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Re: [Libguestfs] API/ABI changes tracker for libguestfs



On Mon, Oct 31, 2016 at 02:59:59PM +0300, Ponomarenko Andrey wrote:
> Hello,
> 
> The API/ABI interface of the libguestfs library is now checked for backward compatibility in the Upstream Tracker project: https://abi-laboratory.pro/tracker/timeline/libguestfs/
> 
> Hope the report will be helpful for users and maintainers of the library.

A few things:

You can ignore guestfs_internal_* APIs.  As the name suggests no ABI
guarantees are made for those symbols.

I don't agree with the conclusions in this web page related to
guestfs_add_domain_argv and guestfs_add_drive_opts_argv:

  https://abi-laboratory.pro/tracker/compat_report/libguestfs/1.26.10/1.28.12/4fad9/abi_compat_report.html

The initial bitmask in the struct controls which fields are present,
and we handle old caller / new library (and indeed new caller / old
library) correctly as far as I know.

I understand that there's insufficient information in a C header file
to really describe this stuff, but there we are.

Rich.

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