1*c8f79892SGuillaume Chatelet //===-- Implementation of bcmp --------------------------------------------===// 2*c8f79892SGuillaume Chatelet // 3*c8f79892SGuillaume Chatelet // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*c8f79892SGuillaume Chatelet // See https://llvm.org/LICENSE.txt for license information. 5*c8f79892SGuillaume Chatelet // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*c8f79892SGuillaume Chatelet // 7*c8f79892SGuillaume Chatelet //===----------------------------------------------------------------------===// 8*c8f79892SGuillaume Chatelet 9*c8f79892SGuillaume Chatelet #include "src/string/bcmp.h" 10*c8f79892SGuillaume Chatelet #include "src/__support/common.h" 11*c8f79892SGuillaume Chatelet 12*c8f79892SGuillaume Chatelet namespace __llvm_libc { 13*c8f79892SGuillaume Chatelet 14*c8f79892SGuillaume Chatelet LLVM_LIBC_FUNCTION(int, bcmp, 15*c8f79892SGuillaume Chatelet (const void *lhs, const void *rhs, size_t count)) { 16*c8f79892SGuillaume Chatelet const unsigned char *_lhs = reinterpret_cast<const unsigned char *>(lhs); 17*c8f79892SGuillaume Chatelet const unsigned char *_rhs = reinterpret_cast<const unsigned char *>(rhs); 18*c8f79892SGuillaume Chatelet for (size_t i = 0; i < count; ++i) { 19*c8f79892SGuillaume Chatelet if (_lhs[i] != _rhs[i]) { 20*c8f79892SGuillaume Chatelet return 1; 21*c8f79892SGuillaume Chatelet } 22*c8f79892SGuillaume Chatelet } 23*c8f79892SGuillaume Chatelet // count is 0 or _lhs and _rhs are the same. 24*c8f79892SGuillaume Chatelet return 0; 25*c8f79892SGuillaume Chatelet } 26*c8f79892SGuillaume Chatelet 27*c8f79892SGuillaume Chatelet } // namespace __llvm_libc 28