261 lines
5.5 KiB
C
261 lines
5.5 KiB
C
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/* Copyright (C) 2010-2013 by Daniel Stenberg
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting
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* documentation, and that the name of M.I.T. not be used in
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* advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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* M.I.T. makes no representations about the suitability of
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* this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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#include "ares_setup.h"
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#ifdef HAVE_ASSERT_H
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# include <assert.h>
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#if defined(__INTEL_COMPILER) && defined(__unix__)
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h>
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#endif
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#endif /* __INTEL_COMPILER && __unix__ */
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#define BUILDING_ARES_NOWARN_C 1
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#include "ares_nowarn.h"
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#ifndef HAVE_LIMITS_H
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/* systems without <limits.h> we guess have 16 bit shorts, 32bit ints and
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32bit longs */
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# define CARES_MASK_SSHORT 0x7FFF
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# define CARES_MASK_USHORT 0xFFFF
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# define CARES_MASK_SINT 0x7FFFFFFF
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# define CARES_MASK_UINT 0xFFFFFFFF
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# define CARES_MASK_SLONG 0x7FFFFFFFL
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# define CARES_MASK_ULONG 0xFFFFFFFFUL
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#else
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# define CARES_MASK_SSHORT SHRT_MAX
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# define CARES_MASK_USHORT USHRT_MAX
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# define CARES_MASK_SINT INT_MAX
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# define CARES_MASK_UINT UINT_MAX
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# define CARES_MASK_SLONG LONG_MAX
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# define CARES_MASK_ULONG ULONG_MAX
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#endif
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/*
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** unsigned size_t to signed long
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*/
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long aresx_uztosl(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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return (long)(uznum & (size_t) CARES_MASK_SLONG);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to signed int
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*/
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int aresx_uztosi(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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return (int)(uznum & (size_t) CARES_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** unsigned size_t to signed short
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*/
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short aresx_uztoss(size_t uznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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return (short)(uznum & (size_t) CARES_MASK_SSHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed int to signed short
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*/
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short aresx_sitoss(int sinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sinum >= 0);
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return (short)(sinum & (int) CARES_MASK_SSHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed long to signed int
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*/
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int aresx_sltosi(long slnum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(slnum >= 0);
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return (int)(slnum & (long) CARES_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed ssize_t to signed int
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*/
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int aresx_sztosi(ssize_t sznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sznum >= 0);
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return (int)(sznum & (ssize_t) CARES_MASK_SINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed ssize_t to unsigned int
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*/
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unsigned int aresx_sztoui(ssize_t sznum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sznum >= 0);
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return (unsigned int)(sznum & (ssize_t) CARES_MASK_UINT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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/*
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** signed int to unsigned short
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*/
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unsigned short aresx_sitous(int sinum)
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{
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#ifdef __INTEL_COMPILER
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# pragma warning(push)
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# pragma warning(disable:810) /* conversion may lose significant bits */
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#endif
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DEBUGASSERT(sinum >= 0);
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return (unsigned short)(sinum & (int) CARES_MASK_USHORT);
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#ifdef __INTEL_COMPILER
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# pragma warning(pop)
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#endif
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}
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#if defined(__INTEL_COMPILER) && defined(__unix__)
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int aresx_FD_ISSET(int fd, fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:1469) /* clobber ignored */
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return FD_ISSET(fd, fdset);
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#pragma warning(pop)
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}
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void aresx_FD_SET(int fd, fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:1469) /* clobber ignored */
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FD_SET(fd, fdset);
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#pragma warning(pop)
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}
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void aresx_FD_ZERO(fd_set *fdset)
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{
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#pragma warning(push)
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#pragma warning(disable:593) /* variable was set but never used */
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FD_ZERO(fdset);
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#pragma warning(pop)
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}
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unsigned short aresx_htons(unsigned short usnum)
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{
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#if (__INTEL_COMPILER == 910) && defined(__i386__)
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return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
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#else
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#pragma warning(push)
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#pragma warning(disable:810) /* conversion may lose significant bits */
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return htons(usnum);
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#pragma warning(pop)
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#endif
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}
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unsigned short aresx_ntohs(unsigned short usnum)
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{
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#if (__INTEL_COMPILER == 910) && defined(__i386__)
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return (unsigned short)(((usnum << 8) & 0xFF00) | ((usnum >> 8) & 0x00FF));
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#else
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#pragma warning(push)
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#pragma warning(disable:810) /* conversion may lose significant bits */
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return ntohs(usnum);
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#pragma warning(pop)
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#endif
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}
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#endif /* __INTEL_COMPILER && __unix__ */
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