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//===-- Implementation of strlcat -----------------------------------------===//
//
// 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/strlcat.h"
#include "src/__support/macros/config.h"
#include "src/string/string_utils.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(size_t, strlcat,
(char *__restrict dst, const char *__restrict src,
size_t size)) {
char *new_dst = reinterpret_cast<char *>(internal::find_first_character(
reinterpret_cast<unsigned char *>(dst), 0, size));
if (!new_dst)
return size + internal::string_length(src);
size_t first_len = new_dst - dst;
return first_len + internal::strlcpy(new_dst, src, size - first_len);
}
} // namespace LIBC_NAMESPACE_DECL
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