[PATCH 07/11] elf: Implement tail merging of strings in ldconfig

[Florian Weimer]

* Adhemerval Zanella via Libc-alpha:

> On 09/11/2020 15:41, Florian Weimer via Libc-alpha wrote:
>> This simplifies the string table construction in elf/cache.c
>> because there is no more need to keep track of offsets explicitly;
>> the string table implementation does this internally.
>> 
>> This change slightly reduces the size of the cache on disk.  The
>> file format does not change as a result.  The strings are
>> null-terminated, without explicit length, so tail merging is
>> transparent to readers.
>
> Any idea of the size improvement here?

It's smaller than expected.  Looks the tails aren't actually merged.
I'll figure out what is going on.

Thanks,
Florian
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