compiler warning: fix

Fix compiler warning: conversion may lose significant bits

ares_getnameinfo.c

@@ -58,6 +58,7 @@
 #include "ares.h"
 #include "ares_ipv6.h"
 #include "inet_ntop.h"
+#include "ares_nowarn.h"
 #include "ares_private.h"
 
 struct nameinfo_query {

ares_nowarn.c

@@ -1,5 +1,5 @@
 
-/* Copyright (C) 2010 by Daniel Stenberg
+/* Copyright (C) 2010-2011 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -140,4 +140,20 @@ void aresx_FD_ZERO(fd_set *fdset)
   #pragma warning(pop)
 }
 
+unsigned short aresx_htons(unsigned short usnum)
+{
+  #pragma warning(push)
+  #pragma warning(disable:810) /* conversion may lose significant bits */
+  return htons(usnum);
+  #pragma warning(pop)
+}
+
+unsigned short aresx_ntohs(unsigned short usnum)
+{
+  #pragma warning(push)
+  #pragma warning(disable:810) /* conversion may lose significant bits */
+  return ntohs(usnum);
+  #pragma warning(pop)
+}
+
 #endif /* __INTEL_COMPILER && __unix__ */

ares_nowarn.h

@@ -33,6 +33,10 @@ void aresx_FD_SET(int fd, fd_set *fdset);
 
 void aresx_FD_ZERO(fd_set *fdset);
 
+unsigned short aresx_htons(unsigned short usnum);
+
+unsigned short aresx_ntohs(unsigned short usnum);
+
 #ifndef BUILDING_ARES_NOWARN_C
 #  undef  FD_ISSET
 #  define FD_ISSET(a,b) aresx_FD_ISSET((a),(b))
@@ -40,6 +44,10 @@ void aresx_FD_ZERO(fd_set *fdset);
 #  define FD_SET(a,b)   aresx_FD_SET((a),(b))
 #  undef  FD_ZERO
 #  define FD_ZERO(a)    aresx_FD_ZERO((a))
+#  undef  htons
+#  define htons(a)      aresx_htons((a))
+#  undef  ntohs
+#  define ntohs(a)      aresx_ntohs((a))
 #endif
 
 #endif /* __INTEL_COMPILER && __unix__ */

ares_platform.c

@@ -20,6 +20,7 @@
 
 #include "ares.h"
 #include "ares_platform.h"
+#include "ares_nowarn.h"
 #include "ares_private.h"
 
 #if defined(WIN32) && !defined(MSDOS)