lwpa_error.h

/******************************************************************************
 * Copyright 2018 ETC Inc.
 *
 * 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.
 *******************************************************************************
 * This file is a part of lwpa. For more information, go to:
 * https://github.com/ETCLabs/lwpa
 ******************************************************************************/
 
/* lwpa_error.h: Platform-neutral error codes. */
#ifndef _LWPA_ERROR_H_
#define _LWPA_ERROR_H_
 
#include <stdlib.h>
 
typedef enum
{
  LWPA_OK = 0,
  LWPA_NOTFOUND = -1,
  LWPA_NOMEM = -2,
  LWPA_BUSY = -3,
  LWPA_EXIST = -4,
  LWPA_INVALID = -5,
  LWPA_WOULDBLOCK = -6,
  LWPA_NODATA = -7,
  LWPA_PROTERR = -8,
  LWPA_MSGSIZE = -9,
  LWPA_ADDRINUSE = -10,
  LWPA_ADDRNOTAVAIL = -11,
  LWPA_NETERR = -12,
  LWPA_CONNRESET = -13,
  LWPA_CONNCLOSED = -14,
  LWPA_ISCONN = -15,
  LWPA_NOTCONN = -16,
  LWPA_SHUTDOWN = -17,
  LWPA_TIMEDOUT = -18,
  LWPA_CONNREFUSED = -19,
  LWPA_ALREADY = -20,
  LWPA_INPROGRESS = -21,
  LWPA_BUFSIZE = -22,
  LWPA_NOTINIT = -23,
  LWPA_NOIFACES = -24,
  LWPA_NOTIMPL = -25,
  LWPA_SYSERR = -26,
} lwpa_error_t;
 
#define LWPA_NUM_ERROR_CODES 27
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern const char *lwpa_error_strings[LWPA_NUM_ERROR_CODES];
 
#define lwpa_strerror(errcode) \
  (((int)errcode <= 0 && (int)errcode > -LWPA_NUM_ERROR_CODES) ? lwpa_error_strings[-((int)errcode)] : NULL)
 
#ifdef __cplusplus
}
#endif
 
#endif /* _LWPA_ERROR_H_ */