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//===-- Implementation of atoi --------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "src/stdlib/atoi.h"
#include "src/__support/common.h"
#include "src/__support/str_to_integer.h"
#include "src/errno/libc_errno.h"
namespace LIBC_NAMESPACE {
LLVM_LIBC_FUNCTION(int, atoi, (const char *str)) {
// This is done because the standard specifies that atoi is identical to
// (int)(strtol).
auto result = internal::strtointeger<long>(str, 10);
if (result.has_error())
libc_errno = result.error;
return static_cast<int>(result);
}
} // namespace LIBC_NAMESPACE
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