/* Retrieves the section data file IO handle
* Returns 1 if successful -1 on error
*/
int libexe_section_get_data_file_io_handle(
libexe_section_t *section,
libbfio_handle_t **file_io_handle,
libcerror_error_t **error )
{
libexe_section_io_handle_t *io_handle = NULL;
static char *function = "libexe_section_get_data_file_io_handle";
if( libexe_section_io_handle_initialize(
&io_handle,
section,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create section file IO handle.",
function );
goto on_error;
}
if( libbfio_handle_initialize(
file_io_handle,
(intptr_t *) io_handle,
(int (*)(intptr_t **, libcerror_error_t **)) libexe_section_io_handle_free,
(int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) libexe_section_io_handle_clone,
(int (*)(intptr_t *, int flags, libcerror_error_t **)) libexe_section_io_handle_open,
(int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_close,
(ssize_t (*)(intptr_t *, uint8_t *, size_t, libcerror_error_t **)) libexe_section_io_handle_read,
(ssize_t (*)(intptr_t *, const uint8_t *, size_t, libcerror_error_t **)) libexe_section_io_handle_write,
(off64_t (*)(intptr_t *, off64_t, int, libcerror_error_t **)) libexe_section_io_handle_seek_offset,
(int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_exists,
(int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_is_open,
(int (*)(intptr_t *, size64_t *, libcerror_error_t **)) libexe_section_io_handle_get_size,
LIBBFIO_FLAG_IO_HANDLE_MANAGED | LIBBFIO_FLAG_IO_HANDLE_CLONE_BY_FUNCTION,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create file IO handle.",
function );
goto on_error;
}
return( 1 );
on_error:
if( io_handle != NULL )
{
libexe_section_io_handle_free(
&io_handle,
NULL );
}
return( -1 );
}
/* Initializes the file object IO handle
* Returns 1 if successful or -1 on error
*/
int pymsiecf_file_object_initialize(
libbfio_handle_t **handle,
PyObject *file_object,
libcerror_error_t **error )
{
pymsiecf_file_object_io_handle_t *file_object_io_handle = NULL;
static char *function = "pymsiecf_file_object_initialize";
if( handle == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid handle.",
function );
return( -1 );
}
if( *handle != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid handle value already set.",
function );
return( -1 );
}
if( pymsiecf_file_object_io_handle_initialize(
&file_object_io_handle,
file_object,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create file object IO handle.",
function );
goto on_error;
}
if( libbfio_handle_initialize(
handle,
(intptr_t *) file_object_io_handle,
(int (*)(intptr_t **, libcerror_error_t **)) pymsiecf_file_object_io_handle_free,
(int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) pymsiecf_file_object_io_handle_clone,
(int (*)(intptr_t *, int, libcerror_error_t **)) pymsiecf_file_object_io_handle_open,
(int (*)(intptr_t *, libcerror_error_t **)) pymsiecf_file_object_io_handle_close,
(ssize_t (*)(intptr_t *, uint8_t *, size_t, libcerror_error_t **)) pymsiecf_file_object_io_handle_read,
(ssize_t (*)(intptr_t *, const uint8_t *, size_t, libcerror_error_t **)) pymsiecf_file_object_io_handle_write,
(off64_t (*)(intptr_t *, off64_t, int, libcerror_error_t **)) pymsiecf_file_object_io_handle_seek_offset,
(int (*)(intptr_t *, libcerror_error_t **)) pymsiecf_file_object_io_handle_exists,
(int (*)(intptr_t *, libcerror_error_t **)) pymsiecf_file_object_io_handle_is_open,
(int (*)(intptr_t *, size64_t *, libcerror_error_t **)) pymsiecf_file_object_io_handle_get_size,
LIBBFIO_FLAG_IO_HANDLE_MANAGED | LIBBFIO_FLAG_IO_HANDLE_CLONE_BY_FUNCTION,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create handle.",
function );
goto on_error;
}
return( 1 );
on_error:
if( file_object_io_handle != NULL )
{
pymsiecf_file_object_io_handle_free(
&file_object_io_handle,
NULL );
}
return( -1 );
}
