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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.
*
* License: GPL (version 3 or any later version).
* See LICENSE for details.
* 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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