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[libc][annex_k] Add errno_t. #163094

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[libc][annex_k] Add errno_t. #163094

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b00886e
[libc][annex_k] Add errno_t.
bassiounix Oct 12, 2025
b841bdd
change location of errno_t
bassiounix Oct 13, 2025
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9 changes: 9 additions & 0 deletions libc/hdr/types/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -162,6 +162,15 @@ add_proxy_header_library(
libc.include.fcntl
)

add_proxy_header_library(
errno_t
HDRS
errno_t.h
FULL_BUILD_DEPENDS
libc.include.llvm-libc-types.errno_t
libc.include.errno
)

add_proxy_header_library(
fenv_t
HDRS
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18 changes: 18 additions & 0 deletions libc/hdr/types/errno_t.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
//===-- Proxy for errno_t -------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_HDR_TYPES_ERRNO_T_H
#define LLVM_LIBC_HDR_TYPES_ERRNO_T_H

#define LIBC_HAS_ANNEX_K

#include "include/llvm-libc-types/errno_t.h"

#undef LIBC_HAS_ANNEX_K

#endif // LLVM_LIBC_HDR_TYPES_ERRNO_T_H
1 change: 1 addition & 0 deletions libc/include/CMakeLists.txt
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Expand Up @@ -302,6 +302,7 @@ add_header_macro(
DEPENDS
.llvm-libc-macros.generic_error_number_macros
.llvm-libc-macros.error_number_macros
.llvm-libc-types.errno_t
)

add_header_macro(
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2 changes: 2 additions & 0 deletions libc/include/errno.h.def
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Expand Up @@ -33,4 +33,6 @@ __END_C_DECLS

#define errno (*__llvm_libc_errno())

#include "llvm-libc-types/errno_t.h"

#endif // LLVM_LIBC_ERRNO_H
2 changes: 2 additions & 0 deletions libc/include/llvm-libc-types/CMakeLists.txt
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Expand Up @@ -296,3 +296,5 @@ add_header(EFI_SYSTEM_TABLE
.EFI_TABLE_HEADER
.char16_t
)

add_header(errno_t HDR errno_t.h)
18 changes: 18 additions & 0 deletions libc/include/llvm-libc-types/errno_t.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
//===-- Definition of type errno_t ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_INCLUDE_LLVM_LIBC_TYPES_ERRNO_T_H
#define LLVM_LIBC_INCLUDE_LLVM_LIBC_TYPES_ERRNO_T_H

#ifdef LIBC_HAS_ANNEX_K

typedef int errno_t;

#endif // LIBC_HAS_ANNEX_K

#endif // LLVM_LIBC_INCLUDE_LLVM_LIBC_TYPES_ERRNO_T_H
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