-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Il 19/07/2013 21:48, Eric Blake ha scritto: >>> start = sector_num * BDRV_SECTOR_SIZE; + ret = >>> BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID | start; > off_t is a signed type; if you are compiling on a platform with > 32-bit off_t, is it possible that you will get unintended sign > extension for values of 'start' between 2 and 4 GB? Or are such > files already impossible to open? [Or do we intentionally require > off_t be 64-bits on all platforms we care about?]
Good question. If we don't, we should. In the meanwhile, I'll change start/data/hole to be int64_t. Paolo -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJR8RcVAAoJEBvWZb6bTYbymN0P/15/doObltN+2vCE1WtQD8IZ Woqd/Itct/1KXHCLv423ThO23/WpE3KSPna25a19sGeJQSXdZB7E2shDtxNErEob a0c0n6yMzDI0iU+UX1/mPacoIZt5tiWHzd3W4sTIgVDjHUa1Xctgp8bv3gNFNHzh Ese6mdNNhJQCPqA67qLhzSGfnWUCxGV0F9HDK23dfYJUQ8yoEnRWqLYjRH0qgEG4 LRydUCyfU3BjvmRlLLRMrJHxSJKQKbYMO94IY1ZPqKn1TxKPnOHdIYOgNP8wFAWA 3uA5kc0r9qEmSyh01dbQ+bBkp9lRzDRgxrmii4LZXiQvF6kAXxrY5fEuUHrewGwC 1KeFccGLkgWH1jI19M8URjzbjQwGm79yYIqlt4ZLDwam88VXlxYse7odaRESGSWY HQqak7WSlDFPlvNj7eR3lruGN3E9F6XAoMCVwRnPRbrx9G9ezH302VF7IXHvlFJu yK+iRwoWUSkKPWVBxiMrI5HAWlt4N6Akje2VPhkaJQYBQ0LwLhMiDWfMJySW9M7I qNz/CjbMljwEGOEjYZ7PUKd0H76mcX1xwDi3ofBkJn3Bu74+C5xs7ZRRNO/tIu2c mVxxYbP7R3dTDdF6sOTVIjUt9M7ObDJ0I0Y0aev1BSTv5tiZb9KB+ef9DRn2Drhk cVcuJYJiEvL3JV9J5zDE =ANdZ -----END PGP SIGNATURE-----
