1b6a20a49Scgyurgyik //===-- Implementation of memchr ------------------------------------------===// 2b6a20a49Scgyurgyik // 3b6a20a49Scgyurgyik // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4b6a20a49Scgyurgyik // See https://llvm.org/LICENSE.txt for license information. 5b6a20a49Scgyurgyik // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6b6a20a49Scgyurgyik // 7b6a20a49Scgyurgyik //===----------------------------------------------------------------------===// 8b6a20a49Scgyurgyik 9b6a20a49Scgyurgyik #include "src/string/memchr.h" 10*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 11c92d1aa4Scgyurgyik #include "src/string/string_utils.h" 12c92d1aa4Scgyurgyik 13b6a20a49Scgyurgyik #include "src/__support/common.h" 14b6a20a49Scgyurgyik #include <stddef.h> 15b6a20a49Scgyurgyik 16*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 17b6a20a49Scgyurgyik 18b6a20a49Scgyurgyik // TODO: Look at performance benefits of comparing words. 19a0b65a7bSMichael Jones LLVM_LIBC_FUNCTION(void *, memchr, (const void *src, int c, size_t n)) { 20c92d1aa4Scgyurgyik return internal::find_first_character( 216d1543a1SAlex Brachet reinterpret_cast<const unsigned char *>(src), 226d1543a1SAlex Brachet static_cast<unsigned char>(c), n); 23b6a20a49Scgyurgyik } 24b6a20a49Scgyurgyik 25*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 26