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Add IImage::checkDataSizeLimit and make IImage getDataSizeFromFormat return size_t

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It's to allow image loader to check for sane limits for image sizes.
Idea came from this patch from sfan5 for Minetest: dbd39120e7
Thought solution is a bit different. 
Image loader checks not yet added (will come soon).
Also note that limit is to s32. While u32 might work mostly it will run into some troubles with color converter for now (which maybe could be changes). Also 2GB ought to be enough for anybody, right?

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6386 dfc29bdd-3216-0410-991c-e03cc46cb475
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cutealien
2022-05-06 19:47:38 +00:00
parent 76d013d9d6
commit 72b1522083
7 changed files with 41 additions and 26 deletions
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@@ -1,6 +1,7 @@
--------------------------
Changes in 1.9 (not yet released)
- Add IImage::checkDataSizeLimit and make IImage getDataSizeFromFormat return size_t so image loaders can check if sizes are sane.
- Fix crash with large jpg files. Based somewhat on a patch in Minetest from sfan5 https://github.com/minetest/irrlicht/commit/594de9915346a87f67cd94e28c7933993efb5d3b
- COSOperator::getSystemMemory now returns some value on OSX (thought same for total and available).
Thanks @sfan5 for patch https://irrlicht.sourceforge.io/forum/viewtopic.php?f=2&t=52819 and https://github.com/minetest/irrlicht/commit/e469c54f76f6d24f92389b4e8a27b9cce7152888