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/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
*
* 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.
*/
#include "portab.h"
/**
* @file
* 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://cvs.samba.org/cgi-bin/cvsweb/rsync/lib/compat.c>
*/
#include <string.h>
#include <sys/types.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( size && ( len1 < size - 1 )) {
if( len2 >= size - len1 )
len2 = size - len1 - 1;
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 ) {
if( len >= size ) len = size - 1;
memcpy( dst, src, len );
dst[len] = 0;
}
return ret;
} /* strlcpy */
#endif
/* -eof- */
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