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Fix some undefined behavior (#209)

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* Fix some undefined behavior

* Avoid overflow in line simplification calculations

* Oops, missed a test

* Didn't mean to add that to the Makefile

* Revert "Revert "[ci] test in debug mode (#202)""

This reverts commit c95c328e47.

* Fix reference to out-of-scope pointer

* Fix invalid shift and out-of-bounds vector element reference

* Update changelog and version
This commit is contained in:
Erica Fischer
2024-03-01 10:11:41 -08:00
committed by GitHub
parent 312e1560a3
commit 6a8f1b83d8
38 changed files with 7903 additions and 9076 deletions
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tile-join.cpp
+2 -1
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@@ -562,7 +562,8 @@ struct tileset_reader {
zoom++;
overzoomed_tiles.clear();
long long scale = (1LL << zoom) / (1LL << maxzoom_so_far);
// +1 because maxzoom_so_far is initially -1, an invalid shift
long long scale = (1LL << (zoom + 1)) / (1LL << (maxzoom_so_far + 1));
// If this is the first overzoomed level, we don't know yet
// which tiles will be useful, so spell out all 4 child tiles