ndhc/ncmlib/strl.c
2010-11-12 18:46:45 -05:00

61 lines
2.0 KiB
C

/* strl.c - strlcpy/strlcat implementation
* Time-stamp: <2010-11-03 05:25:02 njk>
*
* (c) 2003-2010 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include "strl.h"
#ifndef HAVE_STRLCPY
size_t strlcpy (char *dest, const char *src, size_t size)
{
register unsigned int i = 0;
if (size > 0) {
size--;
for (i=0; size > 0 && src[i] != '\0'; ++i, size--)
dest[i] = src[i];
dest[i] = '\0';
}
while (src[i++]);
return i;
}
#endif /* HAVE_STRLCPY */
#ifndef HAVE_STRLCAT
size_t strlcat (char *dest, const char *src, size_t size)
{
register char *d = dest;
for (; size > 0 && *d != '\0'; size--, d++);
return (d - dest) + strlcpy(d, src, size);
}
#endif /* HAVE_STRLCAT */