/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "plstr.h"

#include <string.h>

PR_IMPLEMENT(char*)

PL_strcpy(char* dest, const char* src) {

  if (((char*)0 == dest) || ((const char*)0 == src)) {

    return (char*)0;

  }

  return strcpy(dest, src);

}

PR_IMPLEMENT(char*)

PL_strncpy(char* dest, const char* src, PRUint32 max) {

  char* rv;

  if ((char*)0 == dest) {

    return (char*)0;

  }

  if ((const char*)0 == src) {

    return (char*)0;

  }

  for (rv = dest; max && ((*dest = *src) != 0); dest++, src++, max--);

#ifdef JLRU

  /* XXX I (wtc) think the -- and ++ operators should be postfix. */

  while (--max) {

    *++dest = '\0';

  }

#endif /* JLRU */

  return rv;

}

PR_IMPLEMENT(char*)

PL_strncpyz(char* dest, const char* src, PRUint32 max) {

  char* rv;

  if ((char*)0 == dest) {

    return (char*)0;

  }

  if ((const char*)0 == src) {

    return (char*)0;

  }

  if (0 == max) {

    return (char*)0;

  }

  for (rv = dest, max--; max && ((*dest = *src) != 0); dest++, src++, max--);

  *dest = '\0';

  return rv;

}