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//===-- Implementation of strcoll -----------------------------------------===//
//
// 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/string/strcoll.h"
#include "src/__support/common.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/null_check.h"
namespace LIBC_NAMESPACE_DECL {
// TODO: Add support for locales.
LLVM_LIBC_FUNCTION(int, strcoll, (const char *left, const char *right)) {
LIBC_CRASH_ON_NULLPTR(left);
LIBC_CRASH_ON_NULLPTR(right);
for (; *left && *left == *right; ++left, ++right)
;
return static_cast<int>(*left) - static_cast<int>(*right);
}
} // namespace LIBC_NAMESPACE_DECL
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