1*05e1612cScgyurgyik //===-- Implementation of strcmp ------------------------------------------===//
2*05e1612cScgyurgyik //
3*05e1612cScgyurgyik // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*05e1612cScgyurgyik // See https://llvm.org/LICENSE.txt for license information.
5*05e1612cScgyurgyik // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*05e1612cScgyurgyik //
7*05e1612cScgyurgyik //===----------------------------------------------------------------------===//
8*05e1612cScgyurgyik 
9*05e1612cScgyurgyik #include "src/string/strcmp.h"
10*05e1612cScgyurgyik 
11*05e1612cScgyurgyik #include "src/__support/common.h"
12*05e1612cScgyurgyik 
13*05e1612cScgyurgyik namespace __llvm_libc {
14*05e1612cScgyurgyik 
15*05e1612cScgyurgyik // TODO: Look at benefits for comparing words at a time.
16*05e1612cScgyurgyik int LLVM_LIBC_ENTRYPOINT(strcmp)(const char *left, const char *right) {
17*05e1612cScgyurgyik   for (; *left && *left == *right; ++left, ++right)
18*05e1612cScgyurgyik     ;
19*05e1612cScgyurgyik   return *reinterpret_cast<const unsigned char *>(left) -
20*05e1612cScgyurgyik          *reinterpret_cast<const unsigned char *>(right);
21*05e1612cScgyurgyik }
22*05e1612cScgyurgyik 
23*05e1612cScgyurgyik } // namespace __llvm_libc
24