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/** BEGIN COPYRIGHT BLOCK
* 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; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include "slapi-private.h"
#define LS_INCRSIZE 256
/*
* Function: addlenstr
* Arguments: l - pointer to an allocated lenstr structure
* str - the (null-terminated) string to append
* Returns: nothing
* Description: Add "str" to the lenstr, increasing the size if needed.
*/
void
addlenstr( lenstr *l, const char *str )
{
size_t len;
if ( NULL == l || NULL == str ) return;
len = strlen( str );
if ( l->ls_buf == NULL ) {
/* string is empty */
l->ls_maxlen = ( len > LS_INCRSIZE ) ? len : LS_INCRSIZE;
l->ls_len = len;
l->ls_buf = slapi_ch_malloc( l->ls_maxlen + 1 );
memcpy( l->ls_buf, str, len + 1 );
} else {
if ( l->ls_len + len > l->ls_maxlen ) {
l->ls_maxlen *= 2;
if (l->ls_maxlen < l->ls_len + len) {
l->ls_maxlen += len;
}
l->ls_buf = slapi_ch_realloc( l->ls_buf, l->ls_maxlen + 1 );
}
memcpy( l->ls_buf + l->ls_len, str, len + 1 );
l->ls_len += len;
}
}
/*
* Function: lenstr_free
* Arguments: l - pointer to an allocated lenstr structure
* Returns: nothing
* Description: Free a lenstr.
*/
void
lenstr_free( lenstr **l )
{
if ( NULL != l && NULL != *l ) {
lenstr *tl = *l;
if ( tl->ls_buf != NULL ) {
slapi_ch_free((void **) &tl->ls_buf );
}
slapi_ch_free((void **) l );
}
}
/*
* Function: lenstr_new
* Returns: an empty, newly-allocated lenstr
*/
lenstr *
lenstr_new()
{
lenstr *l;
l = ( lenstr * ) slapi_ch_malloc( sizeof( lenstr ));
l->ls_buf = NULL;
l->ls_len = l->ls_maxlen = 0;
return l;
}
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