Version 4.6.3

Building WeeChat 4.6.0 on OpenBSD failed with the following error.

> /usr/ports/pobj/weechat-4.6.0/weechat-4.6.0/src/plugins/perl/weechat-perl.c:356:13: error: expected ')'
>             function) < 0)
>             ^
> /usr/ports/pobj/weechat-4.6.0/weechat-4.6.0/src/plugins/perl/weechat-perl.c:352:9: note: to match this '('
>     if (weechat_asprintf (
>         ^
> /usr/ports/pobj/weechat-4.6.0/weechat-4.6.0/src/plugins/perl/../weechat-plugin.h:1312:31: note: expanded from macro 'weechat_asprintf'
>     (weechat_plugin->asprintf)(__result, __fmt, ##__argz)

On further inspection, the line in question was recently altered in
099e11d7b8, where a comma was forgotten in the
else branch of the MULTIPLICITY ifdef.

After adding the comma, WeeChat builds as usual.

.github/workflows/ci.yml

@@ -92,7 +92,7 @@ env:
     ruby
     rubygem-asciidoctor
     sudo
-    tcl87
+    tcl86
     zstd
 
 jobs:
@@ -381,9 +381,7 @@ jobs:
           /usr/local/bin/python3.11 \
           /usr/local/bin/python3.11-config \
         ;
-        # workaround for https://github.com/actions/runner-images/issues/10984
-        brew uninstall --ignore-dependencies --force pkg-config@0.29.2
-        brew install asciidoctor aspell cjson guile lua ruby
+        brew install asciidoctor aspell cjson guile lua pkg-config ruby
 
     - uses: actions/checkout@v4
 

AUTHORS.md

@@ -28,6 +28,7 @@ Alphabetically:
 - Christian Heinz
 - Christopher O'Neill (deltafire)
 - coypoop
+- Daniel Lublin
 - Danilo Spinella
 - David Flatz
 - Dmitry Kobylin
@@ -63,6 +64,7 @@ Alphabetically:
 - jesopo
 - Jim Ramsay (lack)
 - Jiri Golembiovsky (GolemJ)
+- Joe Hermaszewski
 - Joey Pabalinas (alyptik)
 - Johan Rylander
 - Johannes Kuhn

CHANGELOG.md

@@ -1,5 +1,81 @@
 # WeeChat ChangeLog
 
+## Version 4.6.3 (2025-05-11)
+
+### Fixed
+
+- core: fix integer overflow with decimal numbers in calculation of expression
+- core: fix integer overflow in base32 encoding/decoding
+- core: fix integer overflow in function util_version_number
+- core: fix buffer overflow in function util_parse_time
+- core: fix buffer overflow in function eval_syntax_highlight_colorize
+- core: fix buffer overflow in function eval_string_base_encode
+- core: fix buffer overflow in function eval_string_range_chars
+- core: fix memory leak in function util_parse_delay
+
+## Version 4.6.2 (2025-04-18)
+
+### Fixed
+
+- core: fix write of weechat.log to stdout with `weechat-headless --stdout` ([#2247](https://github.com/weechat/weechat/issues/2247))
+- core: add refresh of window title on buffer switch, when option weechat.look.window_title is set
+
+## Version 4.6.1 (2025-04-09)
+
+### Fixed
+
+- core: consider all keys are safe in cursor context ([#2244](https://github.com/weechat/weechat/issues/2244))
+- irc: display nick changes and quit messages when option irc.look.ignore_tag_messages is enabled ([#2241](https://github.com/weechat/weechat/issues/2241))
+- perl: fix build when multiplicity is not available ([#2243](https://github.com/weechat/weechat/issues/2243))
+
+## Version 4.6.0 (2025-03-23)
+
+### Changed
+
+- core: add option `-v` to display upgrades in command `/version`
+- api: add property `keep_spaces_right` in function hook_set to keep trailing spaces in command arguments
+- core, irc, alias, xfer: keep spaces at the end of some commands, where trailing spaces are important
+- irc: add option `-connected` in command `/server list|listfull`
+- buflist: apply option buflist.look.nick_prefix_empty also on private and list buffers
+- xfer: compute speed and ETA with microsecond precision ([#665](https://github.com/weechat/weechat/issues/665))
+
+### Added
+
+- core: add command `/pipe`
+- core: add option `whitespace` in command `/debug`, add options weechat.look.whitespace_char and weechat.look.tab_whitespace_char ([#947](https://github.com/weechat/weechat/issues/947))
+- core: add option weechat.completion.nick_ignore_words ([#1143](https://github.com/weechat/weechat/issues/1143))
+- spell: add CMake options ASPELL_DICT_DIR and ENCHANT_MYSPELL_DICT_DIR to override dictionaries locations ([#1174](https://github.com/weechat/weechat/issues/1174))
+- api: add function completion_set
+- relay/api: add resource `POST /api/completion` ([#2207](https://github.com/weechat/weechat/issues/2207))
+- relay/api: add default key `Alt`+`Ctrl`+`l` (L) to toggle between remote and local commands on remote buffers, add option `togglecmd` in command `/remote`, add options relay.api.remote_input_cmd_local and relay.api.remote_input_cmd_remote ([#2148](https://github.com/weechat/weechat/issues/2148))
+
+### Fixed
+
+- relay: fix crash after `/upgrade` when relay clients are connected
+- core: save configuration files as UTF-8 when the locale is wrong
+- api: fix creation of empty buffer in function infolist_new_var_buffer
+- core: fix build with gcc 15 ([#2229](https://github.com/weechat/weechat/issues/2229), [#2230](https://github.com/weechat/weechat/issues/2230))
+- core: fix detection of dl library ([#2218](https://github.com/weechat/weechat/issues/2218))
+- logger: fix path displayed when the logs directory can not be created
+- perl: fix build with Perl < 5.7.29 ([#2219](https://github.com/weechat/weechat/issues/2219), [#2220](https://github.com/weechat/weechat/issues/2220))
+- python: enable subinterpreters ([#2222](https://github.com/weechat/weechat/issues/2222))
+
+## Version 4.5.2 (2025-02-20)
+
+### Fixed
+
+- core: fix build with gcc 15 ([#2229](https://github.com/weechat/weechat/issues/2229), [#2230](https://github.com/weechat/weechat/issues/2230))
+
+## Version 4.5.1 (2024-12-23)
+
+### Fixed
+
+- relay: fix crash after `/upgrade` when relay clients are connected
+- api: fix creation of empty buffer in function infolist_new_var_buffer
+- core: fix detection of dl library ([#2218](https://github.com/weechat/weechat/issues/2218))
+- logger: fix path displayed when the logs directory can not be created
+- perl: fix build with Perl < 5.7.29 ([#2219](https://github.com/weechat/weechat/issues/2219), [#2220](https://github.com/weechat/weechat/issues/2220))
+
 ## Version 4.5.0 (2024-12-15)
 
 ### Changed

CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007-2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2008-2009 Emmanuel Bouthenot <kolter@openics.org>
 #
@@ -166,6 +166,16 @@ if(ENABLE_TESTS AND NOT ENABLE_HEADLESS)
   message(FATAL_ERROR "Headless mode is required for tests.")
 endif()
 
+# Set this to override aspell's dictionaries directory
+if(ASPELL_DICT_DIR)
+  add_definitions(-DASPELL_DICT_DIR="${ASPELL_DICT_DIR}")
+endif()
+
+# Set this to override the myspell dictionaries directory when using enchant
+if(ENCHANT_MYSPELL_DICT_DIR)
+  add_definitions(-DENCHANT_MYSPELL_DICT_DIR="${ENCHANT_MYSPELL_DICT_DIR}")
+endif()
+
 # option WEECHAT_HOME
 set(WEECHAT_HOME "${WEECHAT_HOME}" CACHE
   STRING "Force a single WeeChat home directory for config, logs, scripts, etc."
@@ -247,9 +257,7 @@ find_library(DL_LIBRARY
   PATHS /lib /usr/lib /usr/libexec /usr/local/lib /usr/local/libexec
 )
 if(DL_LIBRARY)
-  string(REGEX REPLACE "/[^/]*$" "" DL_LIBRARY_PATH "${DL_LIBRARY}")
-  set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -L${DL_LIBRARY_PATH}")
-  list(APPEND EXTRA_LIBS dl)
+  list(APPEND EXTRA_LIBS ${DL_LIBRARY})
 endif()
 
 add_subdirectory(icons)

README.md

@@ -48,7 +48,7 @@ WeeChat is following a "practical" semantic versioning, see file [CONTRIBUTING.m
 
 ## Copyright
 
-Copyright © 2003-2024 [Sébastien Helleu](https://github.com/flashcode)
+Copyright © 2003-2025 [Sébastien Helleu](https://github.com/flashcode)
 
 This file is part of WeeChat, the extensible chat client.
 

UPGRADING.md

@@ -7,6 +7,27 @@ When upgrading from version X to Y, please read and apply all instructions from
 
 For a list of all changes in each version, please see [CHANGELOG.md](CHANGELOG.md).
 
+## Version 4.6.3
+
+### API function util_version_number
+
+An integer overflow has been fixed in the function
+[util_version_number](https://weechat.org/doc/weechat/plugin/#_util_version_number)
+which now returns a version up to "127.255.255.255" (0x7FFFFFFF).
+
+## Version 4.6.0
+
+### Relay remote commands
+
+Commands on remote buffers can now be toggled: execution on remote WeeChat or
+locally, with a new default key: `Alt`+`Ctrl`+`l` (L).
+
+You can add this key with this command:
+
+```text
+/key missing
+```
+
 ## Version 4.3.1
 
 ### Detection of libgcrypt

cmake/FindAsciidoctor.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindAspell.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindCppUTest.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2014-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2014-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindGettext.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #

cmake/FindGuile.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2011-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2011-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindIconv.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindLua.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindNcurses.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindPHP.cmake

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2017 Adam Saponara <as@php.net>
-# Copyright (C) 2017-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2017-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindPerl.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/FindPython.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Julien Louis <ptitlouis@sysif.net>
 #
 # This file is part of WeeChat, the extensible chat client.

cmake/FindV8.cmake

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2015-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2015-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

cmake/cmake_uninstall.cmake.in

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

debian-devel/control

@@ -24,7 +24,7 @@ Build-Depends:
     libzstd-dev,
     zlib1g-dev,
     libcjson-dev
-Standards-Version: 4.7.0
+Standards-Version: 4.7.2
 Homepage: https://weechat.org/
 Vcs-Git: https://salsa.debian.org/kolter/weechat.git
 Vcs-Browser: https://salsa.debian.org/kolter/weechat

debian-stable/changelog

@@ -1,3 +1,16 @@
+weechat (4.6.1-1) unstable; urgency=medium
+
+  * New upstream release (Closes: #1102450, #1098090)
+
+ -- Emmanuel Bouthenot <kolter@debian.org>  Wed, 16 Apr 2025 20:31:07 +0000
+
+weechat (4.5.1-1) unstable; urgency=medium
+
+  * New upstream release
+  * Update copyright file (new year)
+
+ -- Emmanuel Bouthenot <kolter@debian.org>  Mon, 20 Jan 2025 14:39:42 +0000
+
 weechat (4.4.3-1) unstable; urgency=medium
 
   * New upstream release

debian-stable/control

@@ -24,7 +24,7 @@ Build-Depends:
     libzstd-dev,
     zlib1g-dev,
     libcjson-dev
-Standards-Version: 4.7.0
+Standards-Version: 4.7.2
 Homepage: https://weechat.org/
 Vcs-Git: https://salsa.debian.org/kolter/weechat.git
 Vcs-Browser: https://salsa.debian.org/kolter/weechat

debian-stable/copyright

@@ -4,7 +4,7 @@ Upstream-Contact: Sébastien Helleu <flashcode@flashtux.org>
 Source: https://weechat.org/
 
 Files: *
-Copyright: 2003-2024, Sébastien Helleu <flashcode@flashtux.org>
+Copyright: 2003-2025, Sébastien Helleu <flashcode@flashtux.org>
 License: GPL-3+
 
 Files: src/core/core-command.c

doc/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #
 # This file is part of WeeChat, the extensible chat client.

doc/cs/includes/man.cs.adoc

@@ -99,7 +99,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat je napsán Sébastienem Helleu a přispěvovateli (kompletní seznam je v
 souboru AUTHORS.md).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/de/includes/man.de.adoc

@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat wird programmiert von Sébastien Helleu und weiteren Beteiligten (eine vollständige Auflistung
 findet man in der AUTHORS.md Datei).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/de/weechat_user.de.adoc

@@ -1764,11 +1764,12 @@ Sie können mit dem Befehl <<command_weechat_key,/key>> geändert und neue hinzu
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| Taste       | Beschreibung | Befehl
-| kbd:[Alt+m] | schaltet Mausfunktion ein/aus. | `+/mouse toggle+`
-| kbd:[Alt+s] | Umschalten der Rechtschreibprüfung. | `+/mute spell toggle+`
-| kbd:[Alt+=] | schaltet Filterfunktion an/aus. | `+/filter toggle+`
-| kbd:[Alt+-] | schaltet, für den aktuellen Buffer, Filterfunktion an/aus. | `+/filter toggle @+`
+| Taste                  | Beschreibung | Befehl
+| kbd:[Alt+m]            | schaltet Mausfunktion ein/aus. | `+/mouse toggle+`
+| kbd:[Alt+s]            | Umschalten der Rechtschreibprüfung. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | schaltet Filterfunktion an/aus. | `+/filter toggle+`
+| kbd:[Alt+-]            | schaltet, für den aktuellen Buffer, Filterfunktion an/aus. | `+/filter toggle @+`
+| kbd:[Alt+Ctrl+l] (`L`) | Umschalten zwischen Remote- und lokalen Befehlen in einem Remote-Buffer (relay "api"). | `+/remote togglecmd+`
 |===
 
 [[key_bindings_search_context]]

doc/docinfo.html

@@ -1,6 +1,6 @@
 <!--
   Custom styles for Asciidoctor
-  Copyright (C) 2016-2024 Sébastien Helleu <flashcode@flashtux.org>
+  Copyright (C) 2016-2025 Sébastien Helleu <flashcode@flashtux.org>
 -->
 <style>
 

doc/en/includes/man.en.adoc

@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.md file).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/en/weechat_dev.en.adoc

@@ -577,7 +577,7 @@ Example in C:
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2024 Your Name <your@email.com>
+ * Copyright (C) 2025 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

doc/en/weechat_plugin_api.en.adoc

@@ -10981,6 +10981,11 @@ _WeeChat ≥ 4.1.0._
 
 URL transfer.
 
+This function is similar to <<_hook_process,hook_process>> and
+<<_hook_process_hashtable,hook_process_hashtable>> with command "url:..."
+but it uses a thread instead of new process, making it more lightweight
+and thus recommended for this usage.
+
 Prototype:
 
 [source,c]
@@ -14014,6 +14019,10 @@ Properties:
 | Name of sub plugin (commonly script name, which is displayed in
   `/help command` for a hook of type _command_).
 
+| keep_spaces_right | 4.6.0 | _command_, _command_run_
+| "0" or "1"
+| Keep trailing spaces in command arguments when it is executed.
+
 | stdin | 0.4.3 | _process_, _process_hashtable_
 | any string
 | Send data on standard input (_stdin_) of child process.
@@ -15519,8 +15528,8 @@ void weechat_window_set_title (const char *title);
 
 Arguments:
 
-* _title_: new title for terminal (NULL to reset title); string is evaluated,
-  so variables like `${info:version}` can be used
+* _title_: new title for terminal; string is evaluated, so variables like
+  `${info:version}` can be used
   (see <<_string_eval_expression,string_eval_expression>>)
 
 C example:
@@ -17083,6 +17092,71 @@ def my_completion_cb(data: str, completion_item: str, buffer: str, completion: s
     return weechat.WEECHAT_RC_OK
 ----
 
+==== completion_set
+
+_WeeChat ≥ 4.6.0._
+
+Set a completion property.
+
+Prototype:
+
+[source,c]
+----
+void weechat_completion_get_string (struct t_gui_completion *completion,
+                                    const char *property,
+                                    const char *value);
+----
+
+Arguments:
+
+* _completion_: completion pointer
+* _property_: property name (see table below)
+* _value_: new value for property
+
+Properties:
+
+[width="100%",cols="^2,^1,4,8",options="header"]
+|===
+| Name | Min WeeChat | Value | Description
+
+| add_space | 4.6.0 | "0" or "1"
+| "0": do not add space after completion +
+  "1": add space after completion (default).
+|===
+
+C example:
+
+[source,c]
+----
+int
+my_completion_cb (const void *pointer, void *data, const char *completion_item,
+                  struct t_gui_buffer *buffer,
+                  struct t_gui_completion *completion)
+{
+    /* do not add space after completion */
+    weechat_completion_set (completion, "add_space", "0");
+
+    /* ... */
+
+    return WEECHAT_RC_OK;
+}
+----
+
+Script (Python):
+
+[source,python]
+----
+# prototype
+def completion_set(completion: str, property: str, value: str) -> int: ...
+
+# example
+def my_completion_cb(data: str, completion_item: str, buffer: str, completion: str) -> int:
+    # do not add space after completion
+    weechat.completion_set(completion, "add_space", "0")
+    # ...
+    return weechat.WEECHAT_RC_OK
+----
+
 ==== completion_list_add
 
 _WeeChat ≥ 2.9._

doc/en/weechat_relay_api.en.adoc

@@ -1184,7 +1184,7 @@ Body parameters:
 
 * `buffer_id` (integer, optional): buffer unique identifier (not to be confused
   with the buffer number, which is different)
-* `buffer` (string, optional, default: `core.weechat`): buffer name
+* `buffer_name` (string, optional, default: `core.weechat`): buffer name
 * `command` (string, **required**): command or text to send to the buffer
 
 Request example: say "hello!" on channel #weechat:
@@ -1192,7 +1192,7 @@ Request example: say "hello!" on channel #weechat:
 [source,shell]
 ----
 curl -L -u 'plain:secret_password' -X POST \
-  -d '{"buffer": "irc.libera.#weechat", "command": "hello!"}' \
+  -d '{"buffer_name": "irc.libera.#weechat", "command": "hello!"}' \
   'https://localhost:9000/api/input'
 ----
 
@@ -1220,6 +1220,58 @@ Response:
 HTTP/1.1 204 No content
 ----
 
+[[resource_completion]]
+=== Completion
+
+Complete user command or text in a buffer.
+
+Endpoint:
+
+----
+POST /api/completion
+----
+
+Body parameters:
+
+* `buffer_id` (integer, optional): buffer unique identifier (not to be confused
+  with the buffer number, which is different)
+* `buffer_name` (string, optional, default: `core.weechat`): buffer name
+* `command` (string, **required**): command or text to complete
+* `position` (integer, optional, default: end of string): position in command
+  (first position is 0)
+
+Request example: complete command `/qu` on channel #weechat:
+
+[source,shell]
+----
+curl -L -u 'plain:secret_password' -X POST \
+  -d '{"buffer_name": "irc.libera.#weechat", "command": "/qu"}' \
+  'https://localhost:9000/api/completion'
+----
+
+Response:
+
+[source,http]
+----
+HTTP/1.1 200 OK
+----
+
+[source,json]
+----
+{
+    "context": "command",
+    "base_word": "qu",
+    "position_replace": 1,
+    "add_space": true,
+    "list": [
+        "query",
+        "quiet",
+        "quit",
+        "quote"
+    ]
+}
+----
+
 [[resource_ping]]
 === Ping
 

doc/en/weechat_user.en.adoc

@@ -1753,11 +1753,12 @@ They can be changed and new ones can be added with the <<command_weechat_key,/ke
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| Key         | Description | Command
-| kbd:[Alt+m] | Toggle mouse. | `+/mouse toggle+`
-| kbd:[Alt+s] | Toggle spell checker. | `+/mute spell toggle+`
-| kbd:[Alt+=] | Toggle filters. | `+/filter toggle+`
-| kbd:[Alt+-] | Toggle filters in current buffer. | `+/filter toggle @+`
+| Key                    | Description | Command
+| kbd:[Alt+m]            | Toggle mouse. | `+/mouse toggle+`
+| kbd:[Alt+s]            | Toggle spell checker. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | Toggle filters. | `+/filter toggle+`
+| kbd:[Alt+-]            | Toggle filters in current buffer. | `+/filter toggle @+`
+| kbd:[Alt+Ctrl+l] (`L`) | Toggle between remote and local commands on a remote buffer (relay "api"). | `+/remote togglecmd+`
 |===
 
 [[key_bindings_search_context]]

doc/fr/includes/man.fr.adoc

@@ -102,7 +102,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat est écrit par Sébastien Helleu et des contributeurs (la liste complète
 est dans le fichier AUTHORS.md).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat est un logiciel libre ; vous pouvez le redistribuer et/ou le modifier
 sous les termes de la GNU General Public License telle que publiée par la

doc/fr/weechat_dev.fr.adoc

@@ -578,7 +578,7 @@ Exemple en C :
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2024 Your Name <your@email.com>
+ * Copyright (C) 2025 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

doc/fr/weechat_plugin_api.fr.adoc

@@ -11185,6 +11185,11 @@ _WeeChat ≥ 4.1.0._
 
 Transfert d'URL.
 
+Cette fonction est similaire à <<_hook_process,hook_process>> et
+<<_hook_process_hashtable,hook_process_hashtable>> avec la commande "url:..."
+mais elle utilise un thread au lieu d'un nouveau processus, la rendant plus
+légère et donc recommandée pour cet usage.
+
 Prototype :
 
 [source,c]
@@ -14327,6 +14332,10 @@ Propriétés :
 | Nom de la sous-extension (couramment un nom de script, qui est affiché dans
   `/help commande` pour un hook de type _command_).
 
+| keep_spaces_right | 4.6.0 | _command_, _command_run_
+| "0" ou "1"
+| Garder les espaces à la fin des paramètres de la commande quand elle est exécutée.
+
 | stdin | 0.4.3 | _process_, _process_hashtable_ | toute chaîne
 | Envoyer les données sur l'entrée standard (_stdin_) du processus fils.
 
@@ -15860,9 +15869,9 @@ void weechat_window_set_title (const char *title);
 
 Paramètres :
 
-* _title_ : nouveau titre pour le terminal (NULL pour réinitialiser le titre) ;
-  la chaîne est évaluée, donc les variables comme `${info:version}` peuvent
-  être utilisées (voir <<_string_eval_expression,string_eval_expression>>)
+* _title_ : nouveau titre pour le terminal ; la chaîne est évaluée, donc les variables
+  comme `${info:version}` peuvent être utilisées
+  (voir <<_string_eval_expression,string_eval_expression>>)
 
 Exemple en C :
 
@@ -17447,6 +17456,71 @@ def my_completion_cb(data: str, completion_item: str, buffer: str, completion: s
     return weechat.WEECHAT_RC_OK
 ----
 
+==== completion_set
+
+_WeeChat ≥ 4.6.0._
+
+Affecter une valeur à une propriété d'une complétion.
+
+Prototype :
+
+[source,c]
+----
+void weechat_completion_get_string (struct t_gui_completion *completion,
+                                    const char *property,
+                                    const char *value);
+----
+
+Paramètres :
+
+* _completion_ : pointeur vers la complétion
+* _property_ : nom de la propriété (voir le tableau ci-dessous)
+* _value_ : nouvelle valeur pour la propriété
+
+Properties:
+
+[width="100%",cols="^2,^1,4,8",options="header"]
+|===
+| Name | Min WeeChat | Value | Description
+
+| add_space | 4.6.0 | "0" or "1"
+| "0": do not add space after completion +
+  "1": add space after completion (default).
+|===
+
+Exemple en C :
+
+[source,c]
+----
+int
+my_completion_cb (const void *pointer, void *data, const char *completion_item,
+                  struct t_gui_buffer *buffer,
+                  struct t_gui_completion *completion)
+{
+    /* ne pas ajouter d'espace après la complétion */
+    weechat_completion_set (completion, "add_space", "0");
+
+    /* ... */
+
+    return WEECHAT_RC_OK;
+}
+----
+
+Script (Python) :
+
+[source,python]
+----
+# prototype
+def completion_set(completion: str, property: str, value: str) -> int: ...
+
+# exemple
+def my_completion_cb(data: str, completion_item: str, buffer: str, completion: str) -> int:
+    # ne pas ajouter d'espace après la complétion
+    weechat.completion_set(completion, "add_space", "0")
+    # ...
+    return weechat.WEECHAT_RC_OK
+----
+
 ==== completion_list_add
 
 _WeeChat ≥ 2.9._

doc/fr/weechat_relay_api.fr.adoc

@@ -1196,7 +1196,7 @@ Paramètres du corps :
 
 * `buffer_id` (entier, facultatif) : identifiant unique du tampon (à ne pas
   confondre avec le numéro du tampon, qui est différent)
-* `buffer_name` (chaîne, facultatif) : nom de tampon
+* `buffer_name` (chaîne, facultatif, par défaut : `core.weechat`) : nom de tampon
 * `command` (chaîne, **obligatoire**) : commande ou texte à envoyer au tampon
 
 Exemple de requête : dire "hello!" sur le canal #weechat :
@@ -1204,7 +1204,7 @@ Exemple de requête : dire "hello!" sur le canal #weechat :
 [source,shell]
 ----
 curl -L -u 'plain:secret_password' -X POST \
-  -d '{"buffer": "irc.libera.#weechat", "command": "hello!"}' \
+  -d '{"buffer_name": "irc.libera.#weechat", "command": "hello!"}' \
   'https://localhost:9000/api/input'
 ----
 
@@ -1232,6 +1232,58 @@ Réponse :
 HTTP/1.1 204 No content
 ----
 
+[[resource_completion]]
+=== Complétion
+
+Compléter une commande ou du texte de l'utilisateur sur un tampon.
+
+Point de terminaison :
+
+----
+POST /api/completion
+----
+
+Paramètres du corps :
+
+* `buffer_id` (entier, facultatif) : identifiant unique du tampon (à ne pas
+  confondre avec le numéro du tampon, qui est différent)
+* `buffer_name` (chaîne, facultatif, par défaut : `core.weechat`) : nom de tampon
+* `command` (chaîne, **obligatoire**) : commande ou texte à compléter
+* `position` (entier, facultatif, par défaut : fin de la chaîne) : position
+  dans la commande (la première position est 0)
+
+Exemple de requête : compléter la commande `/qu` sur le canal #weechat :
+
+[source,shell]
+----
+curl -L -u 'plain:secret_password' -X POST \
+  -d '{"buffer_name": "irc.libera.#weechat", "command": "/qu"}' \
+  'https://localhost:9000/api/completion'
+----
+
+Réponse :
+
+[source,http]
+----
+HTTP/1.1 200 OK
+----
+
+[source,json]
+----
+{
+    "context": "command",
+    "base_word": "qu",
+    "position_replace": 1,
+    "add_space": true,
+    "list": [
+        "query",
+        "quiet",
+        "quit",
+        "quote"
+    ]
+}
+----
+
 [[resource_ping]]
 === Ping
 

doc/fr/weechat_user.fr.adoc

@@ -1788,11 +1788,12 @@ Ils peuvent être modifiés et de nouveaux peuvent être ajoutés avec la comman
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| Touche      | Description | Commande
-| kbd:[Alt+m] | Activer/désactiver la souris. | `+/mouse toggle+`
-| kbd:[Alt+s] | Activer/désactiver la vérification de l'orthographe. | `+/mute spell toggle+`
-| kbd:[Alt+=] | Activer/désactiver les filtres. | `+/filter toggle+`
-| kbd:[Alt+-] | Activer/désactiver les filtres dans le tampon courant. | `+/filter toggle @+`
+| Touche                 | Description | Commande
+| kbd:[Alt+m]            | Activer/désactiver la souris. | `+/mouse toggle+`
+| kbd:[Alt+s]            | Activer/désactiver la vérification de l'orthographe. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | Activer/désactiver les filtres. | `+/filter toggle+`
+| kbd:[Alt+-]            | Activer/désactiver les filtres dans le tampon courant. | `+/filter toggle @+`
+| kbd:[Alt+Ctrl+l] (`L`) | Basculer entre les commandes distantes et locales sur un tampon distant (relay "api"). | `+/remote togglecmd+`
 |===
 
 [[key_bindings_search_context]]

doc/it/includes/man.it.adoc

@@ -103,7 +103,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat is written by Sébastien Helleu and contributors (complete list is in
 the AUTHORS.md file).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/it/weechat_plugin_api.it.adoc

@@ -11394,6 +11394,11 @@ _WeeChat ≥ 4.1.0._
 
 URL transfer.
 
+This function is similar to <<_hook_process,hook_process>> and
+<<_hook_process_hashtable,hook_process_hashtable>> with command "url:..."
+but it uses a thread instead of new process, making it more lightweight
+and thus recommended for this usage.
+
 Prototipo:
 
 [source,c]
@@ -14667,11 +14672,17 @@ Properties:
 
 // TRANSLATION MISSING
 | subplugin | | any type
+
 | qualsiasi stringa |
 // TRANSLATION MISSING
   Name of sub plugin (commonly script name, which is displayed in
   `/help command` for a hook of type _command_).
 
+// TRANSLATION MISSING
+| keep_spaces_right | 4.6.0 | _command_, _command_run_
+| "0" or "1"
+| Keep trailing spaces in command arguments when it is executed.
+
 | stdin | 0.4.3 | _process_, _process_hashtable_ | qualsiasi stringa |
 // TRANSLATION MISSING
   Send data on standard input (_stdin_) of child process.
@@ -16291,8 +16302,8 @@ void weechat_window_set_title (const char *title);
 Argomenti:
 
 // TRANSLATION MISSING
-* _title_: nuovo titolo per il terminale (NULL per resettarlo);
-  string is evaluated, so variables like `${info:version}` can be used
+* _title_: nuovo titolo per il terminale; string is evaluated, so variables
+  like `${info:version}` can be used
   (see <<_string_eval_expression,string_eval_expression>>)
 
 Esempio in C:
@@ -17918,6 +17929,77 @@ def my_completion_cb(data: str, completion_item: str, buffer: str, completion: s
     return weechat.WEECHAT_RC_OK
 ----
 
+==== completion_set
+
+_Novità nella versioe 4.6.0._
+
+// TRANSLATION MISSING
+Set a completion property.
+
+Prototipo:
+
+[source,c]
+----
+void weechat_completion_get_string (struct t_gui_completion *completion,
+                                    const char *property,
+                                    const char *value);
+----
+
+Argomenti:
+
+* _completion_: puntatore al completamento
+// TRANSLATION MISSING
+* _property_: nome della proprietà (see table below)
+// TRANSLATION MISSING
+* _value_: new value for property
+
+// TRANSLATION MISSING
+Properties:
+
+[width="100%",cols="^2,^1,4,8",options="header"]
+|===
+// TRANSLATION MISSING
+| Name | Min WeeChat | Value | Description
+
+// TRANSLATION MISSING
+| add_space | 4.6.0 | "0" or "1"
+| "0": do not add space after completion +
+  "1": add space after completion (default).
+|===
+
+Esempio in C:
+
+[source,c]
+----
+int
+my_completion_cb (const void *pointer, void *data, const char *completion_item,
+                  struct t_gui_buffer *buffer,
+                  struct t_gui_completion *completion)
+{
+    /* do not add space after completion */
+    weechat_completion_set (completion, "add_space", "0");
+
+    /* ... */
+
+    return WEECHAT_RC_OK;
+}
+----
+
+Script (Python):
+
+[source,python]
+----
+# prototipo
+def completion_set(completion: str, property: str, value: str) -> int: ...
+
+# esempio
+def my_completion_cb(data: str, completion_item: str, buffer: str, completion: str) -> int:
+    # do not add space after completion
+    weechat.completion_set(completion, "add_space", "0")
+    # ...
+    return weechat.WEECHAT_RC_OK
+----
+
 ==== completion_list_add
 
 _Novità nella versioe 2.9._

doc/it/weechat_user.it.adoc

@@ -1934,13 +1934,15 @@ They can be changed and new ones can be added with the <<command_weechat_key,/ke
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| Tasti       | Descrizione | Comando
-| kbd:[Alt+m] | Abilita/disabilita. | `+/mouse toggle+`
+| Tasti                  | Descrizione | Comando
+| kbd:[Alt+m]            | Abilita/disabilita. | `+/mouse toggle+`
 // TRANSLATION MISSING
-| kbd:[Alt+s] | Toggle spell checker. | `+/mute spell toggle+`
-| kbd:[Alt+=] | Attiva/disattiva filtri. | `+/filter toggle+`
+| kbd:[Alt+s]            | Toggle spell checker. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | Attiva/disattiva filtri. | `+/filter toggle+`
 // TRANSLATION MISSING
-| kbd:[Alt+-] | Toggle filters in current buffer. | `+/filter toggle @+`
+| kbd:[Alt+-]            | Toggle filters in current buffer. | `+/filter toggle @+`
+// TRANSLATION MISSING
+| kbd:[Alt+Ctrl+l] (`L`) | Toggle between remote and local commands on a remote buffer (relay "api"). | `+/remote togglecmd+`
 |===
 
 // TRANSLATION MISSING

doc/ja/includes/man.ja.adoc

@@ -100,7 +100,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat は Sébastien Helleu さんと貢献者によって作成されています
 (完全なリストは AUTHORS.md ファイルを参照してください)。
 
-著作権 (C) 2003-2024 {author}
+著作権 (C) 2003-2025 {author}
 
 WeeChat はフリーソフトウェアです。あなたはこれを、フリーソフトウェア財団によって発行された
 GNU 一般公衆利用許諾契約書 (バージョン 2 か、希望によってはそれ以降のバージョンのうちどれか)

doc/ja/weechat_dev.ja.adoc

@@ -701,7 +701,7 @@ WeeChat とプラグインの翻訳は gettext で行います、ファイルは
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2024 Your Name <your@email.com>
+ * Copyright (C) 2025 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

doc/ja/weechat_plugin_api.ja.adoc

@@ -11127,6 +11127,11 @@ _WeeChat ≥ 4.1.0._
 
 URL transfer.
 
+This function is similar to <<_hook_process,hook_process>> and
+<<_hook_process_hashtable,hook_process_hashtable>> with command "url:..."
+but it uses a thread instead of new process, making it more lightweight
+and thus recommended for this usage.
+
 プロトタイプ:
 
 [source,c]
@@ -14238,6 +14243,11 @@ void weechat_hook_set (struct t_hook *hook, const char *property,
 | サブプラグインの名前 (通常は `/help command` で _command_
   をタイプした時のフックで表示されるスクリプト名)
 
+// TRANSLATION MISSING
+| keep_spaces_right | 4.6.0 | _command_, _command_run_
+| "0" or "1"
+| Keep trailing spaces in command arguments when it is executed.
+
 | stdin | 0.4.3 | _process_、_process_hashtable_ | 任意の文字列
 | 子プロセスの標準入力 (_stdin_) にデータを送信
 
@@ -15787,8 +15797,8 @@ void weechat_window_set_title (const char *title);
 
 引数:
 
-* _title_: 端末の新しいタイトル (タイトルをリセットする場合は NULL);
-  この文字列は評価されるため、文字列内に `${info:version}` などの変数を含めることが可能です
+* _title_: 端末の新しいタイトル; この文字列は評価されるため、文字列内に
+  `${info:version}` などの変数を含めることが可能です
   (<<_string_eval_expression,string_eval_expression>> を参照)
 
 C 言語での使用例:
@@ -17377,6 +17387,74 @@ def my_completion_cb(data: str, completion_item: str, buffer: str, completion: s
     return weechat.WEECHAT_RC_OK
 ----
 
+==== completion_set
+
+_WeeChat バージョン 4.6.0 以上で利用可。_
+
+// TRANSLATION MISSING
+Set a completion property.
+
+プロトタイプ:
+
+[source,c]
+----
+void weechat_completion_get_string (struct t_gui_completion *completion,
+                                    const char *property,
+                                    const char *value);
+----
+
+引数:
+
+* _completion_: 補完へのポインタ
+* _property_: プロパティ名 (以下の表を参照)
+* _value_: プロパティの新しい値
+
+プロパティ:
+
+[width="100%",cols="^2,^1,4,8",options="header"]
+|===
+// TRANSLATION MISSING
+| Name | Min WeeChat | Value | Description
+
+// TRANSLATION MISSING
+| add_space | 4.6.0 | "0" or "1"
+| "0": do not add space after completion +
+  "1": add space after completion (default).
+|===
+
+C 言語での使用例:
+
+[source,c]
+----
+int
+my_completion_cb (const void *pointer, void *data, const char *completion_item,
+                  struct t_gui_buffer *buffer,
+                  struct t_gui_completion *completion)
+{
+    /* do not add space after completion */
+    weechat_completion_set (completion, "add_space", "0");
+
+    /* ... */
+
+    return WEECHAT_RC_OK;
+}
+----
+
+スクリプト (Python) での使用例:
+
+[source,python]
+----
+# prototype
+def completion_set(completion: str, property: str, value: str) -> int: ...
+
+# example
+def my_completion_cb(data: str, completion_item: str, buffer: str, completion: str) -> int:
+    # do not add space after completion
+    weechat.completion_set(completion, "add_space", "0")
+    # ...
+    return weechat.WEECHAT_RC_OK
+----
+
 ==== completion_list_add
 
 _WeeChat バージョン 2.9 以上で利用可。_

doc/ja/weechat_user.ja.adoc

@@ -1894,11 +1894,13 @@ They can be changed and new ones can be added with the <<command_weechat_key,/ke
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| キー         | 説明 | コマンド
-| kbd:[Alt+m] | マウスの有効無効を切り替え | `+/mouse toggle+`
-| kbd:[Alt+s] | スペルチェッカの有効無効を切り替え | `+/mute spell toggle+`
-| kbd:[Alt+=] | フィルタの有効無効を切り替え | `+/filter toggle+`
-| kbd:[Alt+-] | 現在のバッファのフィルタの有効無効を切り替え | `+/filter toggle @+`
+| キー                   | 説明 | コマンド
+| kbd:[Alt+m]            | マウスの有効無効を切り替え | `+/mouse toggle+`
+| kbd:[Alt+s]            | スペルチェッカの有効無効を切り替え | `+/mute spell toggle+`
+| kbd:[Alt+=]            | フィルタの有効無効を切り替え | `+/filter toggle+`
+| kbd:[Alt+-]            | 現在のバッファのフィルタの有効無効を切り替え | `+/filter toggle @+`
+// TRANSLATION MISSING
+| kbd:[Alt+Ctrl+l] (`L`) | Toggle between remote and local commands on a remote buffer (relay "api"). | `+/remote togglecmd+`
 |===
 
 // TRANSLATION MISSING

doc/pl/includes/cmdline_options.pl.adoc

@@ -33,9 +33,8 @@
 *-h*, *--help*::
     Wyświetla pomoc.
 
-// TRANSLATION MISSING
 *-i*, *--build-info*::
-    Display build information and exit.
+    Wyświetla informację o kompilacji.
 
 *-l*, *--license*::
     Wyświetla licencję.

doc/pl/includes/man.pl.adoc

@@ -101,7 +101,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat jest tworzony przez Sébastien Helleu i społeczność (pełna lista dostępna
 jest w pliku AUTHORS.md).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/pl/weechat_user.pl.adoc

@@ -930,13 +930,11 @@ Pasek _status_ posiada następujące domyślne elementy:
 | buffer_nicklist_count | `4`                    | Ilość nicków wyświetlanych na liście nicków.
 | buffer_zoom           | !                      | `!` oznacza, że połączony bufor jest przybliżony (tylko ten jest wyświetlany), pusta wartość oznacza, że wszystkie połączone bufory są wyświetlane.
 | buffer_filter         | `+*+`                  | Wskaźnik filtrowania: `+*+` oznacza, że niektóre linie zostały odfiltrowywane (ukryte), pusta wartość oznacza, że wszystkie linie są wyświetlane.
-// TRANSLATION MISSING
-| mouse_status          | `M`                    | Mouse status (empty if mouse is disabled), see command <<command_weechat_mouse,/mouse>> and <<key_bindings_toggle_keys,Włącz/wyłącz>>.
+| mouse_status          | `M`                    | Status obsługi myszy (pusty jeśli obsługa myszy jest wyłączona), zobacz <<command_weechat_mouse,/mouse>> i <<key_bindings_toggle_keys,Włącz/wyłącz>>.
 | scroll                | `-Więcej(50)-`         | Wskaźnik przewijania, z numerem linii poniżej ostatniej wyświetlanej.
 | lag                   | `Lag: 2.5`             | Wskaźnik opóźnienia, w sekundach (ukryty dla niskich opóźnień).
 | hotlist               | `H: 3:#abc(2,5), 5`    | Lista buforów z aktywnością (nieprzeczytane wiadomości) (w przykładzie, 2 podświetlenia i 5 nieprzeczytanych wiadomości w _#abc_, jedna wiadomość w buforze #5).
-// TRANSLATION MISSING
-| typing                | `Typing: bob, (alice)` | Typing notification, see <<typing_notifications,Powiadomienia o pisaniu>>.
+| typing                | `Typing: bob, (alice)` | Powiadomienia o pisaniu, zobacz <<typing_notifications,Powiadomienia o pisaniu>>.
 | completion            | `abc(2) def(5)`        | Lista słów do dopełnienia, z ilością możliwych dopełnień dla każdego słowa.
 |===
 
@@ -999,8 +997,7 @@ Inne dostępne elementy (nie używane domyślnie w paskach):
 | irc_nick_host                | `+Flashy!user@host.com+` | Aktualny nick i host IRC.
 | irc_nick_modes               | `i`                      | Atrybuty IRC dla własnego nicka.
 | irc_nick_prefix              | `@`                      | Prefiks nicku na kanale IRC.
-// TRANSLATION MISSING
-| spacer                       |                          | Special item used to align text in bars, see <<item_spacer,Odstęp>>.
+| spacer                       |                          | Specjalny element używany do wyrównania tekstu na paskach, zobacz <<item_spacer,Odstęp>>.
 | spell_dict                   | `fr,en`                  | Słowniki używane w obecnym buforze.
 | spell_suggest                | `print,prone,prune`      | Sugestie dla słowa pod kursorem (jeśli zawiera błąd).
 | tls_version                  | `TLS1.3`                 | Wersja TLS używana przez obecny serwer IRC.
@@ -1764,11 +1761,12 @@ Można je zmienić oraz dodać nowe za pomocą komendy <<command_weechat_key,/ke
 
 [width="100%",cols="^.^3,.^8,.^5",options="header"]
 |===
-| Skrót       | Opis | Komenda
-| kbd:[Alt+m] | Włącz/wyłącz obsługę myszy. | `+/mouse toggle+`
-| kbd:[Alt+s] | Włącz/wyłącz sprawdzenie pisowni. | `+/mute spell toggle+`
-| kbd:[Alt+=] | Włącz/wyłącz filtry. | `+/filter toggle+`
-| kbd:[Alt+-] | Włącz/wyłącz filtry w bieżącym buforze. | `+/filter toggle @+`
+| Skrót                  | Opis | Komenda
+| kbd:[Alt+m]            | Włącz/wyłącz obsługę myszy. | `+/mouse toggle+`
+| kbd:[Alt+s]            | Włącz/wyłącz sprawdzenie pisowni. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | Włącz/wyłącz filtry. | `+/filter toggle+`
+| kbd:[Alt+-]            | Włącz/wyłącz filtry w bieżącym buforze. | `+/filter toggle @+`
+| kbd:[Alt+Ctrl+l] (`L`) | Przełącz między lokalnymi komendami a zdalnym buforem (relay "api"). | `+/remote togglecmd+`
 |===
 
 [[key_bindings_search_context]]
@@ -3434,8 +3432,7 @@ Na przykład w celu połączenia się do https://libera.chat/[libera.chat ^↗^
 ----
 
 [NOTE]
-// TRANSLATION MISSING
-Default port is 6697 and TLS (encrypted traffic) is enabled.
+Domyślny port to 6697 i TLS (szyfrowanie ruchu) jest włączone.
 
 Możesz powiedzieć WeeChat, aby automatycznie łączył się z tym serwerem po
 uruchomieniu:

doc/ru/includes/man.ru.adoc

@@ -99,7 +99,7 @@ $HOME/.local/share/weechat/weechat.log::
 WeeChat написан Sébastien Helleu и другими участниками (полный список находится
 в файле AUTHORS.md).
 
-Copyright (C) 2003-2024 {author}
+Copyright (C) 2003-2025 {author}
 
 WeeChat is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

doc/sr/includes/cmdline_options.sr.adoc

@@ -20,9 +20,8 @@
 *-h*, *--help*::
     Приказује помоћ.
 
-// TRANSLATION MISSING
 *-i*, *--build-info*::
-    Display build information and exit.
+    Приказује информације о изградњи и прекида извршавање.
 
 *-l*, *--license*::
     Приказује лиценцу програма WeeChat.

doc/sr/includes/man.sr.adoc

@@ -97,7 +97,7 @@ $HOME/.config/weechat/weechat.log::
 // tag::copyright[]
 Програм WeeChat је написао Себастијен Елеу и људи који су дали свој допринос (комплетна листа се налази у фајлу AUTHORS.md).
 
-Ауторска права (C) 2003-2024 {author}
+Ауторска права (C) 2003-2025 {author}
 
 WeeChat је слободни софтвер; можете га редистрибуирати и/или изменити под условима ГНУ Опште Јавне Лиценце коју је објавила Free Software Foundation; или верзије 3 Лиценце, или (по вашој жељи) било којој каснијој верзији.
 

doc/sr/weechat_dev.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 Ово упутство описује WeeChat чет клијент и део је програма WeeChat.
 
@@ -576,7 +576,7 @@ WeeChat „језгро” се налази у следећим директо
 /*
  * weechat.c - core functions for WeeChat
  *
- * Copyright (C) 2024 Your Name <your@email.com>
+ * Copyright (C) 2025 Your Name <your@email.com>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

doc/sr/weechat_faq.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 [[general]]
 == Опште

doc/sr/weechat_plugin_api.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 Ово упутство описује WeeChat чет клијент и део је програма WeeChat.
 
@@ -10702,6 +10702,12 @@ _WeeChat ≥ 4.1.0._
 
 URL трансфер.
 
+// TRANSLATION MISSING
+This function is similar to <<_hook_process,hook_process>> and
+<<_hook_process_hashtable,hook_process_hashtable>> with command "url:..."
+but it uses a thread instead of new process, making it more lightweight
+and thus recommended for this usage.
+
 Прототип:
 
 [source,c]
@@ -13621,6 +13627,11 @@ void weechat_hook_set (struct t_hook *hook, const char *property,
 | Име под додатка (обично је то име скрипте које се приказује у
   `/help команда` за куку типа _command_).
 
+// TRANSLATION MISSING
+| keep_spaces_right | 4.6.0 | _command_, _command_run_
+| "0" or "1"
+| Keep trailing spaces in command arguments when it is executed.
+
 | stdin | 0.4.3 | _process_, _process_hashtable_ | било који стринг
 | Шаље податке на стандардни улаз (_stdin_) дете процеса.
 
@@ -15093,7 +15104,9 @@ void weechat_window_set_title (const char *title);
 
 Аргументи:
 
-* _title_: нови наслов за терминал (NULL ако желите да ресетујете наслов); стринг се израчунава, тако да је могуће коришћење променљивих као што је `${info:version}` (погледајте <<_string_eval_expression,string_eval_expression>>)
+* _title_: нови наслов за терминал; стринг се израчунава, тако да је могуће
+  коришћење променљивих као што је `${info:version}`
+  (погледајте <<_string_eval_expression,string_eval_expression>>)
 
 C пример:
 
@@ -16624,6 +16637,73 @@ def my_completion_cb(data: str, completion_item: str, buffer: str, completion: s
     return weechat.WEECHAT_RC_OK
 ----
 
+==== completion_set
+
+_WeeChat ≥ 4.6.0._
+
+// TRANSLATION MISSING
+Set a completion property.
+
+Прототип:
+
+[source,c]
+----
+void weechat_completion_get_string (struct t_gui_completion *completion,
+                                    const char *property,
+                                    const char *value);
+----
+
+Аргументи:
+
+* _completion_: показивач на довршавање
+* _property_: име особине (погледајте табелу испод)
+* _value_: нова вредност за особину
+
+Особине:
+
+[width="100%",cols="^2,^1,4,8",options="header"]
+|===
+| Име | Мин WeeChat | Вредност | Опис
+
+// TRANSLATION MISSING
+| add_space | 4.6.0 | "0" or "1"
+| "0": do not add space after completion +
+  "1": add space after completion (default).
+|===
+
+C пример:
+
+[source,c]
+----
+int
+my_completion_cb (const void *pointer, void *data, const char *completion_item,
+                  struct t_gui_buffer *buffer,
+                  struct t_gui_completion *completion)
+{
+    /* do not add space after completion */
+    weechat_completion_set (completion, "add_space", "0");
+
+    /* ... */
+
+    return WEECHAT_RC_OK;
+}
+----
+
+Скрипта (Python):
+
+[source,python]
+----
+# прототип
+def completion_set(completion: str, property: str, value: str) -> int: ...
+
+# пример
+def my_completion_cb(data: str, completion_item: str, buffer: str, completion: str) -> int:
+    # do not add space after completion
+    weechat.completion_set(completion, "add_space", "0")
+    # ...
+    return weechat.WEECHAT_RC_OK
+----
+
 ==== completion_list_add
 
 _WeeChat ≥ 2.9._

doc/sr/weechat_quickstart.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 [[start]]
 == Покретање програма WeeChat

doc/sr/weechat_relay_weechat.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 [[introduction]]
 == Увод

doc/sr/weechat_scripting.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 Ово упутство описује WeeChat чет клијент и део је програма WeeChat.
 

doc/sr/weechat_user.sr.adoc

@@ -6,7 +6,7 @@ include::includes/attributes-sr.adoc[]
 
 Превод:
 
-* Иван Пешић (<ivan.pesic@gmail.com>), 2021.
+* Иван Пешић (<ivan.pesic@gmail.com>), 2025.
 
 Ово упутство описује WeeChat чет клијент и део је програма WeeChat.
 
@@ -1671,11 +1671,13 @@ WeeChat нуди доста подразумеваних тастерских п
 
 [width="100%", cols="^.^3,.^8,.^5", options="header"]
 |===
-| Тастер      | Опис | Команда
-| kbd:[Alt+m] | Пребацивање активности миша. | `+/mouse toggle+`
-| kbd:[Alt+s] | Пребацује стање активности модула за проверу правописа. | `+/mute spell toggle+`
-| kbd:[Alt+=] | Пребацивање активности филтера. | `+/filter toggle+`
-| kbd:[Alt+-] | Пребацивање активности филтера у текућем баферу. | `+/filter toggle @+`
+| Тастер                 | Опис | Команда
+| kbd:[Alt+m]            | Пребацивање активности миша. | `+/mouse toggle+`
+| kbd:[Alt+s]            | Пребацује стање активности модула за проверу правописа. | `+/mute spell toggle+`
+| kbd:[Alt+=]            | Пребацивање активности филтера. | `+/filter toggle+`
+| kbd:[Alt+-]            | Пребацивање активности филтера у текућем баферу. | `+/filter toggle @+`
+// TRANSLATION MISSING
+| kbd:[Alt+Ctrl+l] (`L`) | Toggle between remote and local commands on a remote buffer (relay "api"). | `+/remote togglecmd+`
 |===
 
 [[key_bindings_search_context]]

icons/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

po/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 #
 # This file is part of WeeChat, the extensible chat client.
 #

src/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2007-2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2008-2009 Emmanuel Bouthenot <kolter@openics.org>
 #

src/core/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+# Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
 # Copyright (C) 2008 Julien Louis <ptitlouis@sysif.net>
 # Copyright (C) 2009 Emmanuel Bouthenot <kolter@openics.org>
 #

src/core/core-arraylist.c

@@ -1,7 +1,7 @@
 /*
  * core-arraylist.c - array lists management
  *
- * Copyright (C) 2014-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-arraylist.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2014-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2014-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-backtrace.c

@@ -1,7 +1,7 @@
 /*
  * core-backtrace.c - backtrace after a segfault
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -149,7 +149,7 @@ weechat_backtrace_addr2line (int number, void *address, const char *symbol)
  */
 
 void
-weechat_backtrace ()
+weechat_backtrace (void)
 {
 #ifdef HAVE_BACKTRACE
     void *trace[BACKTRACE_MAX];

src/core/core-backtrace.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -22,6 +22,6 @@
 
 #define BACKTRACE_MAX 128
 
-extern void weechat_backtrace ();
+extern void weechat_backtrace (void);
 
 #endif /* WEECHAT_BACKTRACE_H */

src/core/core-calc.c

@@ -1,7 +1,7 @@
 /*
  * core-calc.c - calculate result of an expression
  *
- * Copyright (C) 2019-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -336,9 +336,9 @@ calc_expression (const char *expr)
     struct t_arraylist *list_values, *list_ops;
     const char *ptr_expr, *ptr_expr2;
     char str_result[64], *ptr_operator, *operator;
-    int index_op, decimals;
+    int index_op;
     enum t_calc_symbol last_symbol;
-    double value, factor, *ptr_value;
+    double value, factor, decimals, *ptr_value;
 
     list_values = NULL;
     list_ops = NULL;

src/core/core-calc.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2019-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-command.c

@@ -1,7 +1,7 @@
 /*
  * core-command.c - WeeChat core commands
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -1841,7 +1841,7 @@ COMMAND_CALLBACK(color)
 
 COMMAND_CALLBACK(command)
 {
-    int length, index_args, any_plugin;
+    int index_args, any_plugin;
     char *command, **commands, **ptr_command;
     struct t_weechat_plugin *ptr_plugin;
     struct t_gui_buffer *ptr_buffer;
@@ -1912,11 +1912,8 @@ COMMAND_CALLBACK(command)
     }
     else
     {
-        length = strlen (argv_eol[index_args + 1]) + 2;
-        command = malloc (length);
-        if (command)
+        if (string_asprintf (&command, "/%s", argv_eol[index_args + 1]) >= 0)
         {
-            snprintf (command, length, "/%s", argv_eol[index_args + 1]);
             (void) input_exec_command (ptr_buffer, any_plugin, ptr_plugin,
                                        command, NULL);
             free (command);
@@ -2038,7 +2035,7 @@ COMMAND_CALLBACK(debug)
     struct t_weechat_plugin *ptr_plugin;
     struct timeval time_start, time_end;
     char *result, *str_threshold;
-    long long threshold;
+    unsigned long long threshold;
     int debug;
 
     /* make C compiler happy */
@@ -2076,7 +2073,8 @@ COMMAND_CALLBACK(debug)
     if (string_strcmp (argv[1], "callbacks") == 0)
     {
         COMMAND_MIN_ARGS(3, argv[1]);
-        threshold = util_parse_delay (argv[2], 1);
+        if (!util_parse_delay (argv[2], 1, &threshold))
+            COMMAND_ERROR;
         if (threshold > 0)
         {
             str_threshold = util_get_microseconds_string (threshold);
@@ -2294,6 +2292,13 @@ COMMAND_CALLBACK(debug)
         return WEECHAT_RC_OK;
     }
 
+    if (string_strcmp (argv[1], "whitespace") == 0)
+    {
+        gui_chat_whitespace_mode ^= 1;
+        gui_window_ask_refresh (1);
+        return WEECHAT_RC_OK;
+    }
+
     COMMAND_ERROR;
 }
 
@@ -3053,7 +3058,7 @@ command_help_list_commands (int verbose)
  */
 
 const char *
-command_help_option_color_values ()
+command_help_option_color_values (void)
 {
     return _("a WeeChat color name (default, black, "
              "(dark)gray, white, (light)red, (light)green, "
@@ -3079,8 +3084,8 @@ COMMAND_CALLBACK(help)
     struct t_weechat_plugin *ptr_plugin;
     struct t_config_option *ptr_option;
     int i, length, command_found, first_line_displayed, verbose;
-    char *string, *ptr_string, *pos_double_pipe, *pos_end, *args_desc;
-    char empty_string[1] = { '\0' }, str_format[64];
+    char *string, *ptr_string, **string_values, *pos_double_pipe, *pos_end;
+    char *args_desc, empty_string[1] = { '\0' }, str_format[64];
 
     /* make C compiler happy */
     (void) pointer;
@@ -3370,63 +3375,53 @@ COMMAND_CALLBACK(help)
                 }
                 break;
             case CONFIG_OPTION_TYPE_ENUM:
-                length = 0;
-                i = 0;
-                while (ptr_option->string_values[i])
+                string_values = string_dyn_alloc (256);
+                if (string_values)
                 {
-                    length += strlen (ptr_option->string_values[i]) + 5;
-                    i++;
-                }
-                if (length > 0)
-                {
-                    string = malloc (length);
-                    if (string)
+                    i = 0;
+                    while (ptr_option->string_values[i])
                     {
-                        string[0] = '\0';
-                        i = 0;
-                        while (ptr_option->string_values[i])
-                        {
-                            strcat (string, "\"");
-                            strcat (string, ptr_option->string_values[i]);
-                            strcat (string, "\"");
-                            if (ptr_option->string_values[i + 1])
-                                strcat (string, ", ");
-                            i++;
-                        }
-                        gui_chat_printf (NULL, "  %s: %s",
-                                         _("type"), _("enum"));
-                        gui_chat_printf (NULL, "  %s: %s",
-                                         _("values"), string);
-                        if (ptr_option->default_value)
-                        {
-                            gui_chat_printf (NULL, "  %s: \"%s\"",
-                                             _("default value"),
-                                             ptr_option->string_values[CONFIG_ENUM_DEFAULT(ptr_option)]);
-                        }
-                        else
-                        {
-                            gui_chat_printf (NULL, "  %s: %s",
-                                             _("default value"),
-                                             _("(undefined)"));
-                        }
-                        if (ptr_option->value)
-                        {
-                            gui_chat_printf (NULL,
-                                             "  %s: \"%s%s%s\"",
-                                             _("current value"),
-                                             GUI_COLOR(GUI_COLOR_CHAT_VALUE),
-                                             ptr_option->string_values[CONFIG_ENUM(ptr_option)],
-                                             GUI_COLOR(GUI_COLOR_CHAT));
-                        }
-                        else
-                        {
-                            gui_chat_printf (NULL,
-                                             "  %s: %s",
-                                             _("current value"),
-                                             _("(undefined)"));
-                        }
-                        free (string);
+                        string_dyn_concat (string_values, "\"", -1);
+                        string_dyn_concat (string_values,
+                                           ptr_option->string_values[i], -1);
+                        string_dyn_concat (string_values, "\"", -1);
+                        if (ptr_option->string_values[i + 1])
+                            string_dyn_concat (string_values, ", ", -1);
+                        i++;
                     }
+                    gui_chat_printf (NULL, "  %s: %s", _("type"), _("enum"));
+                    gui_chat_printf (NULL, "  %s: %s", _("values"), *string_values);
+                    if (ptr_option->default_value)
+                    {
+                        gui_chat_printf (
+                            NULL, "  %s: \"%s\"",
+                            _("default value"),
+                            ptr_option->string_values[CONFIG_ENUM_DEFAULT(ptr_option)]);
+                    }
+                    else
+                    {
+                        gui_chat_printf (NULL, "  %s: %s",
+                                         _("default value"),
+                                         _("(undefined)"));
+                    }
+                    if (ptr_option->value)
+                    {
+                        gui_chat_printf (
+                            NULL,
+                            "  %s: \"%s%s%s\"",
+                            _("current value"),
+                            GUI_COLOR(GUI_COLOR_CHAT_VALUE),
+                            ptr_option->string_values[CONFIG_ENUM(ptr_option)],
+                            GUI_COLOR(GUI_COLOR_CHAT));
+                    }
+                    else
+                    {
+                        gui_chat_printf (NULL,
+                                         "  %s: %s",
+                                         _("current value"),
+                                         _("(undefined)"));
+                    }
+                    string_dyn_free (string_values, 1);
                 }
                 break;
             case CONFIG_NUM_OPTION_TYPES:
@@ -4874,7 +4869,7 @@ COMMAND_CALLBACK(mouse)
 
 COMMAND_CALLBACK(mute)
 {
-    int length, mute_mode, gui_chat_mute_old;
+    int mute_mode, gui_chat_mute_old;
     char *command, *ptr_command;
     struct t_gui_buffer *mute_buffer, *ptr_buffer, *gui_chat_mute_buffer_old;
 
@@ -4939,11 +4934,8 @@ COMMAND_CALLBACK(mute)
         }
         else
         {
-            length = strlen (ptr_command) + 2;
-            command = malloc (length);
-            if (command)
+            if (string_asprintf (&command, "/%s", ptr_command) >= 0)
             {
-                snprintf (command, length, "/%s", ptr_command);
                 (void) input_exec_command (buffer, 1, NULL, command, NULL);
                 free (command);
             }
@@ -4959,6 +4951,260 @@ COMMAND_CALLBACK(mute)
     return WEECHAT_RC_OK;
 }
 
+/*
+ * Opens a file in write mode to redirect messages.
+ *
+ * Returns a pointer to the file, NULL if error.
+ */
+
+FILE *
+command_pipe_open_file (const char *filename)
+{
+    char *filename2;
+    FILE *file;
+
+    filename2 = string_expand_home (filename);
+    if (!filename2)
+        return NULL;
+
+    file = fopen (filename2, "w");
+    if (!file)
+        return NULL;
+
+    fchmod (fileno (file), 0600);
+
+    free (filename2);
+
+    return file;
+}
+
+/*
+ * Callback for command "/pipe": redirect command output to a buffer or a file
+ */
+
+COMMAND_CALLBACK(pipe)
+{
+    const char *ptr_command, *ptr_filename, *ptr_hsignal;
+    const char *ptr_concat_separator, *ptr_strip_chars;
+    char *command, space[2] = " ", newline[2] = "\n";
+    int i, index_command, skip_empty_lines, send_to_buffer, no_locale;
+    int pipe_set, color, color_set;
+    struct t_gui_buffer *ptr_buffer;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+
+    if (argc < 2)
+    {
+        /* silently ignore missing arguments ("/pipe" does nothing) */
+        return WEECHAT_RC_OK;
+    }
+
+    index_command = 1;
+    send_to_buffer = 0;
+    no_locale = 0;
+    ptr_concat_separator = NULL;
+    ptr_strip_chars = NULL;
+    skip_empty_lines = 0;
+    ptr_buffer = NULL;
+    ptr_filename = NULL;
+    ptr_hsignal = NULL;
+    ptr_command = NULL;
+    color = GUI_CHAT_PIPE_COLOR_STRIP;
+    color_set = 0;
+
+    for (i = 1; i < argc; i++)
+    {
+        if (string_strcmp (argv[i], "-concat") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            ptr_concat_separator = argv[i];
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-strip") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            ptr_strip_chars = argv[i];
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-skipempty") == 0)
+        {
+            skip_empty_lines = 1;
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-c") == 0)
+        {
+            ptr_concat_separator = space;
+            ptr_strip_chars = space;
+            skip_empty_lines = 1;
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-nl") == 0)
+        {
+            no_locale = 1;
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-o") == 0)
+        {
+            send_to_buffer = 1;
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-buffer") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            ptr_buffer = gui_buffer_search_by_full_name (argv[i]);
+            if (!ptr_buffer)
+            {
+                gui_chat_printf (NULL,
+                                 _("%sBuffer \"%s\" not found"),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                                 argv[i]);
+                return WEECHAT_RC_ERROR;
+            }
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-file") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            ptr_filename = argv[i];
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-hsignal") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            ptr_hsignal = argv[i];
+            index_command = i + 1;
+        }
+        else if (string_strcmp (argv[i], "-color") == 0)
+        {
+            COMMAND_MIN_ARGS(i + 2, argv[i]);
+            i++;
+            color = gui_chat_pipe_search_color (argv[i]);
+            if (color < 0)
+            {
+                gui_chat_printf (NULL,
+                                 _("%sInvalid color: \"%s\""),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                                 argv[i]);
+                return WEECHAT_RC_ERROR;
+            }
+            color_set = 1;
+            index_command = i + 1;
+        }
+        else
+            break;
+    }
+
+    if (index_command < argc)
+        ptr_command = argv_eol[index_command];
+
+    if (!ptr_command || !ptr_command[0])
+    {
+        /* silently ignore missing command */
+        return WEECHAT_RC_OK;
+    }
+
+    /* for hsignal, set default concat separator to newline if not set */
+    if (ptr_hsignal && !ptr_concat_separator)
+        ptr_concat_separator = newline;
+
+    /*
+     * when chaining /pipe command, only the first one (surrounding) wins;
+     * if buffer/file is already set, ignore it and just execute the command
+     * with the existing redirection
+     */
+    pipe_set = 0;
+    if (!gui_chat_pipe)
+    {
+        gui_chat_pipe_command = strdup (ptr_command);
+        if (ptr_filename)
+        {
+            gui_chat_pipe_file = command_pipe_open_file (ptr_filename);
+            if (!gui_chat_pipe_file)
+            {
+                gui_chat_printf (NULL,
+                                 _("%sUnable to open file \"%s\""),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                                 ptr_filename);
+                return WEECHAT_RC_ERROR;
+            }
+        }
+        else if (ptr_hsignal)
+        {
+            gui_chat_pipe_hsignal = strdup (ptr_hsignal);
+            if (!gui_chat_pipe_hsignal)
+                COMMAND_ERROR;
+            gui_chat_pipe_concat_tags = string_dyn_alloc (1024);
+        }
+        else
+        {
+            gui_chat_pipe_buffer = (ptr_buffer) ? ptr_buffer : buffer;
+            if (!gui_chat_pipe_buffer)
+                COMMAND_ERROR;
+            if (!color_set && !send_to_buffer)
+                color = GUI_CHAT_PIPE_COLOR_KEEP;
+            if (gui_chat_pipe_buffer->type != GUI_BUFFER_TYPE_FORMATTED)
+            {
+                gui_chat_printf (NULL,
+                                 _("%sCommand /pipe can only use buffers "
+                                   "with formatted content"),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
+                gui_chat_pipe_buffer = NULL;
+                return WEECHAT_RC_ERROR;
+            }
+        }
+        gui_chat_pipe_send_to_buffer = send_to_buffer;
+        if (ptr_concat_separator)
+        {
+            gui_chat_pipe_concat_lines = string_dyn_alloc (1024);
+            gui_chat_pipe_concat_sep = string_convert_escaped_chars (
+                ptr_concat_separator);
+        }
+        if (ptr_strip_chars)
+        {
+            gui_chat_pipe_strip_chars = string_convert_escaped_chars (
+                ptr_strip_chars);
+        }
+        gui_chat_pipe_skip_empty_lines = skip_empty_lines;
+        if (no_locale)
+            setlocale (LC_ALL, "C");
+        gui_chat_pipe_color = color;
+        pipe_set = 1;
+        gui_chat_pipe = 1;
+    }
+
+    if (string_asprintf (
+            &command,
+            "%s%s",
+            (string_is_command_char (ptr_command)) ? "" : "/",
+            ptr_command) < 0)
+        COMMAND_ERROR;
+
+    (void) input_exec_command (
+        buffer,
+        1,  /* any_plugin */
+        NULL,  /* plugin */
+        command,
+        NULL);  /* commands_allowed */
+
+    free (command);
+
+    if (pipe_set)
+    {
+        gui_chat_pipe_end ();
+        if (no_locale)
+            setlocale (LC_ALL, "");
+    }
+
+    return WEECHAT_RC_OK;
+}
+
 /*
  * Displays a list of loaded plugins.
  */
@@ -5495,7 +5741,7 @@ COMMAND_CALLBACK(print)
  */
 
 void
-command_proxy_list ()
+command_proxy_list (void)
 {
     struct t_proxy *ptr_proxy;
     const char *ipv6_status;
@@ -5929,7 +6175,7 @@ command_repeat_timer_cb (const void *pointer, void *data, int remaining_calls)
 COMMAND_CALLBACK(repeat)
 {
     int arg_count, count, i;
-    long long interval;
+    unsigned long long interval;
     char *error;
     struct t_command_repeat *cmd_repeat;
 
@@ -5944,9 +6190,8 @@ COMMAND_CALLBACK(repeat)
 
     if ((argc >= 5) && (string_strcmp (argv[1], "-interval") == 0))
     {
-        interval = util_parse_delay (argv[2], 1000000);
-        if (interval < 0)
-            interval = 0;
+        if (!util_parse_delay (argv[2], 1000000, &interval))
+            COMMAND_ERROR;
         interval /= 1000;
         arg_count = 3;
     }
@@ -6491,7 +6736,7 @@ int
 command_set_display_option_list (const char *message, const char *search,
                                  int display_only_changed)
 {
-    int number_found, section_displayed, length;
+    int number_found, section_displayed;
     struct t_config_file *ptr_config;
     struct t_config_section *ptr_section;
     struct t_config_option *ptr_option;
@@ -6524,15 +6769,12 @@ command_set_display_option_list (const char *message, const char *search,
                     !config_file_option_has_changed (ptr_option))
                     continue;
 
-                length = strlen (ptr_config->name) + 1
-                    + strlen (ptr_section->name) + 1
-                    + strlen (ptr_option->name) + 1;
-                option_full_name = malloc (length);
-                if (option_full_name)
+                if (string_asprintf (&option_full_name,
+                                     "%s.%s.%s",
+                                     ptr_config->name,
+                                     ptr_section->name,
+                                     ptr_option->name) >= 0)
                 {
-                    snprintf (option_full_name, length, "%s.%s.%s",
-                              ptr_config->name, ptr_section->name,
-                              ptr_option->name);
                     if ((!search) ||
                         (search && search[0]
                          && (string_match (option_full_name, search, 1))))
@@ -7126,6 +7368,7 @@ COMMAND_CALLBACK(unset)
 
 void
 command_upgrade_display (struct t_gui_buffer *buffer,
+                         int send_to_buffer_as_input,
                          int translated_string)
 {
     char string[1024], str_first_start[128], str_last_start[128];
@@ -7187,11 +7430,18 @@ command_upgrade_display (struct t_gui_buffer *buffer,
         }
     }
 
-    (void) input_data (buffer,
-                       string,
-                       NULL,
-                       0,  /* split_newline */
-                       0);  /* user_data */
+    if (send_to_buffer_as_input)
+    {
+        (void) input_data (buffer,
+                           string,
+                           NULL,
+                           0,  /* split_newline */
+                           0);  /* user_data */
+    }
+    else
+    {
+        gui_chat_printf (NULL, "%s", string);
+    }
 }
 
 /*
@@ -7218,12 +7468,12 @@ COMMAND_CALLBACK(upgrade)
     {
         if (string_strcmp (argv[1], "-o") == 0)
         {
-            command_upgrade_display (buffer, 0);
+            command_upgrade_display (buffer, 1, 0);
             return WEECHAT_RC_OK;
         }
         if (string_strcmp (argv[1], "-ol") == 0)
         {
-            command_upgrade_display (buffer, 1);
+            command_upgrade_display (buffer, 1, 1);
             return WEECHAT_RC_OK;
         }
         if (string_strcmp (argv[1], "-yes") == 0)
@@ -7534,7 +7784,8 @@ void
 command_version_display (struct t_gui_buffer *buffer,
                          int send_to_buffer_as_input,
                          int translated_string,
-                         int display_git_version)
+                         int display_git_version,
+                         int display_upgrades)
 {
     char string[1024];
 
@@ -7564,6 +7815,9 @@ command_version_display (struct t_gui_buffer *buffer,
                          version_get_compilation_time (),
                          GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS));
     }
+
+    if (display_upgrades)
+        command_upgrade_display (buffer, send_to_buffer_as_input, translated_string);
 }
 
 /*
@@ -7572,7 +7826,7 @@ command_version_display (struct t_gui_buffer *buffer,
 
 COMMAND_CALLBACK(version)
 {
-    int send_to_buffer_as_input, translated_string;
+    int i, send_to_buffer_as_input, translated_string, display_upgrades;
 
     /* make C compiler happy */
     (void) pointer;
@@ -7581,20 +7835,32 @@ COMMAND_CALLBACK(version)
 
     send_to_buffer_as_input = 0;
     translated_string = 0;
+    display_upgrades = 0;
 
-    if (argc >= 2)
+    for (i = 1; i < argc; i++)
     {
-        if (string_strcmp (argv[1], "-o") == 0)
+        if (string_strcmp (argv[i], "-o") == 0)
+        {
             send_to_buffer_as_input = 1;
-        else if (string_strcmp (argv[1], "-ol") == 0)
+            translated_string = 0;
+        }
+        else if (string_strcmp (argv[i], "-ol") == 0)
         {
             send_to_buffer_as_input = 1;
             translated_string = 1;
         }
+        else if (string_strcmp (argv[i], "-v") == 0)
+        {
+            display_upgrades = 1;
+        }
     }
 
-    command_version_display (buffer, send_to_buffer_as_input,
-                             translated_string, 1);
+    command_version_display (
+        buffer,
+        send_to_buffer_as_input,
+        translated_string,
+        1,  /* display_git_version */
+        display_upgrades);
 
     return WEECHAT_RC_OK;
 }
@@ -7605,7 +7871,7 @@ COMMAND_CALLBACK(version)
 
 COMMAND_CALLBACK(wait)
 {
-    long long delay;
+    unsigned long long delay;
 
     /* make C compiler happy */
     (void) pointer;
@@ -7613,7 +7879,8 @@ COMMAND_CALLBACK(wait)
 
     COMMAND_MIN_ARGS(3, "");
 
-    delay = util_parse_delay (argv[1], 1000000);
+    if (!util_parse_delay (argv[1], 1000000, &delay))
+        COMMAND_ERROR;
     if (delay < 1)
         COMMAND_ERROR;
 
@@ -8026,9 +8293,11 @@ COMMAND_CALLBACK(window)
  */
 
 void
-command_init ()
+command_init (void)
 {
-    hook_command (
+    struct t_hook *ptr_hook;
+
+    ptr_hook = hook_command (
         NULL, "allbuf",
         N_("execute a command on all buffers"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -8041,6 +8310,7 @@ command_init ()
             N_("  set read marker on all buffers:"),
             AI("    /allbuf /buffer set unread")),
         "%(commands:/)", &command_allbuf, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "away",
         N_("set or remove away status"),
@@ -8076,7 +8346,7 @@ command_init ()
             N_("> raw[root]: outside windows"),
             N_("> raw[window]: inside windows, with optional conditions (see below)"),
             N_("conditions: the conditions to display the bar (without conditions, "
-               "the bar is always displayed:"),
+               "the bar is always displayed):"),
             N_("> raw[active]: on active window"),
             N_("> raw[inactive]: on inactive windows"),
             N_("> raw[nicklist]: on windows with nicklist"),
@@ -8290,7 +8560,7 @@ command_init ()
      * give high priority (50000) so that an alias will not take precedence
      * over this command
      */
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "50000|command",
         N_("launch explicit WeeChat or plugin command"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -8310,6 +8580,7 @@ command_init ()
         " || -s"
         " || %(plugins_names)|" PLUGIN_CORE " %(plugins_commands:/)",
         &command_command, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "cursor",
         N_("free movement of cursor on screen to execute actions on specific "
@@ -8361,7 +8632,8 @@ command_init ()
            " || mouse|cursor [verbose]"
            " || hdata [free]"
            " || time <command>"
-           " || unicode <string>"),
+           " || unicode <string>"
+           " || whitespace"),
         CMD_ARGS_DESC(
             N_("raw[list]: list plugins with debug levels"),
             N_("raw[set]: set debug level for plugin"),
@@ -8403,6 +8675,9 @@ command_init ()
                "the current buffer"),
             N_("raw[unicode]: display information about string and unicode chars "
                "(evaluated, see /help eval)"),
+            N_("raw[whitespace]: toggle whitespace mode: make spaces and tabulations "
+               "visible in buffers and bars (see options weechat.look.whitespace_char "
+               "and weechat.look.tab_whitespace_char)"),
             "",
             N_("Examples:"),
             AI("  /debug set irc 1"),
@@ -8431,9 +8706,10 @@ command_init ()
         " || url"
         " || windows"
         " || time %(commands:/)"
-        " || unicode",
+        " || unicode"
+        " || whitespace",
         &command_debug, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "eval",
         N_("evaluate expression"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -8621,6 +8897,7 @@ command_init ()
             AI("  /eval -n -c abcd =- bc                  ==> 1")),
         "-n|-s|-c|%(eval_variables)|%*",
         &command_eval, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "filter",
         N_("filter messages in buffers, to hide/show them according to tags or "
@@ -9070,11 +9347,11 @@ command_init ()
             AI("  /mouse toggle 5")),
         "enable|disable|toggle",
         &command_mouse, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "mute",
         N_("execute a command silently"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
-        N_("[-core | -current | -buffer <name>] <command>"),
+        N_("[-core|-current|-buffer <name>] <command>"),
         CMD_ARGS_DESC(
             N_("raw[-core]: no output on WeeChat core buffer"),
             N_("raw[-current]: no output on current buffer"),
@@ -9095,6 +9372,63 @@ command_init ()
         " || -buffer %(buffers_plugins_names) %(commands:/)|%*"
         " || %(commands:/)|%*",
         &command_mute, NULL, NULL);
+    COMMAND_KEEP_SPACES;
+    ptr_hook = hook_command (
+        NULL, "pipe",
+        N_("redirect command output to a buffer, a file or a hsignal"),
+        /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
+        N_("[-buffer <name>|-file <filename>|-hsignal <name>] "
+           "[-color strip|keep|ansi] [-concat <separator>] "
+           "[-strip <chars>] [-skipempty] [-c] [-o] [-g] [-nl] <command>"),
+        CMD_ARGS_DESC(
+            N_("raw[-buffer]: display command output on this buffer"),
+            N_("name: full buffer name (examples: \"core.weechat\", "
+               "\"irc.server.libera\", \"irc.libera.#weechat\")"),
+            N_("raw[-file]: write command output in this file"),
+            N_("raw[-hsignal]: send command output as hsignal; "
+               "keys: \"command\", \"output\" (lines separated by separator) "
+               "and \"tags\" (tags of each line separated by newline)"),
+            N_("raw[-color]: convert colors"),
+            N_("raw[-o]: send command output to the buffer as input; "
+               "colors are stripped and commands are NOT executed "
+               "(used only with -buffer)"),
+            N_("raw[-concat]: concatenate all lines displayed using a separator; "
+               "chars can be escaped (example: \\x20 for space)"),
+            N_("raw[-strip]: strip chars from lines (beginning/end); "
+               "chars can be escaped (example: \\x20 for space)"),
+            N_("raw[-skipempty]: skip empty lines when lines are concatenated"),
+            N_("raw[-c]: alias for \"-concat \\x20 -strip \\x20 -skipempty\""),
+            N_("raw[-nl]: display messages in English during the command execution "
+               "(do not use the current locale)"),
+            N_("command: command to execute (a \"/\" is automatically added "
+               "if not found at beginning of command)"),
+            "",
+            N_("If no target is specified (\"-buffer\", \"-file\" or \"-hsignal\"), "
+               "then the command output is sent on the current buffer."),
+            "",
+            N_("Note: for commands that display messages in an asynchronous way "
+               "(like /exec and many IRC commands), the output will not be "
+               "caught by this command."),
+            N_("For example \"/pipe /whois nick\" will NOT redirect the answer "
+               "from IRC server to the current buffer."),
+            "",
+            N_("Examples:"),
+            N_("  write info about external libraries in a file:"),
+            AI("    /pipe -file /tmp/libs.txt /debug libs"),
+            N_("  send output of \"/debug libs\" as a single line on current channel:"),
+            AI("    /pipe -o -c /debug libs"),
+            N_("  display info about all buffers on current buffer:"),
+            AI("    /pipe /allbuf /eval /print ${buffer.full_name} -> "
+               "${buffer.number}. ${buffer.short_name} (${buffer})"),
+            N_("  send list of filters on current channel, in English:"),
+            AI("    /pipe -o -nl /filter")),
+        "-buffer %(buffers_plugins_names) %(commands:/)|%*"
+        " || -file %(filename) %(commands:/)|%*"
+        " || -hsignal %- %(commands:/)|%*"
+        " || -o %(commands:/)|%*"
+        " || %(commands:/)|%*",
+        &command_pipe, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "plugin",
         N_("list/load/unload plugins"),
@@ -9133,7 +9467,7 @@ command_init ()
         " || reload %(plugins_names)|* -a|-s"
         " || unload %(plugins_names)",
         &command_plugin, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "print",
         N_("display text on a buffer"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -9201,6 +9535,7 @@ command_init ()
         " || -stderr"
         " || -beep",
         &command_print, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "proxy",
         N_("manage proxies"),
@@ -9242,7 +9577,7 @@ command_init ()
         " || del %(proxies_names)|%*"
         " || set %(proxies_names) %(proxies_options)",
         &command_proxy, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "quit",
         N_("quit WeeChat"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -9259,6 +9594,7 @@ command_init ()
                "\"weechat.look.save_layout_on_exit\").")),
         "",
         &command_quit, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "reload",
         N_("reload configuration files from disk"),
@@ -9270,7 +9606,7 @@ command_init ()
             N_("Without argument, all files (WeeChat and plugins) are reloaded.")),
         "%(config_files)|%*",
         &command_reload, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "repeat",
         N_("execute a command several times"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -9307,6 +9643,7 @@ command_init ()
             AI("    /repeat -interval 1 6 /print ${if:${repeat_last}?Boom!:${repeat_revindex0}}")),
         "%- %(commands:/)",
         &command_repeat, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "reset",
         N_("reset config options"),
@@ -9594,17 +9931,18 @@ command_init ()
     hook_command (
         NULL, "version",
         N_("show WeeChat version and compilation date"),
-        "[-o|-ol]",
+        "[-o|-ol] [-v]",
         CMD_ARGS_DESC(
             N_("raw[-o]: send version to current buffer as input (English string)"),
             N_("raw[-ol]: send version to current buffer as input (translated string)"),
+            N_("raw[-v]: verbose mode: display information about upgrades of WeeChat with /upgrade"),
             "",
             N_("The default alias /v can be used to execute this command on "
                "all buffers (otherwise the irc command /version is used on irc "
                "buffers).")),
-        "-o|-ol",
+        "-o|-ol|-v|%*",
         &command_version, NULL, NULL);
-    hook_command (
+    ptr_hook = hook_command (
         NULL, "wait",
         N_("schedule a command execution in future"),
         /* TRANSLATORS: only text between angle brackets (eg: "<name>") may be translated */
@@ -9633,6 +9971,7 @@ command_init ()
             N_("    /wait 2m hello")),
         "%- %(commands:/)",
         &command_wait, NULL, NULL);
+    COMMAND_KEEP_SPACES;
     hook_command (
         NULL, "window",
         N_("manage windows"),

src/core/core-command.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -85,6 +85,8 @@ struct t_gui_buffer;
 #define CMD_ARGS_DESC(args...)                                          \
     STR_CONCAT("\n", WEECHAT_HOOK_COMMAND_STR_FORMATTED, ##args)
 
+#define COMMAND_KEEP_SPACES hook_set (ptr_hook, "keep_spaces_right", "1")
+
 struct t_command_repeat
 {
     char *buffer_name;                 /* full buffer name                  */
@@ -94,12 +96,13 @@ struct t_command_repeat
     int index;                         /* current index (starts at 1)       */
 };
 
-extern const char *command_help_option_color_values ();
+extern const char *command_help_option_color_values (void);
 extern void command_version_display (struct t_gui_buffer *buffer,
                                      int send_to_buffer_as_input,
                                      int translated_string,
-                                     int display_git_version);
-extern void command_init ();
+                                     int display_git_version,
+                                     int display_upgrades);
+extern void command_init (void);
 extern void command_startup (int plugins_loaded);
 
 #endif /* WEECHAT_COMMAND_H */

src/core/core-completion.c

@@ -1,7 +1,7 @@
 /*
  * core-completion.c - completion for WeeChat commands
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -71,17 +71,12 @@ completion_list_add_quoted_word (struct t_gui_completion *completion,
                                  const char *word)
 {
     char *temp;
-    int length;
 
-    length = 1 + strlen (word) + 1 + 1;
-    temp = malloc (length);
-    if (!temp)
-        return;
-
-    snprintf (temp, length, "\"%s\"", word);
-    gui_completion_list_add (completion, temp, 0, WEECHAT_LIST_POS_END);
-
-    free (temp);
+    if (string_asprintf (&temp, "\"%s\"", word) >= 0)
+    {
+        gui_completion_list_add (completion, temp, 0, WEECHAT_LIST_POS_END);
+        free (temp);
+    }
 }
 
 /*
@@ -1221,7 +1216,6 @@ completion_list_add_config_options_cb (const void *pointer, void *data,
     struct t_config_file *ptr_config;
     struct t_config_section *ptr_section;
     struct t_config_option *ptr_option;
-    int length;
     char *option_full_name;
 
     /* make C compiler happy */
@@ -1239,15 +1233,12 @@ completion_list_add_config_options_cb (const void *pointer, void *data,
             for (ptr_option = ptr_section->options; ptr_option;
                  ptr_option = ptr_option->next_option)
             {
-                length = strlen (ptr_config->name) + 1
-                    + strlen (ptr_section->name) + 1
-                    + strlen (ptr_option->name) + 1;
-                option_full_name = malloc (length);
-                if (option_full_name)
+                if (string_asprintf (&option_full_name,
+                                     "%s.%s.%s",
+                                     ptr_config->name,
+                                     ptr_section->name,
+                                     ptr_option->name) >= 0)
                 {
-                    snprintf (option_full_name, length, "%s.%s.%s",
-                              ptr_config->name, ptr_section->name,
-                              ptr_option->name);
                     gui_completion_list_add (completion,
                                              option_full_name,
                                              0, WEECHAT_LIST_POS_SORT);
@@ -1334,7 +1325,6 @@ completion_list_add_plugins_installed_cb (const void *pointer, void *data,
                                           struct t_gui_completion *completion)
 {
     char *plugin_path, *dir_name, *extra_libdir;
-    int length;
     struct t_hashtable *options;
 
     /* make C compiler happy */
@@ -1347,11 +1337,8 @@ completion_list_add_plugins_installed_cb (const void *pointer, void *data,
     extra_libdir = getenv (WEECHAT_EXTRA_LIBDIR);
     if (extra_libdir && extra_libdir[0])
     {
-        length = strlen (extra_libdir) + 16 + 1;
-        dir_name = malloc (length);
-        if (dir_name)
+        if (string_asprintf (&dir_name, "%s/plugins", extra_libdir) >= 0)
         {
-            snprintf (dir_name, length, "%s/plugins", extra_libdir);
             dir_exec_on_files (dir_name, 1, 0,
                                &completion_list_add_plugins_installed_exec_cb,
                                completion);
@@ -1383,11 +1370,8 @@ completion_list_add_plugins_installed_cb (const void *pointer, void *data,
     }
 
     /* plugins in WeeChat global lib dir */
-    length = strlen (WEECHAT_LIBDIR) + 16 + 1;
-    dir_name = malloc (length);
-    if (dir_name)
+    if (string_asprintf (&dir_name, "%s/plugins", WEECHAT_LIBDIR) >= 0)
     {
-        snprintf (dir_name, length, "%s/plugins", WEECHAT_LIBDIR);
         dir_exec_on_files (dir_name, 1, 0,
                            &completion_list_add_plugins_installed_exec_cb,
                            completion);
@@ -1500,7 +1484,6 @@ completion_list_add_config_option_values_cb (const void *pointer, void *data,
     char *pos_space, *option_full_name, *pos_section, *pos_option;
     char *file, *section, *value_string, **ptr_value;
     const char *color_name;
-    int length;
     struct t_config_file *ptr_config;
     struct t_config_section *ptr_section, *section_found;
     struct t_config_option *option_found;
@@ -1587,12 +1570,11 @@ completion_list_add_config_option_values_cb (const void *pointer, void *data,
                                                          0, WEECHAT_LIST_POS_BEGINNING);
                             if (option_found->value)
                             {
-                                length = 64;
-                                value_string = malloc (length);
-                                if (value_string)
+                                if (string_asprintf (
+                                        &value_string,
+                                        "%d",
+                                        CONFIG_INTEGER(option_found)) >= 0)
                                 {
-                                    snprintf (value_string, length,
-                                              "%d", CONFIG_INTEGER(option_found));
                                     gui_completion_list_add (completion,
                                                              value_string,
                                                              0, WEECHAT_LIST_POS_BEGINNING);
@@ -1612,13 +1594,11 @@ completion_list_add_config_option_values_cb (const void *pointer, void *data,
                                                      0, WEECHAT_LIST_POS_BEGINNING);
                             if (option_found->value)
                             {
-                                length = strlen (CONFIG_STRING(option_found)) + 2 + 1;
-                                value_string = malloc (length);
-                                if (value_string)
+                                if (string_asprintf (
+                                        &value_string,
+                                        "\"%s\"",
+                                        CONFIG_STRING(option_found)) >= 0)
                                 {
-                                    snprintf (value_string, length,
-                                              "\"%s\"",
-                                              CONFIG_STRING(option_found));
                                     gui_completion_list_add (completion,
                                                              value_string,
                                                              0, WEECHAT_LIST_POS_BEGINNING);
@@ -2126,17 +2106,13 @@ completion_list_map_eval_buffer_local_variable_cb (void *data,
                                                    const void *key, const void *value)
 {
     char *name;
-    int length;
 
     /* make C compiler happy */
     (void) hashtable;
     (void) value;
 
-    length = strlen (key) + 3 + 1;
-    name = malloc (length);
-    if (name)
+    if (string_asprintf (&name, "${%s}", (const char *)key) >= 0)
     {
-        snprintf (name, length, "${%s}", (const char *)key);
         gui_completion_list_add ((struct t_gui_completion *)data,
                                  name, 0, WEECHAT_LIST_POS_SORT);
         free (name);
@@ -2251,7 +2227,7 @@ completion_list_add_eval_variables_cb (const void *pointer, void *data,
  */
 
 void
-completion_init ()
+completion_init (void)
 {
     hook_completion (NULL, "buffers_names", /* formerly "%b" */
                      N_("names of buffers"),

src/core/core-completion.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -28,6 +28,6 @@ extern int completion_list_add_filename_cb (const void *pointer,
                                             const char *completion_item,
                                             struct t_gui_buffer *buffer,
                                             struct t_gui_completion *completion);
-extern void completion_init ();
+extern void completion_init (void);
 
 #endif /* WEECHAT_COMPLETION_H */

src/core/core-config-file.c

@@ -1,7 +1,7 @@
 /*
  * core-config-file.c - configuration files/sections/options management
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -201,8 +201,7 @@ config_file_new (struct t_weechat_plugin *plugin, const char *name,
 {
     struct t_config_file *new_config_file;
     const char *ptr_name;
-    char *filename;
-    int priority, length;
+    int priority;
 
     string_get_priority_and_name (name, &priority, &ptr_name,
                                   CONFIG_PRIORITY_DEFAULT);
@@ -225,16 +224,7 @@ config_file_new (struct t_weechat_plugin *plugin, const char *name,
             free (new_config_file);
             return NULL;
         }
-        new_config_file->filename = NULL;
-        length = strlen (ptr_name) + 8 + 1;
-        filename = malloc (length);
-        if (filename)
-        {
-            snprintf (filename, length, "%s.conf", ptr_name);
-            new_config_file->filename = strdup (filename);
-            free (filename);
-        }
-        if (!new_config_file->filename)
+        if (string_asprintf (&new_config_file->filename, "%s.conf", ptr_name) < 0)
         {
             free (new_config_file->name);
             free (new_config_file);
@@ -321,7 +311,7 @@ config_file_arraylist_cmp_config_cb (void *data,
  */
 
 struct t_arraylist *
-config_file_get_configs_by_priority ()
+config_file_get_configs_by_priority (void)
 {
     struct t_arraylist *list;
     struct t_config_file *ptr_config;
@@ -501,23 +491,16 @@ config_file_search_section (struct t_config_file *config_file,
 char *
 config_file_option_full_name (struct t_config_option *option)
 {
-    int length_option;
     char *option_full_name;
 
     if (!option)
         return NULL;
 
-    length_option = strlen (option->config_file->name) + 1 +
-        strlen (option->section->name) + 1 + strlen (option->name) + 1;
-    option_full_name = malloc (length_option);
-    if (option_full_name)
-    {
-        snprintf (option_full_name, length_option,
-                  "%s.%s.%s",
-                  option->config_file->name,
-                  option->section->name,
-                  option->name);
-    }
+    string_asprintf (&option_full_name,
+                     "%s.%s.%s",
+                     option->config_file->name,
+                     option->section->name,
+                     option->name);
 
     return option_full_name;
 }
@@ -650,7 +633,7 @@ config_file_option_insert_in_section (struct t_config_option *option)
  */
 
 struct t_config_option *
-config_file_option_malloc ()
+config_file_option_malloc (void)
 {
     struct t_config_option *new_option;
 
@@ -2373,7 +2356,7 @@ config_file_option_value_to_string (struct t_config_option *option,
 {
     char *value;
     const char *ptr_value;
-    int enabled, length;
+    int enabled;
 
     if (!option)
         return NULL;
@@ -2381,14 +2364,11 @@ config_file_option_value_to_string (struct t_config_option *option,
     if ((default_value && !option->default_value)
         || (!default_value && !option->value))
     {
-        length = 7 + ((use_colors) ? 64 : 0) + 1;
-        value = malloc (length);
-        if (!value)
-            return NULL;
-        snprintf (value, length,
-                  "%s%s",
-                  (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE_NULL) : "",
-                  "null");
+        string_asprintf (
+            &value,
+            "%s%s",
+            (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE_NULL) : "",
+            "null");
         return value;
     }
 
@@ -2397,66 +2377,51 @@ config_file_option_value_to_string (struct t_config_option *option,
         case CONFIG_OPTION_TYPE_BOOLEAN:
             enabled = (default_value) ?
                 CONFIG_BOOLEAN_DEFAULT(option) : CONFIG_BOOLEAN(option);
-            length = 7 + ((use_colors) ? 64 : 0) + 1;
-            value = malloc (length);
-            if (!value)
-                return NULL;
-            snprintf (value, length,
-                      "%s%s",
-                      (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
-                      (enabled) ? "on" : "off");
+            string_asprintf (
+                &value,
+                "%s%s",
+                (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
+                (enabled) ? "on" : "off");
             return value;
         case CONFIG_OPTION_TYPE_INTEGER:
-            length = 31 + ((use_colors) ? 64 : 0) + 1;
-            value = malloc (length);
-            if (!value)
-                return NULL;
-            snprintf (value, length,
-                      "%s%d",
-                      (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
-                      (default_value) ? CONFIG_INTEGER_DEFAULT(option) : CONFIG_INTEGER(option));
+            string_asprintf (
+                &value,
+                "%s%d",
+                (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
+                (default_value) ? CONFIG_INTEGER_DEFAULT(option) : CONFIG_INTEGER(option));
             return value;
         case CONFIG_OPTION_TYPE_STRING:
             ptr_value = (default_value) ? CONFIG_STRING_DEFAULT(option) : CONFIG_STRING(option);
-            length = strlen (ptr_value) + ((use_colors) ? 64 : 0) + 1;
-            value = malloc (length);
-            if (!value)
-                return NULL;
-            snprintf (value, length,
-                      "%s%s%s%s%s%s",
-                      (use_colors && use_delimiters) ? GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS) : "",
-                      (use_delimiters) ? "\"" : "",
-                      (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
-                      ptr_value,
-                      (use_colors && use_delimiters) ? GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS) : "",
-                      (use_delimiters) ? "\"" : "");
+            string_asprintf (
+                &value,
+                "%s%s%s%s%s%s",
+                (use_colors && use_delimiters) ? GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS) : "",
+                (use_delimiters) ? "\"" : "",
+                (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
+                ptr_value,
+                (use_colors && use_delimiters) ? GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS) : "",
+                (use_delimiters) ? "\"" : "");
             return value;
         case CONFIG_OPTION_TYPE_COLOR:
             ptr_value = gui_color_get_name (
                 (default_value) ? CONFIG_COLOR_DEFAULT(option) : CONFIG_COLOR(option));
             if (!ptr_value)
                 return NULL;
-            length = strlen (ptr_value) + ((use_colors) ? 64 : 0) + 1;
-            value = malloc (length);
-            if (!value)
-                return NULL;
-            snprintf (value, length,
-                      "%s%s",
-                      (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
-                      ptr_value);
+            string_asprintf (
+                &value,
+                "%s%s",
+                (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
+                ptr_value);
             return value;
         case CONFIG_OPTION_TYPE_ENUM:
             ptr_value = (default_value) ?
                 option->string_values[CONFIG_ENUM_DEFAULT(option)] :
-            option->string_values[CONFIG_ENUM(option)];
-            length = strlen (ptr_value) + ((use_colors) ? 64 : 0) + 1;
-            value = malloc (length);
-            if (!value)
-                return NULL;
-            snprintf (value, length,
-                      "%s%s",
-                      (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
-                      ptr_value);
+                option->string_values[CONFIG_ENUM(option)];
+            string_asprintf (
+                &value,
+                "%s%s",
+                (use_colors) ? GUI_COLOR(GUI_COLOR_CHAT_VALUE) : "",
+                ptr_value);
             return value;
         case CONFIG_NUM_OPTION_TYPES:
             /* make C compiler happy */
@@ -3187,7 +3152,7 @@ int
 config_file_write_internal (struct t_config_file *config_file,
                             int default_options)
 {
-    int filename_length, rc;
+    int rc;
     long file_perms;
     char *filename, *filename2, resolved_path[PATH_MAX], *error;
     struct t_config_section *ptr_section;
@@ -3197,25 +3162,24 @@ config_file_write_internal (struct t_config_file *config_file,
         return WEECHAT_CONFIG_WRITE_ERROR;
 
     /* build filename */
-    filename_length = strlen (weechat_config_dir) + strlen (DIR_SEPARATOR) +
-        strlen (config_file->filename) + 1;
-    filename = malloc (filename_length);
-    if (!filename)
+    if (string_asprintf (&filename,
+                         "%s%s%s",
+                         weechat_config_dir,
+                         DIR_SEPARATOR,
+                         config_file->filename) < 0)
+    {
         return WEECHAT_CONFIG_WRITE_MEMORY_ERROR;
-    snprintf (filename, filename_length, "%s%s%s",
-              weechat_config_dir, DIR_SEPARATOR, config_file->filename);
+    }
 
     /*
      * build temporary filename, this temp file will be renamed to filename
      * after write
      */
-    filename2 = malloc (filename_length + 32);
-    if (!filename2)
+    if (string_asprintf (&filename2, "%s.weechattmp", filename) < 0)
     {
         free (filename);
         return WEECHAT_CONFIG_WRITE_MEMORY_ERROR;
     }
-    snprintf (filename2, filename_length + 32, "%s.weechattmp", filename);
 
     /* if filename is a symbolic link, use target as filename */
     if (realpath (filename, resolved_path))
@@ -3624,8 +3588,7 @@ config_file_update_data_read (struct t_config_file *config_file,
 int
 config_file_read_internal (struct t_config_file *config_file, int reload)
 {
-    int filename_length, line_number, rc, length, version;
-    int warning_update_displayed;
+    int line_number, rc, length, version, warning_update_displayed;
     char *filename, *section, *option, *value;
     struct t_config_section *ptr_section;
     struct t_config_option *ptr_option;
@@ -3638,13 +3601,14 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
     warning_update_displayed = 0;
 
     /* build filename */
-    filename_length = strlen (weechat_config_dir) + strlen (DIR_SEPARATOR) +
-        strlen (config_file->filename) + 1;
-    filename = malloc (filename_length);
-    if (!filename)
+    if (string_asprintf (&filename,
+                         "%s%s%s",
+                         weechat_config_dir,
+                         DIR_SEPARATOR,
+                         config_file->filename) < 0)
+    {
         return WEECHAT_CONFIG_READ_MEMORY_ERROR;
-    snprintf (filename, filename_length, "%s%s%s",
-              weechat_config_dir, DIR_SEPARATOR, config_file->filename);
+    }
 
     /* create file with default options if it does not exist */
     if (access (filename, F_OK) != 0)
@@ -4186,7 +4150,7 @@ config_file_free (struct t_config_file *config_file)
  */
 
 void
-config_file_free_all ()
+config_file_free_all (void)
 {
     while (config_files)
     {
@@ -4533,7 +4497,7 @@ config_file_add_to_infolist (struct t_infolist *infolist,
  */
 
 void
-config_file_print_log ()
+config_file_print_log (void)
 {
     struct t_config_file *ptr_config_file;
     struct t_config_section *ptr_section;

src/core/core-config-file.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -205,7 +205,7 @@ extern int config_file_set_version (struct t_config_file *config_file,
                                                                            struct t_hashtable *data_read),
                                     const void *callback_update_pointer,
                                     void *callback_update_data);
-extern struct t_arraylist *config_file_get_configs_by_priority ();
+extern struct t_arraylist *config_file_get_configs_by_priority (void);
 extern struct t_config_section *config_file_new_section (struct t_config_file *config_file,
                                                          const char *name,
                                                          int user_can_add_options,
@@ -340,7 +340,7 @@ extern void config_file_option_free (struct t_config_option *option,
 extern void config_file_section_free_options (struct t_config_section *section);
 extern void config_file_section_free (struct t_config_section *section);
 extern void config_file_free (struct t_config_file *config_file);
-extern void config_file_free_all ();
+extern void config_file_free_all (void);
 extern void config_file_free_all_plugin (struct t_weechat_plugin *plugin);
 extern struct t_hdata *config_file_hdata_config_file_cb (const void *pointer,
                                                          void *data,
@@ -353,6 +353,6 @@ extern struct t_hdata *config_file_hdata_config_option_cb (const void *pointer,
                                                            const char *hdata_name);
 extern int config_file_add_to_infolist (struct t_infolist *infolist,
                                         const char *option_name);
-extern void config_file_print_log ();
+extern void config_file_print_log (void);
 
 #endif /* WEECHAT_CONFIG_FILE_H */

src/core/core-config.c

@@ -1,7 +1,7 @@
 /*
  * core-config.c - WeeChat configuration options (file weechat.conf)
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -217,8 +217,10 @@ struct t_config_option *config_look_scroll_page_percent = NULL;
 struct t_config_option *config_look_search_text_not_found_alert = NULL;
 struct t_config_option *config_look_separator_horizontal = NULL;
 struct t_config_option *config_look_separator_vertical = NULL;
+struct t_config_option *config_look_tab_whitespace_char = NULL;
 struct t_config_option *config_look_tab_width = NULL;
 struct t_config_option *config_look_time_format = NULL;
+struct t_config_option *config_look_whitespace_char = NULL;
 struct t_config_option *config_look_window_auto_zoom = NULL;
 struct t_config_option *config_look_window_separator_horizontal = NULL;
 struct t_config_option *config_look_window_separator_vertical = NULL;
@@ -307,6 +309,7 @@ struct t_config_option *config_completion_nick_case_sensitive = NULL;
 struct t_config_option *config_completion_nick_completer = NULL;
 struct t_config_option *config_completion_nick_first_only = NULL;
 struct t_config_option *config_completion_nick_ignore_chars = NULL;
+struct t_config_option *config_completion_nick_ignore_words = NULL;
 struct t_config_option *config_completion_partial_completion_alert = NULL;
 struct t_config_option *config_completion_partial_completion_command = NULL;
 struct t_config_option *config_completion_partial_completion_command_arg = NULL;
@@ -361,6 +364,7 @@ int config_num_highlight_tags = 0;
 char **config_plugin_extensions = NULL;
 int config_num_plugin_extensions = 0;
 char config_tab_spaces[TAB_MAX_WIDTH + 1];
+char config_tab_spaces_whitespace[(TAB_MAX_WIDTH * 4) + 1];
 struct t_config_look_word_char_item *config_word_chars_highlight = NULL;
 int config_word_chars_highlight_count = 0;
 struct t_config_look_word_char_item *config_word_chars_input = NULL;
@@ -372,6 +376,7 @@ char **config_eval_syntax_colors = NULL;
 int config_num_eval_syntax_colors = 0;
 char *config_item_time_evaluated = NULL;
 char *config_buffer_time_same_evaluated = NULL;
+struct t_hashtable *config_hashtable_completion_nick_ignore_words = NULL;
 struct t_hashtable *config_hashtable_completion_partial_templates = NULL;
 char **config_hotlist_sort_fields = NULL;
 int config_num_hotlist_sort_fields = 0;
@@ -428,7 +433,7 @@ config_check_config_permissions (const void *pointer, void *data,
  */
 
 void
-config_change_save_config_layout_on_exit ()
+config_change_save_config_layout_on_exit (void)
 {
     if (gui_init_ok && !CONFIG_BOOLEAN(config_look_save_config_on_exit)
         && (CONFIG_ENUM(config_look_save_layout_on_exit) != CONFIG_LOOK_SAVE_LAYOUT_ON_EXIT_NONE))
@@ -493,12 +498,8 @@ config_change_window_title (const void *pointer, void *data,
     (void) data;
     (void) option;
 
-    if (gui_init_ok
-        || (CONFIG_STRING(config_look_window_title)
-            && CONFIG_STRING(config_look_window_title)[0]))
-    {
+    if (gui_init_ok)
         gui_window_set_title (CONFIG_STRING(config_look_window_title));
-    }
 }
 
 /*
@@ -761,7 +762,7 @@ config_change_buffer_time_same (const void *pointer, void *data,
  */
 
 void
-config_compute_prefix_max_length_all_buffers ()
+config_compute_prefix_max_length_all_buffers (void)
 {
     struct t_gui_buffer *ptr_buffer;
 
@@ -780,7 +781,7 @@ config_compute_prefix_max_length_all_buffers ()
  */
 
 void
-config_set_nick_colors ()
+config_set_nick_colors (void)
 {
     if (config_nick_colors)
     {
@@ -859,7 +860,7 @@ config_change_look_nick_color_force (const void *pointer, void *data,
  */
 
 void
-config_set_eval_syntax_colors ()
+config_set_eval_syntax_colors (void)
 {
     if (config_eval_syntax_colors)
     {
@@ -1311,20 +1312,54 @@ config_check_separator (const void *pointer, void *data,
 }
 
 /*
- * Callback for changes on option "weechat.look.tab_width".
+ * Checks options "weechat.look.whitespace_char" and
+ * "weechat.look.tab_whitespace_char".
  */
 
-void
-config_change_tab_width (const void *pointer, void *data,
-                         struct t_config_option *option)
+int
+config_check_whitespace_char (const void *pointer, void *data,
+                              struct t_config_option *option,
+                              const char *value)
 {
     /* make C compiler happy */
     (void) pointer;
     (void) data;
     (void) option;
 
-    memset (config_tab_spaces, ' ', CONFIG_INTEGER(config_look_tab_width));
-    config_tab_spaces[CONFIG_INTEGER(config_look_tab_width)] = '\0';
+    return ((strlen (value) <= 4) && (utf8_strlen_screen (value) == 1)) ? 1 : 0;
+}
+
+/*
+ * Callback for changes on options "weechat.look.tab_width" and
+ * "weechat.look.tab_whitespace_char".
+ */
+
+void
+config_change_tab (const void *pointer, void *data,
+                   struct t_config_option *option)
+{
+    int tab_width, i;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+    (void) option;
+
+    tab_width = CONFIG_INTEGER(config_look_tab_width);
+
+    /* build a string with spaces that replace Tab char */
+    memset (config_tab_spaces, ' ', tab_width);
+    config_tab_spaces[tab_width] = '\0';
+
+    /* replaces spaces in whitespace mode */
+    config_tab_spaces_whitespace[0] = '\0';
+    strcat (config_tab_spaces_whitespace,
+            CONFIG_STRING(config_look_tab_whitespace_char));
+    for (i = 1; i < tab_width; i++)
+    {
+        strcat (config_tab_spaces_whitespace,
+                CONFIG_STRING(config_look_whitespace_char));
+    }
 
     gui_window_ask_refresh (1);
 }
@@ -1383,6 +1418,56 @@ config_change_eval_syntax_colors (const void *pointer, void *data,
     gui_color_buffer_display ();
 }
 
+/*
+ * Callback for changes on option "weechat.completion.nick_ignore_words".
+ */
+
+void
+config_change_completion_nick_ignore_words (const void *pointer,
+                                            void *data,
+                                            struct t_config_option *option)
+{
+    char **words;
+    int num_words, i;
+
+    /* make C compiler happy */
+    (void) pointer;
+    (void) data;
+    (void) option;
+
+    if (!config_hashtable_completion_nick_ignore_words)
+    {
+        config_hashtable_completion_nick_ignore_words = hashtable_new (
+            32,
+            WEECHAT_HASHTABLE_STRING,
+            WEECHAT_HASHTABLE_POINTER,
+            NULL, NULL);
+    }
+    else
+    {
+        hashtable_remove_all (config_hashtable_completion_nick_ignore_words);
+    }
+
+    words = string_split (
+        CONFIG_STRING(config_completion_nick_ignore_words),
+        ",",
+        NULL,
+        WEECHAT_STRING_SPLIT_STRIP_LEFT
+        | WEECHAT_STRING_SPLIT_STRIP_RIGHT
+        | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
+        0,
+        &num_words);
+    if (words)
+    {
+        for (i = 0; i < num_words; i++)
+        {
+            hashtable_set (config_hashtable_completion_nick_ignore_words,
+                           words[i], NULL);
+        }
+        string_free_split (words);
+    }
+}
+
 /*
  * Callback for changes on option
  * "weechat.completion.partial_completion_templates".
@@ -1567,7 +1652,7 @@ config_day_change_timer_cb (const void *pointer, void *data,
  */
 
 void
-config_weechat_init_after_read ()
+config_weechat_init_after_read (void)
 {
     int context;
 
@@ -1922,7 +2007,7 @@ config_weechat_debug_get (const char *plugin_name)
  */
 
 void
-config_weechat_debug_set_all ()
+config_weechat_debug_set_all (void)
 {
     struct t_config_option *ptr_option;
     struct t_weechat_plugin *ptr_plugin;
@@ -3142,7 +3227,7 @@ config_weechat_key_delete_option_cb (const void *pointer, void *data,
  */
 
 int
-config_weechat_init_options ()
+config_weechat_init_options (void)
 {
     int context;
     char section_name[128];
@@ -4336,13 +4421,24 @@ config_weechat_init_options ()
             &config_check_separator, NULL, NULL,
             &config_change_buffers, NULL, NULL,
             NULL, NULL, NULL);
+        config_look_tab_whitespace_char = config_file_new_option (
+            weechat_config_file, weechat_config_section_look,
+            "tab_whitespace_char", "string",
+            N_("first char to display for tabulations when whitespace mode is "
+               "enabled with command `/debug whitespace`; width on screen must "
+               "be exactly one char; subsequent chars are set by option "
+               "weechat.look.whitespace_char"),
+            NULL, 0, 0, "→", NULL, 0,
+            &config_check_whitespace_char, NULL, NULL,
+            &config_change_tab, NULL, NULL,
+            NULL, NULL, NULL);
         config_look_tab_width = config_file_new_option (
             weechat_config_file, weechat_config_section_look,
             "tab_width", "integer",
             N_("number of spaces used to display tabs in messages"),
             NULL, 1, TAB_MAX_WIDTH, "1", NULL, 0,
             NULL, NULL, NULL,
-            &config_change_tab_width, NULL, NULL,
+            &config_change_tab, NULL, NULL,
             NULL, NULL, NULL);
         config_look_time_format = config_file_new_option (
             weechat_config_file, weechat_config_section_look,
@@ -4351,6 +4447,16 @@ config_weechat_init_options ()
                "messages (see man strftime for date/time specifiers)"),
             NULL, 0, 0, "%a, %d %b %Y %T", NULL, 0,
             NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+        config_look_whitespace_char = config_file_new_option (
+            weechat_config_file, weechat_config_section_look,
+            "whitespace_char", "string",
+            N_("char to display for spaces when whitespace mode is enabled with "
+               "command `/debug whitespace`; width on screen must be exactly "
+               "one char; see also option weechat.look.tab_whitespace_char"),
+            NULL, 0, 0, "·", NULL, 0,
+            &config_check_whitespace_char, NULL, NULL,
+            &config_change_buffers, NULL, NULL,
+            NULL, NULL, NULL);
         config_look_window_auto_zoom = config_file_new_option (
             weechat_config_file, weechat_config_section_look,
             "window_auto_zoom", "boolean",
@@ -5116,6 +5222,19 @@ config_weechat_init_options ()
             N_("chars ignored for nick completion"),
             NULL, 0, 0, "[]`_-^", NULL, 0,
             NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+        config_completion_nick_ignore_words = config_file_new_option (
+            weechat_config_file, weechat_config_section_completion,
+            "nick_ignore_words", "string",
+            N_("comma-separated list of nicks to ignore (not completed); "
+               "the whole nick must be set in this option even if chars are "
+               "ignored in completion with option "
+               "weechat.completion.nick_ignore_chars; look up for nicks is with "
+               "exact case then lower case, so it's possible to use only lower "
+               "case for nicks in this option"),
+            NULL, 0, 0, "", NULL, 0,
+            NULL, NULL, NULL,
+            &config_change_completion_nick_ignore_words, NULL, NULL,
+            NULL, NULL, NULL);
         config_completion_partial_completion_alert = config_file_new_option (
             weechat_config_file, weechat_config_section_completion,
             "partial_completion_alert", "boolean",
@@ -5469,7 +5588,7 @@ config_weechat_init_options ()
  */
 
 int
-config_weechat_init ()
+config_weechat_init (void)
 {
     int rc;
     struct timeval tv_time;
@@ -5477,6 +5596,8 @@ config_weechat_init ()
     time_t seconds;
 
     snprintf (config_tab_spaces, sizeof (config_tab_spaces), " ");
+    snprintf (config_tab_spaces_whitespace, sizeof (config_tab_spaces_whitespace),
+              "\u2192");
 
     rc = config_weechat_init_options ();
 
@@ -5512,6 +5633,8 @@ config_weechat_init ()
         config_change_word_chars_highlight (NULL, NULL, NULL);
     if (!config_word_chars_input)
         config_change_word_chars_input (NULL, NULL, NULL);
+    if (!config_hashtable_completion_nick_ignore_words)
+        config_change_completion_nick_ignore_words (NULL, NULL, NULL);
     if (!config_hashtable_completion_partial_templates)
         config_change_completion_partial_completion_templates (NULL, NULL, NULL);
 
@@ -5528,7 +5651,7 @@ config_weechat_init ()
  */
 
 int
-config_weechat_read ()
+config_weechat_read (void)
 {
     int rc;
 
@@ -5551,7 +5674,7 @@ config_weechat_read ()
  */
 
 int
-config_weechat_write ()
+config_weechat_write (void)
 {
     return config_file_write (weechat_config_file);
 }
@@ -5561,7 +5684,7 @@ config_weechat_write ()
  */
 
 void
-config_weechat_free ()
+config_weechat_free (void)
 {
     config_file_free (weechat_config_file);
 
@@ -5639,6 +5762,12 @@ config_weechat_free ()
         config_buffer_time_same_evaluated = NULL;
     }
 
+    if (config_hashtable_completion_nick_ignore_words)
+    {
+        hashtable_free (config_hashtable_completion_nick_ignore_words);
+        config_hashtable_completion_nick_ignore_words = NULL;
+    }
+
     if (config_hashtable_completion_partial_templates)
     {
         hashtable_free (config_hashtable_completion_partial_templates);

src/core/core-config.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
  *
  * This file is part of WeeChat, the extensible chat client.
@@ -273,8 +273,10 @@ extern struct t_config_option *config_look_scroll_page_percent;
 extern struct t_config_option *config_look_search_text_not_found_alert;
 extern struct t_config_option *config_look_separator_horizontal;
 extern struct t_config_option *config_look_separator_vertical;
+extern struct t_config_option *config_look_tab_whitespace_char;
 extern struct t_config_option *config_look_tab_width;
 extern struct t_config_option *config_look_time_format;
+extern struct t_config_option *config_look_whitespace_char;
 extern struct t_config_option *config_look_window_auto_zoom;
 extern struct t_config_option *config_look_window_separator_horizontal;
 extern struct t_config_option *config_look_window_separator_vertical;
@@ -356,6 +358,7 @@ extern struct t_config_option *config_completion_nick_case_sensitive;
 extern struct t_config_option *config_completion_nick_completer;
 extern struct t_config_option *config_completion_nick_first_only;
 extern struct t_config_option *config_completion_nick_ignore_chars;
+extern struct t_config_option *config_completion_nick_ignore_words;
 extern struct t_config_option *config_completion_partial_completion_alert;
 extern struct t_config_option *config_completion_partial_completion_command;
 extern struct t_config_option *config_completion_partial_completion_command_arg;
@@ -397,6 +400,7 @@ extern int config_num_highlight_tags;
 extern char **config_plugin_extensions;
 extern int config_num_plugin_extensions;
 extern char config_tab_spaces[];
+extern char config_tab_spaces_whitespace[];
 extern struct t_config_look_word_char_item *config_word_chars_highlight;
 extern int config_word_chars_highlight_count;
 extern struct t_config_look_word_char_item *config_word_chars_input;
@@ -407,24 +411,25 @@ extern struct t_hashtable *config_hashtable_nick_color_force;
 extern char **config_eval_syntax_colors;
 extern int config_num_eval_syntax_colors;
 extern char *config_buffer_time_same_evaluated;
+extern struct t_hashtable *config_hashtable_completion_nick_ignore_words;
 extern struct t_hashtable *config_hashtable_completion_partial_templates;
 extern char **config_hotlist_sort_fields;
 extern int config_num_hotlist_sort_fields;
 
-extern void config_set_nick_colors ();
+extern void config_set_nick_colors (void);
 extern struct t_config_option *config_weechat_debug_get (const char *plugin_name);
 extern int config_weechat_debug_set (const char *plugin_name,
                                      const char *value);
-extern void config_weechat_debug_set_all ();
+extern void config_weechat_debug_set_all (void);
 extern int config_weechat_buffer_set (struct t_gui_buffer *buffer,
                                       const char *property, const char *value);
 extern int config_weechat_notify_set (struct t_gui_buffer *buffer,
                                       const char *notify);
 extern void config_get_item_time (char *text_time, int max_length);
 extern int config_weechat_get_key_context (struct t_config_section *section);
-extern int config_weechat_init ();
-extern int config_weechat_read ();
-extern int config_weechat_write ();
-extern void config_weechat_free ();
+extern int config_weechat_init (void);
+extern int config_weechat_read (void);
+extern int config_weechat_write (void);
+extern void config_weechat_free (void);
 
 #endif /* WEECHAT_CONFIG_H */

src/core/core-crypto.c

@@ -1,7 +1,7 @@
 /*
  * core-crypto.c - cryptographic functions
  *
- * Copyright (C) 2018-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-crypto.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2018-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-debug.c

@@ -1,7 +1,7 @@
 /*
  * core-debug.c - debug functions
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -93,7 +93,7 @@ long long debug_long_callbacks = 0;    /* callbacks taking more than        */
  */
 
 void
-debug_build_info ()
+debug_build_info (void)
 {
     /* display version and compilation date/time */
     string_fprintf (
@@ -228,8 +228,11 @@ debug_dump_cb (const void *pointer, void *data,
  */
 
 void
-debug_sigsegv_cb ()
+debug_sigsegv_cb (int signo)
 {
+    /* make C compiler happy */
+    (void) signo;
+
     debug_dump (1);
     unhook_all ();
     gui_main_end (0);
@@ -340,7 +343,7 @@ debug_windows_tree_display (struct t_gui_window_tree *tree, int indent)
  */
 
 void
-debug_windows_tree ()
+debug_windows_tree (void)
 {
     gui_chat_printf (NULL, "");
     gui_chat_printf (NULL, _("Windows tree:"));
@@ -352,7 +355,7 @@ debug_windows_tree ()
  */
 
 void
-debug_memory ()
+debug_memory (void)
 {
 #ifdef HAVE_MALLINFO2
     struct mallinfo2 info;
@@ -498,7 +501,7 @@ debug_hdata_map_cb (void *data,
  */
 
 void
-debug_hdata ()
+debug_hdata (void)
 {
     int count;
 
@@ -516,7 +519,7 @@ debug_hdata ()
  */
 
 void
-debug_hooks ()
+debug_hooks (void)
 {
     int i;
 
@@ -650,7 +653,7 @@ debug_hooks_plugin_types (const char *plugin_mask, const char **hook_types)
  */
 
 void
-debug_infolists ()
+debug_infolists (void)
 {
     struct t_infolist *ptr_infolist;
     struct t_infolist_item *ptr_item;
@@ -814,7 +817,7 @@ debug_libs_cb (const void *pointer, void *data,
  */
 
 void
-debug_directories ()
+debug_directories (void)
 {
     char *extra_libdir, str_temp[1024];
 
@@ -862,7 +865,9 @@ debug_display_time_elapsed (struct timeval *time1, struct timeval *time2,
 
     gettimeofday (&debug_timeval_end, NULL);
     diff = util_timeval_diff (time1, time2);
-    str_diff = util_get_microseconds_string (diff);
+    if (diff < 0)
+        diff *= -1;
+    str_diff = util_get_microseconds_string ((unsigned long long)diff);
 
     if (display)
     {
@@ -1023,7 +1028,7 @@ debug_unicode (const char *string)
  */
 
 void
-debug_init ()
+debug_init (void)
 {
     /*
      * hook signals with high priority, to be sure they will be used before
@@ -1039,6 +1044,6 @@ debug_init ()
  */
 
 void
-debug_end ()
+debug_end (void)
 {
 }

src/core/core-debug.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -26,22 +26,22 @@ struct t_gui_window_tree;
 
 extern long long debug_long_callbacks;
 
-extern void debug_build_info ();
-extern void debug_sigsegv_cb ();
-extern void debug_windows_tree ();
-extern void debug_memory ();
-extern void debug_hdata ();
-extern void debug_hooks ();
+extern void debug_build_info (void);
+extern void debug_sigsegv_cb (int signo);
+extern void debug_windows_tree (void);
+extern void debug_memory (void);
+extern void debug_hdata (void);
+extern void debug_hooks (void);
 extern void debug_hooks_plugin_types (const char *plugin_name,
                                       const char **hook_types);
-extern void debug_infolists ();
-extern void debug_directories ();
+extern void debug_infolists (void);
+extern void debug_directories (void);
 extern void debug_display_time_elapsed (struct timeval *time1,
                                         struct timeval *time2,
                                         const char *message,
                                         int display);
 extern void debug_unicode (const char *string);
-extern void debug_init ();
-extern void debug_end ();
+extern void debug_init (void);
+extern void debug_end (void);
 
 #endif /* WEECHAT_DEBUG_H */

src/core/core-dir.c

@@ -1,7 +1,7 @@
 /*
  * core-dir.c - directory/file functions
  *
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -64,7 +64,7 @@
  */
 
 char *
-dir_get_temp_dir ()
+dir_get_temp_dir (void)
 {
     char *tmpdir;
     struct stat buf;
@@ -109,7 +109,7 @@ int
 dir_mkdir_home (const char *directory, int mode)
 {
     char *dir, *dir1, *dir2, *dir3, *dir4, *dir5;
-    int rc, dir_length;
+    int rc;
 
     rc = 0;
     dir = NULL;
@@ -129,11 +129,8 @@ dir_mkdir_home (const char *directory, int mode)
     else
     {
         /* build directory in data dir by default */
-        dir_length = strlen (weechat_data_dir) + strlen (directory) + 2;
-        dir = malloc (dir_length);
-        if (!dir)
+        if (string_asprintf (&dir, "%s/%s", weechat_data_dir, directory) < 0)
             goto end;
-        snprintf (dir, dir_length, "%s/%s", weechat_data_dir, directory);
     }
 
     dir1 = string_replace (dir, "${weechat_config_dir}", weechat_config_dir);
@@ -383,10 +380,10 @@ end:
  */
 
 int
-dir_create_home_temp_dir ()
+dir_create_home_temp_dir (void)
 {
     char *temp_dir, *temp_home_template, *ptr_weechat_home;
-    int rc, length, add_separator;
+    int rc, add_separator;
 
     rc = 0;
     temp_dir = NULL;
@@ -396,16 +393,15 @@ dir_create_home_temp_dir ()
     if (!temp_dir || !temp_dir[0])
         goto memory_error;
 
-    length = strlen (temp_dir) + 32 + 1;
-    temp_home_template = malloc (length);
-    if (!temp_home_template)
-        goto memory_error;
-
     add_separator = (temp_dir[strlen (temp_dir) - 1] != DIR_SEPARATOR_CHAR);
-    snprintf (temp_home_template, length,
-              "%s%sweechat_temp_XXXXXX",
-              temp_dir,
-              add_separator ? DIR_SEPARATOR : "");
+
+    if (string_asprintf (&temp_home_template,
+                         "%s%sweechat_temp_XXXXXX",
+                         temp_dir,
+                         (add_separator) ? DIR_SEPARATOR : "") < 0)
+    {
+        goto memory_error;
+    }
     ptr_weechat_home = mkdtemp (temp_home_template);
     if (!ptr_weechat_home)
     {
@@ -603,7 +599,7 @@ error:
  */
 
 int
-dir_find_home_dirs ()
+dir_find_home_dirs (void)
 {
     char *ptr_home, *ptr_weechat_home, *config_weechat_home;
     char *config_dir, *data_dir, *state_dir, *cache_dir, *runtime_dir;
@@ -742,7 +738,7 @@ dir_create_home_dir (char *path)
  */
 
 void
-dir_create_home_dirs ()
+dir_create_home_dirs (void)
 {
     int rc;
 
@@ -776,7 +772,7 @@ error:
  */
 
 void
-dir_remove_home_dirs ()
+dir_remove_home_dirs (void)
 {
     dir_rmtree (weechat_config_dir);
     if (strcmp (weechat_config_dir, weechat_data_dir) != 0)
@@ -802,7 +798,7 @@ dir_remove_home_dirs ()
  */
 
 char *
-dir_get_string_home_dirs ()
+dir_get_string_home_dirs (void)
 {
     char *dirs[6];
 

src/core/core-dir.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2003-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -20,14 +20,14 @@
 #ifndef WEECHAT_DIR_H
 #define WEECHAT_DIR_H
 
-extern char *dir_get_temp_dir();
+extern char *dir_get_temp_dir (void);
 extern int dir_mkdir_home (const char *directory, int mode);
 extern int dir_mkdir (const char *directory, int mode);
 extern int dir_mkdir_parents (const char *directory, int mode);
 extern int dir_rmtree (const char *directory);
-extern void dir_create_home_dirs ();
-extern void dir_remove_home_dirs ();
-extern char *dir_get_string_home_dirs ();
+extern void dir_create_home_dirs (void);
+extern void dir_remove_home_dirs (void);
+extern char *dir_get_string_home_dirs (void);
 extern void dir_exec_on_files (const char *directory, int recurse_subdirs,
                                int hidden_files,
                                void (*callback)(void *data,

src/core/core-doc.c

@@ -1,7 +1,7 @@
 /*
  * core-doc.c - documentation generator
  *
- * Copyright (C) 2023-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2023-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-doc.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2023-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2023-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *

src/core/core-eval.c

@@ -1,7 +1,7 @@
 /*
  * core-eval.c - evaluate expressions with references to internal vars
  *
- * Copyright (C) 2012-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *
@@ -300,6 +300,9 @@ eval_string_range_chars (const char *range)
     string = NULL;
     result = NULL;
 
+    if (!range || !range[0])
+        goto end;
+
     for (i = 0; eval_range_chars[i][0]; i++)
     {
         if (strcmp (range, eval_range_chars[i][0]) == 0)
@@ -309,11 +312,15 @@ eval_string_range_chars (const char *range)
     char1 = utf8_char_int (range);
 
     /* next char must be '-' */
+    if (!range[0])
+        goto end;
     ptr_char = utf8_next_char (range);
     if (!ptr_char || !ptr_char[0] || (ptr_char[0] != '-'))
         goto end;
 
     /* next char is the char2 */
+    if (!range[0])
+        goto end;
     ptr_char = utf8_next_char (ptr_char);
     if (!ptr_char || !ptr_char[0])
         goto end;
@@ -894,7 +901,7 @@ eval_string_base_encode (const char *text)
 
     ptr_string++;
     length = strlen (ptr_string);
-    result = malloc ((length * 4) + 1);
+    result = malloc ((length * 4) + 8 + 1);
     if (!result)
         goto end;
 
@@ -1572,7 +1579,8 @@ eval_syntax_highlight_colorize (const char *value)
             else if (ptr_value[0] == '-')
                 color--;
         }
-        ptr_value++;
+        if (ptr_value[0])
+            ptr_value++;
         if (config_num_eval_syntax_colors > 0)
         {
             string_dyn_concat (
@@ -2524,11 +2532,9 @@ eval_replace_regex (const char *string, regex_t *regex, const char *replace,
     if (!string || !regex || !replace)
         goto end;
 
-    length = strlen (string) + 1;
-    result = malloc (length);
+    result = strdup (string);
     if (!result)
         goto end;
-    snprintf (result, length, "%s", string);
 
     eval_context->regex = &eval_regex;
     eval_context->regex_replacement_index = 1;

src/core/core-eval.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012-2024 Sébastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2012-2025 Sébastien Helleu <flashcode@flashtux.org>
  *
  * This file is part of WeeChat, the extensible chat client.
  *