/* Copyright (C) 2010-2013 by Daniel Stenberg

 *

 * Permission to use, copy, modify, and distribute this

 * software and its documentation for any purpose and without

 * fee is hereby granted, provided that the above copyright

 * notice appear in all copies and that both that copyright

 * notice and this permission notice appear in supporting

 * documentation, and that the name of M.I.T. not be used in

 * advertising or publicity pertaining to distribution of the

 * software without specific, written prior permission.

 * M.I.T. makes no representations about the suitability of

 * this software for any purpose.  It is provided "as is"

 * without express or implied warranty.

 */

#include "ares_setup.h"

#ifdef HAVE_ASSERT_H

#  include <assert.h>

#endif

#ifdef HAVE_LIMITS_H

#include <limits.h>

#endif

#if defined(__INTEL_COMPILER) && defined(__unix__)

#ifdef HAVE_NETINET_IN_H

#  include <netinet/in.h>

#endif

#ifdef HAVE_ARPA_INET_H

#  include <arpa/inet.h>

#endif

#endif /* __INTEL_COMPILER && __unix__ */

#define BUILDING_ARES_NOWARN_C 1

#include "ares_nowarn.h"

#ifndef HAVE_LIMITS_H

/* systems without <limits.h> we guess have 16 bit shorts, 32bit ints and

   32bit longs */

#  define CARES_MASK_SSHORT  0x7FFF

#  define CARES_MASK_USHORT  0xFFFF

#  define CARES_MASK_SINT    0x7FFFFFFF

#  define CARES_MASK_UINT    0xFFFFFFFF

#  define CARES_MASK_SLONG   0x7FFFFFFFL

#  define CARES_MASK_ULONG   0xFFFFFFFFUL

#else

#  define CARES_MASK_SSHORT  SHRT_MAX

#  define CARES_MASK_USHORT  USHRT_MAX

#  define CARES_MASK_SINT    INT_MAX

#  define CARES_MASK_UINT    UINT_MAX

#  define CARES_MASK_SLONG   LONG_MAX

#  define CARES_MASK_ULONG   ULONG_MAX

#endif

/*

** unsigned size_t to signed long

*/

long aresx_uztosl(size_t uznum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  return (long)(uznum & (size_t) CARES_MASK_SLONG);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** unsigned size_t to signed int

*/

int aresx_uztosi(size_t uznum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  return (int)(uznum & (size_t) CARES_MASK_SINT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** unsigned size_t to signed short

*/

short aresx_uztoss(size_t uznum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  return (short)(uznum & (size_t) CARES_MASK_SSHORT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** signed int to signed short

*/

short aresx_sitoss(int sinum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  DEBUGASSERT(sinum >= 0);

  return (short)(sinum & (int) CARES_MASK_SSHORT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** signed long to signed int

*/

int aresx_sltosi(long slnum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  DEBUGASSERT(slnum >= 0);

  return (int)(slnum & (long) CARES_MASK_SINT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** signed ares_ssize_t to signed int

*/

int aresx_sztosi(ares_ssize_t sznum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  DEBUGASSERT(sznum >= 0);

  return (int)(sznum & (ares_ssize_t) CARES_MASK_SINT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** signed ares_ssize_t to unsigned int

*/

unsigned int aresx_sztoui(ares_ssize_t sznum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  DEBUGASSERT(sznum >= 0);

  return (unsigned int)(sznum & (ares_ssize_t) CARES_MASK_UINT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

/*

** signed int to unsigned short

*/

unsigned short aresx_sitous(int sinum)

{

#ifdef __INTEL_COMPILER

#  pragma warning(push)

#  pragma warning(disable:810) /* conversion may lose significant bits */

#endif

  DEBUGASSERT(sinum >= 0);

  return (unsigned short)(sinum & (int) CARES_MASK_USHORT);

#ifdef __INTEL_COMPILER

#  pragma warning(pop)

#endif

}

#if defined(__INTEL_COMPILER) && defined(__unix__)

int aresx_FD_ISSET(int fd, fd_set *fdset)

{

  #pragma warning(push)

  #pragma warning(disable:1469) /* clobber ignored */

  return FD_ISSET(fd, fdset);

  #pragma warning(pop)

}

void aresx_FD_SET(int fd, fd_set *fdset)

{

  #pragma warning(push)

  #pragma warning(disable:1469) /* clobber ignored */

  FD_SET(fd, fdset);

  #pragma warning(pop)

}

void aresx_FD_ZERO(fd_set *fdset)

{

  #pragma warning(push)

  #pragma warning(disable:593) /* variable was set but never used */

  FD_ZERO(fdset);

  #pragma warning(pop)

}

unsigned short aresx_htons(unsigned short usnum)

{

#if (__INTEL_COMPILER == 910) && defined(__i386__)

  return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));

#else

  #pragma warning(push)

  #pragma warning(disable:810) /* conversion may lose significant bits */

  return htons(usnum);

  #pragma warning(pop)

#endif

}

unsigned short aresx_ntohs(unsigned short usnum)

{

#if (__INTEL_COMPILER == 910) && defined(__i386__)

  return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));

#else

  #pragma warning(push)

  #pragma warning(disable:810) /* conversion may lose significant bits */

  return ntohs(usnum);

  #pragma warning(pop)

#endif

}

#endif /* __INTEL_COMPILER && __unix__ */