Logo Search packages:      
Sourcecode: pcsc-lite version File versions  Download package

strlcpy.c
/*    $OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie Exp $  */

/*
 * Copyright (c) 1998 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef HAVE_STRLCPY

#include <sys/types.h>
#include <string.h>
#include "strlcpycat.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++)
                  ;
      }

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

#endif

Generated by  Doxygen 1.6.0   Back to index