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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#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 = 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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