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//===-- Implementation of memchr ------------------------------------------===//
//
// 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/memchr.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/null_check.h"
#include "src/string/string_utils.h"
#include "src/__support/common.h"
#include <stddef.h>
namespace LIBC_NAMESPACE_DECL {
// TODO: Look at performance benefits of comparing words.
LLVM_LIBC_FUNCTION(void *, memchr, (const void *src, int c, size_t n)) {
if (n)
LIBC_CRASH_ON_NULLPTR(src);
return internal::find_first_character(
reinterpret_cast<const unsigned char *>(src),
static_cast<unsigned char>(c), n);
}
} // namespace LIBC_NAMESPACE_DECL
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