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286 lines
6.3 KiB
286 lines
6.3 KiB
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/* Copyright (C) 2010-2012 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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#if defined(__INTEL_COMPILER) && defined(__unix__) |
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#ifdef HAVE_SYS_SOCKET_H |
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# include <sys/socket.h> |
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#endif |
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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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#if (SIZEOF_SHORT == 2) |
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# define CARES_MASK_SSHORT 0x7FFF |
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# define CARES_MASK_USHORT 0xFFFF |
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#elif (SIZEOF_SHORT == 4) |
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# define CARES_MASK_SSHORT 0x7FFFFFFF |
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# define CARES_MASK_USHORT 0xFFFFFFFF |
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#elif (SIZEOF_SHORT == 8) |
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# define CARES_MASK_SSHORT 0x7FFFFFFFFFFFFFFF |
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# define CARES_MASK_USHORT 0xFFFFFFFFFFFFFFFF |
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#else |
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# error "SIZEOF_SHORT not defined" |
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#endif |
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#if (SIZEOF_INT == 2) |
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# define CARES_MASK_SINT 0x7FFF |
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# define CARES_MASK_UINT 0xFFFF |
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#elif (SIZEOF_INT == 4) |
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# define CARES_MASK_SINT 0x7FFFFFFF |
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# define CARES_MASK_UINT 0xFFFFFFFF |
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#elif (SIZEOF_INT == 8) |
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# define CARES_MASK_SINT 0x7FFFFFFFFFFFFFFF |
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# define CARES_MASK_UINT 0xFFFFFFFFFFFFFFFF |
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#elif (SIZEOF_INT == 16) |
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# define CARES_MASK_SINT 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF |
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# define CARES_MASK_UINT 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF |
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#else |
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# error "SIZEOF_INT not defined" |
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#endif |
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#if (CARES_SIZEOF_LONG == 2) |
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# define CARES_MASK_SLONG 0x7FFFL |
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# define CARES_MASK_ULONG 0xFFFFUL |
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#elif (CARES_SIZEOF_LONG == 4) |
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# define CARES_MASK_SLONG 0x7FFFFFFFL |
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# define CARES_MASK_ULONG 0xFFFFFFFFUL |
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#elif (CARES_SIZEOF_LONG == 8) |
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# define CARES_MASK_SLONG 0x7FFFFFFFFFFFFFFFL |
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# define CARES_MASK_ULONG 0xFFFFFFFFFFFFFFFFUL |
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#elif (CARES_SIZEOF_LONG == 16) |
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# define CARES_MASK_SLONG 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL |
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# define CARES_MASK_ULONG 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL |
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#else |
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# error "CARES_SIZEOF_LONG not defined" |
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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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