upgrade c-ares to 1.7.5

c-ares/ares.h

 
 /* Copyright 1998, 2009 by the Massachusetts Institute of Technology.
- * Copyright (C) 2007-2010 by Daniel Stenberg
+ * Copyright (C) 2007-2011 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -48,6 +48,12 @@
 #  include <netinet/in.h>
 #  include <sys/socket.h>
 #  include <tcp.h>
+#elif defined(_WIN32_WCE)
+#  ifndef WIN32_LEAN_AND_MEAN
+#    define WIN32_LEAN_AND_MEAN
+#  endif
+#  include <windows.h>
+#  include <winsock.h>
 #elif defined(WIN32)
 #  ifndef WIN32_LEAN_AND_MEAN
 #    define WIN32_LEAN_AND_MEAN

c-ares/ares_config.h.in

@@ -102,6 +102,9 @@
 /* Define to 1 if the getaddrinfo function is threadsafe. */
 #undef HAVE_GETADDRINFO_THREADSAFE
 
+/* Define to 1 if you have the getenv function. */
+#undef HAVE_GETENV
+
 /* Define to 1 if you have the gethostbyaddr function. */
 #undef HAVE_GETHOSTBYADDR
 
@@ -123,12 +126,9 @@
 /* Define to 1 if you have the `if_indextoname' function. */
 #undef HAVE_IF_INDEXTONAME
 
-/* Define to 1 if you have the `inet_net_pton' function. */
+/* Define to 1 if you have a IPv6 capable working inet_net_pton function. */
 #undef HAVE_INET_NET_PTON
 
-/* Define to 1 if inet_net_pton supports IPv6. */
-#undef HAVE_INET_NET_PTON_IPV6
-
 /* Define to 1 if you have a IPv6 capable working inet_ntop function. */
 #undef HAVE_INET_NTOP
 
@@ -377,6 +377,9 @@
 /* a suitable file/device to read random data from */
 #undef RANDOM_FILE
 
+/* Define to the type qualifier pointed by arg 5 for recvfrom. */
+#undef RECVFROM_QUAL_ARG5
+
 /* Define to the type of arg 1 for recvfrom. */
 #undef RECVFROM_TYPE_ARG1
 

c-ares/ares_data.h

-#ifndef ARES_DATA_H
-#define ARES_DATA_H
 
 /* Copyright (C) 2009-2010 by Daniel Stenberg
  *
@@ -65,5 +63,3 @@ struct ares_data {
 void *ares_malloc_data(ares_datatype type);
 
 ares_datatype ares_get_datatype(void * dataptr);
-
-#endif

c-ares/ares_expand_name.c

@@ -87,7 +87,14 @@ int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf,
      * Since this function strips trailing dots though, it becomes ""
      */
     q[0] = '\0';
-    *enclen = 1;  /* the caller should move one byte to get past this */
+
+    /* indirect root label (like 0xc0 0x0c) is 2 bytes long (stupid, but
+       valid) */
+    if ((*encoded & INDIR_MASK) == INDIR_MASK)
+      *enclen = 2;
+    else
+      *enclen = 1;  /* the caller should move one byte to get past this */
+
     return ARES_SUCCESS;
   }
 

c-ares/ares_free_hostent.c

@@ -28,6 +28,9 @@ void ares_free_hostent(struct hostent *host)
 {
   char **p;
 
+  if (!host)
+    return;
+
   free((char *)(host->h_name));
   for (p = host->h_aliases; *p; p++)
     free(*p);

c-ares/ares_getenv.h

+#ifndef HEADER_CARES_GETENV_H
+#define HEADER_CARES_GETENV_H
+
+
+/* Copyright 1998 by the Massachusetts Institute of Technology.
+ *
+ * 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"
+
+#ifndef HAVE_GETENV
+extern char *ares_getenv(const char *name);
+#endif
+
+#endif /* HEADER_CARES_GETENV_H */

c-ares/ares_gethostbyaddr.c

@@ -42,6 +42,7 @@
 
 #include "ares.h"
 #include "inet_net_pton.h"
+#include "ares_platform.h"
 #include "ares_private.h"
 
 #ifdef WATT32
@@ -59,12 +60,12 @@ struct addr_query {
   int timeouts;
 };
 
-static void gethostbyaddr_next_lookup(struct addr_query *aquery);
+static void next_lookup(struct addr_query *aquery);
 static void addr_callback(void *arg, int status, int timeouts,
                           unsigned char *abuf, int alen);
 static void end_aquery(struct addr_query *aquery, int status,
                        struct hostent *host);
-static int gethostbyaddr_file_lookup(struct ares_addr *addr, struct hostent **host);
+static int file_lookup(struct ares_addr *addr, struct hostent **host);
 static void ptr_rr_name(char *name, const struct ares_addr *addr);
 
 void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
@@ -102,10 +103,10 @@ void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
   aquery->remaining_lookups = channel->lookups;
   aquery->timeouts = 0;
 
-  gethostbyaddr_next_lookup(aquery);
+  next_lookup(aquery);
 }
 
-static void gethostbyaddr_next_lookup(struct addr_query *aquery)
+static void next_lookup(struct addr_query *aquery)
 {
   const char *p;
   char name[128];
@@ -123,7 +124,7 @@ static void gethostbyaddr_next_lookup(struct addr_query *aquery)
                      aquery);
           return;
         case 'f':
-          status = gethostbyaddr_file_lookup(&aquery->addr, &host);
+          status = file_lookup(&aquery->addr, &host);
 
           /* this status check below previously checked for !ARES_ENOTFOUND,
              but we should not assume that this single error code is the one
@@ -166,7 +167,7 @@ static void addr_callback(void *arg, int status, int timeouts,
   else if (status == ARES_EDESTRUCTION)
     end_aquery(aquery, status, NULL);
   else
-    gethostbyaddr_next_lookup(aquery);
+    next_lookup(aquery);
 }
 
 static void end_aquery(struct addr_query *aquery, int status,
@@ -178,7 +179,7 @@ static void end_aquery(struct addr_query *aquery, int status,
   free(aquery);
 }
 
-static int gethostbyaddr_file_lookup(struct ares_addr *addr, struct hostent **host)
+static int file_lookup(struct ares_addr *addr, struct hostent **host)
 {
   FILE *fp;
   int status;
@@ -186,7 +187,13 @@ static int gethostbyaddr_file_lookup(struct ares_addr *addr, struct hostent **ho
 
 #ifdef WIN32
   char PATH_HOSTS[MAX_PATH];
-  if (IS_NT()) {
+  win_platform platform;
+
+  PATH_HOSTS[0] = '\0';
+
+  platform = ares__getplatform();
+
+  if (platform == WIN_NT) {
     char tmp[MAX_PATH];
     HKEY hkeyHosts;
 
@@ -200,8 +207,10 @@ static int gethostbyaddr_file_lookup(struct ares_addr *addr, struct hostent **ho
       RegCloseKey(hkeyHosts);
     }
   }
-  else
+  else if (platform == WIN_9X)
     GetWindowsDirectory(PATH_HOSTS, MAX_PATH);
+  else
+    return ARES_ENOTFOUND;
 
   strcat(PATH_HOSTS, WIN_PATH_HOSTS);
 

c-ares/ares_gethostbyname.c

@@ -48,6 +48,7 @@
 #include "ares.h"
 #include "inet_net_pton.h"
 #include "bitncmp.h"
+#include "ares_platform.h"
 #include "ares_private.h"
 
 #ifdef WATT32
@@ -193,11 +194,11 @@ static void host_callback(void *arg, int status, int timeouts,
       else if (hquery->sent_family == AF_INET6)
         {
           status = ares_parse_aaaa_reply(abuf, alen, &host, NULL, NULL);
-          if (hquery->want_family == AF_UNSPEC && (status == ARES_ENODATA || status == ARES_EBADRESP)) {
+          if ((status == ARES_ENODATA || status == ARES_EBADRESP) &&
+               hquery->want_family == AF_UNSPEC) {
             /* The query returned something but either there were no AAAA
                records (e.g. just CNAME) or the response was malformed.  Try
-               looking up A instead.  We should possibly limit this
-               attempt-next logic to AF_UNSPEC lookups only. */
+               looking up A instead. */
             hquery->sent_family = AF_INET;
             ares_search(hquery->channel, hquery->name, C_IN, T_A,
                         host_callback, hquery);
@@ -209,11 +210,10 @@ static void host_callback(void *arg, int status, int timeouts,
       end_hquery(hquery, status, host);
     }
   else if ((status == ARES_ENODATA || status == ARES_EBADRESP ||
-            status == ARES_ETIMEOUT) && hquery->sent_family == AF_INET6 && hquery->want_family == AF_UNSPEC)
+            status == ARES_ETIMEOUT) && (hquery->sent_family == AF_INET6 &&
+            hquery->want_family == AF_UNSPEC))
     {
-      /* The AAAA query yielded no useful result.  Now look up an A instead.
-         We should possibly limit this attempt-next logic to AF_UNSPEC lookups
-         only. */
+      /* The AAAA query yielded no useful result.  Now look up an A instead. */
       hquery->sent_family = AF_INET;
       ares_search(hquery->channel, hquery->name, C_IN, T_A, host_callback,
                   hquery);
@@ -344,7 +344,13 @@ static int file_lookup(const char *name, int family, struct hostent **host)
 
 #ifdef WIN32
   char PATH_HOSTS[MAX_PATH];
-  if (IS_NT()) {
+  win_platform platform;
+
+  PATH_HOSTS[0] = '\0';
+
+  platform = ares__getplatform();
+
+  if (platform == WIN_NT) {
     char tmp[MAX_PATH];
     HKEY hkeyHosts;
 
@@ -358,8 +364,10 @@ static int file_lookup(const char *name, int family, struct hostent **host)
       RegCloseKey(hkeyHosts);
     }
   }
-  else
+  else if (platform == WIN_9X)
     GetWindowsDirectory(PATH_HOSTS, MAX_PATH);
+  else
+    return ARES_ENOTFOUND;
 
   strcat(PATH_HOSTS, WIN_PATH_HOSTS);
 

c-ares/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 {
@@ -187,7 +188,7 @@ void ares_getnameinfo(ares_channel channel, const struct sockaddr *sa,
         if (sa->sa_family == AF_INET)
           {
             niquery->family = AF_INET;
-            memcpy(&niquery->addr.addr4, addr, sizeof(struct sockaddr_in));
+            memcpy(&niquery->addr.addr4, addr, sizeof(struct in_addr));
             ares_gethostbyaddr(channel, &addr->sin_addr,
                                sizeof(struct in_addr), AF_INET,
                                nameinfo_callback, niquery);
@@ -195,7 +196,7 @@ void ares_getnameinfo(ares_channel channel, const struct sockaddr *sa,
         else
           {
             niquery->family = AF_INET6;
-            memcpy(&niquery->addr.addr6, addr6, sizeof(struct sockaddr_in6));
+            memcpy(&niquery->addr.addr6, addr6, sizeof(struct ares_in6_addr));
             ares_gethostbyaddr(channel, &addr6->sin6_addr,
                                sizeof(struct ares_in6_addr), AF_INET6,
                                nameinfo_callback, niquery);

c-ares/ares_library_init.c

@@ -26,6 +26,7 @@
 #ifdef USE_WINSOCK
 fpGetNetworkParams_t ares_fpGetNetworkParams = ZERO_NULL;
 fpSystemFunction036_t ares_fpSystemFunction036 = ZERO_NULL;
+fpGetAdaptersAddresses_t ares_fpGetAdaptersAddresses = ZERO_NULL;
 #endif
 
 /* library-private global vars with source visibility restricted to this file */
@@ -56,6 +57,15 @@ static int ares_win32_init(void)
       return ARES_EADDRGETNETWORKPARAMS;
     }
 
+  ares_fpGetAdaptersAddresses = (fpGetAdaptersAddresses_t)
+    GetProcAddress(hnd_iphlpapi, "GetAdaptersAddresses");
+  if (!ares_fpGetAdaptersAddresses)
+    {
+      /* This can happen on clients before WinXP, I don't
+         think it should be an error, unless we don't want to
+         support Windows 2000 anymore */
+    }
+
   /*
    * When advapi32.dll is unavailable or advapi32.dll has no SystemFunction036,
    * also known as RtlGenRandom, which is the case for Windows versions prior

c-ares/ares_library_init.h

@@ -3,7 +3,7 @@
 
 
 /* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2004-2009 by Daniel Stenberg
+ * Copyright (C) 2004-2011 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -23,15 +23,18 @@
 #ifdef USE_WINSOCK
 
 #include <iphlpapi.h>
+#include <ares_iphlpapi.h>
 
 typedef DWORD (WINAPI *fpGetNetworkParams_t) (FIXED_INFO*, DWORD*);
 typedef BOOLEAN (APIENTRY *fpSystemFunction036_t) (void*, ULONG);
+typedef ULONG (WINAPI *fpGetAdaptersAddresses_t) ( ULONG, ULONG, void*, IP_ADAPTER_ADDRESSES*, ULONG* );
 
 /* Forward-declaration of variables defined in ares_library_init.c */
 /* that are global and unique instances for whole c-ares library.  */
 
 extern fpGetNetworkParams_t ares_fpGetNetworkParams;
 extern fpSystemFunction036_t ares_fpSystemFunction036;
+extern fpGetAdaptersAddresses_t ares_fpGetAdaptersAddresses;
 
 #endif /* USE_WINSOCK */
 

c-ares/ares_nowarn.c

 
-/* 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
@@ -17,6 +17,26 @@
 
 #include "ares_setup.h"
 
+#ifdef HAVE_ASSERT_H
+#  include <assert.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)
@@ -34,7 +54,7 @@
 #endif
 
 /*
-** size_t to signed int
+** unsigned size_t to signed int
 */
 
 int aresx_uztosi(size_t uznum)
@@ -62,9 +82,100 @@ int aresx_sltosi(long slnum)
 #  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__ */

c-ares/ares_nowarn.h

@@ -2,7 +2,7 @@
 #define HEADER_CARES_NOWARN_H
 
 
-/* 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
@@ -21,4 +21,35 @@ int aresx_uztosi(size_t uznum);
 
 int aresx_sltosi(long slnum);
 
+int aresx_sztosi(ssize_t sznum);
+
+unsigned int aresx_sztoui(ssize_t sznum);
+
+#if defined(__INTEL_COMPILER) && defined(__unix__)
+
+int aresx_FD_ISSET(int fd, fd_set *fdset);
+
+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))
+#  undef  FD_SET
+#  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__ */
+
 #endif /* HEADER_CARES_NOWARN_H */

c-ares/ares_options.c

 
 /* Copyright 1998 by the Massachusetts Institute of Technology.
- * Copyright (C) 2008-2010 by Daniel Stenberg
+ * Copyright (C) 2008-2011 by Daniel Stenberg
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -135,12 +135,10 @@ int ares_set_servers(ares_channel channel,
 int ares_set_servers_csv(ares_channel channel,
                          const char* _csv)
 {
-  int i;
+  size_t i;
   char* csv = NULL;
   char* ptr;
   char* start_host;
-  long port;
-  bool found_port;
   int rv = ARES_SUCCESS;
   struct ares_addr_node *servers = NULL;
   struct ares_addr_node *last = NULL;
@@ -165,7 +163,6 @@ int ares_set_servers_csv(ares_channel channel,
   }
 
   start_host = csv;
-  found_port = false;
   for (ptr = csv; *ptr; ptr++) {
     if (*ptr == ',') {
       char* pp = ptr - 1;
@@ -186,9 +183,8 @@ int ares_set_servers_csv(ares_channel channel,
         pp--;
       }
       if ((pp != start_host) && ((pp + 1) < ptr)) {
-        /* Found it. */
-        found_port = true;
-        port = strtol(pp + 1, NULL, 10);
+        /* Found it. Parse over the port number */
+        (void)strtol(pp + 1, NULL, 10);
         *pp = 0; /* null terminate host */
       }
       /* resolve host, try ipv4 first, rslt is in network byte order */
@@ -233,7 +229,6 @@ int ares_set_servers_csv(ares_channel channel,
       }
 
       /* Set up for next one */
-      found_port = false;
       start_host = ptr + 1;
     }
   }

c-ares/ares_parse_a_reply.c

@@ -132,6 +132,7 @@ int ares_parse_a_reply(const unsigned char *abuf, int alen,
       aptr += len;
       if (aptr + RRFIXEDSZ > abuf + alen)
         {
+          free(rr_name);
           status = ARES_EBADRESP;
           break;
         }
@@ -149,6 +150,7 @@ int ares_parse_a_reply(const unsigned char *abuf, int alen,
             {
               if (aptr + sizeof(struct in_addr) > abuf + alen)
               {
+                free(rr_name);
                 status = ARES_EBADRESP;
                 break;
               }
@@ -159,6 +161,7 @@ int ares_parse_a_reply(const unsigned char *abuf, int alen,
               struct ares_addrttl * const at = &addrttls[naddrs];
               if (aptr + sizeof(struct in_addr) > abuf + alen)
               {
+                free(rr_name);
                 status = ARES_EBADRESP;
                 break;
               }
@@ -238,6 +241,8 @@ int ares_parse_a_reply(const unsigned char *abuf, int alen,
                   for (i = 0; i < naddrs; i++)
                     hostent->h_addr_list[i] = (char *) &addrs[i];
                   hostent->h_addr_list[naddrs] = NULL;
+                  if (!naddrs && addrs)
+                    free(addrs);
                   *host = hostent;
                   return ARES_SUCCESS;
                 }

c-ares/ares_parse_aaaa_reply.c

@@ -132,6 +132,7 @@ int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
       aptr += len;
       if (aptr + RRFIXEDSZ > abuf + alen)
         {
+          free(rr_name);
           status = ARES_EBADRESP;
           break;
         }
@@ -149,6 +150,7 @@ int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
             {
               if (aptr + sizeof(struct ares_in6_addr) > abuf + alen)
               {
+                free(rr_name);
                 status = ARES_EBADRESP;
                 break;
               }
@@ -159,6 +161,7 @@ int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
               struct ares_addr6ttl * const at = &addrttls[naddrs];
               if (aptr + sizeof(struct ares_in6_addr) > abuf + alen)
               {
+                free(rr_name);
                 status = ARES_EBADRESP;
                 break;
               }

c-ares/ares_parse_ptr_reply.c

@@ -99,6 +99,7 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
       aptr += len;
       if (aptr + RRFIXEDSZ > abuf + alen)
         {
+          free(rr_name);
           status = ARES_EBADRESP;
           break;
         }
@@ -114,13 +115,17 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
           status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
                                                   &len);
           if (status != ARES_SUCCESS)
-            break;
+            {
+              free(rr_name);
+              break;
+            }
           if (hostname)
             free(hostname);
           hostname = rr_data;
-          aliases[aliascnt] = malloc((strlen(rr_data)+1) * sizeof(char *));
+          aliases[aliascnt] = malloc((strlen(rr_data)+1) * sizeof(char));
           if (!aliases[aliascnt])
             {
+              free(rr_name);
               status = ARES_ENOMEM;
               break;
             }
@@ -131,6 +136,7 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
             alias_alloc *= 2;
             ptr = realloc(aliases, alias_alloc * sizeof(char *));
             if(!ptr) {
+              free(rr_name);
               status = ARES_ENOMEM;
               break;
             }
@@ -144,7 +150,10 @@ int ares_parse_ptr_reply(const unsigned char *abuf, int alen, const void *addr,
           status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
                                                   &len);
           if (status != ARES_SUCCESS)
-            break;
+            {
+              free(rr_name);
+              break;
+            }
           free(ptrname);
           ptrname = rr_data;
         }

c-ares/ares_platform.h

+#ifndef HEADER_CARES_PLATFORM_H
+#define HEADER_CARES_PLATFORM_H
+
+
+/* Copyright 1998 by the Massachusetts Institute of Technology.
+ * Copyright (C) 2004 - 2011 by Daniel Stenberg et al
+ *
+ * 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"
+
+#if defined(WIN32) && !defined(MSDOS)
+
+typedef enum {
+  WIN_UNKNOWN,
+  WIN_3X,
+  WIN_9X,
+  WIN_NT,
+  WIN_CE
+} win_platform;
+
+win_platform ares__getplatform(void);
+
+#endif
+
+#if defined(_WIN32_WCE)
+
+struct servent *getservbyport(int port, const char *proto);
+
+#endif
+
+#endif /* HEADER_CARES_PLATFORM_H */

c-ares/ares_private.h

@@ -52,7 +52,6 @@
 
 #if defined(WIN32) && !defined(WATT32)
 
-#define IS_NT()        ((int)GetVersion() > 0)
 #define WIN_NS_9X      "System\\CurrentControlSet\\Services\\VxD\\MSTCP"
 #define WIN_NS_NT_KEY  "System\\CurrentControlSet\\Services\\Tcpip\\Parameters"
 #define NAMESERVER     "NameServer"
@@ -89,6 +88,11 @@
 #include "ares_ipv6.h"
 #include "ares_llist.h"
 
+#ifndef HAVE_GETENV
+#  include "ares_getenv.h"
+#  define getenv(ptr) ares_getenv(ptr)
+#endif
+
 #ifndef HAVE_STRDUP
 #  include "ares_strdup.h"
 #  define strdup(ptr) ares_strdup(ptr)
@@ -199,7 +203,7 @@ struct query {
   void *arg;
 
   /* Query status */
-  int try; /* Number of times we tried this query already. */
+  int try_count; /* Number of times we tried this query already. */
   int server; /* Server this query has last been sent to. */
   struct query_server_info *server_info;   /* per-server state */
   int using_tcp;

c-ares/ares_process.c

@@ -63,10 +63,10 @@
 #include <stdlib.h>
 #include <fcntl.h>
 #include <time.h>
-#include <errno.h>
 
 #include "ares.h"
 #include "ares_dns.h"
+#include "ares_nowarn.h"
 #include "ares_private.h"
 
 
@@ -300,29 +300,28 @@ static void advance_tcp_send_queue(ares_channel channel, int whichserver,
 {
   struct send_request *sendreq;
   struct server_state *server = &channel->servers[whichserver];
-  while (num_bytes > 0)
-    {
-      sendreq = server->qhead;
-      if ((size_t)num_bytes >= sendreq->len)
-       {
-         num_bytes -= sendreq->len;
-         server->qhead = sendreq->next;
-         if (server->qhead == NULL)
-           {
-             SOCK_STATE_CALLBACK(channel, server->tcp_socket, 1, 0);
-             server->qtail = NULL;
-           }
-         if (sendreq->data_storage != NULL)
-           free(sendreq->data_storage);
-         free(sendreq);
-       }
-      else
-       {
-         sendreq->data += num_bytes;
-         sendreq->len -= num_bytes;
-         num_bytes = 0;
-       }
+  while (num_bytes > 0) {
+    sendreq = server->qhead;
+    if ((size_t)num_bytes >= sendreq->len) {
+      num_bytes -= sendreq->len;
+      server->qhead = sendreq->next;
+      if (sendreq->data_storage)
+        free(sendreq->data_storage);
+      free(sendreq);
+      if (server->qhead == NULL) {
+        SOCK_STATE_CALLBACK(channel, server->tcp_socket, 1, 0);
+        server->qtail = NULL;
+
+        /* qhead is NULL so we cannot continue this loop */
+        break;
+      }
+    }
+    else {
+      sendreq->data += num_bytes;
+      sendreq->len -= num_bytes;
+      num_bytes = 0;
     }
+  }
 }
 
 /* If any TCP socket selects true for reading, read some data,
@@ -686,7 +685,7 @@ static void next_server(ares_channel channel, struct query *query,
    * servers to try. In total, we need to do channel->nservers * channel->tries
    * attempts. Use query->try to remember how many times we already attempted
    * this query. Use modular arithmetic to find the next server to try. */
-  while (++(query->try) < (channel->nservers * channel->tries))
+  while (++(query->try_count) < (channel->nservers * channel->tries))
     {
       struct server_state *server;
 
@@ -791,7 +790,7 @@ void ares__send_query(ares_channel channel, struct query *query,
           return;
         }
     }
-    timeplus = channel->timeout << (query->try / channel->nservers);
+    timeplus = channel->timeout << (query->try_count / channel->nservers);
     timeplus = (timeplus * (9 + (rand () & 7))) / 16;
     query->timeout = *now;
     ares__timeadd(&query->timeout,

c-ares/ares_search.c

@@ -20,7 +20,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-#include <errno.h>
 
 #ifdef HAVE_STRINGS_H
 #  include <strings.h>
@@ -292,7 +291,7 @@ static int single_domain(ares_channel channel, const char *name, char **s)
             }
           else
             {
-              error = errno;
+              error = ERRNO;
               switch(error)
                 {
                 case ENOENT:

c-ares/ares_send.c

@@ -96,7 +96,7 @@ void ares_send(ares_channel channel, const unsigned char *qbuf, int qlen,
   query->arg = arg;
 
   /* Initialize query status. */
-  query->try = 0;
+  query->try_count = 0;
 
   /* Choose the server to send the query to. If rotation is enabled, keep track
    * of the next server we want to use. */

c-ares/ares_version.h

@@ -7,11 +7,11 @@
 
 #define ARES_VERSION_MAJOR 1
 #define ARES_VERSION_MINOR 7
-#define ARES_VERSION_PATCH 4
+#define ARES_VERSION_PATCH 5
 #define ARES_VERSION ((ARES_VERSION_MAJOR<<16)|\
                        (ARES_VERSION_MINOR<<8)|\
                        (ARES_VERSION_PATCH))
-#define ARES_VERSION_STR "1.7.4"
+#define ARES_VERSION_STR "1.7.5"
 
 #if (ARES_VERSION >= 0x010700)
 #  define CARES_HAVE_ARES_LIBRARY_INIT 1

c-ares/config-win32.h

-#ifndef __ARES_CONFIG_WIN32_H
-#define __ARES_CONFIG_WIN32_H
+#ifndef HEADER_CARES_CONFIG_WIN32_H
+#define HEADER_CARES_CONFIG_WIN32_H
 
-
-/* Copyright (C) 2004 - 2008 by Daniel Stenberg et al
+/* Copyright (C) 2004 - 2011 by Daniel Stenberg et al
  *
  * Permission to use, copy, modify, and distribute this software and its
  * documentation for any purpose and without fee is hereby granted, provided
@@ -16,22 +15,28 @@
  */
 
 /* ================================================================ */
-/*    ares/config-win32.h - Hand crafted config file for Windows    */
+/*   c-ares/config-win32.h - Hand crafted config file for Windows   */
 /* ================================================================ */
 
 /* ---------------------------------------------------------------- */
 /*                          HEADER FILES                            */
 /* ---------------------------------------------------------------- */
 
-/* Define if you have the <getopt.h> header file.  */
+/* Define if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define if you have the <getopt.h> header file. */
 #if defined(__MINGW32__) || defined(__POCC__)
 #define HAVE_GETOPT_H 1
 #endif
 
-/* Define if you have the <limits.h> header file.  */
+/* Define if you have the <limits.h> header file. */
 #define HAVE_LIMITS_H 1
 
-/* Define if you have the <process.h> header file.  */
+/* Define if you have the <process.h> header file. */
 #ifndef __SALFORDC__
 #define HAVE_PROCESS_H 1
 #endif
@@ -42,27 +47,27 @@
 /* Define if you have the <sys/time.h> header file */
 /* #define HAVE_SYS_TIME_H 1 */
 
-/* Define if you have the <time.h> header file.  */
+/* Define if you have the <time.h> header file. */
 #define HAVE_TIME_H 1
 
-/* Define if you have the <unistd.h> header file.  */
+/* Define if you have the <unistd.h> header file. */
 #if defined(__MINGW32__) || defined(__WATCOMC__) || defined(__LCC__) || \
     defined(__POCC__)
 #define HAVE_UNISTD_H 1
 #endif
 
-/* Define if you have the <windows.h> header file.  */
+/* Define if you have the <windows.h> header file. */
 #define HAVE_WINDOWS_H 1
 
-/* Define if you have the <winsock.h> header file.  */
+/* Define if you have the <winsock.h> header file. */
 #define HAVE_WINSOCK_H 1
 
-/* Define if you have the <winsock2.h> header file.  */
+/* Define if you have the <winsock2.h> header file. */
 #ifndef __SALFORDC__
 #define HAVE_WINSOCK2_H 1
 #endif
 
-/* Define if you have the <ws2tcpip.h> header file.  */
+/* Define if you have the <ws2tcpip.h> header file. */
 #ifndef __SALFORDC__
 #define HAVE_WS2TCPIP_H 1
 #endif
@@ -74,20 +79,23 @@
 /* Define if sig_atomic_t is an available typedef. */
 #define HAVE_SIG_ATOMIC_T 1
 
-/* Define if you have the ANSI C header files.  */
+/* Define if you have the ANSI C header files. */
 #define STDC_HEADERS 1
 
-/* Define if you can safely include both <sys/time.h> and <time.h>.  */
+/* Define if you can safely include both <sys/time.h> and <time.h>. */
 /* #define TIME_WITH_SYS_TIME 1 */
 
 /* ---------------------------------------------------------------- */
 /*                             FUNCTIONS                            */
 /* ---------------------------------------------------------------- */
 
-/* Define if you have the closesocket function.  */
+/* Define if you have the closesocket function. */
 #define HAVE_CLOSESOCKET 1
 
-/* Define if you have the gethostname function.  */
+/* Define if you have the getenv function. */
+#define HAVE_GETENV 1
+
+/* Define if you have the gethostname function. */
 #define HAVE_GETHOSTNAME 1
 
 /* Define if you have the ioctlsocket function. */
@@ -174,7 +182,7 @@
 /* Define to the function return type for send. */
 #define SEND_TYPE_RETV int
 
-/* Specifics for the Watt-32 tcp/ip stack */
+/* Specifics for the Watt-32 tcp/ip stack. */
 #ifdef WATT32
   #define SOCKET              int
   #define NS_INADDRSZ         4
@@ -197,13 +205,13 @@
 /*                       TYPEDEF REPLACEMENTS                       */
 /* ---------------------------------------------------------------- */
 
-/* Define this if in_addr_t is not an available 'typedefed' type */
+/* Define if in_addr_t is not an available 'typedefed' type. */
 #define in_addr_t unsigned long
 
-/* Define as the return type of signal handlers (int or void).  */
+/* Define to the return type of signal handlers (int or void). */
 #define RETSIGTYPE void
 
-/* Define ssize_t if it is not an available 'typedefed' type */
+/* Define if ssize_t is not an available 'typedefed' type. */
 #ifndef _SSIZE_T_DEFINED
 #  if (defined(__WATCOMC__) && (__WATCOMC__ >= 1240)) || \
       defined(__POCC__) || \
@@ -221,13 +229,13 @@
 /*                            TYPE SIZES                            */
 /* ---------------------------------------------------------------- */
 
-/* The size of `int', as computed by sizeof. */
+/* Define to the size of `int', as computed by sizeof. */
 #define SIZEOF_INT 4
 
-/* The size of `short', as computed by sizeof. */
+/* Define to the size of `short', as computed by sizeof. */
 #define SIZEOF_SHORT 2
 
-/* The size of `size_t', as computed by sizeof. */
+/* Define to the size of `size_t', as computed by sizeof. */
 #if defined(_WIN64)
 #  define SIZEOF_SIZE_T 8
 #else
@@ -238,34 +246,35 @@
 /*                          STRUCT RELATED                          */
 /* ---------------------------------------------------------------- */
 
-/* Define this if you have struct addrinfo */
+/* Define if you have struct addrinfo. */
 #define HAVE_STRUCT_ADDRINFO 1
 
-/* Define this if you have struct sockaddr_storage */
-#ifndef __SALFORDC__
+/* Define if you have struct sockaddr_storage. */
+#if !defined(__SALFORDC__) && !defined(__BORLANDC__)
 #define HAVE_STRUCT_SOCKADDR_STORAGE 1
 #endif
 
-/* Define this if you have struct timeval */
+/* Define if you have struct timeval. */
 #define HAVE_STRUCT_TIMEVAL 1
 
 /* ---------------------------------------------------------------- */
 /*                        COMPILER SPECIFIC                         */
 /* ---------------------------------------------------------------- */
 
-/* Define to avoid VS2005 complaining about portable C functions */
+/* Define to avoid VS2005 complaining about portable C functions. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1400)
-#define _CRT_SECURE_NO_DEPRECATE 1
-#define _CRT_NONSTDC_NO_DEPRECATE 1
+#  define _CRT_SECURE_NO_DEPRECATE 1
+#  define _CRT_NONSTDC_NO_DEPRECATE 1
 #endif
 
 /* Officially, Microsoft's Windows SDK versions 6.X do not support Windows
-   2000 as a supported build target. VS2008 default installations provide an
-   embedded Windows SDK v6.0A along with the claim that Windows 2000 is a
-   valid build target for VS2008. Popular belief is that binaries built using
-   Windows SDK versions 6.X and Windows 2000 as a build target are functional */
+   2000 as a supported build target. VS2008 default installations provide
+   an embedded Windows SDK v6.0A along with the claim that Windows 2000 is
+   a valid build target for VS2008. Popular belief is that binaries built
+   with VS2008 using Windows SDK versions 6.X and Windows 2000 as a build
+   target are functional. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1500)
-#  define VS2008_MINIMUM_TARGET 0x0500
+#  define VS2008_MIN_TARGET 0x0500
 #endif
 
 /* When no build target is specified VS2008 default build target is Windows
@@ -273,18 +282,18 @@
    for VS2008 we will target the minimum Officially supported build target,
    which happens to be Windows XP. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1500)
-#  define VS2008_DEFAULT_TARGET  0x0501
+#  define VS2008_DEF_TARGET  0x0501
 #endif
 
-/* VS2008 default target settings and minimum build target check */
+/* VS2008 default target settings and minimum build target check. */
 #if defined(_MSC_VER) && (_MSC_VER >= 1500)
 #  ifndef _WIN32_WINNT
-#    define _WIN32_WINNT VS2008_DEFAULT_TARGET
+#    define _WIN32_WINNT VS2008_DEF_TARGET
 #  endif
 #  ifndef WINVER
-#    define WINVER VS2008_DEFAULT_TARGET
+#    define WINVER VS2008_DEF_TARGET
 #  endif
-#  if (_WIN32_WINNT < VS2008_MINIMUM_TARGET) || (WINVER < VS2008_MINIMUM_TARGET)
+#  if (_WIN32_WINNT < VS2008_MIN_TARGET) || (WINVER < VS2008_MIN_TARGET)
 #    error VS2008 does not support Windows build targets prior to Windows 2000
 #  endif
 #endif
@@ -331,30 +340,30 @@
 /*                         IPV6 COMPATIBILITY                       */
 /* ---------------------------------------------------------------- */
 
-/* Define this if you have address family AF_INET6 */
+/* Define if you have address family AF_INET6. */
 #ifdef HAVE_WINSOCK2_H
 #define HAVE_AF_INET6 1
 #endif
 
-/* Define this if you have protocol family PF_INET6 */
+/* Define if you have protocol family PF_INET6. */
 #ifdef HAVE_WINSOCK2_H
 #define HAVE_PF_INET6 1
 #endif
 
-/* Define this if you have struct in6_addr */
+/* Define if you have struct in6_addr. */
 #ifdef HAVE_WS2TCPIP_H
 #define HAVE_STRUCT_IN6_ADDR 1
 #endif
 
-/* Define this if you have struct sockaddr_in6 */
+/* Define if you have struct sockaddr_in6. */
 #ifdef HAVE_WS2TCPIP_H
 #define HAVE_STRUCT_SOCKADDR_IN6 1
 #endif
 
-/* Define this if you have sockaddr_in6 with scopeid */
+/* Define if you have sockaddr_in6 with scopeid. */
 #ifdef HAVE_WS2TCPIP_H
 #define HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID 1
 #endif
 
 
-#endif  /* __ARES_CONFIG_WIN32_H */
+#endif /* HEADER_CARES_CONFIG_WIN32_H */

c-ares/config.sub

 #! /bin/sh
 # Configuration validation subroutine script.
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-#   Free Software Foundation, Inc.
+#   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+#   2011 Free Software Foundation, Inc.
 
-timestamp='2010-01-22'
+timestamp='2011-03-23'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -76,7 +76,7 @@ version="\
 GNU config.sub ($timestamp)
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free
+2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free
 Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
@@ -124,8 +124,9 @@ esac
 # Here we must recognize all the valid KERNEL-OS combinations.
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
-  nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
-  uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
+  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | \
   kopensolaris*-gnu* | \
   storm-chaos* | os2-emx* | rtmk-nova*)
     os=-$maybe_os
@@ -157,8 +158,8 @@ case $os in
 		os=
 		basic_machine=$1
 		;;
-        -bluegene*)
-	        os=-cnk
+	-bluegene*)
+		os=-cnk
 		;;
 	-sim | -cisco | -oki | -wec | -winbond)
 		os=
@@ -174,10 +175,10 @@ case $os in
 		os=-chorusos
 		basic_machine=$1
 		;;
- 	-chorusrdb)
- 		os=-chorusrdb
+	-chorusrdb)
+		os=-chorusrdb
 		basic_machine=$1
- 		;;
+		;;
 	-hiux*)
 		os=-hiuxwe2
 		;;
@@ -282,11 +283,13 @@ case $basic_machine in
 	| moxie \
 	| mt \
 	| msp430 \
+	| nds32 | nds32le | nds32be \
 	| nios | nios2 \
 	| ns16k | ns32k \
+	| open8 \
 	| or32 \
 	| pdp10 | pdp11 | pj | pjl \
-	| powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+	| powerpc | powerpc64 | powerpc64le | powerpcle \
 	| pyramid \
 	| rx \
 	| score \
@@ -294,15 +297,24 @@ case $basic_machine in
 	| sh64 | sh64le \
 	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
 	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
-	| spu | strongarm \
-	| tahoe | thumb | tic4x | tic80 | tron \
+	| spu \
+	| tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
 	| ubicom32 \
 	| v850 | v850e \
 	| we32k \
-	| x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \
+	| x86 | xc16x | xstormy16 | xtensa \
 	| z8k | z80)
 		basic_machine=$basic_machine-unknown
 		;;
+	c54x)
+		basic_machine=tic54x-unknown
+		;;
+	c55x)
+		basic_machine=tic55x-unknown
+		;;
+	c6x)
+		basic_machine=tic6x-unknown
+		;;
 	m6811 | m68hc11 | m6812 | m68hc12 | picochip)
 		# Motorola 68HC11/12.
 		basic_machine=$basic_machine-unknown
@@ -314,6 +326,18 @@ case $basic_machine in
 		basic_machine=mt-unknown
 		;;
 
+	strongarm | thumb | xscale)
+		basic_machine=arm-unknown
+		;;
+
+	xscaleeb)
+		basic_machine=armeb-unknown
+		;;
+
+	xscaleel)
+		basic_machine=armel-unknown
+		;;
+
 	# We use `pc' rather than `unknown'
 	# because (1) that's what they normally are, and
 	# (2) the word "unknown" tends to confuse beginning users.
@@ -334,7 +358,7 @@ case $basic_machine in
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
 	| avr-* | avr32-* \
 	| bfin-* | bs2000-* \
-	| c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+	| c[123]* | c30-* | [cjt]90-* | c4x-* \
 	| clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
 	| elxsi-* \
@@ -368,26 +392,28 @@ case $basic_machine in
 	| mmix-* \
 	| mt-* \
 	| msp430-* \
+	| nds32-* | nds32le-* | nds32be-* \
 	| nios-* | nios2-* \
 	| none-* | np1-* | ns16k-* | ns32k-* \
+	| open8-* \
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
-	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
 	| pyramid-* \
 	| romp-* | rs6000-* | rx-* \
 	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
 	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
 	| sparclite-* \
-	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \
-	| tahoe-* | thumb-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+	| tahoe-* \
 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
 	| tile-* | tilegx-* \
 	| tron-* \
 	| ubicom32-* \
 	| v850-* | v850e-* | vax-* \
 	| we32k-* \
-	| x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \
+	| x86-* | x86_64-* | xc16x-* | xps100-* \
 	| xstormy16-* | xtensa*-* \
 	| ymp-* \
 	| z8k-* | z80-*)
@@ -412,7 +438,7 @@ case $basic_machine in
 		basic_machine=a29k-amd
 		os=-udi
 		;;
-    	abacus)
+	abacus)
 		basic_machine=abacus-unknown
 		;;
 	adobe68k)
@@ -482,11 +508,20 @@ case $basic_machine in
 		basic_machine=powerpc-ibm
 		os=-cnk
 		;;
+	c54x-*)
+		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c55x-*)
+		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
+	c6x-*)
+		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	c90)
 		basic_machine=c90-cray
 		os=-unicos
 		;;
-        cegcc)
+	cegcc)
 		basic_machine=arm-unknown
 		os=-cegcc
 		;;
@@ -518,7 +553,7 @@ case $basic_machine in
 		basic_machine=craynv-cray
 		os=-unicosmp
 		;;
-	cr16)
+	cr16 | cr16-*)
 		basic_machine=cr16-unknown
 		os=-elf
 		;;
@@ -734,7 +769,7 @@ case $basic_machine in
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
-        microblaze)
+	microblaze)
 		basic_machine=microblaze-xilinx
 		;;
 	mingw32)
@@ -841,6 +876,12 @@ case $basic_machine in
 	np1)
 		basic_machine=np1-gould
 		;;
+	neo-tandem)
+		basic_machine=neo-tandem
+		;;
+	nse-tandem)
+		basic_machine=nse-tandem
+		;;
 	nsr-tandem)
 		basic_machine=nsr-tandem
 		;;
@@ -923,9 +964,10 @@ case $basic_machine in
 		;;
 	power)	basic_machine=power-ibm
 		;;
-	ppc)	basic_machine=powerpc-unknown
+	ppc | ppcbe)	basic_machine=powerpc-unknown
 		;;
-	ppc-*)	basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+	ppc-* | ppcbe-*)
+		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	ppcle | powerpclittle | ppc-le | powerpc-little)
 		basic_machine=powerpcle-unknown
@@ -1019,6 +1061,9 @@ case $basic_machine in
 		basic_machine=i860-stratus
 		os=-sysv4
 		;;
+	strongarm-* | thumb-*)
+		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
+		;;
 	sun2)
 		basic_machine=m68000-sun
 		;;
@@ -1075,20 +1120,8 @@ case $basic_machine in
 		basic_machine=t90-cray
 		os=-unicos
 		;;
-	tic54x | c54x*)
-		basic_machine=tic54x-unknown
-		os=-coff
-		;;
-	tic55x | c55x*)
-		basic_machine=tic55x-unknown
-		os=-coff
-		;;
-	tic6x | c6x*)
-		basic_machine=tic6x-unknown
-		os=-coff
-		;;
-        # This must be matched before tile*.
-        tilegx*)
+	# This must be matched before tile*.
+	tilegx*)
 		basic_machine=tilegx-unknown
 		os=-linux-gnu
 		;;
@@ -1163,6 +1196,9 @@ case $basic_machine in
 	xps | xps100)
 		basic_machine=xps100-honeywell
 		;;
+	xscale-* | xscalee[bl]-*)
+		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
+		;;
 	ymp)
 		basic_machine=ymp-cray
 		os=-unicos
@@ -1260,11 +1296,11 @@ esac
 if [ x"$os" != x"" ]
 then
 case $os in
-        # First match some system type aliases
-        # that might get confused with valid system types.
+	# First match some system type aliases
+	# that might get confused with valid system types.
 	# -solaris* is a basic system type, with this one exception.
-        -auroraux)
-	        os=-auroraux
+	-auroraux)
+		os=-auroraux
 		;;
 	-solaris1 | -solaris1.*)
 		os=`echo $os | sed -e 's|solaris1|sunos4|'`
@@ -1301,7 +1337,8 @@ case $os in
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -chorusos* | -chorusrdb* | -cegcc* \
 	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
+	      | -mingw32* | -linux-gnu* | -linux-android* \
+	      | -linux-newlib* | -linux-uclibc* \
 	      | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
@@ -1348,7 +1385,7 @@ case $os in
 	-opened*)
 		os=-openedition
 		;;
-        -os400*)
+	-os400*)
 		os=-os400
 		;;
 	-wince*)
@@ -1397,7 +1434,7 @@ case $os in
 	-sinix*)
 		os=-sysv4
 		;;
-        -tpf*)
+	-tpf*)
 		os=-tpf
 		;;
 	-triton*)
@@ -1442,8 +1479,8 @@ case $os in
 	-dicos*)
 		os=-dicos
 		;;
-        -nacl*)
-	        ;;
+	-nacl*)
+		;;
 	-none)
 		;;
 	*)
@@ -1466,10 +1503,10 @@ else
 # system, and we'll never get to this point.
 
 case $basic_machine in
-        score-*)
+	score-*)
 		os=-elf
 		;;
-        spu-*)
+	spu-*)
 		os=-elf
 		;;
 	*-acorn)
@@ -1481,8 +1518,17 @@ case $basic_machine in
 	arm*-semi)
 		os=-aout
 		;;
-        c4x-* | tic4x-*)
-        	os=-coff
+	c4x-* | tic4x-*)
+		os=-coff
+		;;
+	tic54x-*)
+		os=-coff
+		;;
+	tic55x-*)
+		os=-coff
+		;;
+	tic6x-*)
+		os=-coff
 		;;
 	# This must come before the *-dec entry.
 	pdp10-*)
@@ -1509,7 +1555,7 @@ case $basic_machine in
 	m68*-cisco)
 		os=-aout
 		;;
-        mep-*)
+	mep-*)
 		os=-elf
 		;;
 	mips*-cisco)
@@ -1536,7 +1582,7 @@ case $basic_machine in
 	*-ibm)
 		os=-aix
 		;;
-    	*-knuth)
+	*-knuth)
 		os=-mmixware
 		;;
 	*-wec)

c-ares/inet_net_pton.c

@@ -37,20 +37,20 @@
 #endif
 
 #include <ctype.h>
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 
 #include "ares.h"
 #include "ares_ipv6.h"
+#include "ares_nowarn.h"
 #include "inet_net_pton.h"
 
 
 const struct ares_in6_addr ares_in6addr_any = { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } };
 
 
-#if !defined(HAVE_INET_NET_PTON) || !defined(HAVE_INET_NET_PTON_IPV6)
+#ifndef HAVE_INET_NET_PTON
 
 /*
  * static int
@@ -83,16 +83,17 @@ inet_net_pton_ipv4(const char *src, unsigned char *dst, size_t size)
 
   ch = *src++;
   if (ch == '0' && (src[0] == 'x' || src[0] == 'X')
+      && ISASCII(src[1])
       && ISXDIGIT(src[1])) {
     /* Hexadecimal: Eat nybble string. */
     if (!size)
       goto emsgsize;
     dirty = 0;
     src++;  /* skip x or X. */
-    while ((ch = *src++) != '\0' && ISXDIGIT(ch)) {
+    while ((ch = *src++) != '\0' && ISASCII(ch) && ISXDIGIT(ch)) {
       if (ISUPPER(ch))
         ch = tolower(ch);
-      n = (int)(strchr(xdigits, ch) - xdigits);
+      n = aresx_sztosi(strchr(xdigits, ch) - xdigits);
       if (dirty == 0)
         tmp = n;
       else
@@ -109,18 +110,18 @@ inet_net_pton_ipv4(const char *src, unsigned char *dst, size_t size)
         goto emsgsize;
       *dst++ = (unsigned char) (tmp << 4);
     }
-  } else if (ISDIGIT(ch)) {
+  } else if (ISASCII(ch) && ISDIGIT(ch)) {
     /* Decimal: eat dotted digit string. */
     for (;;) {
       tmp = 0;
       do {
-        n = (int)(strchr(digits, ch) - digits);
+        n = aresx_sztosi(strchr(digits, ch) - digits);
         tmp *= 10;
         tmp += n;
         if (tmp > 255)
           goto enoent;
       } while ((ch = *src++) != '\0' &&
-               ISDIGIT(ch));
+               ISASCII(ch) && ISDIGIT(ch));
       if (!size--)
         goto emsgsize;
       *dst++ = (unsigned char) tmp;
@@ -129,27 +130,27 @@ inet_net_pton_ipv4(const char *src, unsigned char *dst, size_t size)
       if (ch != '.')
         goto enoent;
       ch = *src++;
-      if (!ISDIGIT(ch))
+      if (!ISASCII(ch) || !ISDIGIT(ch))
         goto enoent;
     }
   } else
     goto enoent;
 
   bits = -1;
-  if (ch == '/' &&
+  if (ch == '/' && ISASCII(src[0]) &&
       ISDIGIT(src[0]) && dst > odst) {
     /* CIDR width specifier.  Nothing can follow it. */
     ch = *src++;    /* Skip over the /. */
     bits = 0;
     do {
-      n = (int)(strchr(digits, ch) - digits);
+      n = aresx_sztosi(strchr(digits, ch) - digits);
       bits *= 10;
       bits += n;
-    } while ((ch = *src++) != '\0' && ISDIGIT(ch));
+      if (bits > 32)
+        goto enoent;
+    } while ((ch = *src++) != '\0' && ISASCII(ch) && ISDIGIT(ch));
     if (ch != '\0')
       goto enoent;
-    if (bits > 32)
-      goto emsgsize;
   }
 
   /* Firey death and destruction unless we prefetched EOS. */
@@ -173,7 +174,7 @@ inet_net_pton_ipv4(const char *src, unsigned char *dst, size_t size)
       bits = 8;
     /* If imputed mask is narrower than specified octets, widen. */
     if (bits < ((dst - odst) * 8))
-      bits = (int)(dst - odst) * 8;
+      bits = aresx_sztosi(dst - odst) * 8;
     /*
      * If there are no additional bits specified for a class D
      * address adjust bits to 4.
@@ -216,7 +217,7 @@ getbits(const char *src, int *bitsp)
       if (n++ != 0 && val == 0)       /* no leading zeros */
         return (0);
       val *= 10;
-      val += (pch - digits);
+      val += aresx_sztosi(pch - digits);
       if (val > 128)                  /* range */
         return (0);
       continue;
@@ -248,7 +249,7 @@ getv4(const char *src, unsigned char *dst, int *bitsp)
       if (n++ != 0 && val == 0)       /* no leading zeros */
         return (0);
       val *= 10;
-      val += (pch - digits);
+      val += aresx_sztoui(pch - digits);
       if (val > 255)                  /* range */
         return (0);
       continue;
@@ -269,8 +270,8 @@ getv4(const char *src, unsigned char *dst, int *bitsp)
     return (0);
   if (dst - odst > 3)             /* too many octets? */
     return (0);
-  *dst++ = (unsigned char)val;
-  return (1);
+  *dst = (unsigned char)val;
+  return 1;
 }
 
 static int
@@ -308,7 +309,7 @@ inet_net_pton_ipv6(const char *src, unsigned char *dst, size_t size)
       pch = strchr((xdigits = xdigits_u), ch);
     if (pch != NULL) {
       val <<= 4;
-      val |= (pch - xdigits);
+      val |= aresx_sztoui(pch - xdigits);
       if (++digits > 4)
         goto enoent;
       saw_xdigit = 1;
@@ -425,7 +426,7 @@ ares_inet_net_pton(int af, const char *src, void *dst, size_t size)
   }
 }
 
-#endif
+#endif /* HAVE_INET_NET_PTON */
 
 #ifndef HAVE_INET_PTON
 int ares_inet_pton(int af, const char *src, void *dst)

c-ares/inet_net_pton.h

-#ifndef __ARES_INET_NET_PTON_H
-#define __ARES_INET_NET_PTON_H
+#ifndef HEADER_CARES_INET_NET_PTON_H
+#define HEADER_CARES_INET_NET_PTON_H
 
-
-/* Copyright (C) 2005 by Daniel Stenberg
+/* Copyright (C) 2005-2010 by Daniel Stenberg et al
  *
  * Permission to use, copy, modify, and distribute this
  * software and its documentation for any purpose and without
@@ -22,10 +21,11 @@
 #else
 int ares_inet_pton(int af, const char *src, void *dst);
 #endif
-#if defined(HAVE_INET_NET_PTON) && defined(HAVE_INET_NET_PTON_IPV6)
+
+#ifdef HAVE_INET_NET_PTON
 #define ares_inet_net_pton(w,x,y,z) inet_net_pton(w,x,y,z)
 #else
 int ares_inet_net_pton(int af, const char *src, void *dst, size_t size);
 #endif
 
-#endif /* __ARES_INET_NET_PTON_H */
+#endif /* HEADER_CARES_INET_NET_PTON_H */

c-ares/inet_ntop.c

-
-/* Copyright (c) 1996 by Internet Software Consortium.
+/*
+ * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (c) 1996-1999 by Internet Software Consortium.
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
- * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
- * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- * SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
 #include "ares_setup.h"
@@ -36,7 +36,6 @@
 #endif
 
 #include <ctype.h>
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -48,12 +47,6 @@
 
 #ifndef HAVE_INET_NTOP
 
-#ifdef SPRINTF_CHAR
-# define SPRINTF(x) strlen(sprintf/**/x)
-#else
-# define SPRINTF(x) ((size_t)sprintf x)
-#endif
-
 /*
  * WARNING: Don't even consider trying to compile this on a system where
  * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
@@ -68,32 +61,31 @@ static const char *inet_ntop6(const unsigned char *src, char *dst, size_t size);
  * return:
  *     pointer to presentation format address (`dst'), or NULL (see errno).
  * note:
- *      On Windows we store the error in the thread errno, not
- *      in the winsock error code. This is to avoid loosing the
- *      actual last winsock error. So use macro ERRNO to fetch the
- *      errno this funtion sets when returning NULL, not SOCKERRNO.
+ *     On Windows we store the error in the thread errno, not
+ *     in the winsock error code. This is to avoid loosing the
+ *     actual last winsock error. So use macro ERRNO to fetch the
+ *     errno this funtion sets when returning NULL, not SOCKERRNO.
  * author:
  *     Paul Vixie, 1996.
  */
 const char *
 ares_inet_ntop(int af, const void *src, char *dst, size_t size)
 {
-  switch (af)
-    {
-    case AF_INET:
-      return (inet_ntop4(src, dst, size));
-    case AF_INET6:
-      return (inet_ntop6(src, dst, size));
-    default:
-      SET_ERRNO(EAFNOSUPPORT);
-      return (NULL);
-    }
+  switch (af) {
+  case AF_INET:
+    return (inet_ntop4(src, dst, size));
+  case AF_INET6:
+    return (inet_ntop6(src, dst, size));
+  default:
+    SET_ERRNO(EAFNOSUPPORT);
+    return (NULL);
+  }
   /* NOTREACHED */
 }
 
 /* const char *
  * inet_ntop4(src, dst, size)
- *     format an IPv4 address, more or less like inet_ntoa()
+ *     format an IPv4 address
  * return:
  *     `dst' (as a const)
  * notes:
@@ -106,22 +98,21 @@ static const char *
 inet_ntop4(const unsigned char *src, char *dst, size_t size)
 {
   static const char fmt[] = "%u.%u.%u.%u";
-  char tmp[sizeof "255.255.255.255"];
+  char tmp[sizeof("255.255.255.255")];
 
-  if (SPRINTF((tmp, fmt, src[0], src[1], src[2], src[3])) > size)
-    {
-      SET_ERRNO(ENOSPC);
-      return (NULL);
-    }
-    strcpy(dst, tmp);
-    return (dst);
+  if ((size_t)sprintf(tmp, fmt, src[0], src[1], src[2], src[3]) >= size) {
+    SET_ERRNO(ENOSPC);
+    return (NULL);
+  }
+  strcpy(dst, tmp);
+  return (dst);
 }
 
 /* const char *
  * inet_ntop6(src, dst, size)
- *    convert IPv6 binary address into presentation (printable) format
+ *     convert IPv6 binary address into presentation (printable) format
  * author:
- *    Paul Vixie, 1996.
+ *     Paul Vixie, 1996.
  */
 static const char *
 inet_ntop6(const unsigned char *src, char *dst, size_t size)
@@ -135,11 +126,8 @@ inet_ntop6(const unsigned char *src, char *dst, size_t size)
    */
   char tmp[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
   char *tp;
-  struct {
-    long base;
-    long len;
-  } best, cur;
-  unsigned long words[NS_IN6ADDRSZ / NS_INT16SZ];
+  struct { int base, len; } best, cur;
+  unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ];
   int i;
 
   /*
@@ -149,37 +137,29 @@ inet_ntop6(const unsigned char *src, char *dst, size_t size)
    */
   memset(words, '\0', sizeof(words));
   for (i = 0; i < NS_IN6ADDRSZ; i++)
-      words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
-
+    words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
   best.base = -1;
-  cur.base = -1;
   best.len = 0;
+  cur.base = -1;
   cur.len = 0;
-
-  for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
-    {
-      if (words[i] == 0)
-        {
-          if (cur.base == -1)
-            cur.base = i, cur.len = 1;
-          else
-            cur.len++;
-        }
+  for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+    if (words[i] == 0) {
+      if (cur.base == -1)
+        cur.base = i, cur.len = 1;
       else
-        {
-          if (cur.base != -1)
-            {
-              if (best.base == -1 || cur.len > best.len)
-                best = cur;
-              cur.base = -1;
-            }
-        }
-    }
-  if (cur.base != -1)
-    {
-      if (best.base == -1 || cur.len > best.len)
-        best = cur;
+        cur.len++;
+    } else {
+      if (cur.base != -1) {
+        if (best.base == -1 || cur.len > best.len)
+          best = cur;
+        cur.base = -1;
+      }
     }
+  }
+  if (cur.base != -1) {
+    if (best.base == -1 || cur.len > best.len)
+      best = cur;
+  }
   if (best.base != -1 && best.len < 2)
     best.base = -1;
 
@@ -187,46 +167,42 @@ inet_ntop6(const unsigned char *src, char *dst, size_t size)
    * Format the result.
    */
   tp = tmp;
-  for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
-    {
-      /* Are we inside the best run of 0x00's? */
-      if (best.base != -1 && i >= best.base &&
-          i < (best.base + best.len))
-        {
-          if (i == best.base)
-             *tp++ = ':';
-          continue;
-        }
-      /* Are we following an initial run of 0x00s or any real hex? */
-      if (i != 0)
+  for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+    /* Are we inside the best run of 0x00's? */
+    if (best.base != -1 && i >= best.base &&
+        i < (best.base + best.len)) {
+      if (i == best.base)
         *tp++ = ':';
-      /* Is this address an encapsulated IPv4? */
-      if (i == 6 && best.base == 0 &&
-          (best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
-        {
-          if (!inet_ntop4(src+12, tp, sizeof(tmp) - (tp - tmp)))
-            return (NULL);
-          tp += strlen(tp);
-          break;
-        }
-        tp += SPRINTF((tp, "%lx", words[i]));
+      continue;
     }
-
+    /* Are we following an initial run of 0x00s or any real hex? */
+    if (i != 0)
+      *tp++ = ':';
+    /* Is this address an encapsulated IPv4? */
+    if (i == 6 && best.base == 0 && (best.len == 6 ||
+        (best.len == 7 && words[7] != 0x0001) ||
+        (best.len == 5 && words[5] == 0xffff))) {
+      if (!inet_ntop4(src+12, tp, sizeof(tmp) - (tp - tmp)))
+        return (NULL);
+      tp += strlen(tp);
+      break;
+    }
+    tp += sprintf(tp, "%x", words[i]);
+  }
   /* Was it a trailing run of 0x00's? */
-  if (best.base != -1 && (best.base + best.len) == (NS_IN6ADDRSZ / NS_INT16SZ))
+  if (best.base != -1 && (best.base + best.len) == 
+      (NS_IN6ADDRSZ / NS_INT16SZ))
     *tp++ = ':';
   *tp++ = '\0';
 
   /*
    * Check for overflow, copy, and we're done.
    */
-  if ((size_t)(tp - tmp) > size)
-    {
-      SET_ERRNO(ENOSPC);
-      return (NULL);
-    }
+  if ((size_t)(tp - tmp) > size) {
+    SET_ERRNO(ENOSPC);
+    return (NULL);
+  }
   strcpy(dst, tmp);
   return (dst);
 }
 #endif
-

c-ares/nameser.h

@@ -75,6 +75,11 @@ typedef enum __ns_type {
     ns_t_sink = 40,         /* Kitchen sink (experimentatl) */
     ns_t_opt = 41,          /* EDNS0 option (meta-RR) */
     ns_t_apl = 42,          /* Address prefix list (RFC3123) */
+    ns_t_ds = 43,           /* Delegation Signer (RFC4034) */
+    ns_t_sshfp = 44,        /* SSH Key Fingerprint (RFC4255) */
+    ns_t_rrsig = 46,        /* Resource Record Signature (RFC4034) */
+    ns_t_nsec = 47,         /* Next Secure (RFC4034) */
+    ns_t_dnskey = 48,       /* DNS Public Key (RFC4034) */
     ns_t_tkey = 249,        /* Transaction key */
     ns_t_tsig = 250,        /* Transaction signature. */
     ns_t_ixfr = 251,        /* Incremental zone transfer. */
@@ -181,6 +186,11 @@ typedef enum __ns_rcode {
 #define T_SRV           ns_t_srv
 #define T_ATMA          ns_t_atma
 #define T_NAPTR         ns_t_naptr
+#define T_DS            ns_t_ds
+#define T_SSHFP         ns_t_sshfp
+#define T_RRSIG         ns_t_rrsig
+#define T_NSEC          ns_t_nsec
+#define T_DNSKEY        ns_t_dnskey
 #define T_TSIG          ns_t_tsig
 #define T_IXFR          ns_t_ixfr
 #define T_AXFR          ns_t_axfr

c-ares/setup_once.h

@@ -2,7 +2,7 @@
 #define __SETUP_ONCE_H
 
 
-/* Copyright (C) 2004 - 2010 by Daniel Stenberg et al
+/* Copyright (C) 2004 - 2011 by Daniel Stenberg et al
  *
  * Permission to use, copy, modify, and distribute this software and its
  * documentation for any purpose and without fee is hereby granted, provided
@@ -35,7 +35,10 @@
 #include <string.h>
 #include <stdarg.h>
 #include <ctype.h>
+
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
+#endif
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -248,6 +251,7 @@ struct timeval {
 #define ISPRINT(x)  (isprint((int)  ((unsigned char)x)))
 #define ISUPPER(x)  (isupper((int)  ((unsigned char)x)))
 #define ISLOWER(x)  (islower((int)  ((unsigned char)x)))
+#define ISASCII(x)  (isascii((int)  ((unsigned char)x)))
 
 #define ISBLANK(x)  (int)((((unsigned char)x) == ' ') || \
                           (((unsigned char)x) == '\t'))
@@ -366,7 +370,7 @@ typedef int sig_atomic_t;
  * (or equivalent) on this platform to hide platform details to code using it.
  */
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WATT32)
 #define ERRNO         ((int)GetLastError())
 #define SET_ERRNO(x)  (SetLastError((DWORD)(x)))
 #else
@@ -455,6 +459,18 @@ typedef int sig_atomic_t;
 #endif
 
 
+/*
+ *  System error codes for Windows CE
+ */
+
+#if defined(WIN32) && !defined(HAVE_ERRNO_H)
+#define ENOENT       ERROR_FILE_NOT_FOUND
+#define ESRCH        ERROR_PATH_NOT_FOUND
+#define ENOMEM       ERROR_NOT_ENOUGH_MEMORY
+#define ENOSPC       ERROR_INVALID_PARAMETER
+#endif
+
+
 /*
  *  Actually use __32_getpwuid() on 64-bit VMS builds for getpwuid()
  */