Esempi in C++ (Cpp) per libewf_handle_set_maximum_number_of_open_handles

Esempio n. 1

File: mount_handle.c Progetto: fengye110/libewf_64bit

/* Sets the maximum number of (concurrent) open file handles
 * Returns 1 if successful or -1 on error
 */
int mount_handle_set_maximum_number_of_open_handles(
     mount_handle_t *mount_handle,
     int maximum_number_of_open_handles,
     libcerror_error_t **error )
{
	static char *function = "mount_handle_set_maximum_number_of_open_handles";

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

		return( -1 );
	}
	if( libewf_handle_set_maximum_number_of_open_handles(
	     mount_handle->input_handle,
	     maximum_number_of_open_handles,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set maximum number of open handles in input handle.",
		 function );

		return( -1 );
	}
	return( 1 );
}

Esempio n. 2

File: mount_handle.c Progetto: libyal/libewf

/* Opens the mount handle
 * Returns 1 if successful or -1 on error
 */
int mount_handle_open(
     mount_handle_t *mount_handle,
     system_character_t * const * filenames,
     int number_of_filenames,
     libcerror_error_t **error )
{
	libewf_handle_t *ewf_handle            = NULL;
	system_character_t **globbed_filenames = NULL;
	static char *function                  = "mount_handle_open";
	size_t filename_length                 = 0;

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

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

		return( -1 );
	}
	if( number_of_filenames <= 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS,
		 "%s: invalid number of filenames.",
		 function );

		return( -1 );
	}
	if( number_of_filenames == 1 )
	{
		filename_length = system_string_length(
		                   filenames[ 0 ] );

#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide(
		     filenames[ 0 ],
		     filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &globbed_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob(
		     filenames[ 0 ],
		     filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &globbed_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to resolve filename(s).",
			 function );

			goto on_error;
		}
		filenames = (system_character_t * const *) globbed_filenames;
	}
	if( libewf_handle_initialize(
	     &ewf_handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to initialize handle.",
		 function );

		goto on_error;
	}
	if( libewf_handle_set_maximum_number_of_open_handles(
	     ewf_handle,
	     mount_handle->maximum_number_of_open_handles,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set maximum number of open handles in handle.",
		 function );

		goto on_error;
	}
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     ewf_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     ewf_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open file(s).",
		 function );

		goto on_error;
	}
	if( mount_file_system_set_handle(
	     mount_handle->file_system,
	     ewf_handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set handle in file system.",
		 function );

		goto on_error;
	}
	if( globbed_filenames != NULL )
	{
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide_free(
		     globbed_filenames,
		     number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob_free(
		     globbed_filenames,
		     number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
			 "%s: unable to free globbed filenames.",
			 function );

			goto on_error;
		}
	}
	return( 1 );

on_error:
	if( ewf_handle != NULL )
	{
		libewf_handle_free(
		 &ewf_handle,
		 NULL );
	}
	if( globbed_filenames != NULL )
	{
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		libewf_glob_wide_free(
		 globbed_filenames,
		 number_of_filenames,
		 NULL );
#else
		libewf_glob_free(
		 globbed_filenames,
		 number_of_filenames,
		 NULL );
#endif
	}
	return( -1 );
}