C++ (Cpp) get_req_data_sizeの例

コード例 #1

ファイル: request.c プロジェクト: AmesianX/wine

/* return a pointer to the request data following an object attributes structure */
const void *get_req_data_after_objattr( const struct object_attributes *attr, data_size_t *len )
{
    const void *ptr = (const WCHAR *)((const struct object_attributes *)get_req_data() + 1) +
                       attr->sd_len / sizeof(WCHAR) + attr->name_len / sizeof(WCHAR);
    *len = get_req_data_size() - ((const char *)ptr - (const char *)get_req_data());
    return ptr;
}

コード例 #2

ファイル: lib.c プロジェクト: WASSUM/longene_travel

void get_req_path(struct unicode_str *str, int skip_root)
{
	static const WCHAR root_name[] = { '\\','R','e','g','i','s','t','r','y','\\' };

	str->str = get_req_data();
	str->len = (get_req_data_size() / sizeof(WCHAR)) * sizeof(WCHAR);

	if (skip_root && str->len >= sizeof(root_name) &&
			!memicmpW(str->str, root_name, sizeof(root_name) / sizeof(WCHAR))) {
		str->str += sizeof(root_name) / sizeof(WCHAR);
		str->len -= sizeof(root_name);
	}
}

コード例 #3

ファイル: request.c プロジェクト: AmesianX/wine

/* return object attributes from the current request */
const struct object_attributes *get_req_object_attributes( const struct security_descriptor **sd,
                                                           struct unicode_str *name,
                                                           struct object **root )
{
    static const struct object_attributes empty_attributes;
    const struct object_attributes *attr = get_req_data();
    data_size_t size = get_req_data_size();

    if (root) *root = NULL;

    if (!size)
    {
        *sd = NULL;
        name->len = 0;
        return &empty_attributes;
    }

    if ((size < sizeof(*attr)) || (size - sizeof(*attr) < attr->sd_len) ||
        (size - sizeof(*attr) - attr->sd_len < attr->name_len))
    {
        set_error( STATUS_ACCESS_VIOLATION );
        return NULL;
    }
    if (attr->sd_len && !sd_is_valid( (const struct security_descriptor *)(attr + 1), attr->sd_len ))
    {
        set_error( STATUS_INVALID_SECURITY_DESCR );
        return NULL;
    }
    if ((attr->name_len & (sizeof(WCHAR) - 1)) || attr->name_len >= 65534)
    {
        set_error( STATUS_OBJECT_NAME_INVALID );
        return NULL;
    }
    if (root && attr->rootdir && attr->name_len)
    {
        if (!(*root = get_directory_obj( current->process, attr->rootdir ))) return NULL;
    }
    *sd = attr->sd_len ? (const struct security_descriptor *)(attr + 1) : NULL;
    name->len = attr->name_len;
    name->str = (const WCHAR *)(attr + 1) + attr->sd_len / sizeof(WCHAR);
    return attr;
}

コード例 #4

ファイル: device.c プロジェクト: grandhuit/wine-patched

static obj_handle_t device_file_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async_data,
                                       int blocking )
{
    struct device_file *file = get_fd_user( fd );
    struct irp_call *irp;
    obj_handle_t handle;
    irp_params_t params;

    memset( &params, 0, sizeof(params) );
    params.ioctl.major = IRP_MJ_DEVICE_CONTROL;
    params.ioctl.code  = code;
    params.ioctl.file = file->user_ptr;

    irp = create_irp( file, &params, get_req_data(), get_req_data_size(),
                      get_reply_max_size() );
    if (!irp) return 0;

    handle = queue_irp( file, irp, async_data, blocking );
    release_object( irp );
    return handle;
}

コード例 #5

ファイル: device.c プロジェクト: grandhuit/wine-patched

static obj_handle_t device_file_write( struct fd *fd, const async_data_t *async_data, int blocking,
                                       file_pos_t pos, data_size_t *written )
{
    struct device_file *file = get_fd_user( fd );
    struct irp_call *irp;
    obj_handle_t handle;
    irp_params_t params;

    memset( &params, 0, sizeof(params) );
    params.write.major = IRP_MJ_WRITE;
    params.write.key   = 0;
    params.write.pos   = pos;
    params.write.file  = file->user_ptr;

    irp = create_irp( file, &params, get_req_data(), get_req_data_size(), 0 );
    if (!irp) return 0;

    handle = queue_irp( file, irp, async_data, blocking );
    release_object( irp );
    return handle;
}