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[PATCH 0/6] Support hashing objects larger than 4GB on Windows

From
Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>
Date
Jun 4, 2026, 17:15 UTC
Message-ID
<pull.2138.git.1780593313.gitgitgadget@gmail.com>

Philip Oakley has contributed these patches ~4.5 years ago, and they have been carried in Git for Windows ever since.

Now that there are already other patch series flying around that try to address various aspects about >4GB objects (which aren't handled well by Git until it stops forcing unsigned long to do size_t's job), it seems a good time to upstream these patches, too, at long last.

Philip Oakley (6):
  hash-object: demonstrate a >4GB/LLP64 problem
  object-file.c: use size_t for header lengths
  hash algorithms: use size_t for section lengths
  hash-object --stdin: verify that it works with >4GB/LLP64
  hash-object: add another >4GB/LLP64 test case
  hash-object: add a >4GB/LLP64 test case using filtered input
 object-file.c          | 18 +++++++++---------
 object-file.h          |  4 ++--
 sha1dc_git.c           |  3 +--
 sha1dc_git.h           |  2 +-
 t/t1007-hash-object.sh | 39 +++++++++++++++++++++++++++++++++++++++
 5 files changed, 52 insertions(+), 14 deletions(-)
base-commit: 9ac3f193c05c2237e2b14ebaa1149e9fc8a1abe0
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-2138%2Fdscho%2FPhilipOakley%2Fhashliteral_t-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-2138/dscho/PhilipOakley/hashliteral_t-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/2138
-- 
gitgitgadget
Next: Philip Oakley via GitGitGadget
Message 1 of 27 in “Support hashing objects larger than 4GB on Windows”
  1. 0/6 Support hashing objects larger than 4GB on WindowsJohannes Schindelin via GitGitGadget, Jun 4, 2026
  2. 1/6 hash-object: demonstrate a >4GB/LLP64 problemPhilip Oakley via GitGitGadget, Jun 4, 2026
  3. 2/6 object-file.c: use size_t for header lengthsPhilip Oakley via GitGitGadget, Jun 4, 2026
  4. Patrick SteinhardtJun 15, 2026
  5. Johannes SchindelinJun 16, 2026
  6. 3/6 hash algorithms: use size_t for section lengthsPhilip Oakley via GitGitGadget, Jun 4, 2026
  7. Patrick SteinhardtJun 15, 2026
  8. Johannes SchindelinJun 16, 2026
  9. 4/6 hash-object --stdin: verify that it works with >4GB/LLP64Philip Oakley via GitGitGadget, Jun 4, 2026
  10. Patrick SteinhardtJun 15, 2026
  11. 5/6 hash-object: add another >4GB/LLP64 test casePhilip Oakley via GitGitGadget, Jun 4, 2026
  12. Patrick SteinhardtJun 15, 2026
  13. Johannes SchindelinJun 16, 2026
  14. 6/6 hash-object: add a >4GB/LLP64 test case using filtered inputPhilip Oakley via GitGitGadget, Jun 4, 2026
  15. Philip OakleyJun 4, 2026
  16. Junio C HamanoJun 8, 2026
  17. 0/6 Support hashing objects larger than 4GB on WindowsJohannes Schindelin via GitGitGadget, Jun 16, 2026
  18. 1/6 hash-object: demonstrate a >4GB/LLP64 problemPhilip Oakley via GitGitGadget, Jun 16, 2026
  19. 2/6 object-file.c: use size_t for header lengthsPhilip Oakley via GitGitGadget, Jun 16, 2026
  20. 3/6 hash algorithms: use size_t for section lengthsPhilip Oakley via GitGitGadget, Jun 16, 2026
  21. 4/6 hash-object --stdin: verify that it works with >4GB/LLP64Philip Oakley via GitGitGadget, Jun 16, 2026
  22. 5/6 hash-object: add another >4GB/LLP64 test casePhilip Oakley via GitGitGadget, Jun 16, 2026
  23. 6/6 hash-object: add a >4GB/LLP64 test case using filtered inputPhilip Oakley via GitGitGadget, Jun 16, 2026
  24. Junio C HamanoJun 16, 2026
  25. How does GitGitGadget generate range-diffs, was Re: [PATCH v2 0/6] Support hashing objects larger than 4GB on WindowsJohannes Schindelin, Jun 17, 2026
  26. Junio C HamanoJun 17, 2026
  27. Patrick SteinhardtJun 18, 2026

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