1 files changed, 0 insertions, 323 deletions
diff --git a/3rdParty/CAres/src/ares_search.c b/3rdParty/CAres/src/ares_search.c
deleted file mode 100644
index 9a44397..0000000
--- a/3rdParty/CAres/src/ares_search.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/* $Id: ares_search.c,v 1.20 2009-11-02 11:55:53 yangtse Exp $ */
-
-/* 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"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#ifdef HAVE_STRINGS_H
-#  include <strings.h>
-#endif
-
-#include "ares.h"
-#include "ares_private.h"
-
-struct search_query {
-  /* Arguments passed to ares_search */
-  ares_channel channel;
-  char *name;                   /* copied into an allocated buffer */
-  int dnsclass;
-  int type;
-  ares_callback callback;
-  void *arg;
-
-  int status_as_is;             /* error status from trying as-is */
-  int next_domain;              /* next search domain to try */
-  int trying_as_is;             /* current query is for name as-is */
-  int timeouts;                 /* number of timeouts we saw for this request */
-  int ever_got_nodata;          /* did we ever get ARES_ENODATA along the way? */
-};
-
-static void search_callback(void *arg, int status, int timeouts,
-                            unsigned char *abuf, int alen);
-static void end_squery(struct search_query *squery, int status,
-                       unsigned char *abuf, int alen);
-static int cat_domain(const char *name, const char *domain, char **s);
-static int single_domain(ares_channel channel, const char *name, char **s);
-
-void ares_search(ares_channel channel, const char *name, int dnsclass,
-                 int type, ares_callback callback, void *arg)
-{
-  struct search_query *squery;
-  char *s;
-  const char *p;
-  int status, ndots;
-
-  /* If name only yields one domain to search, then we don't have
-   * to keep extra state, so just do an ares_query().
-   */
-  status = single_domain(channel, name, &s);
-  if (status != ARES_SUCCESS)
-    {
-      callback(arg, status, 0, NULL, 0);
-      return;
-    }
-  if (s)
-    {
-      ares_query(channel, s, dnsclass, type, callback, arg);
-      free(s);
-      return;
-    }
-
-  /* Allocate a search_query structure to hold the state necessary for
-   * doing multiple lookups.
-   */
-  squery = malloc(sizeof(struct search_query));
-  if (!squery)
-    {
-      callback(arg, ARES_ENOMEM, 0, NULL, 0);
-      return;
-    }
-  squery->channel = channel;
-  squery->name = strdup(name);
-  if (!squery->name)
-    {
-      free(squery);
-      callback(arg, ARES_ENOMEM, 0, NULL, 0);
-      return;
-    }
-  squery->dnsclass = dnsclass;
-  squery->type = type;
-  squery->status_as_is = -1;
-  squery->callback = callback;
-  squery->arg = arg;
-  squery->timeouts = 0;
-  squery->ever_got_nodata = 0;
-
-  /* Count the number of dots in name. */
-  ndots = 0;
-  for (p = name; *p; p++)
-    {
-      if (*p == '.')
-        ndots++;
-    }
-
-  /* If ndots is at least the channel ndots threshold (usually 1),
-   * then we try the name as-is first.  Otherwise, we try the name
-   * as-is last.
-   */
-  if (ndots >= channel->ndots)
-    {
-      /* Try the name as-is first. */
-      squery->next_domain = 0;
-      squery->trying_as_is = 1;
-      ares_query(channel, name, dnsclass, type, search_callback, squery);
-    }
-  else
-    {
-      /* Try the name as-is last; start with the first search domain. */
-      squery->next_domain = 1;
-      squery->trying_as_is = 0;
-      status = cat_domain(name, channel->domains[0], &s);
-      if (status == ARES_SUCCESS)
-        {
-          ares_query(channel, s, dnsclass, type, search_callback, squery);
-          free(s);
-        }
-      else
-      {
-        /* failed, free the malloc()ed memory */
-        free(squery->name);
-        free(squery);
-        callback(arg, status, 0, NULL, 0);
-      }
-    }
-}
-
-static void search_callback(void *arg, int status, int timeouts,
-                            unsigned char *abuf, int alen)
-{
-  struct search_query *squery = (struct search_query *) arg;
-  ares_channel channel = squery->channel;
-  char *s;
-
-  squery->timeouts += timeouts;
-
-  /* Stop searching unless we got a non-fatal error. */
-  if (status != ARES_ENODATA && status != ARES_ESERVFAIL
-      && status != ARES_ENOTFOUND)
-    end_squery(squery, status, abuf, alen);
-  else
-    {
-      /* Save the status if we were trying as-is. */
-      if (squery->trying_as_is)
-        squery->status_as_is = status;
-
-      /*
-       * If we ever get ARES_ENODATA along the way, record that; if the search
-       * should run to the very end and we got at least one ARES_ENODATA,
-       * then callers like ares_gethostbyname() may want to try a T_A search
-       * even if the last domain we queried for T_AAAA resource records
-       * returned ARES_ENOTFOUND.
-       */
-      if (status == ARES_ENODATA)
-        squery->ever_got_nodata = 1;
-
-      if (squery->next_domain < channel->ndomains)
-        {
-          /* Try the next domain. */
-          status = cat_domain(squery->name,
-                              channel->domains[squery->next_domain], &s);
-          if (status != ARES_SUCCESS)
-            end_squery(squery, status, NULL, 0);
-          else
-            {
-              squery->trying_as_is = 0;
-              squery->next_domain++;
-              ares_query(channel, s, squery->dnsclass, squery->type,
-                         search_callback, squery);
-              free(s);
-            }
-        }
-      else if (squery->status_as_is == -1)
-        {
-          /* Try the name as-is at the end. */
-          squery->trying_as_is = 1;
-          ares_query(channel, squery->name, squery->dnsclass, squery->type,
-                     search_callback, squery);
-        }
-      else {
-        if (squery->status_as_is == ARES_ENOTFOUND && squery->ever_got_nodata) {
-          end_squery(squery, ARES_ENODATA, NULL, 0);
-        }
-        else
-          end_squery(squery, squery->status_as_is, NULL, 0);
-      }
-    }
-}
-
-static void end_squery(struct search_query *squery, int status,
-                       unsigned char *abuf, int alen)
-{
-  squery->callback(squery->arg, status, squery->timeouts, abuf, alen);
-  free(squery->name);
-  free(squery);
-}
-
-/* Concatenate two domains. */
-static int cat_domain(const char *name, const char *domain, char **s)
-{
-  size_t nlen = strlen(name);
-  size_t dlen = strlen(domain);
-
-  *s = malloc(nlen + 1 + dlen + 1);
-  if (!*s)
-    return ARES_ENOMEM;
-  memcpy(*s, name, nlen);
-  (*s)[nlen] = '.';
-  memcpy(*s + nlen + 1, domain, dlen);
-  (*s)[nlen + 1 + dlen] = 0;
-  return ARES_SUCCESS;
-}
-
-/* Determine if this name only yields one query.  If it does, set *s to
- * the string we should query, in an allocated buffer.  If not, set *s
- * to NULL.
- */
-static int single_domain(ares_channel channel, const char *name, char **s)
-{
-  size_t len = strlen(name);
-  const char *hostaliases;
-  FILE *fp;
-  char *line = NULL;
-  int status;
-  size_t linesize;
-  const char *p, *q;
-  int error;
-
-  /* If the name contains a trailing dot, then the single query is the name
-   * sans the trailing dot.
-   */
-  if (name[len - 1] == '.')
-    {
-      *s = strdup(name);
-      return (*s) ? ARES_SUCCESS : ARES_ENOMEM;
-    }
-
-  if (!(channel->flags & ARES_FLAG_NOALIASES) && !strchr(name, '.'))
-    {
-      /* The name might be a host alias. */
-      hostaliases = getenv("HOSTALIASES");
-      if (hostaliases)
-        {
-          fp = fopen(hostaliases, "r");
-          if (fp)
-            {
-              while ((status = ares__read_line(fp, &line, &linesize))
-                     == ARES_SUCCESS)
-                {
-                  if (strncasecmp(line, name, len) != 0 ||
-                      !ISSPACE(line[len]))
-                    continue;
-                  p = line + len;
-                  while (ISSPACE(*p))
-                    p++;
-                  if (*p)
-                    {
-                      q = p + 1;
-                      while (*q && !ISSPACE(*q))
-                        q++;
-                      *s = malloc(q - p + 1);
-                      if (*s)
-                        {
-                          memcpy(*s, p, q - p);
-                          (*s)[q - p] = 0;
-                        }
-                      free(line);
-                      fclose(fp);
-                      return (*s) ? ARES_SUCCESS : ARES_ENOMEM;
-                    }
-                }
-              free(line);
-              fclose(fp);
-              if (status != ARES_SUCCESS)
-                return status;
-            }
-          else
-            {
-              error = errno;
-              switch(error)
-                {
-                case ENOENT:
-                case ESRCH:
-                  break;
-                default:
-                  DEBUGF(fprintf(stderr, "fopen() failed with error: %d %s\n",
-                                 error, strerror(error)));
-                  DEBUGF(fprintf(stderr, "Error opening file: %s\n",
-                                 hostaliases));
-                  *s = NULL;
-                  return ARES_EFILE;
-                }
-            }
-        }
-    }
-
-  if (channel->flags & ARES_FLAG_NOSEARCH || channel->ndomains == 0)
-    {
-      /* No domain search to do; just try the name as-is. */
-      *s = strdup(name);
-      return (*s) ? ARES_SUCCESS : ARES_ENOMEM;
-    }
-
-  *s = NULL;
-  return ARES_SUCCESS;
-}