Re: UTF-8 chars never displayed in get/walk output for 5.7.3

I see this code added in this revision:
https://sourceforge.net/p/net-snmp/code/ci/7f05daa8e0e0f533b0f12a3e1cf07641519909d6/

> Mike Stupalov <mailto:[email protected]>
> 30 November 2017 at 01:06
> Hi,
>
> I already added bug report
> (https://sourceforge.net/p/net-snmp/bugs/2815/), but probably issue need
> additional discussion.
>
> Server with net-snmp daemon, where I added some string with UTF8 chars
> for testing purposes (but I know real system where used UTF8 chars).
>
> My test string is: "Rue de la Métallurgie, 4530 Villers-le-Bouillet,
> België"
>
> in old versions (seems as pre 5.7) I see correct UTF8 string in get/walk
> requests
>
> **NET-SNMP version: 5.4.3 (Ubuntu 12.04.5)**
>
> SNMPv2-MIB::sysLocation.0 = STRING: Rue de la Métallurgie, 4530
> Villers-le-Bouillet, België
>
> **NET-SNMP version: 5.5 (CentOS 6)**
>
> SNMPv2-MIB::sysLocation.0 = STRING: Rue de la Métallurgie, 4530
> Villers-le-Bouillet, België
>
> but for 5.7.x on different system, I see 2 dots instead each UTF8 chars:
>
> **NET-SNMP version: 5.7.3 (Ubuntu 16.04.3)**
> **NET-SNMP version: 5.7.3 (FreeBSD 10.3-RELEASE-p18)**
>
> SNMPv2-MIB::sysLocation.0 = STRING: Rue de la M..tallurgie, 4530
> Villers-le-Bouillet, Belgi..
>
>
> I'm not C-guru, but I think this is DISPLAY-HINT conversion issue.
>
> For such strings used textual conversion
> SNMPv2-TC::DisplayString (DISPLAY-HINT "255a")
>
> I compared code from 5.7.3 and 5.4.4 in snmplib/mib.c
> and see string conversion cardinally changed for "a" and "t" hints.
>
> And I think issue something in function sprint_realloc_asciistring().
>
> I tried rebuild Ubuntu package with old code for hint conversion, and
> issue is gone for me!
>
> Probably some one can fix this more correctly with
> sprint_realloc_asciistring()?
>
>


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