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[PR #1134] [MERGED] Fix crash when window width and height are too high #24488

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opened 2026-01-31 09:03:36 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 09:03:36 +00:00
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📋 Pull Request Information

Original PR: https://github.com/microsoft/terminal/pull/1134
Author: @dkter
Created: 6/4/2019
Status: ✅ Merged
Merged: 6/5/2019
Merged by: @miniksa

Base: master ← Head: fix-initialrows-overflow

📝 Commits (3)

  • cdb6946 Fix crash when initialRows and initialColumns are too high
  • cdf10f4 Use namespace Microsoft::Console in Terminal.cpp
  • 5ef3514 Add unit test for ClampToShortMax

📊 Changes

7 files changed (+79 additions, -15 deletions)

View changed files

📝 src/cascadia/TerminalCore/Terminal.cpp (+9 -11)
📝 src/cascadia/WindowsTerminal/AppHost.cpp (+8 -4)
📝 src/types/inc/utils.hpp (+2 -0)
📝 src/types/ut_types/Types.Unit.Tests.vcxproj (+1 -0)
➕ src/types/ut_types/UtilsTests.cpp (+44 -0)
📝 src/types/ut_types/sources (+1 -0)
📝 src/types/utils.cpp (+14 -0)

📄 Description

Summary of the Pull Request

Currently, the program crashes with a window width or height greater than 32767 (accounting for window decorations). This can be caused when the initialRows and initialColumns settings are set too high (also depends on the font width and height). This fixes the issue by not allowing the window to expand beyond 32767x32767.

References

#843 - relocated the ClampToShortMax helper for reuse elsewhere

PR Checklist

  • Closes Error APPX3217 (#859)
  • CLA signed. If not, go over here and sign the CLA
  • Tests added/passed
  • Requires documentation to be updated
  • I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #859

Detailed Description of the Pull Request / Additional comments

I didn't add tests because there doesn't seem to be a test framework for the WindowsTerminal project yet.

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/microsoft/terminal/pull/1134 **Author:** [@dkter](https://github.com/dkter) **Created:** 6/4/2019 **Status:** ✅ Merged **Merged:** 6/5/2019 **Merged by:** [@miniksa](https://github.com/miniksa) **Base:** `master` ← **Head:** `fix-initialrows-overflow` --- ### 📝 Commits (3) - [`cdb6946`](https://github.com/microsoft/terminal/commit/cdb694637ed2d0e72e38dc06d0d30ce3f160a386) Fix crash when initialRows and initialColumns are too high - [`cdf10f4`](https://github.com/microsoft/terminal/commit/cdf10f4e17873c5ce28ed8a7dd067eb6dedce407) Use namespace Microsoft::Console in Terminal.cpp - [`5ef3514`](https://github.com/microsoft/terminal/commit/5ef351423706437429d5f8f5ab284a581df20ce3) Add unit test for ClampToShortMax ### 📊 Changes **7 files changed** (+79 additions, -15 deletions) <details> <summary>View changed files</summary> 📝 `src/cascadia/TerminalCore/Terminal.cpp` (+9 -11) 📝 `src/cascadia/WindowsTerminal/AppHost.cpp` (+8 -4) 📝 `src/types/inc/utils.hpp` (+2 -0) 📝 `src/types/ut_types/Types.Unit.Tests.vcxproj` (+1 -0) ➕ `src/types/ut_types/UtilsTests.cpp` (+44 -0) 📝 `src/types/ut_types/sources` (+1 -0) 📝 `src/types/utils.cpp` (+14 -0) </details> ### 📄 Description <!-- Enter a brief description/summary of your PR here. What does it fix/what does it change/how was it tested (even manually, if necessary)? --> ## Summary of the Pull Request Currently, the program crashes with a window width or height greater than 32767 (accounting for window decorations). This can be caused when the `initialRows` and `initialColumns` settings are set too high (also depends on the font width and height). This fixes the issue by not allowing the window to expand beyond 32767x32767. <!-- Other than the issue solved, is this relevant to any other issues/existing PRs? --> ## References #843 - relocated the ClampToShortMax helper for reuse elsewhere <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist * [x] Closes #859 * [x] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA * [x] Tests added/passed * [ ] Requires documentation to be updated * [x] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #859 <!-- Provide a more detailed description of the PR, other things fixed or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments I didn't add tests because there doesn't seem to be a test framework for the `WindowsTerminal` project yet. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
claunia added the pull-request label 2026-01-31 09:03:36 +00:00
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Reference: starred/terminal#24488
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