path: root/lib/erl_interface/src/registry/reg_gets.c

/*
 * %CopyrightBegin%
 * 
 * Copyright Ericsson AB 1998-2016. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * %CopyrightEnd%
 *

 */
#include <stdlib.h>
#include "reg.h"

const char *ei_reg_getsval(ei_reg *reg, const char *key)
{
  ei_hash *tab;
  ei_reg_obj *obj=NULL;

  if (!key || !reg) return NULL;  /* return (const char *)EI_BADARG; */
  tab = reg->tab;
  
  if ((!(obj=ei_hash_lookup(tab,key))) || /* return (const char *)EI_NOTFOUND; */
      (obj->attr & EI_DELET) || /* return (const char *)EI_NOTFOUND; */
      (ei_reg_typeof(obj) != EI_STR)) /* return (const char *)EI_TYPE; */
    return NULL;

  return obj->val.s;
}