/****************************************************************************
 * apps/wireless/wapi/src/util.h
 *
 *   Copyright (C) 2011, 2017Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Adapted for NuttX from WAPI:
 *
 *   Copyright (c) 2010, Volkan YAZICI <volkan.yazici@gmail.com>
 *   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  - Redistributions of  source code must  retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of  conditions and the  following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

#ifndef __APPS_WIRELESS_WAPI_SRC_UTIL_H
#define __APPS_WIRELESS_WAPI_SRC_UTIL_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <string.h>
#include <errno.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#ifdef DEBUG_WIRELESS_ERROR
#  ifdef CONFIG_LIBC_STRERROR
#    define WAPI_IOCTL_STRERROR(cmd,errcode) \
      fprintf( \
        stderr, "%s:%d:%s():ioctl(%s): %s\n", \
        __FILE__, __LINE__, __func__, \
        wapi_ioctl_command_name(cmd), strerror(errcode))

#    define WAPI_STRERROR(fmt, ...) \
      fprintf( \
          stderr, "%s:%d:%s():" fmt ": %s\n", \
        __FILE__, __LINE__, __func__, \
        ## __VA_ARGS__, strerror(errno))
#  else
#    define WAPI_IOCTL_STRERROR(cmd,errcode) \
      fprintf( \
        stderr, "%s:%d:%s():ioctl(%s): %d\n", \
        __FILE__, __LINE__, __func__, \
        wapi_ioctl_command_name(cmd), errcode)

#    define WAPI_STRERROR(fmt, ...) \
      fprintf( \
          stderr, "%s:%d:%s():" fmt ": %d\n", \
        __FILE__, __LINE__, __func__, \
        ## __VA_ARGS__, errno)
#  endif

#  define WAPI_ERROR(fmt, ...) \
    fprintf( \
      stderr, "%s:%d:%s(): " fmt , \
      __FILE__, __LINE__, __func__, ## __VA_ARGS__)

#else
#  ifdef CONFIG_LIBC_STRERROR
#    define WAPI_IOCTL_STRERROR(cmd,errcode) \
      fprintf( \
        stderr, "ioctl(%s): %s\n", \
        wapi_ioctl_command_name(cmd), strerror(errcode))

#    define WAPI_STRERROR(fmt, ...) \
      fprintf( \
        stderr, fmt ": %s\n", \
        ## __VA_ARGS__, strerror(errno))
#  else
#    define WAPI_IOCTL_STRERROR(cmd,errcode) \
      fprintf( \
        stderr, "ioctl(%s): %d\n", \
        wapi_ioctl_command_name(cmd), errcode)

#    define WAPI_STRERROR(fmt, ...) \
      fprintf( \
        stderr, fmt ": %d\n", \
        ## __VA_ARGS__, errno)
#  endif

#  define WAPI_ERROR(fmt, ...) \
    fprintf( \
      stderr, fmt , \
      ## __VA_ARGS__)

#endif

#define WAPI_VALIDATE_PTR(ptr) \
  if (ptr == NULL) \
    { \
      WAPI_ERROR("Null pointer: %p\n", ptr); \
      return -EINVAL; \
    }

/****************************************************************************
 *  Public Function Prototypes
 ****************************************************************************/

FAR const char *wapi_ioctl_command_name(int cmd);

#endif /* __APPS_WIRELESS_WAPI_SRC_UTIL_H */