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HAProxy - Load balancer
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Willy Tarreau cf8871ae40 BUILD: compat: provide relaxed versions of the MIN/MAX macros 
In 3.0 the MIN/MAX macros were converted to compound expressions with
commit 0999e3d959 ("CLEANUP: compat: make the MIN/MAX macros more
reliable"). However with older compilers these are not supported out
of code blocks (e.g. to initialize variables or struct members). This
is the case on Solaris 10 with gcc-5.5 when QUIC doesn't compile
anymore with the future pool registration:

  In file included from include/haproxy/quic_tx.h:26:0,
                   from src/quic_tx.c:15:
  include/haproxy/compat.h:106:19: error: braced-group within expression allowed only inside a function
   #define MAX(a, b) ({    \
                     ^
  include/haproxy/pool.h:41:11: note: in definition of macro '__REGISTER_POOL'
     .size = _size,           \
             ^
  ...
  include/haproxy/quic_tx-t.h:6:29: note: in expansion of macro 'MAX'
   #define QUIC_MAX_CC_BUFSIZE MAX(QUIC_INITIAL_IPV6_MTU, QUIC_INITIAL_IPV4_MTU)

Let's provide the old relaxed versions as _MIN/_MAX for use with constants
like such cases where it's certain that there is no risk. A previous attempt
using __builtin_constant_p() to switch between the variants did not work,
and it's really not worth the hassle of going this far.
2025-08-06 19:18:42 +02:00
.github CI: github: skip a ssl library version when latest is already in the list 2025-07-07 19:46:07 +02:00
addons MINOR: applet: Add support for flags on applets with a flag about the new API 2025-07-25 15:44:02 +02:00
admin BUG/MINOR: halog: exit with error when some output filters are set simultaneosly 2025-07-17 17:22:37 +02:00
dev DEV: gdb: add a memprofile decoder to the debug tools 2025-07-16 15:33:33 +02:00
doc MINOR: sample: Add le2dec (little endian to decimal) sample fetch 2025-08-05 13:47:53 +02:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include BUILD: compat: provide relaxed versions of the MIN/MAX macros 2025-08-06 19:18:42 +02:00
reg-tests MINOR: sample: Add le2dec (little endian to decimal) sample fetch 2025-08-05 13:47:53 +02:00
scripts BUILD: adjust scripts/build-ssl.sh to modern CMake system of QuicTLS 2025-07-11 05:04:31 +02:00
src BUILD: fcgi: fix the struct name of fcgi_flt_ctx 2025-08-06 16:27:05 +02:00
tests TESTS: Fix build for filltab25.c 2025-04-03 15:59:41 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-2 2025-02-12 13:18:55 +01:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: tevt/dev: Add term_events tool 2025-01-31 10:41:50 +01:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml MEDIUM: mworker: remove USE_SYSTEMD requirement for -Ws 2024-11-20 12:07:38 +01:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.3-dev5 2025-07-28 11:26:22 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL MINOR: version: mention that it's development again 2025-05-28 16:46:15 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile MEDIUM: httpclient: split the CLI from the actual httpclient API 2025-07-01 15:46:04 +02:00
README.md DOC: change the link to the FreeBSD CI in README.md 2024-06-03 15:21:29 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.3-dev5 2025-07-28 11:26:22 +02:00
VERSION [RELEASE] Released version 3.3-dev5 2025-07-28 11:26:22 +02:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.

Installation

The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.

Getting help

The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.

The issue tracker is only for bug reports or feature requests.

Documentation

The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.

Please refer to the following files depending on what you're looking for:

  • INSTALL for instructions on how to build and install HAProxy
  • BRANCHES to understand the project's life cycle and what version to use
  • LICENSE for the project's license
  • CONTRIBUTING for the process to follow to submit contributions

The more detailed documentation is located into the doc/ directory:

License

HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.