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/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*
* strlcpy() and strlcat() replacement functions.
* See <http://www.openbsd.org/papers/strlcpy-paper.ps> for details.
*
* Code partially borrowed from compat.c of rsync, written by Andrew
* Tridgell (1998) and Martin Pool (2002):
* <http://samba.anu.edu.au/rsync/doxygen/head/lib_2compat_8c.html>
*/
#include "portab.h"
static char UNUSED id[] = "$Id: strlcpy.c,v 1.3 2005/01/18 09:05:37 alex Exp $";
#include "imp.h"
#include <string.h>
#include <sys/types.h>
#include "exp.h"
#ifndef HAVE_STRLCAT
GLOBAL size_t
strlcat( CHAR *dst, CONST CHAR *src, size_t size )
{
/* Like strncat() but does not 0 fill the buffer and
* always null terminates. */
size_t len1 = strlen( dst );
size_t len2 = strlen( src );
size_t ret = len1 + len2;
if( len1 + len2 >= size ) len2 = size - ( len1 + 1 );
if( len2 > 0 )
{
memcpy( dst + len1, src, len2 );
dst[len1 + len2] = 0;
}
return ret;
} /* strlcat */
#endif
#ifndef HAVE_STRLCPY
GLOBAL size_t
strlcpy( CHAR *dst, CONST CHAR *src, size_t size )
{
/* Like strncpy but does not 0 fill the buffer and
* always null terminates. */
size_t len = strlen( src );
size_t ret = len;
if( size <= 0 ) return 0;
if( len >= size ) len = size - 1;
memcpy( dst, src, len );
dst[len] = 0;
return ret;
} /* strlcpy */
#endif
/* -eof- */
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