zircon/kernel/lib/libc/string/strxfrm.c

// Copyright 2016 The Fuchsia Authors
// Copyright (c) 2008 Travis Geiselbrecht
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT

#include <string.h>

size_t strxfrm(char *dest, const char *src, size_t n) {
  size_t len = strlen(src);

  if (n) {
    size_t copy_len = len < n ? len : n - 1;
    memcpy(dest, src, copy_len);
    dest[copy_len] = 0;
  }
  return len;
}