror_error_t **error )

{

  static char *function = "libcfile_get_codepage";

  if( libclocale_codepage_get(

       codepage,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_GET_FAILED,

     "%s: unable to retrieve codepage.",

     function );

    return( -1 );

  }

  return( 1 );

}

/* Sets the narrow system string codepage

 * A value of 0 represents no codepage, UTF-8 encoding is used instead

 * Returns 1 if successful or -1 on error

 */

int libcfile_set_codepage(

     int codepage,

     libcerror_error_t **error )

{

  static char *function = "libcfile_set_codepage";

  if( libclocale_codepage_set(

       codepage,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_RUNTIME,

     LIBCERROR_RUNTIME_ERROR_SET_FAILED,

     "%s: unable to set codepage.",

     function );

    return( -1 );

  }

  return( 1 );

}

#endif /* !defined( HAVE_LOCAL_LIBCFILE ) */

#if defined( WINAPI )

/* Determines if a file exists

 * This function uses the WINAPI function for Windows XP (0x0501) or later,

 * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier

 * Returns 1 if the file exists, 0 if not or -1 on error

 */

int libcfile_file_exists(

     const char *filename,

     libcerror_error_t **error )

{

  static char *function  = "libcfile_file_exists";

  size_t filename_length = 0;

  DWORD error_code       = 0;

  DWORD file_attributes  = 0;

  HANDLE handle          = INVALID_HANDLE_VALUE;

  int is_device_filename = 0;

  int result             = 1;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  filename_length = narrow_string_length(

                     filename );

  if( filename_length > 4 )

  {

    if( ( filename[ 0 ] == '\\' )

     && ( filename[ 1 ] == '\\' )

     && ( filename[ 2 ] == '.' )

     && ( filename[ 3 ] == '\\' ) )

    {

      /* Ignore \\.\F:\ which is an alternative notation for F:

       */

      if( ( filename_length < 7 )

       || ( filename[ 5 ] != ':' )

       || ( filename[ 6 ] != '\\' ) )

      {

        is_device_filename = 1;

      }

    }

  }

  if( is_device_filename != 0 )

  {

#if ( WINVER <= 0x0500 )

    handle = libcfile_CreateFileA(

              (LPCSTR) filename,

              GENERIC_READ,

              FILE_SHARE_READ | FILE_SHARE_WRITE,

              NULL,

              OPEN_EXISTING,

              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,

              NULL );

#else

    handle = CreateFileA(

              (LPCSTR) filename,

              GENERIC_READ,

              FILE_SHARE_READ | FILE_SHARE_WRITE,

              NULL,

              OPEN_EXISTING,

              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,

              NULL );

#endif

    if( handle == INVALID_HANDLE_VALUE )

    {

      error_code = (uint32_t) GetLastError();

      switch( error_code )

      {

        case ERROR_ACCESS_DENIED:

          result = 1;

          break;

        case ERROR_FILE_NOT_FOUND:

        case ERROR_PATH_NOT_FOUND:

          result = 0;

          break;

        default:

          libcerror_system_set_error(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_OPEN_FAILED,

           error_code,

           "%s: unable to open file: %s.",

           function,

           filename );

          return( -1 );

      }

    }

    else

    {

#if ( WINVER <= 0x0500 )

      result = libcfile_CloseHandle(

                handle );

#else

      result = CloseHandle(

                handle );

#endif

      if( result == 0 )

      {

        error_code = GetLastError();

        libcerror_system_set_error(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_CLOSE_FAILED,

         error_code,

         "%s: unable to close file.",

         function );

        return( -1 );

      }

      result = 1;

    }

  }

  else

  {

    /* Note that GetFileAttributesA does not support Windows device file names.

     */

#if ( WINVER <= 0x0500 )

    file_attributes = libcfile_GetFileAttributesA(

                       (LPCSTR) filename );

#else

    file_attributes = GetFileAttributesA(

                       (LPCSTR) filename );

#endif

    if( file_attributes == INVALID_FILE_ATTRIBUTES )

    {

      error_code = GetLastError();

      switch( error_code )

      {

        case ERROR_ACCESS_DENIED:

          result = 1;

          break;

        case ERROR_FILE_NOT_FOUND:

        case ERROR_PATH_NOT_FOUND:

          result = 0;

          break;

        default:

          libcerror_system_set_error(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_GENERIC,

           error_code,

           "%s: unable to determine attributes of file: %s.",

           function,

           filename );

          return( -1 );

      }

    }

  }

  return( result );

}

#elif defined( HAVE_STAT )

/* Determines if a file exists

 * This function uses the POSIX stat function or equivalent

 * Returns 1 if the file exists, 0 if not or -1 on error

 */

int libcfile_file_exists(

     const char *filename,

     libcerror_error_t **error )

{

  struct stat file_statistics;

  static char *function = "libcfile_file_exists";

  int result            = 0;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  if( memory_set(

       &file_statistics,

       0,

       sizeof( struct stat ) ) == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_SET_FAILED,

     "%s: unable to clear file statistics.",

     function );

    return( -1 );

  }

  result = stat(

            filename,

            &file_statistics );

  if( result != 0 )

  {

    switch( errno )

    {

      case EACCES:

        result = 1;

        break;

      case ENOENT:

        result = 0;

        break;

      default:

        libcerror_system_set_error(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_GENERIC,

         errno,

         "%s: unable to stat file: %" PRIs_SYSTEM ".",

         function,

         filename );

        return( -1 );

    }

  }

  else

  {

    result = 1;

  }

  return( result );

}

#else

#error Missing file exists function

#endif

#if defined( HAVE_WIDE_CHARACTER_TYPE )

#if defined( WINAPI )

/* Determines if a file exists using get file attibutes

 * This function uses the WINAPI function for Windows XP (0x0501) or later,

 * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier

 * Returns 1 if the file exists, 0 if not or -1 on error

 */

int libcfile_file_exists_wide(

     const wchar_t *filename,

     libcerror_error_t **error )

{

  static char *function  = "libcfile_file_exists_wide";

  size_t filename_length = 0;

  DWORD error_code       = 0;

  DWORD file_attributes  = 0;

  HANDLE handle          = INVALID_HANDLE_VALUE;

  int is_device_filename = 0;

  int result             = 1;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  filename_length = wide_string_length(

                     filename );

  if( filename_length > 4 )

  {

    if( ( filename[ 0 ] == (uint16_t) '\\' )

     && ( filename[ 1 ] == (uint16_t) '\\' )

     && ( filename[ 2 ] == (uint16_t) '.' )

     && ( filename[ 3 ] == (uint16_t) '\\' ) )

    {

      /* Ignore \\.\F:\ which is an alternative notation for F:

       */

      if( ( filename_length < 7 )

       || ( filename[ 5 ] != (uint16_t) ':' )

       || ( filename[ 6 ] != (uint16_t) '\\' ) )

      {

        is_device_filename = 1;

      }

    }

  }

  if( is_device_filename != 0 )

  {

#if ( WINVER <= 0x0500 )

    handle = libcfile_CreateFileW(

              (LPCWSTR) filename,

              GENERIC_READ,

              FILE_SHARE_READ | FILE_SHARE_WRITE,

              NULL,

              OPEN_EXISTING,

              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,

              NULL );

#else

    handle = CreateFileW(

              (LPCWSTR) filename,

              GENERIC_READ,

              FILE_SHARE_READ | FILE_SHARE_WRITE,

              NULL,

              OPEN_EXISTING,

              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,

              NULL );

#endif

    if( handle == INVALID_HANDLE_VALUE )

    {

      error_code = (uint32_t) GetLastError();

      switch( error_code )

      {

        case ERROR_ACCESS_DENIED:

          result = 1;

          break;

        case ERROR_FILE_NOT_FOUND:

        case ERROR_PATH_NOT_FOUND:

          result = 0;

          break;

        default:

          libcerror_system_set_error(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_OPEN_FAILED,

           error_code,

           "%s: unable to open file: %ls.",

           function,

           filename );

          return( -1 );

      }

    }

    else

    {

#if ( WINVER <= 0x0500 )

      result = libcfile_CloseHandle(

                handle );

#else

      result = CloseHandle(

                handle );

#endif

      if( result == 0 )

      {

        error_code = GetLastError();

        libcerror_system_set_error(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_CLOSE_FAILED,

         error_code,

         "%s: unable to close file.",

         function );

        return( -1 );

      }

      result = 1;

    }

  }

  else

  {

    /* Note that GetFileAttributesW does not support Windows device file names.

     */

#if ( WINVER <= 0x0500 )

    file_attributes = libcfile_GetFileAttributesW(

                       (LPCWSTR) filename );

#else

    file_attributes = GetFileAttributesW(

                       (LPCWSTR) filename );

#endif

    if( file_attributes == INVALID_FILE_ATTRIBUTES )

    {

      error_code = GetLastError();

      switch( error_code )

      {

        case ERROR_ACCESS_DENIED:

          result = 1;

          break;

        case ERROR_FILE_NOT_FOUND:

        case ERROR_PATH_NOT_FOUND:

          result = 0;

          break;

        default:

          libcerror_system_set_error(

           error,

           LIBCERROR_ERROR_DOMAIN_IO,

           LIBCERROR_IO_ERROR_GENERIC,

           error_code,

           "%s: unable to determine attributes of file: %ls.",

           function,

           filename );

          return( -1 );

      }

    }

  }

  return( result );

}

#elif defined( HAVE_STAT )

/* Determines if a file exists

 * This function uses the POSIX stat function or equivalent

 * Returns 1 if the file exists, 0 if not or -1 on error

 */

int libcfile_file_exists_wide(

     const wchar_t *filename,

     libcerror_error_t **error )

{

  struct stat file_statistics;

  char *narrow_filename       = NULL;

  static char *function       = "libcfile_file_exists_wide";

  size_t narrow_filename_size = 0;

  size_t filename_size        = 0;

  int result                  = 0;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  filename_size = 1 + wide_string_length(

                       filename );

  /* Convert the filename to a narrow string

   * if the platform has no wide character open function

   */

  if( libclocale_codepage == 0 )

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_utf8_string_size_from_utf32(

              (libuna_utf32_character_t *) filename,

              filename_size,

              &narrow_filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_utf8_string_size_from_utf16(

              (libuna_utf16_character_t *) filename,

              filename_size,

              &narrow_filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  else

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_byte_stream_size_from_utf32(

              (libuna_utf32_character_t *) filename,

              filename_size,

              libclocale_codepage,

              &narrow_filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_byte_stream_size_from_utf16(

              (libuna_utf16_character_t *) filename,

              filename_size,

              libclocale_codepage,

              &narrow_filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  if( result != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_CONVERSION,

     LIBCERROR_CONVERSION_ERROR_GENERIC,

     "%s: unable to determine narrow character filename size.",

     function );

    return( -1 );

  }

  narrow_filename = narrow_string_allocate(

                     narrow_filename_size );

  if( narrow_filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create narrow character filename.",

     function );

    return( -1 );

  }

  if( libclocale_codepage == 0 )

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_utf8_string_copy_from_utf32(

              (libuna_utf8_character_t *) narrow_filename,

              narrow_filename_size,

              (libuna_utf32_character_t *) filename,

              filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_utf8_string_copy_from_utf16(

              (libuna_utf8_character_t *) narrow_filename,

              narrow_filename_size,

              (libuna_utf16_character_t *) filename,

              filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  else

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_byte_stream_copy_from_utf32(

              (uint8_t *) narrow_filename,

              narrow_filename_size,

              libclocale_codepage,

              (libuna_utf32_character_t *) filename,

              filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_byte_stream_copy_from_utf16(

              (uint8_t *) narrow_filename,

              narrow_filename_size,

              libclocale_codepage,

              (libuna_utf16_character_t *) filename,

              filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  if( result != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_CONVERSION,

     LIBCERROR_CONVERSION_ERROR_GENERIC,

     "%s: unable to set narrow character filename.",

     function );

    memory_free(

     narrow_filename );

    return( -1 );

  }

  result = stat(

            narrow_filename,

            &file_statistics );

  memory_free(

   narrow_filename );

  if( result != 0 )

  {

    switch( errno )

    {

      case EACCES:

        result = 1;

        break;

      case ENOENT:

        result = 0;

        break;

      default:

        libcerror_system_set_error(

         error,

         LIBCERROR_ERROR_DOMAIN_IO,

         LIBCERROR_IO_ERROR_GENERIC,

         errno,

         "%s: unable to stat file: %" PRIs_SYSTEM ".",

         function,

         filename );

        return( -1 );

    }

  }

  else

  {

    result = 1;

  }

  return( result );

}

#else

#error Missing file exists wide function

#endif

#endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */

/* Removes a file

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove(

     const char *filename,

     libcerror_error_t **error )

{

  static char *function = "libcfile_file_remove";

  uint32_t error_code   = 0;

  if( libcfile_file_remove_with_error_code(

       filename,

       &error_code,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_UNLINK_FAILED,

     "%s: unable to remove file.",

     function );

    return( -1 );

  }

  return( 1 );

}

#if defined( WINAPI )

/* Removes a file

 * This function uses the WINAPI function for Windows XP (0x0501) or later,

 * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove_with_error_code(

     const char *filename,

     uint32_t *error_code,

     libcerror_error_t **error )

{

  static char *function = "libcfile_file_remove_with_error_code";

  BOOL result           = FALSE;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  if( error_code == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid error code.",

     function );

    return( -1 );

  }

#if ( WINVER <= 0x0500 )

  result = libcfile_DeleteFileA(

            filename );

#else

  result = DeleteFileA(

            filename );

#endif

  if( result == 0 )

  {

    *error_code = GetLastError();

    libcerror_system_set_error(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_UNLINK_FAILED,

     *error_code,

     "%s: unable to remove file.",

     function );

    return( -1 );

  }

  return( 1 );

}

#elif defined( HAVE_UNLINK )

/* Removes a file

 * This function uses the POSIX unlink function or equivalent

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove_with_error_code(

     const char *filename,

     uint32_t *error_code,

     libcerror_error_t **error )

{

  static char *function = "libcfile_file_remove_with_error_code";

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  if( error_code == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid error code.",

     function );

    return( -1 );

  }

  if( unlink(

       filename ) != 0 )

  {

    *error_code = (uint32_t) errno;

    libcerror_system_set_error(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_UNLINK_FAILED,

     *error_code,

     "%s: unable to unlink file.",

     function );

    return( -1 );

  }

  return( 1 );

}

#else

#error Missing file remove function

#endif

#if defined( HAVE_WIDE_CHARACTER_TYPE )

/* Removes a file

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove_wide(

     const wchar_t *filename,

     libcerror_error_t **error )

{

  static char *function = "libcfile_file_remove_wide";

  uint32_t error_code   = 0;

  if( libcfile_file_remove_wide_with_error_code(

       filename,

       &error_code,

       error ) != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_UNLINK_FAILED,

     "%s: unable to remove file.",

     function );

    return( -1 );

  }

  return( 1 );

}

#if defined( WINAPI )

/* Removes a file

 * This function uses the WINAPI function for Windows XP (0x0501) or later,

 * or tries to dynamically call the function for Windows 2000 (0x0500) or earlier

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove_wide_with_error_code(

     const wchar_t *filename,

     uint32_t *error_code,

     libcerror_error_t **error )

{

  static char *function = "libcfile_file_remove_wide_with_error_code";

  BOOL result           = FALSE;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  if( error_code == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid error code.",

     function );

    return( -1 );

  }

#if ( WINVER <= 0x0500 )

  result = libcfile_DeleteFileW(

            filename );

#else

  result = DeleteFileW(

            filename );

#endif

  if( result == 0 )

  {

    *error_code = GetLastError();

    libcerror_system_set_error(

     error,

     LIBCERROR_ERROR_DOMAIN_IO,

     LIBCERROR_IO_ERROR_UNLINK_FAILED,

     *error_code,

     "%s: unable to remove file.",

     function );

    return( -1 );

  }

  return( 1 );

}

#elif defined( HAVE_UNLINK )

/* Removes a file

 * This function uses the POSIX unlink function or equivalent

 * Returns 1 if successful or -1 on error

 */

int libcfile_file_remove_wide_with_error_code(

     const wchar_t *filename,

     uint32_t *error_code,

     libcerror_error_t **error )

{

  char *narrow_filename       = NULL;

  static char *function       = "libcfile_file_remove_wide_with_error_code";

  size_t narrow_filename_size = 0;

  size_t filename_size        = 0;

  int result                  = 0;

  if( filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid filename.",

     function );

    return( -1 );

  }

  if( error_code == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,

     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,

     "%s: invalid error code.",

     function );

    return( -1 );

  }

  filename_size = 1 + wide_string_length(

                       filename );

  /* Convert the filename to a narrow string

   * if the platform has no wide character open function

   */

  if( libclocale_codepage == 0 )

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_utf8_string_size_from_utf32(

              (libuna_utf32_character_t *) filename,

              filename_size,

              &narrow_filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_utf8_string_size_from_utf16(

              (libuna_utf16_character_t *) filename,

              filename_size,

              &narrow_filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  else

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_byte_stream_size_from_utf32(

              (libuna_utf32_character_t *) filename,

              filename_size,

              libclocale_codepage,

              &narrow_filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_byte_stream_size_from_utf16(

              (libuna_utf16_character_t *) filename,

              filename_size,

              libclocale_codepage,

              &narrow_filename_size,

              error );

#else

#error Unsupported size of wchar_t

#endif /* SIZEOF_WCHAR_T */

  }

  if( result != 1 )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_CONVERSION,

     LIBCERROR_CONVERSION_ERROR_GENERIC,

     "%s: unable to determine narrow character filename size.",

     function );

    goto on_error;

  }

  narrow_filename = narrow_string_allocate(

                     narrow_filename_size );

  if( narrow_filename == NULL )

  {

    libcerror_error_set(

     error,

     LIBCERROR_ERROR_DOMAIN_MEMORY,

     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,

     "%s: unable to create narrow character filename.",

     function );

    goto on_error;

  }

  if( libclocale_codepage == 0 )

  {

#if SIZEOF_WCHAR_T == 4

    result = libuna_utf8_string_copy_from_utf32(

              (libuna_utf8_character_t *) narrow_filename,

              narrow_filename_size,

              (libuna_utf32_character_t *) filename,

              filename_size,

              error );

#elif SIZEOF_WCHAR_T == 2

    result = libuna_utf8_string_copy_from_utf16(

              (libuna_utf8_character_t *) narrow_filename,

              narrow_filename_size,

              (libuna_utf16_character_t *) filename,

              filename_size,

              error );

#else

#error Unsupported size of wchar_t