/*
 * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "dcmtk/config/osconfig.h"
#include "oficonv_strlcpy.h"

#ifndef HAVE_STRLCPY

#include <stddef.h>

/*
 * Copy src to string dst of size siz.  At most siz-1 characters
 * will be copied.  Always NUL terminates (unless siz == 0).
 * Returns strlen(src); if retval >= siz, truncation occurred.
 */
size_t strlcpy(char *dst, const char *src, size_t siz)
{
  char *d = dst;
  const char *s = src;
  size_t n = siz;

  /* Copy as many bytes as will fit */
  if (n != 0 && --n != 0)
  {
    do
    {
      if ((*d++ = *s++) == 0)
         break;
    } while (--n != 0);
  }

  /* Not enough room in dst, add NUL and traverse rest of src */
  if (n == 0)
  {
     if (siz != 0)
        *d = '\0'; /* NUL-terminate dst */
     while (*s++) /* do nothing */ ;
  }

  return(s - src - 1);    /* count does not include NUL */
}

#else

int oficonv_strlcpy_c_dummy_to_keep_linker_from_moaning = 0;

#endif /* HAVE_STRLCPY */