105e1612cScgyurgyik //===-- Implementation of strcmp ------------------------------------------===//
205e1612cScgyurgyik //
305e1612cScgyurgyik // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
405e1612cScgyurgyik // See https://llvm.org/LICENSE.txt for license information.
505e1612cScgyurgyik // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
605e1612cScgyurgyik //
705e1612cScgyurgyik //===----------------------------------------------------------------------===//
805e1612cScgyurgyik 
905e1612cScgyurgyik #include "src/string/strcmp.h"
1005e1612cScgyurgyik 
1105e1612cScgyurgyik #include "src/__support/common.h"
1205e1612cScgyurgyik 
1305e1612cScgyurgyik namespace __llvm_libc {
1405e1612cScgyurgyik 
1505e1612cScgyurgyik // TODO: Look at benefits for comparing words at a time.
16*a0b65a7bSMichael Jones LLVM_LIBC_FUNCTION(int, strcmp, (const char *left, const char *right)) {
1705e1612cScgyurgyik   for (; *left && *left == *right; ++left, ++right)
1805e1612cScgyurgyik     ;
1905e1612cScgyurgyik   return *reinterpret_cast<const unsigned char *>(left) -
2005e1612cScgyurgyik          *reinterpret_cast<const unsigned char *>(right);
2105e1612cScgyurgyik }
2205e1612cScgyurgyik 
2305e1612cScgyurgyik } // namespace __llvm_libc
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