| |
| /* Copyright (C) 2010-2011 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_SYS_SOCKET_H |
| # include <sys/socket.h> |
| #endif |
| #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" |
| |
| #if (SIZEOF_INT == 2) |
| # define CARES_MASK_SINT 0x7FFF |
| # define CARES_MASK_UINT 0xFFFF |
| #elif (SIZEOF_INT == 4) |
| # define CARES_MASK_SINT 0x7FFFFFFF |
| # define CARES_MASK_UINT 0xFFFFFFFF |
| #elif (SIZEOF_INT == 8) |
| # define CARES_MASK_SINT 0x7FFFFFFFFFFFFFFF |
| # define CARES_MASK_UINT 0xFFFFFFFFFFFFFFFF |
| #elif (SIZEOF_INT == 16) |
| # define CARES_MASK_SINT 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF |
| # define CARES_MASK_UINT 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF |
| #elif defined(HAVE_LIMITS_H) |
| # define CARES_MASK_SINT INT_MAX |
| # define CARES_MASK_UINT UINT_MAX |
| #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 |
| } |
| |
| /* |
| ** 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 ssize_t to signed int |
| */ |
| |
| int aresx_sztosi(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 & (ssize_t) CARES_MASK_SINT); |
| |
| #ifdef __INTEL_COMPILER |
| # pragma warning(pop) |
| #endif |
| } |
| |
| /* |
| ** signed ssize_t to unsigned int |
| */ |
| |
| unsigned int aresx_sztoui(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 & (ssize_t) CARES_MASK_UINT); |
| |
| #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__ */ |