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//===-- Implementation of toupper------------------------------------------===//
//
// 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/ctype/toupper.h"
#include "src/__support/CPP/limits.h"
#include "src/__support/common.h"
#include "src/__support/ctype_utils.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, toupper, (int c)) {
if (c < cpp::numeric_limits<char>::min() ||
c > cpp::numeric_limits<char>::max()) {
return c;
}
return static_cast<int>(internal::toupper(static_cast<char>(c)));
}
} // namespace LIBC_NAMESPACE_DECL
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