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/*
* Copyright (c) 2007-2009, OmniTI Computer Consulting, Inc.
* 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.
* * Neither the name OmniTI Computer Consulting, Inc. nor the names
* of its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* 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 _NOIT_DEFINES_H
#define _NOIT_DEFINES_H

#include "noit_config.h"

#ifndef __FUNCTION__
#define __FUNCTION__ __func__
#endif

#define API_EXPORT(type) extern type

static inline int compare_timeval(struct timeval a, struct timeval b) {
  if (a.tv_sec < b.tv_sec) return -1;
  if (a.tv_sec > b.tv_sec) return 1;
  if (a.tv_usec < b.tv_usec) return -1;
  if (a.tv_usec > b.tv_usec) return 1;
  return 0;
}

static inline void sub_timeval(struct timeval a, struct timeval b,
                               struct timeval *out)
{
  out->tv_usec = a.tv_usec - b.tv_usec;
  if (out->tv_usec < 0L) {
    a.tv_sec--;
    out->tv_usec += 1000000L;
  }
  out->tv_sec = a.tv_sec - b.tv_sec;
  if (out->tv_sec < 0L) {
    out->tv_sec++;
    out->tv_usec -= 1000000L;
  }
}

static inline double sub_timeval_d(struct timeval a, struct timeval b)
{
  struct timeval d;
  sub_timeval(a,b,&d);
  return (double)d.tv_sec + (double)d.tv_usec / 1000000.0;
}

static inline void add_timeval(struct timeval a, struct timeval b,
                               struct timeval *out)
{
  out->tv_usec = a.tv_usec + b.tv_usec;
  if (out->tv_usec > 1000000L) {
    a.tv_sec++;
    out->tv_usec -= 1000000L;
  }
  out->tv_sec = a.tv_sec + b.tv_sec;
}

#undef UUID_STR_LEN
#define UUID_STR_LEN 36
#ifndef HAVE_UUID_UNPARSE_LOWER
/* Sigh, need to implement out own */
#include <uuid/uuid.h>
#include <ctype.h>
static inline void uuid_unparse_lower(uuid_t in, char *out) {
  int i;
  uuid_unparse(in, out);
  for(i=0;i<36;i++) out[i] = tolower(out[i]);
}
#endif

#ifdef HAVE_TERMIO_H
#define USE_TERMIO
#endif

#ifndef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#endif
#ifndef MAX
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#endif
#ifndef SUN_LEN
#define SUN_LEN(ptr) (sizeof(*(ptr)) - sizeof((ptr)->sun_path) + strlen((ptr)->sun_path))
#endif

/* This is for udns */
#ifdef HAVE_INET_PTON
#ifdef HAVE_INET_NTOP
#define HAVE_INET_PTON_NTOP 1
#endif
#endif
/* udns checks for IPv6, noit doesn't work without it */
#define HAVE_IPv6

#if defined(__sun) && !defined(HAVE_POSIX_READDIR_R)
#define portable_readdir_r(a,b,c) (((*(c)) = readdir_r(a,b)) == NULL)
#else
#define portable_readdir_r readdir_r
#endif
#include "noitedit/strlcpy.h"

#define UUID_REGEX "[0-9a-fA-F]{4}(?:[0-9a-fA-F]{4}-){4}[0-9a-fA-F]{12}"
#include <uuid/uuid.h>
struct uuid_dummy { uuid_t foo; };
#define UUID_SIZE sizeof(struct uuid_dummy)

#endif
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