/* Copyright 2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * 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.
 */

/**
 * @file lcn_types.h
 * @brief Random stuff that doesn't fit anywhere else
 */

#ifndef _LCN_TYPES_H
#define _LCN_TYPES_H

#include <apr.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/** Since we use C89 we need a boolean type... */
typedef int lcn_boolean_t;

#ifndef FALSE
/** You figure it out. */
#define FALSE 0
#endif

#ifndef TRUE
/** You figure it out. */
#define TRUE 1
#endif

/** A handy wrapper for functions that return an @c lcn_error_t, just returns
 * the error to our caller if it's not @c LCN_NO_ERROR.
 */
#define LCN_ERR(expr)                    \
  do {                                   \
    lcn_error_t *lcn_err__temp = (expr); \
    if (lcn_err__temp)                   \
      return lcn_err__temp;              \
    } while (0)

/** Index into an apr_array_header_t */
#define APR_ARRAY_IDX(ary,i,type) (((type *)(ary)->elts)[i])

/** Easier array-pushing syntax */
#define APR_ARRAY_PUSH(ary,type) (*((type *)apr_array_push (ary)))

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif