strnlen.cpp
795 Bytes
//===-- Implementation of strnlen------------------------------------------===//
//
// 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/strnlen.h"
#include "src/string/string_utils.h"
#include "src/__support/common.h"
#include <stddef.h>
namespace __llvm_libc {
size_t LLVM_LIBC_ENTRYPOINT(strnlen)(const char *src, size_t n) {
const void *temp = internal::find_first_character(
reinterpret_cast<const unsigned char *>(src), '\0', n);
return temp ? reinterpret_cast<const char *>(temp) - src : n;
}
} // namespace __llvm_libc