Alien-cares

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libcares/CHANGES.0  view on Meta::CPAN

  is capable of defining or providing an IPv6 name server, and the app is
  using ares_init_options() or ares_save_options() at some point to handle
  the name servers, the app will likely lose IPv6 name servers.

* January 28, 2010 (Daniel Stenberg)
- Tommie Gannert pointed out a silly bug in ares_process_fd() since it didn't
  check for broken connections like ares_process() did. Based on that, I
  merged the two functions into a single generic one with two front-ends.

* December 29, 2009 (Yang Tse)
- Laszlo Tamas Szabo adjusted Makefile.msvc compiler options so that where
  run-time error checks enabling compiler option /GZ was used it is replaced
  with equivalent /RTCsu for Visual Studio 2003 and newer versions. Option
  /GX is replaced with equivalent /EHsc for all versions. Also fixed socket
  data type for internal configure_socket function.

* December 21, 2009 (Yang Tse)
- Ingmar Runge noticed that Windows config-win32.h configuration file
  did not include a definition for HAVE_CLOSESOCKET which resulted in
  function close() being inappropriately used to close sockets.

Version 1.7.0 (Nov 30, 2009)

* November 26, 2009 (Yang Tse)
- Larry Lansing fixed ares_parse_srv_reply to properly parse replies
  which might contain non-SRV answers, skipping over potential non-SRV
  ones such as CNAMEs.

* November 23, 2009 (Yang Tse)
- Changed naming convention for c-ares libraries built with MSVC, details
  and build instructions provided in README.msvc file.

* November 22, 2009 (Yang Tse)
- Jakub Hrozek fixed more function prototypes in man pages to sync them
  with the ones declared in ares.h

- Jakub Hrozek renamed addrttl and addr6ttl structs to ares_addrttl and
  ares_addr6ttl in order to prevent name space pollution, along with
  necessary changes to code base and man pages.This change does not break
  ABI, there is no need to recompile existing applications. But existing
  applications using these structs with the old name will need source code
  adjustments when recompiled using c-ares 1.7.0.

* November 21, 2009 (Yang Tse)
- Added manifest stuff to Makefile.msvc.

* November 20, 2009 (Yang Tse)
- Fixed several function prototypes in man pages that were out of sync
  with the ones declared in ares.h.  Added ares_free_data() along with
  man page.  Updated ares_parse_srv_reply() and ares_parse_txt_reply()
  with changes from Jakub Hrozek making these now return linked lists
  instead of arrays, and merging the ares_free_data() adjustments.

* November 10, 2009 (Yang Tse)
- Updated MSVC 6.0 project files to match settings from Makefile.msvc.

* November 9, 2009 (Yang Tse)
- Makefile.msvc is now the reference method to build c-ares and sample
  programs with any MSVC compiler or MS Visual Studio version.  If no
  option or target are specified it builds dynamic and static c-ares
  libraries in debug and release flavours and also builds all sample
  programs using each of the different c-ares libraries.

* November 2, 2009 (Yang Tse)
- Renamed c-ares setup.h to ares_setup.h

* October 31, 2009 (Yang Tse)
- Symbol hiding configure options are named now --enable-symbol-hiding
  and --disable-symbol-hiding in an attempt to make them less ambiguous.

* October 30, 2009 (Yang Tse)
- Many fixes for ares_parse_txt_reply()

* October 29, 2009 (Daniel Stenberg)
- Jakub Hrozek added ares_parse_txt_reply() for TXT parsing

* October 29, 2009 (Yang Tse)
- Updated MSVC 6.0 workspace and project files that allows building
  dynamic and static c-ares libraries in debug and release flavours.
  Additionally each of the three sample programs is built against
  each of the four possible c-ares libraries, generating all this
  a total number of 12 executables and 4 libraries.

* October 28, 2009 (Yang Tse)
- Initial step towards the ability to reduce c-ares exported symbols
  when built as a shared library based on the 'visibility' attribute
  for GNUC and Intel compilers and based on __global for Sun compilers,
  taking also in account __declspec function decoration for Win32 and
  Symbian DLL's.

* October 27, 2009 (Yang Tse)
- Fixed Pelles C Win32 target compilation issues.

* October 23, 2009 (Yang Tse)
- John Engelhart noticed an unreleased problem relative to a duplicate
  ARES_ECANCELLED error code value and missing error code description.

* October 7, 2009 (Yang Tse)
- Overhauled ares__get_hostent() Fixing out of bounds memory overwrite
  triggered with malformed /etc/hosts file. Improving parsing of /etc/hosts
  file. Validating requested address family. Ensuring that failures always
  return a NULL pointer. Adjusting header inclusions.

* October 6, 2009 (Yang Tse)
- Fix ssize_t redefinition errors on WIN64 reported by Alexey Simak.

* September 29, 2009 (Yang Tse)
- Make configure script also check if _REENTRANT definition is required to
  make errno available as a preprocessor macro.

* September 7, 2009 (Yang Tse)
- Add T_SRV portability check to ares_parse_srv_reply.c

* 4 Sep 2009 (Daniel Stenberg)
- Jakub Hrozek added ares_parse_srv_reply() for SRV parsing

* 3 Aug 2009 (Daniel Stenberg)
- Joshua Kwan fixed the init routine to fill in the defaults for stuff that
  fails to get inited by other means. This fixes a case of when the c-ares
  init fails when internet access is fone.

- Timo Teras changed the reason code used in the resolve callback done when
  ares_cancel() is used, to be ARES_ECANCELLED instead of ARES_ETIMEOUT to
  better allow the callback to know what's happening.

* 14 Jul 2009 (Guenter Knauf)
- renamed generated config.h to ares_config.h to avoid any future clashes
  with config.h from other projects.

* June 20 2009 (Yang Tse)
- Refactor how libraries are checked for connect() function in configure
  script and check for connect() as it is done for other functions.

* June 19 2009 (Yang Tse)
- Make sclose() function-like macro definition used to close a socket,
  now solely based on HAVE_CLOSESOCKET and HAVE_CLOSESOCKET_CAMEL
  config file preprocessor definitions

* June 18 2009 (Yang Tse)
- Add CloseSocket camel case function check for configure script.

* June 17 2009 (Yang Tse)
- Check for socket() and closesocket() as it is done for other functions
  in configure script.

* June 11 2009 (Yang Tse)
- Modified buildconf so that when automake runs it copies missing files
  instead of symlinking them.

* June 8 2009 (Yang Tse)
- Removed buildconf.bat from release and daily snapshot archives. This
  file is only for CVS tree checkout builds.

* May 26 2009 (Yang Tse)
- Added --enable-curldebug configure option to enable and disable building
  with the low-level curl debug memory tracking 'feature' to allow decoupled
  setting from --enable-debug, allowing again to build c-ares independently
  out of the CVS tree.

  For the c-ares library option --enable-debug enables debug build features
  which are _not_ related with memory tracking. For the c-ares library when
  --enable-debug is given it does not enable the memory tracking feature. If
  you wish to enable the curl debug memory tracking you must use configure
  option --enable-curldebug explicitily to do so.

  Internally, definition of preprocessor symbol DEBUGBUILD restricts code
  which is only compiled for debug enabled builds. And symbol CURLDEBUG is
  used to differentiate code which is _only_ used for memory tracking.

  Make ares_init(), ares_dup() and ares_init_options() fail returning
  ARES_ENOTINITIALIZED if library initialization has not been performed
  calling ares_library_init().

* May 20 2009 (Yang Tse)
- Added ares_library_init() and ares_library_cleanup() man pages.

* May 19 2009 (Yang Tse)
- Introduced ares_library_init() and ares_library_cleanup() functions.

  This is an API and ABI break for Win32/64 systems. Non-Win32/64 build targets
  using c-ares 1.7.0 can still survive without calling these functions. Read all
  the details on ares_library_init(3) and ares_library_cleanup(3) man pages that
  are included.

  curl/libcurl 7.19.5 is fully compatible with c-ares 1.7.0 on all systems.

  In order to use c-ares 1.7.0 with curl/libcurl on Win32/64 systems it is
  required that curl/libcurl is 7.19.5 or newer. In other words, it is not
  possible on Win32/64 to use c-ares 1.7.0 with a curl/libcurl version less
  than 7.19.5

* May 11 2009 (Daniel Stenberg)
- Gregor Jasny made c-ares link with libtool 's -export-symbols-regex option to
  only expose functions starting with ares_.

* May 7 2009 (Yang Tse)
- Fix an m4 overquoting triggering a spurious 'AS_TR_CPP' symbol definition
  attempt in generated config.h

* May 2 2009 (Yang Tse)
- Use a build-time configured ares_socklen_t data type instead of socklen_t.

* April 21 2009 (Yang Tse)
- Moved potential inclusion of system's malloc.h and memory.h header files to
  setup_once.h.  Inclusion of each header file is based on the definition of
  NEED_MALLOC_H and NEED_MEMORY_H respectively.

* March 11 2009 (Yang Tse)
- Japheth Cleaver fixed acountry.c replacing u_long with unsigned long.

* February 20 2009 (Yang Tse)
- Do not halt compilation when using VS2008 to build a Windows 2000 target.

* February 3 2009 (Phil Blundell)
- If the server returns garbage or nothing at all in response to an AAAA query,
  go on and ask for A records anyway.

* January 31 2009 (Daniel Stenberg)
- ares_gethostbyname() now accepts 'AF_UNSPEC' as a family for resolving
  either AF_INET6 or AF_INET. It works by accepting any of the looksups in the
  hosts file, and it resolves the AAAA field with a fallback to A.

* January 14 2009 (Daniel Stenberg)
- ares.h no longer uses the HAVE_STRUCT_IN6_ADDR define check, but instead it
  now declares the private struct ares_in6_addr for all systems instead of
  relying on one possibly not present in the system.

libcares/CHANGES.0  view on Meta::CPAN

  Here's how I suggest we proceed with the API:

  ares_init() will be primary "channel creator" function.

  ares_init_options() will continue to work exactly like now and before. For
  starters, it will be the (only) way to set the existing options.

  ares_save_options() will continue to work like today, but will ONLY save
  options that you can set today (including ARES_OPT_ROTATE actually) but new
  options that we add may not be saved with this.

  Instead we introduce:

  ares_dup() that instead can make a new channel and clone the config used
  from an existing channel. It will then clone all config options, including
  future new things we add.

  ares_set_*() style functions that set (new) config options. As a start we
  simply add these for new functionality, but over time we can also introduce
  them for existing "struct ares_options" so that we can eventually deprecate
  the two ares_*_options() functions.

  ares_get_*() style functions for extracting info from a channel handle that
  should be used instead of ares_save_options().

* Nov 26 2008 (Yang Tse)
- Brad Spencer provided changes to allow buildconf to work on OS X.

- Gerald Combs fixed a bug in ares_parse_ptr_reply() which would cause a
  buffer to shrink instead of expand if a reply contained 8 or more records.

* Nov 25 2008 (Yang Tse)
- In preparation for the upcomming IPv6 nameservers patch, the internal
  ares_addr union is now changed into an internal struct which also holds
  the address family.

* Nov 19 2008 (Daniel Stenberg)
- Brad Spencer brought the new function ares_gethostbyname_file() which simply
  resolves a host name from the given file, using the regular hosts syntax.

* Nov 1 2008 (Daniel Stenberg)
- Carlo Contavalli added support for the glibc "rotate" option, as documented
  in man resolv.conf:

  causes round robin selection of nameservers from among those listed.  This
  has the effect of spreading the query load among all listed servers, rather
  than having all clients try the first listed server first every time.

  You can enable it with ARES_OPT_ROTATE

* Oct 21 2008 (Yang Tse)
  Charles Hardin added handling of EINPROGRESS for UDP connects.

* Oct 18 2008 (Daniel Stenberg)
  Charles Hardin made adig support a regular numerical dotted IP address for the
  -s option as well.

* Oct 7 2008 (Yang Tse)
- Added --enable-optimize configure option to enable and disable compiler
  optimizations to allow decoupled setting from --enable-debug.

* Oct 2 2008 (Yang Tse)
- Added --enable-warnings configure option to enable and disable strict
  compiler warnings to allow decoupled setting from --enable-debug.

* Sep 17 2008 (Yang Tse)
- Code reorganization to allow internal/private use of "nameser.h" to any
  system that lacks arpa/nameser.h or arpa/nameser_compat.h header files.

* Sep 16 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_writev to any
  system that lacks the writev function.

* Sep 15 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_strcasecmp to any
  system that lacks the strcasecmp function.

- Improve configure detection of some string functions.

* Sep 11 2008 (Yang Tse)
- Code reorganization to allow internal/private use of ares_strdup to any
  system that lacks the strdup function.

Version 1.5.3 (Aug 29, 2008)

* Aug 25 2008 (Yang Tse)
- Improvement by Brad House:

  This patch addresses an issue in which a response could be sent back to the
  source port of a client from a different address than the request was made to.
  This is one form of a DNS cache poisoning attack.

  The patch simply uses recvfrom() rather than recv() and validates that the
  address returned from recvfrom() matches the address of the server we have
  connected to. Only necessary on UDP sockets as they are connection-less, TCP
  is unaffected.

- Fix by George Neill:
  Fixed compilation of acountry sample application failure on some systems.

* Aug 4 2008 (Daniel Stenberg)
- Fix by Tofu Linden:

  The symptom:
  * Users (usually, but not always) on 2-Wire routers and the Comcast service
  and a wired connection to their router would find that the second and
  subsequent DNS lookups from fresh processes using c-ares to resolve the same
  address would cause the process to never see a reply (it keeps polling for
  around 1m15s before giving up).

  The repro:
  * On such a machine (and yeah, it took us a lot of QA to find the systems
  that reproduce such a specific problem!), do 'ahost www.secondlife.com',
  then do it again.  The first process's lookup will work, subsequent lookups
  will time-out and fail.

  The cause:
  * init_id_key() was calling randomize_key() *before* it initialized
  key->state, meaning that the randomness generated by randomize_key() is
  immediately overwritten with deterministic values. (/dev/urandom was also
  being read incorrectly in the c-ares version we were using, but this was
  fixed in a later version.)
  * This makes the stream of generated query-IDs from any new c-ares process
  be an identical and predictable sequence of IDs.
  * This makes the 2-Wire's default built-in DNS server detect these queries
  as probable-duplicates and (erroneously) not respond at all.


* Aug 4 2008 (Yang Tse)
- Autoconf 2.62 has changed the behaviour of the AC_AIX macro which we use.
  Prior versions of autoconf defined _ALL_SOURCE if _AIX was defined. 2.62
  version of AC_AIX defines _ALL_SOURCE and other four preprocessor symbols
  no matter if the system is AIX or not. To keep the traditional behaviour,
  and an uniform one across autoconf versions AC_AIX is replaced with our
  own internal macro CARES_CHECK_AIX_ALL_SOURCE.

* Aug 1 2008 (Yang Tse)
- Configure process now checks if the preprocessor _REENTRANT symbol is already
  defined. If it isn't currently defined a set of checks are performed to test
  if its definition is required to make visible to the compiler a set of *_r
  functions. Finally, if _REENTRANT is already defined or needed it takes care
  of making adjustments necessary to ensure that it is defined equally for the
  configure process tests and generated config file.

* Jul 20 2008 (Yang Tse)
- When recvfrom prototype uses a void pointer for arguments 2, 5 or 6 this will
  now cause the definition, as appropriate, of RECVFROM_TYPE_ARG2_IS_VOID,
  RECVFROM_TYPE_ARG5_IS_VOID or RECVFROM_TYPE_ARG6_IS_VOID.

* Jul 17 2008 (Yang Tse)
- RECVFROM_TYPE_ARG2, RECVFROM_TYPE_ARG5 and RECVFROM_TYPE_ARG6 are now defined
  to the data type pointed by its respective argument and not the pointer type.

* Jul 16 2008 (Yang Tse)
- Improved configure detection of number of arguments for getservbyport_r.
  Detection is now based on compilation checks instead of linker ones.

- Configure process now checks availability of recvfrom() socket function and
  finds out its return type and the types of its arguments. Added definitions
  for non-configure systems config files, and introduced macro sreadfrom which
  will be used on udp sockets as a recvfrom() wrapper in the future.

* Jul 15 2008 (Yang Tse)
- Introduce definition of _REENTRANT symbol in setup.h to improve library
  usability.  Previously the configure process only used the AC_SYS_LARGEFILE
  macro for debug builds, now it is also used for non-debug ones enabling the
  use of configure options --enable-largefile and --disable-largefile which
  might be needed for library compatibility.  Remove checking the size of
  curl_off_t, it is no longer needed.

* Jul 3 2008 (Daniel Stenberg)
- Phil Blundell: If you ask ares_gethostbyname() to do an AF_INET6 lookup and
  the target host has only A records, it automatically falls back to an
  AF_INET lookup and gives you the A results.  However, if the target host has
  a CNAME record, this behaviour is defeated since the original query does
  return some data even though ares_parse_aaa_reply() doesn't consider it
  relevant. Here's a small patch to make it behave the same with and without
  the CNAME.

* Jul 2 2008 (Yang Tse)
- Fallback to gettimeofday when monotonic clock is unavailable at run-time.

* Jun 30 2008 (Daniel Stenberg)

- As was pointed out to me by Andreas Schuldei, the MAXHOSTNAMELEN define is
  not posix or anything and thus c-ares failed to build on hurd (and possibly
  elsewhere). The define was also somewhat artificially used in the windows
  port. Now, I instead rewrote the use of gethostbyname to enlarge the host
  name buffer in case of need and totally avoid the use of the MAXHOSTNAMELEN
  define. I thus also removed the defien from the namser.h file where it was
  once added for the windows build.

  I also fixed init_by_defaults() function to not leak memory in case if
  error.

* Jun 9 2008 (Yang Tse)

- Make libcares.pc generated file for pkg-config include information relative
  to the libraries needed for the static linking of c-ares.

* May 30 2008 (Yang Tse)

- Brad House fixed a missing header file inclusion in adig sample program.

Version 1.5.2 (May 29, 2008)

* May 13 2008 (Daniel Stenberg)

- Introducing millisecond resolution support for the timeout option. See
  ares_init_options()'s ARES_OPT_TIMEOUTMS.

* May 9 2008 (Yang Tse)

- Use monotonic time source if available, for private function ares__tvnow()

* May 7 2008 (Daniel Stenberg)

- Sebastian made c-ares able to return all PTR-records when doing reverse
  lookups. It is not common practice to have multiple PTR-Records for a single
  IP, but its perfectly legal and some sites have those.

- Doug Goldstein provided a configure patch: updates autoconf 2.13 usage to
  autoconf 2.57 usage (which is the version you have specified as the minimum
  version). It's a minor change but it does clean up some warnings with newer
  autoconf (specifically 2.62).

libcares/CHANGES.0  view on Meta::CPAN

* October 24

- The released ares_version.h from 1.2.1 says 1.2.0 due to a maketgz flaw.
  This is now fixed.

Version 1.2.1 (October 20, 2004)

* September 29

- Henrik Stoerner fix: got a report that Tru64 Unix (the unix from Digital
  when they made Alpha's) uses /etc/svc.conf for the purpose fixed below for
  other OSes. He made c-ares check for and understand it if present.

- Now c-ares will use local host name lookup _before_ DNS resolving by default
  if nothing else is told.

* September 26

- Henrik Stoerner: found out that c-ares does not look at the /etc/host.conf
  file to determine the sequence in which to search /etc/hosts and DNS.  So on
  systems where this order is defined by /etc/host.conf instead of a "lookup"
  entry in /etc/resolv.conf, c-ares will always default to looking in DNS
  first, and /etc/hosts second.

  c-ares now looks at

  1) resolv.conf (for the "lookup" line);
  2) nsswitch.fon (for the "hosts:" line);
  3) host.conf (for the "order" line).

  First match wins.

- Dominick Meglio patched: C-ares on Windows assumed that the HOSTS file is
  located in a static location. It assumed
  C:\Windows\System32\Drivers\Etc. This is a poor assumption to make. In fact,
  the location of the HOSTS file can be changed via a registry setting.

  There is a key called DatabasePath which specifies the path to the HOSTS
  file:
  http://www.microsoft.com/technet/itsolutions/network/deploy/depovg/tcpip2k.mspx

  The patch will make c-ares correctly consult the registry for the location
  of this file.

* August 29

- Gisle Vanem fixed the MSVC build files.

* August 20

- Gisle Vanem made c-ares build and work with his Watt-32 TCP/IP stack.

* August 13

- Harshal Pradhan made a minor syntax change in ares_init.c to make it build
  fine with MSVC 7.1

* July 24

- Made the lib get built static only if --enable-debug is used.

- Gisle Vanem fixed:

  Basically in loops like handle_errors(), 'query->next' was assigned a local
  variable and then query was referenced after the memory was freed by
  next_server(). I've changed that so next_server() and end_query() returns
  the next query. So callers should use this ret-value.

  The next problem was that 'server->tcp_buffer_pos' had a random value at
  entry to 1st recv() (luckily causing Winsock to return ENOBUFS).

  I've also added a ares_writev() for Windows to streamline the code a bit
  more.

* July 20
- Fixed a few variable return types for some system calls. Made configure
  check for ssize_t to make it possible to use that when receiving the send()
  error code. This is necessary to prevent compiler warnings on some systems.

- Made configure create config.h, and all source files now include setup.h that
  might include the proper config.h (or a handicrafted alternative).

- Switched to 'ares_socket_t' type for sockets in ares, since Windows don't
  use 'int' for that.

- automake-ified and libool-ified c-ares. Now it builds libcares as a shared
  lib on most platforms if wanted. (This bloated the size of the release
  archive with another 200K!)

- Makefile.am now uses Makefile.inc for the c sources, h headers and man
  pages, to make it easier for other makefiles to use the exact same set of
  files.

- Adjusted 'maketgz' to use the new automake magic when building distribution
  archives.

- Anyone desires HTML and/or PDF versions of the man pages in the release
  archives?

* July 3
- Günter Knauf made c-ares build and run on Novell Netware.

* July 1
- Gisle Vanem provided Makefile.dj to build with djgpp, added a few more djgpp
  fixes and made ares not use 'errno' to provide further info on Windows.

* June 30
- Gisle Vanem made it build with djgpp and run fine with the Watt-32 stack.

* June 10
- Gisle Vanem's init patch for Windows:

  The init_by_resolv_conf() function fetches the DNS-server(s)
  from a series of registry branches.

  This can be wrong in the case where DHCP has assigned nameservers, but the
  user has overridden these servers with other prefered settings. Then it's
  wrong to use the DHCPNAMESERVER setting in registry.

  In the case of no global DHCP-assigned or fixed servers, but DNS server(s)
  per adapter, one has to query the adapter branches.  But how can c-ares know
  which adapter is valid for use? AFAICS it can't. There could be one adapter
  that is down (e.g. a VPN adapter).

  So it's better to leave this to the IP Helper API (iphlapi) available in
  Win-98/2000 and later. My patch falls-back to the old way if not available.

* June 8
- James Bursa fixed an init issue for RISC OS.

* May 11
- Nico Stappenbelt reported that when processing domain and search lines in
  the resolv.conf file, the first entry encountered is processed and used as
  the search list. According to the manual pages for both Linux, Solaris and
  Tru64, the last entry of either a domain or a search field is used.

  This is now adjusted in the code

Version 1.2.0 (April 13, 2004)

* April 2, 2004
- Updated various man pages to look nicer when converted to HTML on the web
  site.

* April 1, 2004
- Dirk Manske provided a new function that is now named ares_cancel(). It is
  used to cancel/cleanup a resolve/request made using ares functions on the
  given ares channel. It does not destroy/kill the ares channel itself.

- Dominick Meglio cleaned up the formatting in several man pages.

* March 30, 2004
- Dominick Meglio's new ares_expand_string. A helper function when decoding
  incoming DNS packages.

- Daniel Stenberg modified the Makefile.in to use a for loop for the man page
  installation to improve overview and make it easier to add man pages.

Version 1.1.0 (March 11, 2004)

* March 9, 2004
- Gisle Vanem improved build on Windows.

* February 25, 2004
- Dan Fandrich found a flaw in the Feb 22 fix.

- Added better configure --enable-debug logic (taken from the curl configure
  script). Added acinclude.m4 to the tarball.

* February 23, 2004
- Removed ares_free_errmem(), the function, the file and the man page. It was
  not used and it did nothing.

- Fixed a lot of code that wasn't "64bit clean" and thus caused a lot of
  compiler warnings on picky compilers.

* February 22, 2004
- Dominick Meglio made ares init support multiple name servers in the
  NameServer key on Windows.

* February 16, 2004
- Modified ares_private.h to include libcurl's memory debug header if
  CURLDEBUG is set. This makes all the ares-functions supervised properly by
  the curl test suite. This also forced me to add inclusion of the
  ares_private.h header in a few more files that are using some kind of
  memory-related resources.

- Made the makefile only build ahost and adig if 'make demos' is used.

* February 10, 2004
- Dirk Manske made ares_version.h installed with 'make install'

* February 4, 2004
- ares_free_errmem() is subject for removal, it is simply present for future
  purposes, and since we removed the extra parameter in strerror() it won't
  be used by c-ares!
- configure --enable-debug now enables picky compiler options if gcc is used
- fixed several compiler warnings --enable-debug showed and Joerg Mueller-Tolk
  reported

Version 1.0.0 (February 3, 2004)

* February 3, 2004
- now we produce the libcares.a library instead of the previous libares.a
  since we are no longer compatible

* February 2, 2004

- ares_strerror() has one argument less. This is the first official
  modification of the existing provided ares API.

* January 29, 2004

- Dirk Manske fixed how the socket is set non-blocking.

* January 4, 2004

- Dominick Meglio made the private gettimeofday() become ares_gettimeofday()
  instead in order to not pollute the name space and risk colliding with
  other libraries' versions of this function.

* October 24, 2003. Daniel Stenberg

  Added ares_version().

Version 1.0-pre1 (8 October 2003)

- James Bursa made it run on RISC OS

- Dominick Meglio made it run fine on NT4

- Duncan Wilcox made it work fine on Mac OS X

- Daniel Stenberg adjusted the windows port

- liren at vivisimo.com made the initial windows port

* Imported the sources from ares 1.1.1