Changes in version 2.0.22-stable (5 Jan 2015)

SECURITY FIXES (evbuffers)
 o Avoid integer overflow bugs in evbuffer_add() and related functions.  See CVE-2014-6272 advisory for more information. (20d6d4458bee5d88bda1511c225c25b2d3198d6c)

BUGFIXES (evhttp)
 o fix #73 and fix http_connection_fail_test to catch it (crash fix) (b618204 Greg Hazel)
 o Avoid racy bufferevent activation (5eb1788 Nate Rosenblum)

BUGFIXES (compilation and portability)
 o Fix compilation with WIN32_HAVE_CONDITION_VARIABLES enabled (7e45739)
 o Fix missing AC_PROG_SED on older Autoconfs (9ab2b3f Tay Ray Chuan)
 o Backport libevent to vanilla Autoconf 2.59 (as used in RHEL5) (74d4c44 Kevin Bowling)
 o Use AC_CONFIG_HEADERS in place of AM_CONFIG_HEADERS for autmake 1.13 compat (817ea36)
 o Rename configure.in to configure.ac to appease newer autoconfs (0c79787)
 o Avoid using top_srcdir in TESTS: new automakes do not like this (a55514e)
 o Use windows vsnprintf fixup logic on all windows environments (e826f19)
 o Fix a compiler warning when checking for arc4random_buf linker breakage. (5cb3865)
 o Fix another arc4random_buf-related warning (e64a2b0)
 o Add -Qunused-arguments for clang on macos (b56611d Trond Norbye)

BUGFIXES (resource leaks/lock errors on error)
 o Avoid leaking fds on evconnlistener with no callback set (69db261)
 o Avoid double-close on getsockname error in evutil_ersatz_socketpair (0a822a6)
 o Fix a locking error in bufferevent_socket_get_dns_error. (0a5eb2e)
 o libevent/win32_dealloc() : fix sizeof(pointer) vs sizeof(*pointer) (b8f5980 Frank Denis)

BUGFIXES: (other stability)
 o bufferevent_pair: don't call downcast(NULL) (f2428a2)
 o Consistently check for failure from evbuffer_pullup() (60f8f72)
 o Fix race caused by event_active (3c7d6fc vjpai)

BUGFIXES (miscellaneous)
 o Avoid redundant invocations of init_extension_functions for IOCP (3b77d62)
 o Typo fixes from Linus Nordberg (cec62cb, 8cd695b)
 o Add a few files created by "make verify" to .gitignore. (1a8295a Pierre Phaneuf)
 o regress_buffer: fix 'memcmp' compare size (79800df Maks Naumov)
 o Fix bufferevent setwatermark suspend_read (b34e4ac ufo2243)
 o Fix evbuffer_peek() with len==-1 and start_at non-NULL. (fb7e76a)

BUFGIXES (evdns)
 o Checking request nameserver for NULL, before using it. (5c710c0 Belobrov Andrey)
 o Fix SEGFAULT after evdns_base_resume if no nameservers installed. (f8d7df8 Azat Khuzhin)
 o Fix a crash in evdns related to shutting down evdns (9f39c88,e8fe749)

BUGFIXES (epoll)
 o Check does arch have the epoll_create and __NR_epoll_wait syscalls. (dfe1e52 Marcin Juszkiewicz)

BUGFIXES (evutil_secure_random)
 o Avoid other RNG initialization FS reads when urandom file is specified (9695e9c, bb52471)
 o When we seed from /proc/sys/kernel/random/uuid, count it as success (e35b540)
 o Document that arc4random is not a great cryptographic PRNG. (6e49696)
 o Add evutil_secure_rng_set_urandom_device_file (2bbb5d7)
 o Really remove RNG seeds from the stack (f5ced88)


DOCUMENTATION FIXES
 o Fix a mistake in evbuffer_remove() arguments in example http server code (c322c20 Gyepi Sam)
 o Fix a typo in a comment in buffer.h. Spotted by Alt_F4 (773b0a5)
 o Clarify event_base_loop exit conditions (031a803)
 o Use FindClose for handle from FindFirstFile in http-server.c (6466e88)
 o Fix a typo in a doxygen comment. Reported by 亦得. (be1aeff)


Changes in version 2.0.21-stable (18 Nov 2012)
BUGFIXES:
 o ssl: Don't discard SSL read event when timeout and read come close together (576b29f)
 o ssl: Stop looping in "consider_reading" if reading is suspended. (f719b8a Joachim Bauch)
 o ssl: No need to reserve space if reading is suspended. (1acf2eb Joachim Bauch)
 o dns: Avoid a memory-leak on OOM in evdns. (73e85dd, f2bff75 George Danchev)
 o build: Use python2 rather than python (0eb0109 Ross Lagerwall)
 o build: Compile without warnings on mingw64 (94866c2)
 o build: Fix compilation on mingw64 with -DUSE_DEBUG (62bd2c4)
 o build: Make rpcgen_wrapper.sh work on systems without a "python2" binary (f3009e4)
 o iocp: Close IOCP listener socket on free when LEV_OPT_CLOSE_ON_FREE is set (cb853ea Juan Pablo Fernandez)
 o core: Avoid crash when event_pending() called with no event_base set on event (e3cccf3)
 o misc: remove stray 'x' so print_err will compile when uncommented (ac35650 Patrick Pelletier)
 o tests: Fix renegotiation test to work around openssl 1.0.1 bug (c2f3086)
 o tests: Warn when openssl version in unit test mismatches compiled version. (ac009f9)


Changes in version 2.0.20-stable (23 Aug 2012)
BUGFIXES:
 o core: Make event_pending() threadsafe. (be7a95c Simon Liu)
 o win32: avoid crash when waiting forever on zero fds. (160e58b)
 o evhttp: Fix a memory leak on error in evhttp_uriencode (11c8b31)
 o evbuffer: Avoid possible needless call to writev. Found by coverity. (6a4ec5c)
 o evdns: memset sockaddr_in before using it. Found by coverity. (a1a0e67)
 o evhttp: Check more setsockopt return values when binding sockets. Found by coverity (a0912e3)
 o evdns: Avoid segfault on weird timeout during name lookup. (dc32077 Greg Hazel)
 o bufferevent_ssl: Correctly invoke callbacks when a SSL bufferevent reads some and then blocks. (606ac43)


PORTABILITY FIXES:
 o check for arc4random_buf at runtime, on OS X (bff5f94 Greg Hazel)
 o Correctly check for arc4random_buf (fcec3e8 Sebastian Hahn)
 o Add explicit AC_PROG_SED to configure.in so all autoconfs will expose $(SED) (ca80ea6)

BUILD FIXES:
 o Add GCC annotations so that the vsprintf functions get checked properly (117e327)
 o Fix an unused variable warning on *BSD. (c0720c1)

UNIT TEST FIXES:
 o Fix a couple of memory leaks (found with Valgrind). (3b2529a Ross Lagerwall)
 o Remove deadcode in http regression tests. Found by coverity. (5553346)
 o Fix possible uninitialized read in dns regression tests. Found by coverity. (2259777)
 o Set umask before calling mkstemp in unit tests. Found by coverity (f1ce15d)
 o Fix various check-after-dereference issues in unit tests: found by coverity (4f3732d)
 o Fix resource leaks in the unit tests; found by coverity (270f279)
 o Add some missing null checks to unit tests; found by coverity (f021c3d)
 o Avoid more crashes/bad calls in unit tests; found by coverity (3cde5bf)
 o Remove unused variable; spotted by coverity (6355b2a)
 o Add checks to various return values in unit tests. Found by coverity (b9e7329)
 o Move assignment outside tt_assert in ssl unit tests. Appeases coverity. (a2006c0)



Changes in version 2.0.19-stable (3 May 2012)
BUGFIXES (CORE):
 o Refactor event_persist_closure: raise and extract some common logic (bec22b4)
 o If time has jumped so we'd reschedule a periodic event in the past, schedule it for the future instead (dfd808c)
 o If a higher-priority event becomes active, don't continue running events of the current priority. (2bfda40)

BUGFIXES (SSL):
 o Fixed potential double-readcb execution with openssl bufferevents. (4e62cd1 Mark Ellzey)

BUGFIXES (DNS):
 o Cancel a probe request when the server is freed, and ignore cancelled probe callbacks (94d2336 Greg Hazel)
 o Remove redundant DNS_ERR_CANCEL check, move comment (46b8060 Greg Hazel)
 o When retransmitting a timed-out DNS request, pick a fresh nameserver. (3d9e52a)

DOCUMENTATION FIXES:
 o Fix a typo in the bufferevent documentation (98e9119)
 o Add missing ) to changelog; spotted by rransom (4c7ee6b)
 o Fix the website URL in the readme (f775521)

COMPILATION FIXES:
 o Fix a compilation error with MSVC 2005 due to use of mode_t (336dcae)
 o Configure with gcc older than 2.95 (4a6fd43 Sebastian Hahn)
 o Generate event-config.h with a single sed script (30b6f88 Zack Weinberg)

FORWARD-COMPATIBILITY:
 o Backport: provide EVENT_LOG_* names, and deprecate _EVENT_LOG_* (d1a03b2)

TESTING/DEBUGGING SUPPORT:
 o dns-example.c can now take a resolv.conf file on the commandline (6610fa5)
 o Make some evdns.c debug logs more verbose (d873d67)
 o Work-around a stupid gcov-breaking bug in OSX 10.6 (b3887cd)



Changes in version 2.0.18-stable (22 Mar 2012)
BUGFIXES (core):
 o Make uses of open() close-on-exec safe by introducing an internal evutil_open_closeonexec. (d2b5f72 Ross Lagerwall, 03dce42)

BUGFIXES (kqueue):
 o Properly zero the kevent in kq_setup_kevent() (c2c7b39 Sebastian Hahn)

BUILD FIXES:
 o Added OPENSSL_LDFLAGS env variable which is appended to SSL checks. (9278196 Mark Ellzey)
 o Changed OPENSSL_LDFLAGS to OPENSSL_LIBADD (2d67b63 Mark Ellzey)
 o Don't do clang version detection when disabling some flags (083296b Sebastian Hahn)

BUGFIXES (dns):
 o Stop crashing in evdns when nameserver probes give a weird error (bec5068)


Changes in version 2.0.17-stable (10 Feb 2012)

BUGFIXES (core):
 o Be absolutely sure to clear pncalls before leaving event_signal_closure (11f36a5)
 o check for sysctl before we use it (358c745 Mike Frysinger)
 o Remove bogus casts of socket to int before calling ev_callback (f032516)
 o Make evconnlistener work around bug in older Linux when getting nmapped (ecfc720)
 o Fix a list corruption bug when using event_reinit() with signals present (6e41cdc)
 o Fix a fd leak in event_reinit() (3f18ad1)
 o Do a memberwise comparison of threading function tables (c94a5f2 Nate R)
 o Use C-style comments in C source files (for compatibility with compilers such as xlc on AIX). (d84d917 Greg Hewgill)
 o Avoid crash when freeing event_iocp and using event_set_mem_functions (19715a6)
 o In the kqueue backend, do not report EBADF as an EV_READ (5d7bfa1 Nicholas Marriott)

BUGFIXES (evbuffer and bufferevents):
 o Fix behavior of evbuffer_peek(buf,-1,NULL,NULL,0) (c986f23 Zack Weinberg)
 o Loop on filtering SSL reads until we are blocked or exhausted. (5b4b812)

BUGFIXES (evhttp):
 o Force strict validation of HTTP version in response. (790f6b3 Catalin Patulea)

BUGFIXES (evdns):
 o evdns: fix a bug in circular-queue implementation (d6094b1)

BUILD FIXES:
 o Fix a silly compilation error with the sun compiler (1927776 Colin Watt)
 o Suppress a gcc warning from ignoring fwrite return in http-sample.c (7206e8c)

DOCUMENTATION FIXES:
 o Slightly clarify evbuffer_peek documentation (7bbf6ca)
 o Update copyright notices to 2012 (e49e289)

NEW APIS:
 o Backport evhttp_connection_get_bufferevent to Libevent 2.0 (da70fa7 Arno Bakker)

TESTS AND TEST FIXES:
 o Fix a race condition in the dns/bufferevent_connect_hostname test. (cba48c7)
 o Add function to check referential integrity of an event_base (27737d5)
 o Check event_base correctness at end of each unit test (3312b02)
 o Workaround in the unit tests for an apparent epoll bug in Linux 3.2 (dab9187)
 o Better workaround for Linux 3.2 edge-triggered epoll bug (9f9e259)

Changes in version 2.0.16-stable (18 Nov 2011)
BUGFIXES (core):
 o More detailed message in case of libevent self-debugging failure. (9e6a4ef Leonid Evdokimov)
 o epoll: close fd on alloc fail at initialization (1aee718 Jamie Iles)
 o Fix compile warning from saying event2/*.h inside a comment (447b0ba)
 o Warn when unable to construct base because of failing make_base_notifiable (4e797f3)
 o Don't try to make notifiable event_base when no threading fns are configured (e787413)

BUGFIXES (evbuffer):
 o unit test for remove_buffer bug (90bd620 Greg Hazel)
 o Fix an evbuffer crash in evbuffer_remove_buffer() (c37069c)

BUGFIXES (bufferevent_openssl):
 o Refactor amount-to-read calculations in buffervent_ssl consider_reading() (a186e73 Mark Ellzey)
 o Move SSL rate-limit enforcement into bytes_to_read() (96c562f)
 o Avoid spinning on OpenSSL reads (2aa036f Mark Ellzey)

BUGFIXES (dns)
 o Empty DNS reply with OK status is another way to say NODATA. (21a08d6 Leonid Evdokimov)

TESTING:
 o Tests for 94fba5b and f72e8f6 (d58c15e Leonid Evdokimov)
 o Test for commit aff6ba1 (f7841bf Leonid Evdokimov)
 o Style and comment tweaks for dns/leak* tests (5e42202)
 o improve test to remove at least one buffer from src (7eb52eb Greg Hazel)

DOCUMENTATION:
 o Add note about evhttp_send_reply_end to its doxygen (724bfb5)
 o Update copyright dates to 2011. (3c824bd)
 o Fix typo in whatsnew-2.0.txt (674bc6a Mansour Moufid)
 o Improve win32 behavior of dns-sample.c code (a3f320e Gisle Vanem)



Changes in version 2.0.15-stable (12 Oct 2011)
BUGFIXES (DNS):
 o DNS: add ttl for negative answers using RFC 2308 idea. (f72e8f6 Leonid Evdokimov)
 o Add DNS_ERR_NODATA error code to handle empty replies. (94fba5b Leonid Evdokimov)

BUFGIXES (bufferevents and evbuffers):
 o Make evbuffer callbacks get the right n_added value after evbuffer_add (1ef1f68 Alex)
 o Prefer mmap to sendfile unless a DRAINS_TO_FD flag is set. Allows add_file to work with SSL. (0ba0af9)

BUGFIXES (event loop):
 o When a signal callback is activated to run multiple times, allow event_base_loopbreak to work even before they all have run. (4e8eb6a)

DOCUMENTATION FIXES:
 o Fix docstring in dns.h (2b6eae5 Leonid Evdokimov)
 o refer to non-deprecated evdns functions in comments (ba5c27d Greg Hazel)

BUILD AND TESTING FIXES:
 o le-proxy and regress depend on openssl directly (9ae061a Sergey Avseyev)
 o Use _SOURCES, not _sources, in sample/Makefile.am (7f82382)
 o Fixed compiler warnings for unchecked read/write calls. (c3b62fd Mark Ellzey)
 o Make write-checking fixes use tt_fail_perror (2b76847)
 o Fix some "value never used" warnings with gcc 4.6.1 (39c0cf7)



Changes in version 2.0.14-stable (31 Aug 2011)
BUGFIXES (bufferevents and evbuffers):
 o Propagate errors on the underlying bufferevent to the user. (4a34394 Joachim Bauch)
 o Ignore OpenSSL deprecation warnings on OS X (5d1b255 Sebastian Hahn)
 o Fix handling of group rate limits under 64 bytes of burst (6d5440e)
 o Solaris sendfile: correctly detect amount of data sent (643922e Michael Herf)
 o Make rate limiting work with common_timeout logic (5b18f13)
 o clear read watermark on underlying bufferevent when creating filtering bev to fix potentially failing fragmented ssl handshakes (54f7e61 Joachim Bauch)

BUGFIXES (IOCP):
 o IOCP: don't launch reads or writes on an unconnected socket (495c227)
 o Make IOCP rate-limiting group support stricter and less surprising. (a98da7b)
 o Have test-ratelim.c support IOCP (0ff2c5a)
 o Make overlapped reads result in evbuffer callbacks getting invoked (6acfbdd)
 o Correctly terminate IO on an async bufferevent on bufferevent_free (e6af35d)

BUGFIXES (other):
 o Fix evsig_dealloc memory leak with debugging turned on. (9b724b2 Leonid Evdokimov)
 o Fix request_finished memory leak with debugging turned on. (aff6ba1 Leonid Evdokimov)

BUILD AND TESTING FIXES:
 o Allow OS-neutral builds for platforms where some versions have arc4random_buf (b442302 Mitchell Livingston)
 o Try to fix 'make distcheck' errors when building out-of-tree (04656ea Dave Hart)
 o Clean up some problems identified by Coverity. (7c11e51 Harlan Stenn)


Changes in version 2.0.13-stable (18 Jul 2011)
BUGFIXES
 o Avoid race-condition when initializing global locks (b683cae)
 o Fix bug in SSL bufferevents backed by a bev with a write high-watermarks (e050703 Joachim Bauch)
 o Speed up invoke_callbacks on evbuffers when there are no callbacks (f87f568 Mark Ellzey)
 o Avoid a segfault when all methods are disabled or broken (27ce38b)
 o Fix incorrect results from evbuffer_search_eol(EOL_LF) (4461f1a)
 o Add some missing checks for mm_calloc failures (89d5e09)
 o Replace an assertion for event_base_free(NULL) with a check-and-warn (09fe97d)
 o Report kqueue ebadf, epipe, and eperm as EV_READ events (1fd34ab)
 o Check if the `evhttp_new_object' function in `http.c' returns NULL. (446cc7a Mansour Moufid)
 o Use the correct printf args when formatting size_t (3203f88)
 o Complain if the caller tries to change threading cbs after setting them (cb6ecee)

DOCUMENTATION FIXES AND IMPROVEMENTS
 o Revise the event/evbuffer/bufferevent doxygen for clarity and accuracy (2888fac)
 o Update Doxyfile to produce more useful output (aea0555)

TEST FIXES
 o Fix up test_evutil_snprintf (caf695a)
 o Fix tinytest invocation from windows shell (57def34 Ed Day)

BUILD FIXES
 o Use AM_CPPFLAGS in sample/Makefile.am, not AM_CFLAGS (4a5c82d)
 o Fix select.c compilation on systems with no NFDBITS (49d1136)
 o Fix a few warnings on OpenBSD (8ee9f9c Nicholas Marriott)
 o Don't break when building tests from git without python installed (b031adf)
 o Don't install event_rpcgen.py when --disable-libevent-install is used (e23cda3 Harlan Stenn)
 o Fix AIX build issue with TAILQ_FOREACH definition (e934096)


Changes in version 2.0.12-stable (4 Jun 2011)
BUGFIXES
 o Fix a warn-and-fail bug in kqueue by providing kevent() room to report errors (28317a0)
 o Fix an assert-inducing fencepost bug in the select backend (d90149d)
 o Fix failing http assertion introducd in commit 0d6622e (0848814 Kevin Ko)
 o Fix a bug that prevented us from configuring IPv6 nameservers. (74760f1)
 o Prevent size_t overflow in evhttp_htmlescape. (06c51cd Mansour Moufid)
 o Added several checks for under/overflow conditions in evhttp_handle_chunked_read (a279272 Mark Ellzey)
 o Added overflow checks in evhttp_read_body and evhttp_get_body (84560fc Mark Ellzey)

DOCUMENTATION:
 o Add missing words to EVLOOP_NONBLOCK documentation (9556a7d)

BUILD FIXES
 o libssl depends on libcrypto, not the other way around. (274dd03 Peter Rosin)
 o Libtool brings in the dependencies of libevent_openssl.la automatically (7b819f2 Peter Rosin)
 o Use OPENSSL_LIBS in Makefile.am (292092e Sebastian Hahn)
 o Move the win32 detection in configure.in (ceb03b9 Sebastian Hahn)
 o Correctly detect openssl on windows (6619385 Sebastian Hahn)
 o Fix a compile warning with zlib 1.2.4 and 1.2.5 (5786b91 Sebastian Hahn)
 o Fix compilation with GCC 2, which had no __builtin_expect (09d39a1 Dave Hart)
 o Fix new warnings from GCC 4.6 (06a714f)
 o Link with -lshell32 and -ladvapi32 on Win32. (86090ee Peter Rosin)
 o Make the tests build when OpenSSL is not available. (07c41be Peter Rosin)
 o Bring in the compile script from automake, if needed. (f3c7a4c Peter Rosin)
 o MSVC does not provide S_ISDIR, so provide it manually. (70be7d1 Peter Rosin)
 o unistd.h and sys/time.h might not exist. (fe93022 Peter Rosin)
 o Make sure TINYTEST_LOCAL is defined when building tinytest.c (8fa030c Peter Rosin)
 o Fix winsock2.h #include issues with MSVC (3d768dc Peter Rosin)
 o Use evutil_gettimeofday instead of relying on the system gettimeofday. (0de87fe Peter Rosin)
 o Always use evutil_snprintf, even if OS provides it (d1b2d11 Sebastian Hahn)
 o InitializeCriticalSectionAndSpinCount requires _WIN32_WINNT >= 0x0403. (816115a Peter Rosin)
 o cygwin: make it possible to build DLLs (d54d3fc)



Changes in version 2.0.11-stable (27 Apr 2011)
  [Autogenerated from the Git log, sorted and cleaned by hand.]
BUGFIXES:
 o Fix evport handling of POLLHUP and POLLERR (b42ce4b)
 o Fix compilation on Windows with NDEBUG (cb8059d)
 o Check for POLLERR, POLLHUP and POLLNVAL for Solaris event ports (0144886 Trond Norbye)
 o Detect and handle more allocation failures. (666b096 Jardel Weyrich)
 o Use event_err() only if the failure is truly unrecoverable. (3f8d22a Jardel Weyrich)
 o Handle resize failures in the select backend better. (83e805a)
 o Correctly free selectop fields when select_resize fails in select_init (0c0ec0b)
 o Make --enable-gcc-warnings a no-op if not using gcc (3267703)
 o Fix a type error in our (unused) arc4random_stir() (f736198)
 o Correctly detect and stop non-chunked http requests when the body is too long (63a715e)
 o Have event_base_gettimeofday_cached() always return wall-clock time (a459ef7)
 o Workaround for http crash bug 3078187 (5dc5662 Tomash Brechko)
 o Fix incorrect assertions and possible use-after-free in evrpc_free() (4b8f02f Christophe Fillot)
 o Reset outgoing http connection when read data in idle state. (272823f Tomash Brechko)
 o Fix subtle recursion in evhttp_connection_cb_cleanup(). (218cf19 Tomash Brechko)
 o Fix the case when failed evhttp_make_request() leaved request in the queue. (0d6622e Tomash Brechko)
 o Fix a crash bug in evdns server circular list code (00e91b3)
 o Handle calloc failure in evdns. (Found by Dave Hart) (364291e)
 o Fix a memory leak on win32 socket->event map. (b4f89f0)
 o Add a forgotten NULL check to evhttp_parse_headers (12311ff Sebastian Hahn)
 o Fix possible NULL-deref in evdns_cancel_request (5208544 Sebastian Hahn)

PORTABILITY:
 o Fall back to sscanf if we have no other way to implement strtoll (453317b)
 o Build correctly on platforms without sockaddr_storage (9184563)
 o Try to build correctly on platforms with no IPv6 support (713c254)
 o Build on systems without AI_PASSIVE (cb92113)
 o Fix http unit test on non-windows platforms without getaddrinfo (6092f12)
 o Do not check for gethostbyname_r versions if we have getaddrinfo (c1260b0)
 o Include arpa/inet.h as needed on HPUX (10c834c Harlan Stenn)
 o Include util-internal.h as needed to build on platforms with no sockaddr_storage (bbf5515 Harlan Stenn)
 o Check for getservbyname even if not on win32. (af08a94 Harlan Stenn)
 o Add -D_OSF_SOURCE to fix hpux builds (0b33479 Harlan Stenn)
 o Check for allocation failures in apply_socktype_protocol_hack (637d17a)
 o Fix the check for multicast or broadcast addresses in evutil_check_interfaces (1a21d7b)
 o Avoid a free(NULL) if out-of-memory in evdns_getaddrinfo. Found by Dave Hart (3417f68)

DEFENSIVE PROGRAMMING:
 o Add compile-time check for AF_UNSPEC==PF_UNSPEC (3c8f4e7)

BUGS IN TESTS:
 o Fix test.sh output on solaris (b4f89b6 Dave Hart)
 o Make test-eof fail with a timeout if we never get an eof. (05a2c22 Harlan Stenn)
 o Use %s with printf in test.sh (039b9bd)
 o Add an assert to appease clang's static analyzer (b0ff7eb Sebastian Hahn)
 o Add a forgotten return value check in the unit tests (3819b62 Sebastian Hahn)
 o Actually send NULL request in http_bad_request_test (b693c32 Sebastian Hahn)
 o add some (void) casts for unused variables (65707d7 Sebastian Hahn)
 o Refactor test_getaddrinfo_async_cancel_stress() (48c44a6 Sebastian Hahn)
 o Be nice and "handle" error return values in sample code (4bac793 Sebastian Hahn)
 o Check return value of evbuffer_add_cb in tests (93a1abb Sebastian Hahn)
 o Remote some dead code from dns-example.c (744c745 Sebastian Hahn)
 o Zero a struct sockaddr_in before using it (646f9fe Sebastian Hahn)

BUILD FIXES:
 o Fix warnings about AC_LANG_PROGRAM usage (f663112 Sebastian Hahn)
 o Skip check for zlib if we have no zlib.h (a317c06 Harlan Stenn)
 o Fix autoconf bracket issues; make check for getaddrinfo include netdb.h (833e5e9 Harlan Stenn)
 o Correct an AM_CFLAGS to an AM_CPPFLAGS in test/Makefile.am (9c469db Dave Hart)
 o Fix make distcheck & installation of libevent 1 headers (b5a1f9f Dave Hart)
 o Fix compilation under LLVM/clang with --enable-gcc-warnings (ad9ff58 Sebastian Hahn)

FEATURES:
 o Make URI parser able to tolerate nonconformant URIs. (95060b5)

DOCUMENTATION:
 o Clarify event_set_mem_functions doc (926f816)
 o Correct evhttp_del_accept_socket documentation on whether socket is closed (f665924)
 o fix spelling mistake in whatsnew-2.0.txt (deb2f73)
 o Fix sample/http-server ipv6 fixes (eb692be)
 o Comment internal headers used in sample code. (4eb281c)
 o Be explicit about how long event loops run in event.h documentation (f95bafb)
 o Add comment to configure.in to explain gc-sections test logic (c621359)
 o Fix a couple of memory leaks in samples/http-server.c. Found by Dave Hart. (2e9f665)

BUILD IMPROVEMENTS:
 o Use the gcc -ffunction-segments feature to allow gc when linking with static libevent (0965c56 Dave Hart)
 o Add configure options to disable installation, regression tests (49e9bb7 Dave Hart)



Changes in version 2.0.10-stable (16 Dec 2010)
  [Autogenerated from the Git log, sorted and cleaned by hand.]
BUGFIXES
 o Minor fix for IOCP shutdown handling fix (2599b2d Kelly Brock)
 o Correctly notify the main thread when activating an event from a subthread (5beeec9)
 o Reject overlong http requests early when Expect:100-continue is set (d23839f Constantine Verutin)
 o EVUTIL_ASSERT: Use sizeof() to avoid "unused variable" warnings with -DNDEBUG. (b63ab17 Evan Jones)

CODE CLEANUPS
 o bufferevent-internal.h: Use the new event2/util.h header, not evutil.h (ef5e65a Evan Jones)
 o Use relative includes instead of system includes consistently. (fbe64f2 Evan Jones)
 o Make whitespace more consistent

TESTING
 o tests: Use new event2 headers instead of old compatibility headers. (4f33209 Evan Jones)

DOCUMENTATION
 o Document that the cpu_hint is only used on Windows with IOCP for now (57689c4)
 o Add stuff to "whats new in 2.0" based on reading include changes since August. (18adc3f)


Changes in 2.0.9-rc (30 Nov 2010):
  [Autogenerated from the Git log, sorted and cleaned by hand.]
NEW AND MODIFIED APIs
 o Add a function to change a listener's callback. (46ee061)
 o Make evbuffer_add_file take ev_off_t, not off_t (ac7e52d)
 o Make rate-limits go up to SIZE_MAX/EV_SSIZE_MAX, not just INT32_MAX (2cbb1a1)
 o Add a bufferevent_get_base function (aab49b6
...