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libcares/ares_nowarn.c  view on Meta::CPAN

/* 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)