73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001-2005 Alexander Barton (alex@barton.de)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* Please read the file COPYING, README and AUTHORS for more information.
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*/
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#include "portab.h"
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/**
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* @file
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* strlcpy() and strlcat() replacement functions.
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*
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* See <http://www.openbsd.org/papers/strlcpy-paper.ps> for details.
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*
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* Code partially borrowed from compat.c of rsync, written by Andrew
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* Tridgell (1998) and Martin Pool (2002):
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* <http://cvs.samba.org/cgi-bin/cvsweb/rsync/lib/compat.c>
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*/
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#include <string.h>
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#include <sys/types.h>
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#ifndef HAVE_STRLCAT
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GLOBAL size_t
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strlcat( char *dst, const char *src, size_t size )
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{
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/* Like strncat() but does not 0 fill the buffer and
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* always null terminates. */
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size_t len1 = strlen( dst );
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size_t len2 = strlen( src );
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size_t ret = len1 + len2;
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if( size && ( len1 < size - 1 )) {
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if( len2 >= size - len1 )
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len2 = size - len1 - 1;
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memcpy( dst + len1, src, len2 );
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dst[len1 + len2] = 0;
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}
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return ret;
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} /* strlcat */
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#endif
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#ifndef HAVE_STRLCPY
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GLOBAL size_t
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strlcpy( char *dst, const char *src, size_t size )
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{
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/* Like strncpy but does not 0 fill the buffer and
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* always null terminates. */
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size_t len = strlen( src );
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size_t ret = len;
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if( size > 0 ) {
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if( len >= size ) len = size - 1;
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memcpy( dst, src, len );
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dst[len] = 0;
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}
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return ret;
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} /* strlcpy */
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#endif
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/* -eof- */
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