[mapserver-commits] [MapServer/MapServer] df2449: size msClipPolygonRect buffer for 3 emitted points...

[Naveed]

  Branch: refs/heads/backport-7577-to-branch-8-6
  Home:   https://github.com/MapServer/MapServer
  Commit: df2449c8e64898740995029973542681813b109a
      https://github.com/MapServer/MapServer/commit/df2449c8e64898740995029973542681813b109a
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-08-03 (Mon, 03 Aug 2026)

  Changed paths:
    M src/mapprimitive.cpp

  Log Message:
  -----------
  size msClipPolygonRect buffer for 3 emitted points per edge


  Commit: e5b65db13c2e3e5d76caf5a9ad446a05e1da3ab6
      https://github.com/MapServer/MapServer/commit/e5b65db13c2e3e5d76caf5a9ad446a05e1da3ab6
  Author: Naveed <naveed at bugqore.com>
  Date:   2026-08-03 (Mon, 03 Aug 2026)

  Changed paths:
    A msautotest/misc/clip_polygon_corners.map
    A msautotest/misc/expected/clip_polygon_corners.png

  Log Message:
  -----------
  add msautotest case for polygon clipping at the rect corners

Two inline rings whose edges cut across the corners of the clip rectangle,
so a single edge emits three points and the clipped rings come out at 14 and
16 points from 6 and 7. Against the previous 2*numpoints allocation this
aborts under ASAN in msDrawShape().


Compare: https://github.com/MapServer/MapServer/compare/df2449c8e648%5E...e5b65db13c2e

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