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2025-06-11[libc] Move libc_errno.h to libc/src/__support and make ↵lntue
LIBC_ERRNO_MODE_SYSTEM to be header-only. (#143187) This is the first step in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
2024-10-28[libc] Fix the remaining fcntl.h proxy header includes. (#113961)Job Henandez Lara
2024-10-28[libc] remove #include <fcntl.h> and add proxy or type (#113836)Job Henandez Lara
2024-10-01[libc][stdio] Use proxy headers of stdio.h in src and test folders. (#110067)lntue
https://github.com/llvm/llvm-project/issues/60481
2024-07-12[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98597)Petr Hosek
This is a part of #97655.
2024-07-12Revert "[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace ↵Mehdi Amini
declaration" (#98593) Reverts llvm/llvm-project#98075 bots are broken
2024-07-11[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98075)Petr Hosek
This is a part of #97655.
2024-06-14[libc] Add the implementation of the fdopen function (#94186)Xu Zhang
Fixes #93711 . This patch implements the ``fdopen`` function. Given that ``fdopen`` internally calls ``fcntl``, the implementation of ``fcntl`` has been moved to the ``__support/OSUtil``, where it serves as an internal public function.
2024-03-21[libc][stdio] implement rename via SYS_renameat2 (#86140)Nick Desaulniers
SYS_rename may be unavailable on architectures such as aarch64 and riscv. rename can be implemented in terms of SYS_rename, SYS_renameat, or SYS_renameat2. I don't have a full picture of the history here, but it seems that SYS_renameat might also be unavailable on some platforms. `man 2 rename` mentions that SYS_renameat2 was added in Linux 3.15. We don't need to support such ancient kernel versions prior. Link: #84980 Link: #85068
2024-03-21[libc][c11] Add stdio.h's rename() function (#85068)aniplcc
Adds stdio.h's rename() function as defined in n3096. Fixes #84980.
2024-03-17[libc] remove.cpp dependency on libc.include.stdioPetr Hosek
This addresses a build error introduced by 5a75242bc898886b9833e328ad5f656246424a81.
2023-09-26[libc] Mass replace enclosing namespace (#67032)Guillaume Chatelet
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
2023-08-07[libc][cleanup] Fix most conversion warningsMichael Jones
This patch is large, but is almost entirely just adding casts to calls to syscall_impl. Much of the work was done programatically, with human checking when the syntax or types got confusing. Reviewed By: mcgrathr Differential Revision: https://reviews.llvm.org/D156950
2023-03-03[libc] move stdlib and stdio to new errno patternMichael Jones
Fixes https://github.com/llvm/llvm-project/issues/61071 Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D145191
2022-09-30[libc] add syscall functionMichael Jones
Add the syscall wrapper function and tests. It's implemented using a macro to guarantee the minimum number of arguments. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D134919
2022-09-15[libc] Add the implementation of the "remove" function.Siva Chandra Reddy
Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D133922