static void ast_cdr_fork(struct ast_channel *chan, struct ast_flags optflags, char *set) 
{
	struct ast_cdr *cdr;
	struct ast_cdr *newcdr;
	struct ast_flags flags = { AST_CDR_FLAG_KEEP_VARS };

	cdr = ast_channel_cdr(chan);

	while (cdr->next)
		cdr = cdr->next;
	
	if (!(newcdr = ast_cdr_dup_unique(cdr)))
		return;
	
	/*
	 * End the original CDR if requested BEFORE appending the new CDR
	 * otherwise we incorrectly end the new CDR also.
	 */
	if (ast_test_flag(&optflags, OPT_ENDCDR)) {
		ast_cdr_end(cdr);
	}

	ast_cdr_append(cdr, newcdr);

	if (!ast_test_flag(&optflags, OPT_NORESET))
		ast_cdr_reset(newcdr, &flags);
		
	if (!ast_test_flag(cdr, AST_CDR_FLAG_KEEP_VARS))
		ast_cdr_free_vars(cdr, 0);
	
	if (!ast_strlen_zero(set)) {
		char *varname = ast_strdupa(set), *varval;
		varval = strchr(varname,'=');
		if (varval) {
			*varval = 0;
			varval++;
			ast_cdr_setvar(cdr, varname, varval, 0);
		}
	}
	
	if (ast_test_flag(&optflags, OPT_SETANS) && !ast_tvzero(cdr->answer))
		newcdr->answer = newcdr->start;

	if (ast_test_flag(&optflags, OPT_SETDISP))
		newcdr->disposition = cdr->disposition;
	
	if (ast_test_flag(&optflags, OPT_RESETDEST))
		newcdr->dstchannel[0] = 0;
	
	if (ast_test_flag(&optflags, OPT_ANSLOCK))
		ast_set_flag(cdr, AST_CDR_FLAG_ANSLOCKED);
	
	if (ast_test_flag(&optflags, OPT_DONTOUCH))
		ast_set_flag(cdr, AST_CDR_FLAG_DONT_TOUCH);
		
	ast_set_flag(cdr, AST_CDR_FLAG_CHILD | AST_CDR_FLAG_LOCKED);
}
static void ast_cdr_fork(struct ast_channel *chan, struct ast_flags optflags, char *set) 
{
	struct ast_cdr *cdr;
	struct ast_cdr *newcdr;
	struct ast_flags flags = { AST_CDR_FLAG_KEEP_VARS };

	cdr = chan->cdr;

	while (cdr->next)
		cdr = cdr->next;
	
	if (!(newcdr = ast_cdr_dup(cdr)))
		return;
	
	ast_cdr_append(cdr, newcdr);

	if (!ast_test_flag(&optflags, OPT_NORESET))
		ast_cdr_reset(newcdr, &flags);
		
	if (!ast_test_flag(cdr, AST_CDR_FLAG_KEEP_VARS))
		ast_cdr_free_vars(cdr, 0);
	
	if (!ast_strlen_zero(set)) {
		char *varname = ast_strdupa(set), *varval;
		varval = strchr(varname,'=');
		if (varval) {
			*varval = 0;
			varval++;
			ast_cdr_setvar(cdr, varname, varval, 0);
		}
	}
	
	if (ast_test_flag(&optflags, OPT_SETANS) && !ast_tvzero(cdr->answer))
		newcdr->answer = newcdr->start;

	if (ast_test_flag(&optflags, OPT_SETDISP))
		newcdr->disposition = cdr->disposition;
	
	if (ast_test_flag(&optflags, OPT_RESETDEST))
		newcdr->dstchannel[0] = 0;
	
	if (ast_test_flag(&optflags, OPT_ENDCDR))
		ast_cdr_end(cdr);

	if (ast_test_flag(&optflags, OPT_ANSLOCK))
		ast_set_flag(cdr, AST_CDR_FLAG_ANSLOCKED);
	
	if (ast_test_flag(&optflags, OPT_DONTOUCH))
		ast_set_flag(cdr, AST_CDR_FLAG_DONT_TOUCH);
		
	ast_set_flag(cdr, AST_CDR_FLAG_CHILD | AST_CDR_FLAG_LOCKED);
}