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From: | Ireadso |
Subject: | [Libcdio-help] incorrect iso-read from larger than 4G DVD .iso files |
Date: | Thu, 01 Dec 2011 00:33:38 -0800 |
User-agent: | Internet Messaging Program (IMP) H3 (4.1.2) |
Reading large ISO 9660 file systems (over 4GB) results in a file that has ISO header at the beginning of file, and a copy of it right after (2^32 - 1)th byte.
You need to be careful when reading ISO 9660 file systems from DVDs.If the file system is larger than 4GB, libiso9660 can't handle it properly. One of library functions (iso9660_iso_seek_read()?) uses byte offset parameter, and that offset is wrapped back to zero when it reaches 2^32 bytes.
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