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sixel: fix NULL deref when using a shared palette and gamma-correct blending

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This fixes a copy-paste error where we read/modified/wrote the
private-palette instead of the shared palette.

Since the private palette is NULL in this case, that meant a crash.

Closes #2370
This commit is contained in:
Daniel Eklöf 2026-06-12 18:09:02 +02:00
parent c9c448e611
commit 75e201608b
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2 changed files with 7 additions and 4 deletions
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CHANGELOG.md
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@ -100,12 +100,15 @@
across the starting column.
* Passing a very large value as CHT/CBT argument hangs the terminal
([#2360][2360]).
* Sixel: crash when using a shared palette and gamma-correct blending
has been enabled, or foot is using 10-bit surface ([#2370][2370]).
[2353]: https://codeberg.org/dnkl/foot/issues/2353
[2352]: https://codeberg.org/dnkl/foot/issues/2352
[2327]: https://codeberg.org/dnkl/foot/issues/2327
[2379]: https://codeberg.org/dnkl/foot/issues/2379
[2360]: https://codeberg.org/dnkl/foot/issues/2360
[2370]: https://codeberg.org/dnkl/foot/issues/2370
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