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uzairnawazuzairnawaz
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[libc] Implement widechar to integer public functions (#148683)
Implement public wchar -> integer public functions using templated internal wcs_to_integer function
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17 files changed

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17 files changed

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‎libc/config/linux/x86_64/entrypoints.txt‎

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@@ -391,6 +391,11 @@ set(TARGET_LIBC_ENTRYPOINTS
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libc.src.wchar.wcpcpy
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libc.src.wchar.wcpncpy
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libc.src.wchar.wcstok
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libc.src.wchar.wcstol
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libc.src.wchar.wcstoll
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libc.src.wchar.wcstoul
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libc.src.wchar.wcstoull
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# sys/uio.h entrypoints
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libc.src.sys.uio.writev

‎libc/include/wchar.yaml‎

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@@ -242,3 +242,35 @@ functions:
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- type: wchar_t *__restrict
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- type: const wchar_t *__restrict
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- type: size_t
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- name: wcstol
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standards:
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- stdc
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return_type: long
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arguments:
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- type: const wchar_t *__restrict
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- type: wchar_t **__restrict
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- type: int
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- name: wcstoll
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standards:
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- stdc
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return_type: long long
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arguments:
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- type: const wchar_t *__restrict
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- type: wchar_t **__restrict
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- type: int
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- name: wcstoul
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standards:
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- stdc
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return_type: unsigned long
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arguments:
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- type: const wchar_t *__restrict
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- type: wchar_t **__restrict
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- type: int
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- name: wcstoull
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standards:
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- stdc
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return_type: unsigned long long
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arguments:
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- type: const wchar_t *__restrict
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- type: wchar_t **__restrict
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- type: int

‎libc/src/wchar/CMakeLists.txt‎

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@@ -45,6 +45,50 @@ add_entrypoint_object(
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libc.src.__support.wctype_utils
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)
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add_entrypoint_object(
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wcstol
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SRCS
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wcstol.cpp
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HDRS
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wcstol.h
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DEPENDS
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libc.src.errno.errno
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libc.src.__support.wcs_to_integer
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)
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add_entrypoint_object(
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wcstoll
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SRCS
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wcstoll.cpp
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HDRS
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wcstoll.h
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DEPENDS
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libc.src.errno.errno
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libc.src.__support.wcs_to_integer
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)
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add_entrypoint_object(
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wcstoul
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SRCS
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wcstoul.cpp
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HDRS
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wcstoul.h
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DEPENDS
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libc.src.errno.errno
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libc.src.__support.wcs_to_integer
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)
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add_entrypoint_object(
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wcstoull
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SRCS
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wcstoull.cpp
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HDRS
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wcstoull.h
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DEPENDS
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libc.src.errno.errno
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libc.src.__support.wcs_to_integer
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)
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add_entrypoint_object(
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wcstok
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SRCS

‎libc/src/wchar/wcstol.cpp‎

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//===-- Implementation of wcstol ------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/wchar/wcstol.h"
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#include "src/__support/common.h"
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#include "src/__support/libc_errno.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/wcs_to_integer.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(long, wcstol,
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(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base)) {
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auto result = internal::wcstointeger<long>(str, base);
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if (result.has_error())
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libc_errno = result.error;
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if (str_end != nullptr)
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*str_end = const_cast<wchar_t *>(str + result.parsed_len);
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return result;
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}
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} // namespace LIBC_NAMESPACE_DECL

‎libc/src/wchar/wcstol.h‎

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//===-- Implementation header for wcstol ------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SRC_WCHAR_WCSTOL_H
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#define LLVM_LIBC_SRC_WCHAR_WCSTOL_H
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#include "hdr/types/wint_t.h"
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#include "src/__support/macros/config.h"
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namespace LIBC_NAMESPACE_DECL {
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long wcstol(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base);
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} // namespace LIBC_NAMESPACE_DECL
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#endif // LLVM_LIBC_SRC_WCHAR_WCSTOL_H

‎libc/src/wchar/wcstoll.cpp‎

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//===-- Implementation of wcstoll -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/wchar/wcstoll.h"
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#include "src/__support/common.h"
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#include "src/__support/libc_errno.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/wcs_to_integer.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(long long, wcstoll,
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(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base)) {
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auto result = internal::wcstointeger<long long>(str, base);
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if (result.has_error())
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libc_errno = result.error;
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if (str_end != nullptr)
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*str_end = const_cast<wchar_t *>(str + result.parsed_len);
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return result;
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}
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} // namespace LIBC_NAMESPACE_DECL

‎libc/src/wchar/wcstoll.h‎

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//===-- Implementation header for wcstoll -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SRC_WCHAR_WCSTOLL_H
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#define LLVM_LIBC_SRC_WCHAR_WCSTOLL_H
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#include "hdr/types/wint_t.h"
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#include "src/__support/macros/config.h"
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namespace LIBC_NAMESPACE_DECL {
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long long wcstoll(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base);
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} // namespace LIBC_NAMESPACE_DECL
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#endif // LLVM_LIBC_SRC_WCHAR_WCSTOLL_H

‎libc/src/wchar/wcstoul.cpp‎

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//===-- Implementation of wcstoul -----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/wchar/wcstoul.h"
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#include "src/__support/common.h"
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#include "src/__support/libc_errno.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/wcs_to_integer.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(unsigned long, wcstoul,
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(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base)) {
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auto result = internal::wcstointeger<unsigned long>(str, base);
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if (result.has_error())
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libc_errno = result.error;
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if (str_end != nullptr)
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*str_end = const_cast<wchar_t *>(str + result.parsed_len);
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return result;
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}
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} // namespace LIBC_NAMESPACE_DECL

‎libc/src/wchar/wcstoul.h‎

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//===-- Implementation header for wcstoul -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SRC_WCHAR_WCSTOUL_H
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#define LLVM_LIBC_SRC_WCHAR_WCSTOUL_H
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#include "hdr/types/wint_t.h"
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#include "src/__support/macros/config.h"
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namespace LIBC_NAMESPACE_DECL {
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unsigned long wcstoul(const wchar_t *__restrict str,
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wchar_t **__restrict str_end, int base);
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} // namespace LIBC_NAMESPACE_DECL
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#endif // LLVM_LIBC_SRC_WCHAR_WCSTOUL_H

‎libc/src/wchar/wcstoull.cpp‎

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//===-- Implementation of wcstoull ----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/wchar/wcstoull.h"
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#include "src/__support/common.h"
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#include "src/__support/libc_errno.h"
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#include "src/__support/macros/config.h"
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#include "src/__support/wcs_to_integer.h"
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namespace LIBC_NAMESPACE_DECL {
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LLVM_LIBC_FUNCTION(unsigned long long, wcstoull,
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(const wchar_t *__restrict str, wchar_t **__restrict str_end,
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int base)) {
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auto result = internal::wcstointeger<unsigned long long>(str, base);
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if (result.has_error())
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libc_errno = result.error;
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if (str_end != nullptr)
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*str_end = const_cast<wchar_t *>(str + result.parsed_len);
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return result;
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}
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} // namespace LIBC_NAMESPACE_DECL

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