[mapserver-commits] [MapServer/MapServer] c369e5: Fix GetMetadata possible buffer overrun (#6823)

[Seth G]

  Branch: refs/heads/main
  Home:   https://github.com/MapServer/MapServer
  Commit: c369e54ad4517d897e1cabab1926e8ded95bc56f
      https://github.com/MapServer/MapServer/commit/c369e54ad4517d897e1cabab1926e8ded95bc56f
  Author: Seth G <sethg at geographika.co.uk>
  Date:   2023-02-07 (Tue, 07 Feb 2023)

  Changed paths:
    M CMakeLists.txt
    M mapmetadata.c
    M msautotest/mssql/expected/cluster_mssql_getmetadata.xml
    M msautotest/wxs/expected/ows_metadata_empty_layer_param.xml
    M msautotest/wxs/expected/ows_metadata_invalid_layer_param.xml
    M msautotest/wxs/expected/ows_metadata_layer_raster.xml
    M msautotest/wxs/expected/ows_metadata_layer_vector.xml
    M msautotest/wxs/expected/ows_metadata_missing_layer_param.xml

  Log Message:
  -----------
  Fix GetMetadata possible buffer overrun (#6823)

* Fix GetMetadata request

* Switch to xmlDocDumpFormatMemoryEnc

* Add UTF-8 tag

* Add encoding="UTF-8" to expected outputs

* Add charset=UTF-8

* Update search for vsnprintf

* Update CMakeLists.txt

Co-authored-by: Even Rouault <even.rouault at spatialys.com>

* Fix variable name

---------

Co-authored-by: Even Rouault <even.rouault at spatialys.com>