DB files incompatible with non-debian files

Asked by Josh Littlefield on 2017-04-19

We've found that a database files written on Debian are not readable on CentOS, and vice versa.
The issue stems from a very old commit from close to with tokyocabinet came to Debian:


From what I can tell, this commit did little more than ensure that the files no longer conform to the spec (http://fallabs.com/tokyocabinet/spex-en.html#fileformat), which specifies little-endian, when run on a platform that is already little-endian.
The Tokyocabinet code seems to default to I/O in host order, and this change makes all Debian platforms write files in anti-host order. A change aimed at portable files (as the comment implies) would have made byte-swapping conditional on the architecture.

This is all water under the bridge because it's been this way since 2007. But should there be a package variant which offers portable files conforming to the spec (little-endian)?

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Also noticed that the configure script has always supported auto-detecting endianess, and doing byte-swapping when needed to maintain file consistency. So this blanket use of --enable-swab, which doesn't even take the architecture into account, is just completely wrong.

Launchpad Janitor (janitor) said : #2

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