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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
2024-07-12[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.
2024-07-11Reland: [libc] Move off_t and stdio macros to proxy hdrs (#98384)Michael Jones
reland of https://github.com/llvm/llvm-project/pull/98215 Additionally adds proxy headers for FILE and the fopencookie types The arm32 build has been failing due to redefinitions of the off_t type. This patch fixes this by moving off_t to a proper proxy header. To do this, it also moves stdio macros to a proxy header to hopefully avoid including this proxy header alongside this public stdio.h.
2023-09-26[libc] Implement `fseek`, `fflush`, and `ftell` on the GPU (#67160)Joseph Huber
Summary: This patch adds the necessary entrypoints to handle the `fseek`, `fflush`, and `ftell` functions. These are all very straightfoward, we simply make RPC calls to the associated function on the other end. Implementing it this way allows us to more or less borrow the state of the stream from the server as we intentionally maintain no internal state on the GPU device. However, this does not implement the `errno` functinality so that must be ignored.