llvm-project.git/libc/test/src/stdio/fprintf_test.cpp, branch main

[libc] Add printf error handling (with fixes #2) (#166517)

2025-11-05T21:09:53+00:00

https://github.com/llvm/llvm-project/issues/159474

Another try of trying to land
https://github.com/llvm/llvm-project/pull/166382
- Fix some leftover tests checking for specific  errnos
- Guard errno checking tests to not run on the GPU

@michaelrj-google

Revert commit d8e5698 and 15b19c7 (#166498)

2025-11-05T03:43:16+00:00

[libc] Fix fprintf_test assuming specific errnos. (#166479)

2025-11-05T00:56:00+00:00

The patch #166382 fixed most of these, but missed the fprintf_test ones.

[libc] Add printf error handling (with fixes) (#166382)

2025-11-05T00:20:51+00:00

https://github.com/llvm/llvm-project/issues/159474

Resubmitting https://github.com/llvm/llvm-project/pull/162876 with fixes
as it broke some buildbots:
 - Fix comparisons of integer expressions of different signedness
- Not check for specific errnos in tests, as they might not be available
on all platforms

Revert "[libc] Add printf error handling" (#166232)

2025-11-03T20:50:11+00:00

[libc] Add printf error handling (#162876)

2025-11-03T19:15:14+00:00

[#159474](https://github.com/llvm/llvm-project/issues/159474)

- All printf variants set errno and consistently return -1 on error,
instead of returning various predefined error codes
- Return value overflow handling is added

[libc][stdio] Separate temporary files for unit test and hermetic test in stdio test suite. (#149740)

2025-07-21T12:58:09+00:00

[libc][stdio] Use proxy headers of stdio.h in src and test folders. (#110067)

2024-10-01T15:48:07+00:00

https://github.com/llvm/llvm-project/issues/60481

[libc] Mass replace enclosing namespace (#67032)

2023-09-26T09:45:04+00:00

This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079

[libc] Refactor scanf reader to match printf (#66023)

2023-09-22T19:50:02+00:00

In a previous patch, the printf writer was rewritten to use a single
writer class with a buffer and a callback hook. This patch refactors
scanf's reader to match conceptually.