core, relay: fix include directory of libzstd

irc: fix crash in split of IRC message containing a newline if the server is not given
python: fix truncation of unsigned long long integer returned by function string_parse_size
2026-06-12 22:24:47 +02:00 · 2024-05-26 23:57:21 +02:00 · 2024-05-25 19:55:18 +02:00 · 2024-02-25 17:10:19 +01:00 · 2024-02-25 16:14:54 +01:00 · 2024-02-25 13:45:41 +01:00
123 changed files with 1848 additions and 454 deletions
@@ -33,6 +33,8 @@ jobs:
      run: |
        sudo apt-get update -qq
        sudo apt-get --yes --no-install-recommends install ${{ env.WEECHAT_DEPENDENCIES }}
+        # uninstall php imagick as is causes a crash when loading php plugin (see #2009)
+        sudo apt-get --yes purge php8.1-imagick
        sudo -H pip3 install --ignore-installed msgcheck

    - name: Check gettext files
@@ -82,7 +84,6 @@ jobs:
      matrix:
        os:
          - macos-12
-          - macos-11
        config:
          - { name: "gcc", cc: "gcc", cxx: "g++" }
          - { name: "clang", cc: "clang", cxx: "clang++" }
@@ -200,20 +200,6 @@ if(ENABLE_LARGEFILE)
  add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -D_LARGE_FILES)
 endif()

-# Check for Gettext
-if(ENABLE_NLS)
-  find_package(Gettext)
-  if(GETTEXT_FOUND)
-    add_definitions(-DENABLE_NLS)
-    find_package(Intl)
-    if(Intl_FOUND)
-      list(APPEND EXTRA_LIBS "${Intl_LIBRARIES}")
-    endif()
-  else()
-    message(SEND_ERROR "Gettext not found")
-  endif()
-endif()
-
 # Check for libgcrypt
 find_package(GCRYPT REQUIRED)
 add_definitions(-DHAVE_GCRYPT)
@@ -258,7 +244,13 @@ endif()
 add_subdirectory(icons)

 if(ENABLE_NLS)
+  find_package(Gettext REQUIRED)
+  add_definitions(-DENABLE_NLS)
+  find_package(Intl REQUIRED)
+  list(APPEND EXTRA_LIBS "${Intl_LIBRARIES}")
  add_subdirectory(po)
+else()
+  add_custom_target(translations COMMAND true)
 endif()

 add_subdirectory(src)
@@ -10,6 +10,87 @@ This document lists all the changes for each version. +
 For a list of important changes that require manual actions, please look at release notes.


+[[v4.0.9]]
+== Version 4.0.9 (under dev)
+
+Bug fixes::
+
+  * core, relay: fix include directory of libzstd
+  * core: add missing mouse events "alt-ctrl-button2" and "alt-ctrl-button3"
+  * irc: fix crash in split of IRC message containing a newline if the server is not given
+  * python: fix truncation of unsigned long long integer returned by function string_parse_size
+  * script: always display list of scripts when searching scripts with `/script search` (issue #2077)
+  * tcl: fix truncation of long integer returned by function hdata_long
+  * trigger: fix memory leak when adding a new trigger with `/trigger` command
+
+Build::
+
+  * ruby: add detection of Ruby 3.3
+
+[[v4.0.8]]
+== Version 4.0.8 (2024-01-20)
+
+Bug fixes::
+
+  * core: fix crash on plugin reload when using musl libc (issue #2052)
+  * core: fix infinite loop in display when the chat area is too small (issue #2053)
+  * irc: check if arguments are not NULL in some infos
+  * irc: fix info "irc_is_message_ignored" (issue #2059)
+  * irc: fix display of self messages when the message split fails due to inconsistent max lengths sent by the server in message 005
+
+[[v4.0.7]]
+== Version 4.0.7 (2023-12-03)
+
+Bug fixes::
+
+  * core: fix value of buffer variable "num_history" when the value defined in option weechat.history.max_commands is reached
+  * core: remove incorrect warning when binding keys kbd:[F10] to kbd:[F20] (issue #2039)
+  * core: fix memory leak when config version is invalid or not supported
+  * core: fix crash when "config_version" is present in a configuration file without a value
+  * core: display an error on startup if environment variable "HOME" is not set
+  * irc: remove trailing "\r\n" in signals "irc_out" and "irc_outtags" when messages are queued
+  * irc: fix target buffer of IRC message 337 (whois reply: "is hiding their idle time")
+  * relay: close properly connection with the IRC client in case of server disconnection (issue #2038)
+  * ruby: fix use of NULL variable when displaying exception
+
+[[v4.0.6]]
+== Version 4.0.6 (2023-10-26)
+
+Bug fixes::
+
+  * core: fix crash when a custom bar item name is already used by a default bar item (issue #2034)
+  * core: fix generation of TOTP on Big Endian systems (issue #2021)
+  * irc: move value `-all` at the end of completions for command `/ignore del`
+  * irc: fix memory leak when joining channels with keys
+
+Build::
+
+  * core: fix build error if CMake option ENABLE_NLS is turned to off or if required dependencies are not found (issue #2026, issue #2031)
+
+[[v4.0.5]]
+== Version 4.0.5 (2023-09-24)
+
+New features::
+
+  * core: automatically backup config file read if it has an unsupported version (issue #2013)
+  * core: display a message when a configuration file is updated to a newer version
+  * python: make stub (weechat.pyi) compatible with Python 3.8 and 3.9 (issue #2006)
+
+Bug fixes::
+
+  * irc: add option irc.look.open_pv_buffer_echo_msg to open private buffer on self message when capability echo-message is enabled (issue #2016)
+  * irc: fix title of private buffers wrongly set to own address when capability echo-message is enabled (issue #2016)
+  * irc: fix autojoin of channels when private buffers are opened (issue #2012)
+  * irc: fix string comparison when CASEMAPPING is set to "ascii"
+  * script: fix removal of script in system directory while trying to install a script (issue #2019)
+  * script: fix autoload of multiple scripts at once with `/script autoload` (issue #2018)
+  * script: fix crash when a `/script` command triggers another `/script` command (issue #923)
+  * xfer: fix memory leak on plugin unload
+
+Tests::
+
+  * irc: add tests on server functions
+
 [[v4.0.4]]
 == Version 4.0.4 (2023-08-22)

@@ -55,8 +136,8 @@ Bug fixes::
  * core: fix renaming of options with command `/item rename` (issue #1978)
  * core: don't send "key_pressed" signal again for the same key press (issue #1976)
  * core: don't send "key_combo_*" signals for incomplete keys (issue #1976)
-  * core: add key ctrl-backspace in /help key (issue #1975)
-  * core: keep keys ctrl-H and ctrl-? (in lower case) if they were manually bound to custom commands in a previous version
+  * core: add key kbd:[Ctrl+Backspace] in /help key (issue #1975)
+  * core: keep keys `ctrl-H` and `ctrl-?` (in lower case) if they were manually bound to custom commands in a previous version

 Tests::

@@ -94,7 +175,7 @@ New features::
  * core: insert multiple pasted lines in input instead of sending immediately, add keys to move and delete in a single line and whole input, add option weechat.look.input_multiline_lead_linebreak (issue #1502, issue #1503, issue #1504)
  * core: render newline characters in chat line messages (issue #1908)
  * core: don't split on newline characters in printf_date_tags when input_multiline is set (issue #1909)
-  * core: add key @kbd:[l] in cursor mode to quote line, add variable "_chat_focused_line" in function hashtable sent to hook_focus callback (issue #1913, issue #1914)
+  * core: add key kbd:[l] (lower `L`) in cursor mode to quote line, add variable "_chat_focused_line" in function hashtable sent to hook_focus callback (issue #1913, issue #1914)
  * core: add option `split_return` in command `/input` (issue #1916)
  * core: send all command line parameters not beginning with a dash to all plugins
  * core: add command `/reset` to reset options to their default values
@@ -1708,7 +1789,7 @@ New features::
  * core: add option weechat.look.hotlist_add_conditions, remove option weechat.look.hotlist_add_buffer_if_away
  * core: add option weechat.look.hotlist_remove (issue #99)
  * core: add options `-beep` and `-current` in command `/print`
-  * core: add bare display mode for easy text selection and click on URLs, new key: kbd:[Alt+l] (`L`), new option "bare" in command `/window`, new options: weechat.look.bare_display_exit_on_input and weechat.look.bare_display_time_format
+  * core: add bare display mode for easy text selection and click on URLs, new key: kbd:[Alt+l] (lower `L`), new option "bare" in command `/window`, new options: weechat.look.bare_display_exit_on_input and weechat.look.bare_display_time_format
  * core: add signals "key_combo_{default|search|cursor}"
  * core: add terabyte unit for size displayed
  * core: display a warning in case of inconsistency between the options weechat.look.save_{config|layout}_on_exit
@@ -11,6 +11,34 @@ It is recommended to read it when upgrading to a new stable version. +
 For a complete list of changes, please look at ChangeLog.


+[[v4.0.8]]
+== Version 4.0.8 (2024-01-20)
+
+No release notes.
+
+[[v4.0.7]]
+== Version 4.0.7 (2023-12-03)
+
+No release notes.
+
+[[v4.0.6]]
+== Version 4.0.6 (2023-10-26)
+
+[[v4.0.6_custom_bar_items]]
+=== Custom bar items
+
+Custom bar items must now have a different name than default bar items
+(for example the custom bar item name `time` is now forbidden).
+
+If you have such names in your config, WeeChat will now fail to load them
+(this should not happen anyway, since such bar items can not be properly used
+and can cause a crash of WeeChat).
+
+[[v4.0.5]]
+== Version 4.0.5 (2023-09-24)
+
+No release notes.
+
 [[v4.0.4]]
 == Version 4.0.4 (2023-08-22)

@@ -45,26 +45,28 @@ set(CMAKE_REQUIRED_INCLUDES ${LIBINTL_INCLUDE})

 check_include_files(libintl.h HAVE_LIBINTL_H)

-if(HAVE_LIBINTL_H)
-  check_function_exists(dgettext LIBC_HAS_DGETTEXT)
-  if(LIBC_HAS_DGETTEXT)
-    set(GETTEXT_FOUND TRUE)
-  else()
-    find_library(LIBINTL_LIBRARY NAMES intl
-      PATHS
-      /usr/local/lib
-      /usr/lib
-    )
-    if(LIBINTL_LIBRARY)
-      if(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
-        set(CMAKE_REQUIRED_LIBRARIES "iconv")
-        check_library_exists(${LIBINTL_LIBRARY} "libintl_dgettext" "" LIBINTL_HAS_DGETTEXT)
-      else()
-        check_library_exists(${LIBINTL_LIBRARY} "dgettext" "" LIBINTL_HAS_DGETTEXT)
-      endif()
-      if(LIBINTL_HAS_DGETTEXT)
-        set(GETTEXT_FOUND TRUE)
-      endif()
+if(NOT HAVE_LIBINTL_H)
+  message(SEND_ERROR "Header libintl.h not found, required if ENABLE_NLS is enabled")
+endif()
+
+check_function_exists(dgettext LIBC_HAS_DGETTEXT)
+if(LIBC_HAS_DGETTEXT)
+  set(GETTEXT_FOUND TRUE)
+else()
+  find_library(LIBINTL_LIBRARY NAMES intl
+    PATHS
+    /usr/local/lib
+    /usr/lib
+  )
+  if(LIBINTL_LIBRARY)
+    if(${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+      set(CMAKE_REQUIRED_LIBRARIES "iconv")
+      check_library_exists(${LIBINTL_LIBRARY} "libintl_dgettext" "" LIBINTL_HAS_DGETTEXT)
+    else()
+      check_library_exists(${LIBINTL_LIBRARY} "dgettext" "" LIBINTL_HAS_DGETTEXT)
+    endif()
+    if(LIBINTL_HAS_DGETTEXT)
+      set(GETTEXT_FOUND TRUE)
    endif()
  endif()
 endif()
@@ -37,7 +37,7 @@ if(PKG_CONFIG_FOUND)
    # set specific search path for macOS
    set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/opt/ruby/lib/pkgconfig")
  endif()
-  pkg_search_module(RUBY ruby-3.2 ruby-3.1 ruby-3.0 ruby-2.7 ruby-2.6 ruby-2.5 ruby-2.4 ruby-2.3 ruby-2.2 ruby-2.1 ruby-2.0 ruby-1.9 ruby)
+  pkg_search_module(RUBY ruby-3.3 ruby-3.2 ruby-3.1 ruby-3.0 ruby-2.7 ruby-2.6 ruby-2.5 ruby-2.4 ruby-2.3 ruby-2.2 ruby-2.1 ruby-2.0 ruby-1.9 ruby)
  if(RUBY_FOUND AND ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
    # FIXME: weird hack: hardcoding the Ruby lib location on macOS
    set(RUBY_LDFLAGS "${RUBY_LDFLAGS} -L/usr/local/opt/ruby/lib")
@@ -1,4 +1,3 @@
-#cmakedefine HAVE_LIBINTL_H
 #cmakedefine HAVE_SYS_RESOURCE_H
 #cmakedefine HAVE_FLOCK
 #cmakedefine HAVE_LANGINFO_CODESET
@@ -1,3 +1,25 @@
+weechat (4.0.5-1) unstable; urgency=medium
+
+  * New upstream release
+
+ -- Emmanuel Bouthenot <kolter@debian.org>  Sun, 24 Sep 2023 07:49:41 +0000
+
+weechat (4.0.2-1) unstable; urgency=medium
+
+  * New upstream release (Closes: #1040248)
+
+ -- Emmanuel Bouthenot <kolter@debian.org>  Sat, 22 Jul 2023 05:48:35 +0000
+
+weechat (4.0.1-1) unstable; urgency=medium
+
+  * New upstream release
+  * Remove NEWS file, no longer required
+  * Update build dependency from libncursesw5-dev to libncurses-dev
+  * Bump Standards-Version to 4.6.2
+  * Remove all patches (no longer required)
+
+ -- Emmanuel Bouthenot <kolter@debian.org>  Tue, 04 Jul 2023 19:02:41 +0000
+
 weechat (3.8-1) unstable; urgency=medium

  * New upstream release
@@ -6796,7 +6796,7 @@ def config_new_section(config_file: str, name: str,
                       callback_delete_option: str, callback_delete_option_data: str) -> str: ...

 # example
-def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -6815,7 +6815,7 @@ def my_section_write_default_cb(data: str, config_file: str, section_name: str)
    # return weechat.WEECHAT_CONFIG_WRITE_ERROR
    # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -7056,7 +7056,7 @@ Script (Python):
 # prototype
 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str: ...
@@ -6819,9 +6819,10 @@ my_section_read_cb (const void *pointer, void *data,
 {
    /* ... */

-    return WEECHAT_CONFIG_READ_OK;
-    /* return WEECHAT_CONFIG_READ_MEMORY_ERROR; */
-    /* return WEECHAT_CONFIG_READ_FILE_NOT_FOUND; */
+    return WEECHAT_CONFIG_OPTION_SET_OK_CHANGED;
+    /* return WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE; */
+    /* return WEECHAT_CONFIG_OPTION_SET_ERROR; */
+    /* return WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND; */
 }

 int
@@ -6911,7 +6912,7 @@ def config_new_section(config_file: str, name: str,
                       callback_delete_option: str, callback_delete_option_data: str) -> str: ...

 # exemple
-def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -6930,7 +6931,7 @@ def my_section_write_default_cb(data: str, config_file: str, section_name: str)
    # return weechat.WEECHAT_CONFIG_WRITE_ERROR
    # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -7176,7 +7177,7 @@ Script (Python) :
 # prototype
 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str: ...
@@ -6980,9 +6980,10 @@ my_section_read_cb (const void *pointer, void *data,
 {
    /* ... */

-    return WEECHAT_CONFIG_READ_OK;
-    /* return WEECHAT_CONFIG_READ_MEMORY_ERROR; */
-    /* return WEECHAT_CONFIG_READ_FILE_NOT_FOUND; */
+    return WEECHAT_CONFIG_OPTION_SET_OK_CHANGED;
+    /* return WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE; */
+    /* return WEECHAT_CONFIG_OPTION_SET_ERROR; */
+    /* return WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND; */
 }

 int
@@ -7072,7 +7073,7 @@ def config_new_section(config_file: str, name: str,
                       callback_delete_option: str, callback_delete_option_data: str) -> str: ...

 # esempio
-def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -7091,7 +7092,7 @@ def my_section_write_default_cb(data: str, config_file: str, section_name: str)
    # return weechat.WEECHAT_CONFIG_WRITE_ERROR
    # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -7337,7 +7338,7 @@ Script (Python):
 # prototipo
 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str: ...
@@ -6784,9 +6784,10 @@ my_section_read_cb (const void *pointer, void *data,
 {
    /* ... */

-    return WEECHAT_CONFIG_READ_OK;
-    /* return WEECHAT_CONFIG_READ_MEMORY_ERROR; */
-    /* return WEECHAT_CONFIG_READ_FILE_NOT_FOUND; */
+    return WEECHAT_CONFIG_OPTION_SET_OK_CHANGED;
+    /* return WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE; */
+    /* return WEECHAT_CONFIG_OPTION_SET_ERROR; */
+    /* return WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND; */
 }

 int
@@ -6876,7 +6877,7 @@ def config_new_section(config_file: str, name: str,
                       callback_delete_option: str, callback_delete_option_data: str) -> str: ...

 # 例
-def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -6895,7 +6896,7 @@ def my_section_write_default_cb(data: str, config_file: str, section_name: str)
    # return weechat.WEECHAT_CONFIG_WRITE_ERROR
    # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -7136,7 +7137,7 @@ struct t_config_option *option5 =
 # プロトタイプ
 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str: ...
@@ -37,7 +37,7 @@ STUB_HEADER = """\
 # DO NOT EDIT BY HAND!
 #

-from typing import Dict
+from typing import Dict, Union
 """

 CONSTANT_RE = (
@@ -6509,9 +6509,10 @@ my_section_read_cb (const void *pointer, void *data,
 {
    /* ... */

-    return WEECHAT_CONFIG_READ_OK;
-    /* return WEECHAT_CONFIG_READ_MEMORY_ERROR; */
-    /* return WEECHAT_CONFIG_READ_FILE_NOT_FOUND; */
+    return WEECHAT_CONFIG_OPTION_SET_OK_CHANGED;
+    /* return WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE; */
+    /* return WEECHAT_CONFIG_OPTION_SET_ERROR; */
+    /* return WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND; */
 }

 int
@@ -6601,7 +6602,7 @@ def config_new_section(config_file: str, name: str,
                       callback_delete_option: str, callback_delete_option_data: str) -> str: ...

 # пример
-def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -6620,7 +6621,7 @@ def my_section_write_default_cb(data: str, config_file: str, section_name: str)
    # return weechat.WEECHAT_CONFIG_WRITE_ERROR
    # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
    # ...
    return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
    # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -6844,7 +6845,7 @@ struct t_config_option *option5 =
 # прототип
 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str: ...
@@ -17,6 +17,11 @@
 # along with WeeChat.  If not, see <https://www.gnu.org/licenses/>.
 #

+# Check for programs xgettext, msgmerge and msgfmt
+find_program(XGETTEXT_EXECUTABLE xgettext REQUIRED)
+find_program(MSGMERGE_EXECUTABLE msgmerge REQUIRED)
+find_program(MSGFMT_EXECUTABLE msgfmt REQUIRED)
+
 set(PO_FILES
  cs.po
  de.po
@@ -39,70 +44,61 @@ set(POT_FILE_PATH "${CMAKE_CURRENT_BINARY_DIR}/${POT_FILE}")

 include(srcfiles.cmake)

-# Looking for xgettext, msgmerge and msgfmt
-find_program(XGETTEXT_EXECUTABLE xgettext)
-find_program(MSGMERGE_EXECUTABLE msgmerge)
-find_program(MSGFMT_EXECUTABLE msgfmt)
+# Create PO template file weechat.pot
+set(SRC_FILES)
+set(POT_DEPENDS)

-if(XGETTEXT_EXECUTABLE AND MSGMERGE_EXECUTABLE AND MSGFMT_EXECUTABLE)
+foreach(srcfile ${WEECHAT_SOURCES})
+  set(SRC_FILES ${SRC_FILES} ${srcfile})
+  set(POT_DEPENDS ${POT_DEPENDS} "${CMAKE_SOURCE_DIR}/${srcfile}")
+endforeach()

-  # Create PO template file weechat.pot
-  set(SRC_FILES)
-  set(POT_DEPENDS)
+add_custom_command(
+  OUTPUT "${POT_FILE_PATH}"
+  COMMAND "${XGETTEXT_EXECUTABLE}"
+  ARGS -o "${POT_FILE_PATH}" --add-comments='TRANSLATORS:' --keyword='_' --keyword='weechat_gettext' --keyword='N_' --keyword='NG_:1,2' --keyword='weechat_ngettext:1,2' --no-location --from-code=UTF-8 --directory="${CMAKE_SOURCE_DIR}" --package-name='WeeChat' --package-version=${VERSION} --msgid-bugs-address=${BUGS_ADDRESS} --copyright-holder='NAME' ${SRC_FILES}
+  DEPENDS ${POT_DEPENDS}
+  COMMENT "Generating ${POT_FILE}"
+)

-  foreach(srcfile ${WEECHAT_SOURCES})
-    set(SRC_FILES ${SRC_FILES} ${srcfile})
-    set(POT_DEPENDS ${POT_DEPENDS} "${CMAKE_SOURCE_DIR}/${srcfile}")
-  endforeach()
+set(MO_FILES)
+set(UPDATE_PO_TARGETS)
+foreach(pofile ${PO_FILES})
+  get_filename_component(polang ${pofile} NAME_WE)

+  # Compile .po files in build directory (to binary .mo files)
+  set(modir "${CMAKE_CURRENT_BINARY_DIR}/${polang}/LC_MESSAGES")
+  file(MAKE_DIRECTORY "${modir}")
+  set(mofile "${modir}/${PROJECT_NAME}.mo")
  add_custom_command(
-    OUTPUT "${POT_FILE_PATH}"
-    COMMAND "${XGETTEXT_EXECUTABLE}"
-    ARGS -o "${POT_FILE_PATH}" --add-comments='TRANSLATORS:' --keyword='_' --keyword='weechat_gettext' --keyword='N_' --keyword='NG_:1,2' --keyword='weechat_ngettext:1,2' --no-location --from-code=UTF-8 --directory="${CMAKE_SOURCE_DIR}" --package-name='WeeChat' --package-version=${VERSION} --msgid-bugs-address=${BUGS_ADDRESS} --copyright-holder='NAME' ${SRC_FILES}
-    DEPENDS ${POT_DEPENDS}
-    COMMENT "Generating ${POT_FILE}"
+    OUTPUT "${mofile}"
+    COMMAND "${MSGMERGE_EXECUTABLE}" ARGS --quiet -o "${CMAKE_CURRENT_BINARY_DIR}/${pofile}" "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}" ${POT_FILE_PATH}
+    COMMAND "${MSGFMT_EXECUTABLE}" ARGS -o "${mofile}" "${CMAKE_CURRENT_BINARY_DIR}/${pofile}"
+    COMMAND "${MSGFMT_EXECUTABLE}" ARGS -c --statistics --verbose --output-file=/dev/null "${CMAKE_CURRENT_BINARY_DIR}/${pofile}"
+    DEPENDS "${POT_FILE_PATH}" "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}"
+    COMMENT "Compiling ${polang}.po"
  )

-  set(MO_FILES)
-  set(UPDATE_PO_TARGETS)
-  foreach(pofile ${PO_FILES})
-    get_filename_component(polang ${pofile} NAME_WE)
-
-    # Compile .po files in build directory (to binary .mo files)
-    set(modir "${CMAKE_CURRENT_BINARY_DIR}/${polang}/LC_MESSAGES")
-    file(MAKE_DIRECTORY "${modir}")
-    set(mofile "${modir}/${PROJECT_NAME}.mo")
-    add_custom_command(
-      OUTPUT "${mofile}"
-      COMMAND "${MSGMERGE_EXECUTABLE}" ARGS --quiet -o "${CMAKE_CURRENT_BINARY_DIR}/${pofile}" "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}" ${POT_FILE_PATH}
-      COMMAND "${MSGFMT_EXECUTABLE}" ARGS -o "${mofile}" "${CMAKE_CURRENT_BINARY_DIR}/${pofile}"
-      COMMAND "${MSGFMT_EXECUTABLE}" ARGS -c --statistics --verbose --output-file=/dev/null "${CMAKE_CURRENT_BINARY_DIR}/${pofile}"
-      DEPENDS "${POT_FILE_PATH}" "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}"
-      COMMENT "Compiling ${polang}.po"
-    )
-
-    # Update .po files in source directory (if needed)
-    add_custom_target(
-      update-${pofile}
-      COMMAND "${MSGMERGE_EXECUTABLE}" --quiet --update --previous --backup=none "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}" "${POT_FILE_PATH}"
-      COMMENT "Updating ${polang}.po"
-    )
-    set(UPDATE_PO_TARGETS ${UPDATE_PO_TARGETS} update-${pofile})
-
-    install(FILES "${mofile}" DESTINATION "${LOCALEDIR}/${polang}/LC_MESSAGES")
-    set(MO_FILES ${MO_FILES} ${mofile})
-  endforeach()
-
-  add_custom_target(translations ALL DEPENDS ${MO_FILES})
-
-  # Update weechat.pot in source directory (if needed)
+  # Update .po files in source directory (if needed)
  add_custom_target(
-    update-${POT_FILE}
-    COMMAND "${MSGMERGE_EXECUTABLE}" --quiet --update --backup=none "${CMAKE_CURRENT_SOURCE_DIR}/${POT_FILE}" "${POT_FILE_PATH}"
-    COMMENT "Updating ${POT_FILE}"
+    update-${pofile}
+    COMMAND "${MSGMERGE_EXECUTABLE}" --quiet --update --previous --backup=none "${CMAKE_CURRENT_SOURCE_DIR}/${pofile}" "${POT_FILE_PATH}"
+    COMMENT "Updating ${polang}.po"
  )
+  set(UPDATE_PO_TARGETS ${UPDATE_PO_TARGETS} update-${pofile})

-  # Update all .po and weechat.pot in source directory (if needed)
-  add_custom_target(update-po DEPENDS update-${POT_FILE} ${UPDATE_PO_TARGETS})
+  install(FILES "${mofile}" DESTINATION "${LOCALEDIR}/${polang}/LC_MESSAGES")
+  set(MO_FILES ${MO_FILES} ${mofile})
+endforeach()

-endif()
+add_custom_target(translations ALL DEPENDS ${MO_FILES})
+
+# Update weechat.pot in source directory (if needed)
+add_custom_target(
+  update-${POT_FILE}
+  COMMAND "${MSGMERGE_EXECUTABLE}" --quiet --update --backup=none "${CMAKE_CURRENT_SOURCE_DIR}/${POT_FILE}" "${POT_FILE_PATH}"
+  COMMENT "Updating ${POT_FILE}"
+)
+
+# Update all .po and weechat.pot in source directory (if needed)
+add_custom_target(update-po DEPENDS update-${POT_FILE} ${UPDATE_PO_TARGETS})
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-25 00:48+0200\n"
 "Last-Translator: Ondřej Súkup <mimi.vx@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4427,6 +4427,22 @@ msgstr "%sChyba: nemohu vytvořit soubor \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sChyba při zápisu konfiguračního souboru \"%s\""

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: server %s%s%s byl zkopírován do %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: nemůžu načíst soubor \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sVAROVÁNÍ: selhalo čtení konfiguračního souboru \"%s\" (%s)"
@@ -4522,6 +4538,11 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s%s: nemohu vytvořit adresář pro logy (\"%s\")"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Proměnná prostředí \"%s\" není definována"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Chyba: domovský adresář (%s) není adresářem\n"
@@ -9207,6 +9228,10 @@ msgstr ""
 "když se změní status nepřítomnosti přezdívky (výsledek příkazu whois), "
 "například: \"notify_highlight\", \"notify_message\" or \"notify_private\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "zavřít buffer, když je na kanálu spuštěn /part"

@@ -26,7 +26,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-07-05 21:25+0200\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <kde-i18n-de@kde.org>\n"
@@ -5585,6 +5585,22 @@ msgid "%sError writing configuration file \"%s\""
 msgstr ""
 "%sEs ist ein Fehler beim Speichern der Konfigurationsdatei \"%s\" aufgetreten"

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: Server %s%s%s wurde nach %s%s%s kopiert"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: Kann die Datei \"%s\" nicht laden"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sWARNUNG: Konfigurationsdatei \"%s\" konnte nicht geladen werden (%s)"
@@ -5693,6 +5709,11 @@ msgstr ""
 "Fehler: es kann kein temporäres Heimatverzeichnis angelegt werden (mit "
 "Befehl: \"%s\")\n"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Umgebungsvariable \"%s\" ist nicht definiert"
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Fehler: \"%s\" ist kein Verzeichnis\n"
@@ -11444,6 +11465,10 @@ msgstr ""
 "(Rückgabe durch Befehl whois), zum Beispiel: \"notify_message\", "
 "\"notify_private\" oder \"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "schließt den Buffer wenn \"/part\" im Kanal ausgeführt wird"

@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Santiago Forero <santiago@forero.xyz>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -5052,6 +5052,22 @@ msgstr "%sError: no es posible crear el archivo \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sError al escribir el archivo de configuración \"%s\""

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: servidor %s%s%s copiado como %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: no es posible cargar el archivo \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, fuzzy, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "Guardando archivo de configuración %s %s"
@@ -5147,6 +5163,11 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s%s: imposible crear directorio para registros (\"%s\")"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Variable \"%s\" no definida"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Error: home (%s) no es un directorio\n"
@@ -9906,6 +9927,10 @@ msgstr ""
 "cuando un apodo cambia su estado de ausencia (resultado del comando whois), "
 "por ejemplo: \"notify_highlight\", \"notify_message\" o \"notify_private\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "cerrar el buffer cuando /part es usado en un canal"

@@ -21,8 +21,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
-"PO-Revision-Date: 2023-07-05 21:25+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
+"PO-Revision-Date: 2023-10-30 23:23+0100\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -5452,6 +5452,22 @@ msgstr "%sImpossible de créer le fichier \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sErreur d'écriture du fichier de configuration \"%s\""

+#, c-format
+msgid "%sFile %s has been backed up as %s"
+msgstr "%sLe fichier %s a été sauvegardé sous le nom %s"
+
+#, c-format
+msgid "%sError: unable to backup file %s"
+msgstr "%sErreur : impossible de sauvegarder le fichier %s"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+"%sImportant : le fichier %s a été mis à jour de la version %d à %d, il n'est "
+"plus compatible et ne peut plus être chargé avec toute version plus ancienne"
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sATTENTION : échec de lecture du fichier de configuration \"%s\" (%s)"
@@ -5561,6 +5577,9 @@ msgstr ""
 "Erreur : impossible de créer le répertoire de base temporaire (en utilisant "
 "le modèle : \"%s\")\n"

+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Erreur : la variable d'environnement \"HOME\" n'est pas définie\n"
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Erreur : \"%s\" n'est pas un répertoire\n"
@@ -11226,6 +11245,12 @@ msgstr ""
 "de la commande whois), par exemple : \"notify_message\", \"notify_private\" "
 "ou \"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+"ouvrir un tampon privé sur son propre message quand la capacité echo-message "
+"est activée"
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "fermer le tampon lorsque /part est exécuté sur un canal"

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Andras Voroskoi <voroskoi@frugalware.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -3972,6 +3972,20 @@ msgstr "%s nem sikerült a \"%s\" fájlt létrehozni\n"
 msgid "%sError writing configuration file \"%s\""
 msgstr "szerver konfigurációs fájljának újraolvastatása"

+#, fuzzy, c-format
+msgid "%sFile %s has been backed up as %s"
+msgstr "A %s%s%s szerver másolva lett %s%s néven\n"
+
+#, fuzzy, c-format
+msgid "%sError: unable to backup file %s"
+msgstr "Nem sikerült a(z) \"%s\" naplófájlt írni\n"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, fuzzy, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "beállítások mentése kilépéskor"
@@ -4066,6 +4080,10 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s nem sikerült a szervert létrehozni\n"

+#, fuzzy
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "  . típus: szám\n"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "%s nem sikerült a \"%s\" könyvtárat létrehozni\n"
@@ -8666,6 +8684,10 @@ msgid ""
 "\"notify_message\", \"notify_private\" or \"notify_highlight\""
 msgstr ""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr ""

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Esteban I. Ruiz Moreno <exio4.com@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4689,6 +4689,22 @@ msgstr "%sErrore: impossibile creare il file \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sErrore: impossibile scrivere sul file di configurazione \"%s\""

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: il server %s%s%s è stato copiato in %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: impossibile caricare il file \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, fuzzy, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "Salvataggio del file di configurazione %s %s"
@@ -4784,6 +4800,10 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s%s: impossibile creare la directory per i log (\"%s\")"

+#, fuzzy
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Variabili"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Errore: home (%s) non è una directory\n"
@@ -9631,6 +9651,10 @@ msgstr ""
 "whois), ad esempio: \"notify_message\", \"notify_private\" o "
 "\"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "chiude buffer quando viene digitato /part nel canale"

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>\n"
 "Language-Team: Japanese <https://github.com/l/weechat/tree/master/"
@@ -5294,6 +5294,22 @@ msgstr "%sエラー: ファイル \"%s\" の作成に失敗"
 msgid "%sError writing configuration file \"%s\""
 msgstr "%s設定ファイル \"%s\" の書き込み中にエラー"

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: サーバ %s%s%s を %s%s%s にコピーしました"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: ファイル \"%s\" をロードできません"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%s警告: 設定ファイル \"%s\" (%s) の読み込みに失敗"
@@ -5391,6 +5407,11 @@ msgid ""
 msgstr ""
 "エラー: 一時的なホームディレクリ (テンプレート: \"%s\") を作成できません\n"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "環境変数 \"%s\" が定義されていません"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "エラー: ホーム (%s) はディレクトリではありません\n"
@@ -10811,6 +10832,10 @@ msgstr ""
 "よって表示されたメッセージに使われたタグのコンマ区切りリスト、例: "
 "\"notify_message\"、\"notify_private\"、\"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "/part を実行した場合にバッファを閉じる"

@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Krzysztof Korościk <soltys@soltys.info>\n"
 "Language-Team: Polish <kde-i18n-doc@kde.org>\n"
@@ -5731,6 +5731,22 @@ msgstr "%sNie można utworzyć pliku \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sBłąd podczas zapisu pliku konfiguracyjnego \"%s\""

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: serwer %s%s%s został skopiowany do %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: nie można wczytać pliku \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sUWAGA: nie powiódł się odczyt pliku konfiguracyjnego \"%s\" (%s)"
@@ -5834,6 +5850,11 @@ msgstr ""
 "Błąd: nie można utworzyć tymczasowego katalogu domowego (używając szablonu: "
 "\"%s\")\n"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Zmienna środowiskowa \"%s\" nie jest zdefiniowana"
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Błąd: „%s” nie jest katalogiem\n"
@@ -11807,6 +11828,10 @@ msgstr ""
 "komendy whois), na przykład: \"notify_message\", \"notify_private\" or "
 "\"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "zamyka bufor, kiedy na kanale wykonamy /part"

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Vasco Almeida <vascomalmeida@sapo.pt>\n"
 "Language-Team: Portuguese <>\n"
@@ -5324,6 +5324,22 @@ msgstr "%sErro: não é possível criar o ficheiro \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sErro ao escrever o ficheiro de configuração \"%s\""

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: o servidor %s%s%s foi copiado para %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: não foi possível carregar o ficheiro \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sAVISO: falha ao ler o ficheiro de configuração \"%s\" (%s)"
@@ -5421,6 +5437,11 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s%s: não foi possível criar diretório para registos (\"%s\")"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "A variável de ambiente \"%s\" não está definida"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Erro: a base (%s) não é um diretório\n"
@@ -10578,6 +10599,10 @@ msgstr ""
 "whois), por exemplo: \"notify_message\", \"notify_private\" ou "
 "\"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "fechar o buffer ao executar /part num canal"

@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Érico Nogueira <ericonr@disroot.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4698,6 +4698,22 @@ msgstr "%sErro: não foi possível criar arquivo \"%s\""
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sErro escrevendo arquivo de configuração \"%s\""

+#, fuzzy, c-format
+#| msgid "Layout \"%s\" has been renamed to \"%s\""
+msgid "%sFile %s has been backed up as %s"
+msgstr "Disposição \"%s\" renomeado para \"%s\""
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: não foi possível carregar arquivo \"%s\""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, fuzzy, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "Escrevendo arquivo de configurações %s %s"
@@ -4791,6 +4807,10 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s%s: não foi possível criar diretório para registros (\"%s\")"

+#, fuzzy
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Variáveis"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Erro: (%s) não é um diretório\n"
@@ -9209,6 +9229,10 @@ msgid ""
 "\"notify_message\", \"notify_private\" or \"notify_highlight\""
 msgstr ""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "fechar buffer quando o comando /part é executado em um canal"

@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Aleksey V Zapparov AKA ixti <ixti@member.fsf.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -4000,6 +4000,20 @@ msgstr "%s не могу создать файл \"%s\"\n"
 msgid "%sError writing configuration file \"%s\""
 msgstr "перезагрузить конфигурационный файл сервера"

+#, fuzzy, c-format
+msgid "%sFile %s has been backed up as %s"
+msgstr "Сервер %s%s%s скопирован в %s%s\n"
+
+#, fuzzy, c-format
+msgid "%sError: unable to backup file %s"
+msgstr "Не могу записать лог-файл \"%s\"\n"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, fuzzy, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "сохранять конфигурационный файл при выходе"
@@ -4094,6 +4108,10 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr "%s не могу создать сервер \"%s\"\n"

+#, fuzzy
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "  . тип: целочисленный\n"
+
 #, fuzzy, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "%s домашний каталог (%s) не является директорией\n"
@@ -8698,6 +8716,10 @@ msgid ""
 "\"notify_message\", \"notify_private\" or \"notify_highlight\""
 msgstr ""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr ""

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Ivan Pešić <ivan.pesic@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -5377,6 +5377,22 @@ msgstr "%sНе може да се креира фајл „%s”"
 msgid "%sError writing configuration file \"%s\""
 msgstr "%sГрешка при уписивању конфигурационог фајла „%s”"

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: сервер %s%s%s је копиран у %s%s%s"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: фајл „%s” не може да се учита"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sУПОЗОРЕЊЕ: није могао да се прочита конфигурациони фајл „%s” (%s)"
@@ -5488,6 +5504,11 @@ msgstr ""
 "Грешка: не може да се креира привремени почетни директоријум (користећи "
 "шаблон: \"%s\")\n"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Није дефинисана променљива окружења „%s”"
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Грешка: „%s” није директоријум\n"
@@ -11012,6 +11033,10 @@ msgstr ""
 "се статус одсуства надимка промени (резултат команде whois), на пример: "
 "„notify_message”, „notify_private” или „notify_highlight”"

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "затварање бафера када се на каналу изврши /part"

@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2023-06-17 11:47+0200\n"
 "Last-Translator: Emir SARI <emir_sari@icloud.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -5375,6 +5375,22 @@ msgstr "%s\"%s\" dosyası oluşturulamıyor"
 msgid "%sError writing configuration file \"%s\""
 msgstr "%s\"%s\" yapılandırma dosyası yazılırken hata"

+#, fuzzy, c-format
+#| msgid "%s: server %s%s%s has been copied to %s%s%s"
+msgid "%sFile %s has been backed up as %s"
+msgstr "%s: %s%s%s sunucusu %s%s%s konumuna kopyalandı"
+
+#, fuzzy, c-format
+#| msgid "%s%s: unable to load file \"%s\""
+msgid "%sError: unable to backup file %s"
+msgstr "%s%s: \"%s\" dosyası yüklenemiyor"
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr "%sUYARI: \"%s\" yapılandırma dosyası okunamadı (%s)"
@@ -5472,6 +5488,11 @@ msgid ""
 msgstr ""
 "Hata: Geçici bir ev dizini oluşturulamıyor (kullanılan şablon: \"%s\")\n"

+#, fuzzy
+#| msgid "Environment variable \"%s\" is not defined"
+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr "Ortam değişkeni \"%s\" tanımlanmamış"
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr "Hata: \"%s\" bir dizin değil\n"
@@ -11377,6 +11398,10 @@ msgstr ""
 "kullanılan etiketlerin virgülle ayrılmış listesi (komut whois'inin sonucu); "
 "örneğin: \"notify_message\", \"notify_private\" veya \"notify_highlight\""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr "bir kanalda /part verildiğinde arabelleği kapat"

@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2023-07-05 21:24+0200\n"
+"POT-Creation-Date: 2023-10-30 23:09+0100\n"
 "PO-Revision-Date: 2014-08-16 10:27+0200\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -3624,6 +3624,20 @@ msgstr ""
 msgid "%sError writing configuration file \"%s\""
 msgstr ""

+#, c-format
+msgid "%sFile %s has been backed up as %s"
+msgstr ""
+
+#, c-format
+msgid "%sError: unable to backup file %s"
+msgstr ""
+
+#, c-format
+msgid ""
+"%sImportant: file %s has been updated from version %d to %d, it is not "
+"compatible and can not be loaded any more with any older version"
+msgstr ""
+
 #, c-format
 msgid "%sWARNING: failed to read configuration file \"%s\" (%s)"
 msgstr ""
@@ -3716,6 +3730,9 @@ msgid ""
 "Error: unable to create a temporary home directory (using template: \"%s\")\n"
 msgstr ""

+msgid "Error: environment variable \"HOME\" is not defined\n"
+msgstr ""
+
 #, c-format
 msgid "Error: \"%s\" is not a directory\n"
 msgstr ""
@@ -7775,6 +7792,10 @@ msgid ""
 "\"notify_message\", \"notify_private\" or \"notify_highlight\""
 msgstr ""

+msgid ""
+"open a private buffer on self message when capability echo-message is enabled"
+msgstr ""
+
 msgid "close buffer when /part is issued on a channel"
 msgstr ""

@@ -89,7 +89,7 @@ include_directories(${GNUTLS_INCLUDE_PATH})

 include_directories(${CURL_INCLUDE_DIRS})

-include_directories(${ZSTD_INCLUDE_DIRS})
+include_directories(${LIBZSTD_INCLUDE_DIRS})

 include_directories("${CMAKE_BINARY_DIR}")
 add_library(weechat_core STATIC ${LIB_CORE_SRC})
@@ -146,6 +146,7 @@ hook_process_hashtable (struct t_weechat_plugin *plugin,
        ptr_value = hashtable_get (options, "buffer_flush");
        if (ptr_value && ptr_value[0])
        {
+            error = NULL;
            number = strtol (ptr_value, &error, 10);
            if (error && !error[0]
                && (number >= 1) && (number <= HOOK_PROCESS_BUFFER_SIZE))
@@ -736,6 +736,7 @@ COMMAND_CALLBACK(buffer)
                    else
                    {
                        ptr_buffer = gui_buffer_search_by_number_or_name (argv[i]);
+                        error = NULL;
                        (void) strtol (argv[i], &error, 10);
                        clear_number = (error && !error[0]);
                    }
@@ -971,6 +972,7 @@ COMMAND_CALLBACK(buffer)
                    ptr_buffer = gui_buffer_search_by_number_or_name (argv[i]);
                    if (ptr_buffer)
                    {
+                        error = NULL;
                        (void) strtol (argv[i], &error, 10);
                        if (error && !error[0])
                        {
@@ -1009,6 +1011,7 @@ COMMAND_CALLBACK(buffer)
                    ptr_buffer = gui_buffer_search_by_number_or_name (argv[i]);
                    if (ptr_buffer)
                    {
+                        error = NULL;
                        (void) strtol (argv[i], &error, 10);
                        if (error && !error[0])
                        {
@@ -37,6 +37,7 @@
 #include "wee-config-file.h"
 #include "wee-arraylist.h"
 #include "wee-config.h"
+#include "wee-dir.h"
 #include "wee-hashtable.h"
 #include "wee-hdata.h"
 #include "wee-hook.h"
@@ -3154,6 +3155,10 @@ config_file_parse_version (const char *version)
    long number;
    char *error;

+    if (!version)
+        return -1;
+
+    error = NULL;
    number = strtoll (version, &error, 10);
    if (!error || error[0])
        return -1;
@@ -3161,6 +3166,66 @@ config_file_parse_version (const char *version)
    return (number < 1) ? -1 : (int)number;
 }

+/*
+ * Backups a configuration file if its version is unsupported and cannot be
+ * loaded.
+ */
+
+void
+config_file_backup (const char *filename)
+{
+    char *filename_backup, str_time[32], str_index[32];
+    int length, index;
+    struct tm *local_time;
+    time_t date;
+
+    if (!filename)
+        return;
+
+    length = strlen (filename) + 128;
+
+    filename_backup = malloc (length);
+    if (!filename_backup)
+        return;
+
+    date = time (NULL);
+    local_time = localtime (&date);
+    if (strftime (str_time, sizeof (str_time), ".%Y%m%d.%H%M%S", local_time) == 0)
+        str_time[0] = '\0';
+
+    index = 1;
+    while (1)
+    {
+        if (index == 1)
+            str_index[0] = '\0';
+        else
+            snprintf (str_index, sizeof (str_index), ".%d", index);
+        snprintf (filename_backup, length,
+                  "%s.backup%s%s",
+                  filename, str_time, str_index);
+        if (access (filename_backup, F_OK) != 0)
+            break;
+        index++;
+    }
+
+    if (dir_file_copy (filename, filename_backup))
+    {
+        gui_chat_printf (NULL,
+                         _("%sFile %s has been backed up as %s"),
+                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                         filename, filename_backup);
+    }
+    else
+    {
+        gui_chat_printf (NULL,
+                         _("%sError: unable to backup file %s"),
+                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                         filename);
+    }
+
+    free (filename_backup);
+}
+
 /*
 * Updates data read from config file: either section or option + value.
 * The update callback (if defined in config) is called if the config version
@@ -3173,16 +3238,22 @@ config_file_parse_version (const char *version)
 *
 * Section can be updated only if option and value are NULL (ie if we are
 * reading a section line like "[section]").
+ *
+ * Integer warning_update_displayed is set to 1 if a warning is displayed,
+ * when the file is updated to a newer version (then it's not compatible any
+ * more with previous versions).
 */

 void
 config_file_update_data_read (struct t_config_file *config_file,
+                              const char *filename,
                              const char *section,
                              const char *option,
                              const char *value,
                              char **ret_section,
                              char **ret_option,
-                              char **ret_value)
+                              char **ret_value,
+                              int *warning_update_displayed)
 {
    struct t_hashtable *data_read, *hashtable;
    const char *ptr_section, *ptr_option, *ptr_value;
@@ -3192,6 +3263,21 @@ config_file_update_data_read (struct t_config_file *config_file,
    if (config_file->version_read >= config_file->version)
        return;

+    if (!*warning_update_displayed
+        && (config_file->version_read < config_file->version))
+    {
+        gui_chat_printf (
+            NULL,
+            _("%sImportant: file %s has been updated from version %d to %d, "
+              "it is not compatible and can not be loaded any more with any "
+              "older version"),
+            gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+            filename,
+            config_file->version_read,
+            config_file->version);
+        *warning_update_displayed = 1;
+    }
+
    /* do nothing if there's no update callback */
    if (!config_file->callback_update)
        return;
@@ -3289,6 +3375,7 @@ 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;
    char *filename, *section, *option, *value;
    struct t_config_section *ptr_section;
    struct t_config_option *ptr_option;
@@ -3298,6 +3385,7 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
        return WEECHAT_CONFIG_READ_FILE_NOT_FOUND;

    config_file->version_read = 1;
+    warning_update_displayed = 0;

    /* build filename */
    filename_length = strlen (weechat_config_dir) + strlen (DIR_SEPARATOR) +
@@ -3396,9 +3484,10 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
                section = string_strndup (ptr_line + 1, pos - ptr_line - 1);
                if (section)
                {
-                    config_file_update_data_read (config_file,
+                    config_file_update_data_read (config_file, filename,
                                                  section, NULL, NULL,
-                                                  &section, NULL, NULL);
+                                                  &section, NULL, NULL,
+                                                  &warning_update_displayed);
                    ptr_section = config_file_search_section (config_file,
                                                              section);
                    if (!ptr_section)
@@ -3480,6 +3569,11 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
                    gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
                    filename, line_number,
                    line);
+                config_file_backup (filename);
+                if (option)
+                    free (option);
+                if (value)
+                    free (value);
                goto end_file;
            }
            else
@@ -3496,6 +3590,11 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
                        filename,
                        config_file->version_read,
                        config_file->version);
+                    config_file_backup (filename);
+                    if (option)
+                        free (option);
+                    if (value)
+                        free (value);
                    goto end_file;
                }
            }
@@ -3513,9 +3612,10 @@ config_file_read_internal (struct t_config_file *config_file, int reload)
            goto end_line;
        }

-        config_file_update_data_read (config_file,
+        config_file_update_data_read (config_file, filename,
                                      ptr_section->name, option, value,
-                                      NULL, &option, &value);
+                                      NULL, &option, &value,
+                                      &warning_update_displayed);

        /* option has been ignored by the update callback? */
        if (!option || !option[0])
@@ -2195,17 +2195,20 @@ config_weechat_custom_bar_item_read_cb (const void *pointer, void *data,
    if (!ptr_temp_item)
    {
        /* create new temporary custom bar item */
-        ptr_temp_item = gui_bar_item_custom_alloc (item_name);
-        if (ptr_temp_item)
+        if (gui_bar_item_search_default (item_name) < 0)
        {
-            /* add new custom bar item at the end */
-            ptr_temp_item->prev_item = last_gui_temp_custom_bar_item;
-            ptr_temp_item->next_item = NULL;
-            if (last_gui_temp_custom_bar_item)
-                last_gui_temp_custom_bar_item->next_item = ptr_temp_item;
-            else
-                gui_temp_custom_bar_items = ptr_temp_item;
-            last_gui_temp_custom_bar_item = ptr_temp_item;
+            ptr_temp_item = gui_bar_item_custom_alloc (item_name);
+            if (ptr_temp_item)
+            {
+                /* add new custom bar item at the end */
+                ptr_temp_item->prev_item = last_gui_temp_custom_bar_item;
+                ptr_temp_item->next_item = NULL;
+                if (last_gui_temp_custom_bar_item)
+                    last_gui_temp_custom_bar_item->next_item = ptr_temp_item;
+                else
+                    gui_temp_custom_bar_items = ptr_temp_item;
+                last_gui_temp_custom_bar_item = ptr_temp_item;
+            }
        }
    }

@@ -2226,6 +2229,13 @@ config_weechat_custom_bar_item_read_cb (const void *pointer, void *data,
                             section->name, option_name, value);
        }
    }
+    else
+    {
+        gui_chat_printf (NULL,
+                         _("%sUnable to add custom bar item \"%s\""),
+                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                         item_name);
+    }

    free (item_name);

@@ -421,6 +421,10 @@ weecrypto_totp_generate_internal (const char *secret, int length_secret,
    int rc, offset, length;
    unsigned long bin_code;

+#if __BYTE_ORDER == __BIG_ENDIAN
+    /* Big endian does not need to swap bytes here! */
+    moving_factor_swapped = moving_factor;
+#else
    moving_factor_swapped = (moving_factor >> 56)
        | ((moving_factor << 40) & 0x00FF000000000000)
        | ((moving_factor << 24) & 0x0000FF0000000000)
@@ -429,6 +433,7 @@ weecrypto_totp_generate_internal (const char *secret, int length_secret,
        | ((moving_factor >> 24) & 0x0000000000FF0000)
        | ((moving_factor >> 40) & 0x000000000000FF00)
        | (moving_factor << 56);
+#endif

    rc = weecrypto_hmac (secret, length_secret,
                         &moving_factor_swapped, sizeof (moving_factor_swapped),
@@ -440,6 +440,9 @@ dir_find_xdg_dirs (char **config_dir, char **data_dir, char **cache_dir,
    *runtime_dir = NULL;

    ptr_home = getenv ("HOME");
+    if (!ptr_home)
+        goto error_home;
+
    xdg_config_home = getenv ("XDG_CONFIG_HOME");
    xdg_data_home = getenv ("XDG_DATA_HOME");
    xdg_cache_home = getenv ("XDG_CACHE_HOME");
@@ -460,7 +463,7 @@ dir_find_xdg_dirs (char **config_dir, char **data_dir, char **cache_dir,
    }
    *config_dir = strdup (path);
    if (!*config_dir)
-        goto error;
+        goto error_memory;

    /* set data dir: $XDG_DATA_HOME/weechat or $HOME/.local/share/weechat */
    if (xdg_data_home && xdg_data_home[0])
@@ -478,7 +481,7 @@ dir_find_xdg_dirs (char **config_dir, char **data_dir, char **cache_dir,
    }
    *data_dir = strdup (path);
    if (!*data_dir)
-        goto error;
+        goto error_memory;

    /* set cache dir: $XDG_CACHE_HOME/weechat or $HOME/.cache/weechat */
    if (xdg_cache_home && xdg_cache_home[0])
@@ -495,7 +498,7 @@ dir_find_xdg_dirs (char **config_dir, char **data_dir, char **cache_dir,
    }
    *cache_dir = strdup (path);
    if (!*cache_dir)
-        goto error;
+        goto error_memory;

    /* set runtime dir: $XDG_RUNTIME_DIR/weechat or same as cache dir */
    if (xdg_runtime_dir && xdg_runtime_dir[0])
@@ -510,10 +513,19 @@ dir_find_xdg_dirs (char **config_dir, char **data_dir, char **cache_dir,
        *runtime_dir = strdup (*cache_dir);
    }
    if (!*runtime_dir)
-        goto error;
+        goto error_memory;

    return 1;

+error_home:
+    string_fprintf (stderr,
+                    _("Error: environment variable \"HOME\" is not defined\n"));
+    goto error;
+
+error_memory:
+    string_fprintf (stderr, _("Error: not enough memory\n"));
+    goto error;
+
 error:
    if (*config_dir)
    {
@@ -535,7 +547,6 @@ error:
        free (*runtime_dir);
        *runtime_dir = NULL;
    }
-    string_fprintf (stderr, _("Error: not enough memory\n"));
    return 0;
 }

@@ -602,10 +602,13 @@ doc_gen_user_options (const char *path, const char *lang)
            free (default_value);
    }

-    string_fprintf (
-        file,
-        "// end::%s_options[]\n",
-        old_config->name);
+    if (old_config)
+    {
+        string_fprintf (
+            file,
+            "// end::%s_options[]\n",
+            old_config->name);
+    }

    arraylist_free (list_options);

@@ -1662,9 +1665,11 @@ doc_generate (const char *path)
     * (this is used to generate documentation without installing WeeChat,
     * that means no need to run `make install`)
     */
+#ifdef ENABLE_NLS
    localedir = getenv ("WEECHAT_DOCGEN_LOCALEDIR");
    if (localedir && localedir[0])
        bindtextdomain (PACKAGE, localedir);
+#endif /* ENABLE_NLS */

    for (i = 0; locales[i]; i++)
    {
@@ -413,6 +413,7 @@ eval_string_cut (const char *text, int screen)
    if (!tmp)
        return strdup ("");

+    error = NULL;
    number = strtol (tmp, &error, 10);
    if (!error || error[0] || (number < 0))
    {
@@ -453,6 +454,7 @@ eval_string_repeat (const char *text)
    if (!tmp)
        return strdup ("");

+    error = NULL;
    number = strtol (tmp, &error, 10);
    if (!error || error[0] || (number < 0))
    {
@@ -538,6 +540,7 @@ eval_string_split (const char *text)
    }
    else
    {
+        error = NULL;
        number = strtol (str_number, &error, 10);
        if (!error || error[0] || (number == 0))
            goto end;
@@ -578,6 +581,7 @@ eval_string_split (const char *text)
            }
            else if (strncmp (list_flags[i], "max_items=", 10) == 0)
            {
+                error = NULL;
                max_items = strtol (list_flags[i] + 10, &error, 10);
                if (!error || error[0] || (max_items < 0))
                    goto end;
@@ -686,6 +690,7 @@ eval_string_split_shell (const char *text)
    }
    else
    {
+        error = NULL;
        number = strtol (str_number, &error, 10);
        if (!error || error[0] || (number == 0))
            goto end;
@@ -766,6 +771,7 @@ eval_string_regex_group (const char *text, struct t_eval_context *eval_context)
    }
    else
    {
+        error = NULL;
        number = strtol (text, &error, 10);
        if (!error || error[0])
            number = -1;
@@ -897,6 +903,7 @@ eval_string_base_encode (const char *text)
    if (!base)
        goto end;

+    error = NULL;
    number = strtol (base, &error, 10);
    if (!error || error[0])
        goto end;
@@ -946,6 +953,7 @@ eval_string_base_decode (const char *text)
    if (!base)
        goto end;

+    error = NULL;
    number = strtol (base, &error, 10);
    if (!error || error[0])
        goto end;
@@ -1087,6 +1095,7 @@ eval_string_random (const char *text)
    tmp = string_strndup (text, pos - text);
    if (!tmp)
        goto error;
+    error = NULL;
    min_number = strtoll (tmp, &error, 10);
    if (!error || error[0])
    {
@@ -1095,6 +1104,7 @@ eval_string_random (const char *text)
    }
    free (tmp);

+    error = NULL;
    max_number = strtoll (pos + 1, &error, 10);
    if (!error || error[0])
        goto error;
@@ -2618,6 +2628,7 @@ eval_expression (const char *expr, struct t_hashtable *pointers,
        ptr_value = hashtable_get (options, "debug");
        if (ptr_value && ptr_value[0])
        {
+            error = NULL;
            number = strtol (ptr_value, &error, 10);
            if (error && !error[0] && (number >= 1))
            {
@@ -3279,6 +3279,7 @@ string_parse_size (const char *size)
    if (!str_number)
        goto end;

+    error = NULL;
    number = strtoll (str_number, &error, 10);
    if (!error || error[0])
        goto end;
@@ -33,11 +33,7 @@
 #include <locale.h>

 #if defined(ENABLE_NLS) && !defined(_)
-    #ifdef HAVE_LIBINTL_H
-        #include <libintl.h>
-    #else
-        #include "../../intl/libintl.h"
-    #endif /* HAVE_LIBINTL_H */
+    #include <libintl.h>
    #define _(string) gettext(string)
    #define NG_(single,plural,number) ngettext(single,plural,number)
    #ifdef gettext_noop
@@ -643,6 +643,8 @@ gui_chat_display_word (struct t_gui_window *window,
                                                              nick_offline);
            }
            ptr_data[pos_saved_char] = saved_char;
+            if (pos_saved_char == 0)
+                break;
            ptr_data += pos_saved_char;
        }
        else
@@ -664,6 +666,8 @@ gui_chat_display_word (struct t_gui_window *window,
                                                              apply_style_inactive,
                                                              nick_offline);
            }
+            if (!ptr_data[0])
+                break;
            ptr_data += strlen (ptr_data);
        }

@@ -74,6 +74,8 @@ char *gui_mouse_button_codes[][2] =
  { "*",  "alt-button2"        },
  { ")",  "alt-button3"        },
  { "8",  "alt-ctrl-button1"   },
+  { ":",  "alt-ctrl-button2"   },
+  { "9",  "alt-ctrl-button3"   },
  { NULL, NULL                 } };


@@ -439,31 +439,46 @@ gui_bar_item_custom_new (const char *name, const char *conditions,
    if (gui_bar_item_custom_search (name))
        return NULL;

+    if (gui_bar_item_search_default (name) >= 0)
+        return NULL;
+
+    option_conditions = NULL;
+    option_content = NULL;
+    new_bar_item_custom = NULL;
+
    option_conditions = gui_bar_item_custom_create_option (
        name,
        GUI_BAR_ITEM_CUSTOM_OPTION_CONDITIONS,
        conditions);
    if (!option_conditions)
-        return NULL;
+        goto error;

    option_content = gui_bar_item_custom_create_option (
        name,
        GUI_BAR_ITEM_CUSTOM_OPTION_CONTENT,
        content);
    if (!option_content)
-    {
-        config_file_option_free (option_conditions, 0);
-        return NULL;
-    }
+        goto error;

    new_bar_item_custom = gui_bar_item_custom_new_with_options (
        name,
        option_conditions,
        option_content);
+    if (!new_bar_item_custom)
+        goto error;
+
+    gui_bar_item_custom_create_bar_item (new_bar_item_custom);
+    if (!new_bar_item_custom->bar_item)
+        goto error;
+
+    gui_bar_item_update (name);
+
+    return new_bar_item_custom;
+
+error:
    if (new_bar_item_custom)
    {
-        gui_bar_item_custom_create_bar_item (new_bar_item_custom);
-        gui_bar_item_update (name);
+        gui_bar_item_custom_free (new_bar_item_custom);
    }
    else
    {
@@ -472,8 +487,7 @@ gui_bar_item_custom_new (const char *name, const char *conditions,
        if (option_content)
            config_file_option_free (option_content, 0);
    }
-
-    return new_bar_item_custom;
+    return NULL;
 }

 /*
@@ -483,12 +497,13 @@ gui_bar_item_custom_new (const char *name, const char *conditions,
 void
 gui_bar_item_custom_use_temp_items ()
 {
-    struct t_gui_bar_item_custom *ptr_temp_item;
+    struct t_gui_bar_item_custom *ptr_temp_item, *ptr_next_temp_item;
    int i;

-    for (ptr_temp_item = gui_temp_custom_bar_items; ptr_temp_item;
-         ptr_temp_item = ptr_temp_item->next_item)
+    ptr_temp_item = gui_temp_custom_bar_items;
+    while (ptr_temp_item)
    {
+        ptr_next_temp_item = ptr_temp_item->next_item;
        for (i = 0; i < GUI_BAR_ITEM_CUSTOM_NUM_OPTIONS; i++)
        {
            if (!ptr_temp_item->options[i])
@@ -500,6 +515,20 @@ gui_bar_item_custom_use_temp_items ()
            }
        }
        gui_bar_item_custom_create_bar_item (ptr_temp_item);
+        if (!ptr_temp_item->bar_item)
+        {
+            if (ptr_temp_item->prev_item)
+                (ptr_temp_item->prev_item)->next_item = ptr_temp_item->next_item;
+            if (ptr_temp_item->next_item)
+                (ptr_temp_item->next_item)->prev_item = ptr_temp_item->prev_item;
+            if (gui_temp_custom_bar_items == ptr_temp_item)
+                gui_temp_custom_bar_items = ptr_temp_item->next_item;
+            if (last_gui_temp_custom_bar_item == ptr_temp_item)
+                last_gui_temp_custom_bar_item = ptr_temp_item->prev_item;
+            gui_bar_item_custom_free_data (ptr_temp_item);
+            free (ptr_temp_item);
+        }
+        ptr_temp_item = ptr_next_temp_item;
    }

    /* remove any existing custom bar item */
@@ -534,6 +563,9 @@ gui_bar_item_custom_rename (struct t_gui_bar_item_custom *item,
    if (gui_bar_item_custom_search (new_name))
        return 0;

+    if (gui_bar_item_search_default (new_name) >= 0)
+        return 0;
+
    old_name = strdup (item->name);
    if (!old_name)
        return 0;
@@ -570,6 +602,24 @@ gui_bar_item_custom_rename (struct t_gui_bar_item_custom *item,
    return 1;
 }

+/*
+ * Frees data in a custom bar item.*
+ */
+
+void
+gui_bar_item_custom_free_data (struct t_gui_bar_item_custom *item)
+{
+    int i;
+
+    if (item->name)
+        free (item->name);
+    for (i = 0; i < GUI_BAR_ITEM_CUSTOM_NUM_OPTIONS; i++)
+    {
+        if (item->options[i])
+            config_file_option_free (item->options[i], 1);
+    }
+}
+
 /*
 * Deletes a custom bar item.
 */
@@ -578,7 +628,6 @@ void
 gui_bar_item_custom_free (struct t_gui_bar_item_custom *item)
 {
    char *name;
-    int i;

    if (!item)
        return;
@@ -599,13 +648,7 @@ gui_bar_item_custom_free (struct t_gui_bar_item_custom *item)
        last_gui_custom_bar_item = item->prev_item;

    /* free data */
-    if (item->name)
-        free (item->name);
-    for (i = 0; i < GUI_BAR_ITEM_CUSTOM_NUM_OPTIONS; i++)
-    {
-        if (item->options[i])
-            config_file_option_free (item->options[i], 1);
-    }
+    gui_bar_item_custom_free_data (item);

    free (item);

@@ -69,6 +69,7 @@ extern struct t_gui_bar_item_custom *gui_bar_item_custom_new (const char *name,
 extern void gui_bar_item_custom_use_temp_items ();
 extern int gui_bar_item_custom_rename (struct t_gui_bar_item_custom *item,
                                       const char *new_name);
+extern void gui_bar_item_custom_free_data (struct t_gui_bar_item_custom *item);
 extern void gui_bar_item_custom_free (struct t_gui_bar_item_custom *item);
 extern void gui_bar_item_custom_free_all ();

@@ -97,6 +97,30 @@ gui_bar_item_valid (struct t_gui_bar_item *bar_item)
    return 0;
 }

+/*
+ * Searches for a default bar item by name.
+ *
+ * Returns index in gui_bar_item_names[], -1 if not found.
+ */
+
+int
+gui_bar_item_search_default (const char *item_name)
+{
+    int i;
+
+    if (!item_name || !item_name[0])
+        return -1;
+
+    for (i = 0; i < GUI_BAR_NUM_ITEMS; i++)
+    {
+        if (strcmp (gui_bar_item_names[i], item_name) == 0)
+            return i;
+    }
+
+    /* default bar item not found */
+    return -1;
+}
+
 /*
 * Searches for a bar item by name.
 */
@@ -89,6 +89,7 @@ extern char *gui_bar_item_names[];
 /* functions */

 extern int gui_bar_item_valid (struct t_gui_bar_item *bar_item);
+extern int gui_bar_item_search_default (const char *item_name);
 extern struct t_gui_bar_item *gui_bar_item_search (const char *name);
 extern int gui_bar_item_used_in_bar (struct t_gui_bar *bar,
                                     const char *item_name,
@@ -2145,6 +2145,7 @@ gui_buffer_set_unread (struct t_gui_buffer *buffer, const char *argument)
    else if (argument[0] == '-')
    {
        /* move the unread marker N lines towards the first line */
+        error = NULL;
        number = strtol (argument, &error, 10);
        if (error && !error[0] && (number < 0))
        {
@@ -2172,6 +2173,7 @@ gui_buffer_set_unread (struct t_gui_buffer *buffer, const char *argument)
    else if (argument[0] == '+')
    {
        /* move the unread marker N lines towards the last line */
+        error = NULL;
        number = strtol (argument, &error, 10);
        if (error && !error[0] && (number > 0))
        {
@@ -2197,6 +2199,7 @@ gui_buffer_set_unread (struct t_gui_buffer *buffer, const char *argument)
    else
    {
        /* move the unread marker N lines from the end towards the first line */
+        error = NULL;
        number = strtol (argument, &error, 10);
        if (error && !error[0] && (number > 0))
        {
@@ -2885,6 +2888,7 @@ gui_buffer_search_by_number_or_name (const char *string)

    ptr_buffer = NULL;

+    error = NULL;
    number = strtol (string, &error, 10);
    if (error && !error[0])
    {
@@ -597,6 +597,9 @@ gui_chat_printf_date_tags_internal (struct t_gui_buffer *buffer,
    char *modifier_data, *string, *new_string, *pos_newline;
    struct t_gui_line *new_line;

+    if (!buffer)
+        return;
+
    new_line = NULL;
    string = NULL;
    modifier_data = NULL;
@@ -1076,6 +1079,7 @@ gui_chat_hsignal_quote_line_cb (const void *pointer, void *data,
        hashtable_get (hashtable, "_chat_line_date") : NULL;
    if (date)
    {
+        error = NULL;
        number = strtol (date, &error, 10);
        if (error && !error[0])
        {
@@ -363,7 +363,7 @@ gui_filter_new (int enabled, const char *name, const char *buffer_name,
 {
    struct t_gui_filter *new_filter;
    regex_t *regex1, *regex2;
-    char *pos_tab, *regex_prefix, buf[512], str_error[512];
+    char *pos_tab, *regex_prefix, buf[512], str_error[1024];
    const char *ptr_start_regex, *pos_regex_message;
    int rc;

@@ -88,7 +88,7 @@ gui_history_buffer_add (struct t_gui_buffer *buffer, const char *string)
                    free (buffer->last_history->text);
                free (buffer->last_history);
                buffer->last_history = ptr_history;
-                buffer->num_history++;
+                buffer->num_history--;
            }
        }
    }
@@ -75,8 +75,8 @@ char *gui_key_modifier_list[] =
 { "meta-", "ctrl-", "shift-", NULL };

 char *gui_key_alias_list[] =
-{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11",
-  "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20",
+{ "f10", "f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20",
+  "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9",
  "home", "insert", "delete", "end", "backspace", "pgup", "pgdn",
  "up", "down", "right", "left", "tab", "return", "comma", "space", NULL };

@@ -753,6 +753,7 @@ buflist_bar_item_end ()
    for (i = 0; i < BUFLIST_BAR_NUM_ITEMS; i++)
    {
        weechat_bar_item_remove (buflist_bar_item_buflist[i]);
+        buflist_bar_item_buflist[i] = NULL;
    }

    weechat_hashtable_free (buflist_hashtable_pointers);
@@ -842,6 +842,7 @@ buflist_config_free ()
    int i;

    weechat_config_free (buflist_config_file);
+    buflist_config_file = NULL;

    if (buflist_config_signals_refresh)
        buflist_config_free_signals_refresh ();
@@ -857,9 +858,18 @@ buflist_config_free ()
    }

    if (buflist_config_format_buffer_eval)
+    {
        free (buflist_config_format_buffer_eval);
+        buflist_config_format_buffer_eval = NULL;
+    }
    if (buflist_config_format_buffer_current_eval)
+    {
        free (buflist_config_format_buffer_current_eval);
+        buflist_config_format_buffer_current_eval = NULL;
+    }
    if (buflist_config_format_hotlist_eval)
+    {
        free (buflist_config_format_hotlist_eval);
+        buflist_config_format_hotlist_eval = NULL;
+    }
 }
@@ -62,6 +62,7 @@ buflist_focus_cb (const void *pointer, void *data, struct t_hashtable *info)
    ptr_bar_item_line = weechat_hashtable_get (info, "_bar_item_line");
    if (!ptr_bar_item_line)
        goto end;
+    error = NULL;
    item_line = strtol (ptr_bar_item_line, &error, 10);
    if (!error || error[0])
        goto end;
@@ -250,9 +251,11 @@ buflist_hsignal_cb (const void *pointer, void *data, const char *signal,
        return WEECHAT_RC_OK;
    ptr_buffer = (struct t_gui_buffer *)value;

+    error = NULL;
    number = strtol (ptr_number, &error, 10);
    if (!error || error[0])
        return WEECHAT_RC_OK;
+    error = NULL;
    number2 = strtol (ptr_number2, &error, 10);
    if (!error || error[0])
        return WEECHAT_RC_OK;
@@ -532,5 +532,12 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    buflist_config_write ();
    buflist_config_free ();

+    buflist_hdata_window = NULL;
+    buflist_hdata_buffer = NULL;
+    buflist_hdata_hotlist = NULL;
+    buflist_hdata_bar = NULL;
+    buflist_hdata_bar_item = NULL;
+    buflist_hdata_bar_window = NULL;
+
    return WEECHAT_RC_OK;
 }
@@ -637,11 +637,18 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    charset_config_write ();

    weechat_config_free (charset_config_file);
+    charset_config_file = NULL;

    if (charset_terminal)
+    {
        free (charset_terminal);
+        charset_terminal = NULL;
+    }
    if (charset_internal)
+    {
        free (charset_internal);
+        charset_internal = NULL;
+    }

    return WEECHAT_RC_OK;
 }
@@ -206,6 +206,7 @@ void
 exec_config_free ()
 {
    weechat_config_free (exec_config_file);
+    exec_config_file = NULL;

    if (exec_config_cmd_options)
    {
@@ -157,4 +157,5 @@ void
 fifo_config_free ()
 {
    weechat_config_free (fifo_config_file);
+    fifo_config_file = NULL;
 }
@@ -367,6 +367,9 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_plugin = plugin;

+    fifo_quiet = 0;
+    fifo_fd = -1;
+
    if (!fifo_config_init ())
        return WEECHAT_RC_ERROR;

@@ -241,4 +241,5 @@ void
 fset_bar_item_end ()
 {
    weechat_bar_item_remove (fset_bar_item_fset);
+    fset_bar_item_fset = NULL;
 }
@@ -1626,9 +1626,21 @@ fset_buffer_init ()
 void
 fset_buffer_end ()
 {
-    weechat_hashtable_free (fset_buffer_hashtable_pointers);
-    fset_buffer_hashtable_pointers = NULL;
+    if (fset_buffer)
+    {
+        weechat_buffer_close (fset_buffer);
+        fset_buffer = NULL;
+    }

-    weechat_hashtable_free (fset_buffer_hashtable_extra_vars);
-    fset_buffer_hashtable_extra_vars = NULL;
+    if (fset_buffer_hashtable_pointers)
+    {
+        weechat_hashtable_free (fset_buffer_hashtable_pointers);
+        fset_buffer_hashtable_pointers = NULL;
+    }
+
+    if (fset_buffer_hashtable_extra_vars)
+    {
+        weechat_hashtable_free (fset_buffer_hashtable_extra_vars);
+        fset_buffer_hashtable_extra_vars = NULL;
+    }
 }
@@ -1169,6 +1169,7 @@ void
 fset_config_free ()
 {
    weechat_config_free (fset_config_file);
+    fset_config_file = NULL;

    if (fset_config_auto_refresh)
    {
@@ -1878,4 +1878,9 @@ fset_option_end ()
        weechat_hashtable_free (fset_option_timer_options_changed);
        fset_option_timer_options_changed = NULL;
    }
+    if (fset_option_timer_hook)
+    {
+        weechat_unhook (fset_option_timer_hook);
+        fset_option_timer_hook = NULL;
+    }
 }
@@ -876,7 +876,7 @@ weechat_guile_command_cb (const void *pointer, void *data,
            {
                /* load guile script */
                path_script = plugin_script_search_path (weechat_guile_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_guile_load ((path_script) ? path_script : ptr_name,
                                    NULL);
                if (path_script)
@@ -1258,6 +1258,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_guile_plugin = plugin;

+    guile_quiet = 0;
+    guile_eval_mode = 0;
+    guile_eval_send_input = 0;
+    guile_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1354,12 +1359,22 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (guile_action_install_list)
+    {
        free (guile_action_install_list);
+        guile_action_install_list = NULL;
+    }
    if (guile_action_remove_list)
+    {
        free (guile_action_remove_list);
+        guile_action_remove_list = NULL;
+    }
    if (guile_action_autoload_list)
+    {
        free (guile_action_autoload_list);
+        guile_action_autoload_list = NULL;
+    }
    weechat_string_dyn_free (guile_buffer_output, 1);
+    guile_buffer_output = NULL;

    return WEECHAT_RC_OK;
 }
@@ -2907,11 +2907,13 @@ irc_command_join_server (struct t_irc_server *server, const char *arguments,
            pos_keys++;
        }
        if (pos_keys[0])
+        {
            keys = weechat_string_split (pos_keys, ",", NULL,
                                         WEECHAT_STRING_SPLIT_STRIP_LEFT
                                         | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                         | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
                                         0, &num_keys);
+        }
    }
    else
        new_args = strdup (arguments);
@@ -3025,6 +3027,9 @@ irc_command_join_server (struct t_irc_server *server, const char *arguments,
        }
        weechat_string_free_split (channels);
    }
+
+    if (keys)
+        weechat_string_free_split (keys);
 }

 /*
@@ -7076,7 +7081,7 @@ irc_command_init ()
           "    /ignore add toto*@*.domain.com libera #weechat"),
        "list"
        " || add %(irc_channel_nicks_hosts) %(irc_servers) %(irc_channels) %-"
-        " || del -all|%(irc_ignores_numbers) %-",
+        " || del %(irc_ignores_numbers)|-all %-",
        &irc_command_ignore, NULL, NULL);
    weechat_hook_command (
        "info",
@@ -103,6 +103,7 @@ struct t_config_option *irc_config_look_notice_welcome_redirect = NULL;
 struct t_config_option *irc_config_look_notice_welcome_tags = NULL;
 struct t_config_option *irc_config_look_notify_tags_ison = NULL;
 struct t_config_option *irc_config_look_notify_tags_whois = NULL;
+struct t_config_option *irc_config_look_open_pv_buffer_echo_msg = NULL;
 struct t_config_option *irc_config_look_part_closes_buffer = NULL;
 struct t_config_option *irc_config_look_pv_buffer = NULL;
 struct t_config_option *irc_config_look_pv_tags = NULL;
@@ -3266,6 +3267,13 @@ irc_config_init ()
               "\"notify_highlight\""),
            NULL, 0, 0, "notify_message", NULL, 0,
            NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
+        irc_config_look_open_pv_buffer_echo_msg = weechat_config_new_option (
+            irc_config_file, irc_config_section_look,
+            "open_pv_buffer_echo_msg", "boolean",
+            N_("open a private buffer on self message when capability "
+               "echo-message is enabled"),
+            NULL, 0, 0, "on", NULL, 0,
+            NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
        irc_config_look_part_closes_buffer = weechat_config_new_option (
            irc_config_file, irc_config_section_look,
            "part_closes_buffer", "boolean",
@@ -3849,6 +3857,7 @@ void
 irc_config_free ()
 {
    weechat_config_free (irc_config_file);
+    irc_config_file = NULL;

    if (irc_config_hook_config_nick_color_options)
    {
@@ -139,6 +139,7 @@ extern struct t_config_option *irc_config_look_notice_welcome_redirect;
 extern struct t_config_option *irc_config_look_notice_welcome_tags;
 extern struct t_config_option *irc_config_look_notify_tags_ison;
 extern struct t_config_option *irc_config_look_notify_tags_whois;
+extern struct t_config_option *irc_config_look_open_pv_buffer_echo_msg;
 extern struct t_config_option *irc_config_look_part_closes_buffer;
 extern struct t_config_option *irc_config_look_pv_buffer;
 extern struct t_config_option *irc_config_look_pv_tags;
@@ -343,6 +343,9 @@ irc_info_info_irc_server_isupport_cb (const void *pointer, void *data,
    (void) data;
    (void) info_name;

+    if (!arguments || !arguments[0])
+        return NULL;
+
    isupport_value = NULL;
    pos_comma = strchr (arguments, ',');
    if (pos_comma)
@@ -381,6 +384,9 @@ irc_info_info_irc_server_isupport_value_cb (const void *pointer, void *data,
    (void) data;
    (void) info_name;

+    if (!arguments || !arguments[0])
+        return NULL;
+
    isupport_value = NULL;
    pos_comma = strchr (arguments, ',');
    if (pos_comma)
@@ -419,6 +425,9 @@ irc_info_info_irc_server_cap_cb (const void *pointer, void *data,
    (void) data;
    (void) info_name;

+    if (!arguments || !arguments[0])
+        return NULL;
+
    has_cap = 0;
    pos_comma = strchr (arguments, ',');
    if (pos_comma)
@@ -457,6 +466,9 @@ irc_info_info_irc_server_cap_value_cb (const void *pointer, void *data,
    (void) data;
    (void) info_name;

+    if (!arguments || !arguments[0])
+        return NULL;
+
    cap_value = NULL;
    pos_comma = strchr (arguments, ',');
    if (pos_comma)
@@ -1261,7 +1273,7 @@ irc_info_init ()
        "irc_is_message_ignored",
        N_("1 if the nick is ignored (message is not displayed)"),
        N_("server,message (message is the raw IRC message)"),
-        &irc_info_info_irc_is_channel_cb, NULL, NULL);
+        &irc_info_info_irc_is_message_ignored_cb, NULL, NULL);

    /* info_hashtable hooks */
    weechat_hook_info_hashtable (
@@ -625,6 +625,7 @@ irc_message_parse_cap_multiline_value (struct t_irc_server *server,
    ptr_value = (const char *)weechat_hashtable_get (values, "max-bytes");
    if (ptr_value)
    {
+        error = NULL;
        number = strtol (ptr_value, &error, 10);
        if (error && !error[0])
            server->multiline_max_bytes = number;
@@ -633,6 +634,7 @@ irc_message_parse_cap_multiline_value (struct t_irc_server *server,
    ptr_value = (const char *)weechat_hashtable_get (values, "max-lines");
    if (ptr_value)
    {
+        error = NULL;
        number = strtol (ptr_value, &error, 10);
        if (error && !error[0])
            server->multiline_max_lines = number;
@@ -1053,9 +1055,6 @@ irc_message_split_string (struct t_irc_message_split_context *context,
    if (suffix)
        max_length -= strlen (suffix);

-    if (max_length < 2)
-        return 0;
-
    /* debug message */
    if (weechat_irc_plugin->debug >= 2)
    {
@@ -1067,17 +1066,23 @@ irc_message_split_string (struct t_irc_message_split_context *context,
                        max_length);
    }

-    if (!arguments || !arguments[0])
+    if ((max_length < 2) || !arguments || !arguments[0])
    {
-        snprintf (message, sizeof (message), "%s%s%s %s%s%s%s",
+        /*
+         * max length is not known (server probably sent values that are not
+         * consistent), or no arguments => in this case, we just return message
+         * as-is (no split)
+         */
+        snprintf (message, sizeof (message), "%s%s%s %s%s%s%s%s",
                  (host) ? host : "",
                  (host) ? " " : "",
                  command,
                  (target) ? target : "",
                  (target && target[0]) ? " " : "",
                  (prefix) ? prefix : "",
+                  (arguments) ? arguments : "",
                  (suffix) ? suffix : "");
-        irc_message_split_add (context, tags, message, "");
+        irc_message_split_add (context, tags, message, (arguments) ? arguments : "");
        (context->number)++;
        return 1;
    }
@@ -1678,8 +1683,9 @@ irc_message_split (struct t_irc_server *server, const char *message)
    }

    multiline = (
-        ((weechat_strcasecmp (command, "privmsg") == 0)
-         || (weechat_strcasecmp (command, "notice") == 0))
+        server
+        && ((weechat_strcasecmp (command, "privmsg") == 0)
+            || (weechat_strcasecmp (command, "notice") == 0))
        && message
        && strchr (message, '\n')
        && (index_args + 1 <= argc - 1)
@@ -1288,9 +1288,18 @@ void
 irc_notify_end ()
 {
    if (irc_notify_timer_ison)
+    {
        weechat_unhook (irc_notify_timer_ison);
+        irc_notify_timer_ison = NULL;
+    }
    if (irc_notify_timer_whois)
+    {
        weechat_unhook (irc_notify_timer_whois);
+        irc_notify_timer_whois = NULL;
+    }
    if (irc_notify_hsignal)
+    {
        weechat_unhook (irc_notify_hsignal);
+        irc_notify_hsignal = NULL;
+    }
 }
@@ -341,6 +341,7 @@ irc_protocol_parse_time (const char *time)
            pos = strchr (time2, ',');
            if (pos)
                pos[0] = '\0';
+            error = NULL;
            value = strtol (time2, &error, 10);
            if (error && !error[0] && (value >= 0))
                time_value = (int)value;
@@ -3077,6 +3078,9 @@ IRC_PROTOCOL_CALLBACK(privmsg)
        pos_target++;
    }

+    cap_echo_message = weechat_hashtable_has_key (server->cap_list,
+                                                  "echo-message");
+
    /* receiver is a channel ? */
    if (is_channel)
    {
@@ -3200,8 +3204,6 @@ IRC_PROTOCOL_CALLBACK(privmsg)
        /* CTCP to user */
        if (msg_args[0] == '\01')
        {
-            cap_echo_message = weechat_hashtable_has_key (server->cap_list,
-                                                          "echo-message");
            msg_already_received = weechat_hashtable_has_key (
                server->echo_msg_recv, irc_message);
            if (!msg_already_received && cap_echo_message)
@@ -3231,7 +3233,8 @@ IRC_PROTOCOL_CALLBACK(privmsg)
            if (strcmp (ptr_channel->name, remote_nick) != 0)
                irc_channel_pv_rename (server, ptr_channel, remote_nick);
        }
-        else
+        else if (!nick_is_me || !cap_echo_message
+                 || weechat_config_boolean (irc_config_look_open_pv_buffer_echo_msg))
        {
            ptr_channel = irc_channel_new (server,
                                           IRC_CHANNEL_TYPE_PRIVATE,
@@ -3247,13 +3250,21 @@ IRC_PROTOCOL_CALLBACK(privmsg)
            }
        }

-        if (weechat_config_boolean (irc_config_look_typing_status_nicks))
+        if (ptr_channel
+            && weechat_config_boolean (irc_config_look_typing_status_nicks))
        {
            irc_typing_channel_set_nick (ptr_channel, nick,
                                         IRC_CHANNEL_TYPING_STATE_OFF);
        }

-        irc_channel_set_topic (ptr_channel, address);
+        if (ptr_channel
+            && (!nick_is_me
+                || !cap_echo_message
+                || (irc_server_strcasecmp (server,
+                                           server->nick, remote_nick) == 0)))
+        {
+            irc_channel_set_topic (ptr_channel, address);
+        }

        if (nick_is_me)
        {
@@ -3296,20 +3307,35 @@ IRC_PROTOCOL_CALLBACK(privmsg)
            free (str_color);
        msg_args2 = (nick_is_me) ?
            irc_message_hide_password (server, remote_nick, msg_args) : NULL;
-        weechat_printf_date_tags (
-            ptr_channel->buffer,
-            date,
-            irc_protocol_tags (server, command, tags, str_tags, nick, address),
-            "%s%s",
-            irc_nick_as_prefix (
-                server, NULL, nick,
-                (nick_is_me) ?
-                IRC_COLOR_CHAT_NICK_SELF : irc_nick_color_for_pv (ptr_channel, nick)),
-            (msg_args2) ? msg_args2 : msg_args);
+        if (nick_is_me && !ptr_channel)
+        {
+            irc_input_user_message_display (
+                server,
+                date,
+                remote_nick,
+                address,
+                "privmsg",
+                NULL,  /* ctcp_type */
+                (msg_args2) ? msg_args2 : msg_args,
+                1);  /* decode_colors */
+        }
+        else
+        {
+            weechat_printf_date_tags (
+                ptr_channel->buffer,
+                date,
+                irc_protocol_tags (server, command, tags, str_tags, nick, address),
+                "%s%s",
+                irc_nick_as_prefix (
+                    server, NULL, nick,
+                    (nick_is_me) ?
+                    IRC_COLOR_CHAT_NICK_SELF : irc_nick_color_for_pv (ptr_channel, nick)),
+                (msg_args2) ? msg_args2 : msg_args);
+        }
        if (msg_args2)
            free (msg_args2);

-        if (ptr_channel->has_quit_server)
+        if (ptr_channel && ptr_channel->has_quit_server)
            ptr_channel->has_quit_server = 0;

        (void) weechat_hook_signal_send ("irc_pv",
@@ -6249,7 +6275,7 @@ IRC_PROTOCOL_CALLBACK(353)
            free (prefixes);
    }

-    if (!ptr_channel)
+    if (!ptr_channel && str_nicks)
    {
        weechat_printf_date_tags (
            irc_msgbuffer_get_target_buffer (
@@ -7818,7 +7844,8 @@ irc_protocol_recv_command (struct t_irc_server *server,
        IRCB(331, 1, 0, 331),            /* no topic for channel            */
        IRCB(332, 0, 1, 332),            /* topic of channel                */
        IRCB(333, 1, 0, 333),            /* topic info (nick/date)          */
-        IRCB(335, 1, 0, whois_nick_msg), /* is a bot on                     */
+        IRCB(335, 1, 0, whois_nick_msg), /* whois (is a bot on)             */
+        IRCB(337, 1, 0, whois_nick_msg), /* whois (is hiding idle time)     */
        IRCB(338, 1, 0, 338),            /* whois (host)                    */
        IRCB(341, 1, 0, 341),            /* inviting                        */
        IRCB(343, 1, 0, 330_343),        /* is opered as                    */
@@ -673,6 +673,11 @@ irc_raw_end ()
 {
    irc_raw_message_free_all ();

+    if (irc_raw_buffer)
+    {
+        weechat_buffer_close (irc_raw_buffer);
+        irc_raw_buffer = NULL;
+    }
    if (irc_raw_filter)
    {
        free (irc_raw_filter);
@@ -462,6 +462,7 @@ irc_redirect_new_with_commands (struct t_irc_server *server,
                    if (pos)
                    {
                        pos[0] = '\0';
+                        error = NULL;
                        value = strtol (pos + 1, &error, 10);
                        if (!error || error[0])
                            value = -1;
@@ -1309,6 +1310,7 @@ irc_redirect_pattern_hsignal_cb (const void *pointer, void *data,
    timeout = 0;
    if (str_timeout && str_timeout[0])
    {
+        error = NULL;
        number = (int)strtol (str_timeout, &error, 10);
        if (error && !error[0])
            timeout = number;
@@ -1379,6 +1381,7 @@ irc_redirect_command_hsignal_cb (const void *pointer, void *data,
    count = 1;
    if (str_count && str_count[0])
    {
+        error = NULL;
        number = (int)strtol (str_count, &error, 10);
        if (error && !error[0])
            count = number;
@@ -1387,6 +1390,7 @@ irc_redirect_command_hsignal_cb (const void *pointer, void *data,
    timeout = 0;
    if (str_timeout && str_timeout[0])
    {
+        error = NULL;
        number = (int)strtol (str_timeout, &error, 10);
        if (error && !error[0])
            timeout = number;
@@ -131,6 +131,8 @@ char *irc_server_options[IRC_SERVER_NUM_OPTIONS][2] =

 char *irc_server_casemapping_string[IRC_SERVER_NUM_CASEMAPPING] =
 { "rfc1459", "strict-rfc1459", "ascii" };
+int irc_server_casemapping_range[IRC_SERVER_NUM_CASEMAPPING] =
+{ 30, 29, 26 };

 char *irc_server_utf8mapping_string[IRC_SERVER_NUM_UTF8MAPPING] =
 { "none", "rfc8265" };
@@ -294,25 +296,15 @@ int
 irc_server_strcasecmp (struct t_irc_server *server,
                       const char *string1, const char *string2)
 {
-    int casemapping, rc;
+    int casemapping, range;

-    casemapping = (server) ? server->casemapping : IRC_SERVER_CASEMAPPING_RFC1459;
-    switch (casemapping)
-    {
-        case IRC_SERVER_CASEMAPPING_RFC1459:
-            rc = weechat_strcasecmp_range (string1, string2, 30);
-            break;
-        case IRC_SERVER_CASEMAPPING_STRICT_RFC1459:
-            rc = weechat_strcasecmp_range (string1, string2, 29);
-            break;
-        case IRC_SERVER_CASEMAPPING_ASCII:
-            rc = weechat_strcasecmp (string1, string2);
-            break;
-        default:
-            rc = weechat_strcasecmp_range (string1, string2, 30);
-            break;
-    }
-    return rc;
+    casemapping = (server) ? server->casemapping : -1;
+    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
+        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
+
+    range = irc_server_casemapping_range[casemapping];
+
+    return weechat_strcasecmp_range (string1, string2, range);
 }

 /*
@@ -329,25 +321,15 @@ int
 irc_server_strncasecmp (struct t_irc_server *server,
                        const char *string1, const char *string2, int max)
 {
-    int casemapping, rc;
+    int casemapping, range;

-    casemapping = (server) ? server->casemapping : IRC_SERVER_CASEMAPPING_RFC1459;
-    switch (casemapping)
-    {
-        case IRC_SERVER_CASEMAPPING_RFC1459:
-            rc = weechat_strncasecmp_range (string1, string2, max, 30);
-            break;
-        case IRC_SERVER_CASEMAPPING_STRICT_RFC1459:
-            rc = weechat_strncasecmp_range (string1, string2, max, 29);
-            break;
-        case IRC_SERVER_CASEMAPPING_ASCII:
-            rc = weechat_strncasecmp (string1, string2, max);
-            break;
-        default:
-            rc = weechat_strncasecmp_range (string1, string2, max, 30);
-            break;
-    }
-    return rc;
+    casemapping = (server) ? server->casemapping : -1;
+    if ((casemapping < 0) || (casemapping >= IRC_SERVER_NUM_CASEMAPPING))
+        casemapping = IRC_SERVER_CASEMAPPING_RFC1459;
+
+    range = irc_server_casemapping_range[casemapping];
+
+    return weechat_strncasecmp_range (string1, string2, max, range);
 }

 /*
@@ -418,6 +400,9 @@ irc_server_eval_fingerprint (struct t_irc_server *server)
    char *fingerprint_eval, **fingerprints, *str_sizes;
    int i, j, rc, algo, length;

+    if (!server)
+        return NULL;
+
    ptr_fingerprint = IRC_SERVER_OPTION_STRING(server,
                                               IRC_SERVER_OPTION_TLS_FINGERPRINT);

@@ -1611,6 +1596,25 @@ irc_server_buffer_set_input_multiline (struct t_irc_server *server,
    }
 }

+/*
+ * Checks if a server has channels opened.
+ */
+
+int
+irc_server_has_channels (struct t_irc_server *server)
+{
+    struct t_irc_channel *ptr_channel;
+
+    for (ptr_channel = server->channels; ptr_channel;
+         ptr_channel = ptr_channel->next_channel)
+    {
+        if (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
+            return 1;
+    }
+
+    return 0;
+}
+
 /*
 * Allocates a new server and adds it to the servers queue.
 *
@@ -2814,11 +2818,10 @@ irc_server_outqueue_send (struct t_irc_server *server)
                              '\r');
                if (pos)
                    pos[0] = '\0';
+
                irc_raw_print (server, IRC_RAW_FLAG_SEND |
                               ((server->outqueue[priority]->modified) ? IRC_RAW_FLAG_MODIFIED : 0),
                               server->outqueue[priority]->message_after_mod);
-                if (pos)
-                    pos[0] = '\r';

                /* send signal with command that will be sent to server */
                (void) irc_server_send_signal (
@@ -2836,6 +2839,9 @@ irc_server_outqueue_send (struct t_irc_server *server)
                if (tags_to_send)
                    free (tags_to_send);

+                if (pos)
+                    pos[0] = '\r';
+
                /* send command */
                irc_server_send (
                    server, server->outqueue[priority]->message_after_mod,
@@ -5861,7 +5867,7 @@ irc_server_autojoin_create_buffers (struct t_irc_server *server)
     * buffers are opened only if auto-join was not already done
     * and if no channels are currently opened
     */
-    if (server->autojoin_done || server->channels)
+    if (server->autojoin_done || irc_server_has_channels (server))
        return;

    /* evaluate server option "autojoin" */
@@ -6022,7 +6028,7 @@ irc_server_autojoin_channels (struct t_irc_server *server)
        return;
    }

-    if (!server->autojoin_done && !server->channels)
+    if (!server->autojoin_done && !irc_server_has_channels (server))
    {
        /* auto-join when connecting to server for first time */
        autojoin = irc_server_eval_expression (
@@ -6036,7 +6042,7 @@ irc_server_autojoin_channels (struct t_irc_server *server)
        if (autojoin)
            free (autojoin);
    }
-    else if (server->channels)
+    else if (irc_server_has_channels (server))
    {
        /* auto-join after disconnection (only rejoins opened channels) */
        autojoin = irc_server_build_autojoin (server);
@@ -387,6 +387,7 @@ extern char *irc_server_get_default_msg (const char *default_msg,
                                         const char *target_nick);
 extern void irc_server_buffer_set_input_multiline (struct t_irc_server *server,
                                                   int multiline);
+extern int irc_server_has_channels (struct t_irc_server *server);
 extern struct t_irc_server *irc_server_alloc (const char *name);
 extern struct t_irc_server *irc_server_alloc_with_url (const char *irc_url);
 extern void irc_server_apply_command_line_options (struct t_irc_server *server,
@@ -192,6 +192,9 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_plugin = plugin;

+    irc_signal_quit_received = 0;
+    irc_signal_upgrade_received = 0;
+
    if (!irc_config_init ())
        return WEECHAT_RC_ERROR;

@@ -307,7 +310,10 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    (void) plugin;

    if (irc_hook_timer)
+    {
        weechat_unhook (irc_hook_timer);
+        irc_hook_timer = NULL;
+    }

    if (irc_signal_upgrade_received)
    {
@@ -657,7 +657,7 @@ weechat_js_command_cb (const void *pointer, void *data,
            {
                /* load javascript script */
                path_script = plugin_script_search_path (weechat_js_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_js_load ((path_script) ? path_script : ptr_name,
                                 NULL);
                if (path_script)
@@ -930,6 +930,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_js_plugin = plugin;

+    js_quiet = 0;
+    js_eval_mode = 0;
+    js_eval_send_input = 0;
+    js_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    snprintf (str_interpreter, sizeof (str_interpreter),
              "%s (v8)", plugin->name);
@@ -980,11 +985,20 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (js_action_install_list)
+    {
        free (js_action_install_list);
+        js_action_install_list = NULL;
+    }
    if (js_action_remove_list)
+    {
        free (js_action_remove_list);
+        js_action_remove_list = NULL;
+    }
    if (js_action_autoload_list)
+    {
        free (js_action_autoload_list);
+        js_action_autoload_list = NULL;
+    }
    /* weechat_string_dyn_free (js_buffer_output, 1); */

    return WEECHAT_RC_OK;
@@ -261,7 +261,6 @@ logger_backlog_file (struct t_gui_buffer *buffer, const char *filename,
    struct t_arraylist *last_lines, *messages;
    int i, num_msgs, old_input_multiline;

-    num_msgs = 0;
    last_lines = logger_tail_file (filename, lines);
    if (!last_lines)
        return;
@@ -752,4 +752,5 @@ void
 logger_config_free ()
 {
    weechat_config_free (logger_config_file);
+    logger_config_file = NULL;
 }
@@ -975,7 +975,7 @@ weechat_lua_command_cb (const void *pointer, void *data,
            {
                /* load lua script */
                path_script = plugin_script_search_path (weechat_lua_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_lua_load ((path_script) ? path_script : ptr_name,
                                  NULL);
                if (path_script)
@@ -1243,6 +1243,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_lua_plugin = plugin;

+    lua_quiet = 0;
+    lua_eval_mode = 0;
+    lua_eval_send_input = 0;
+    lua_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1304,12 +1309,22 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (lua_action_install_list)
+    {
        free (lua_action_install_list);
+        lua_action_install_list = NULL;
+    }
    if (lua_action_remove_list)
+    {
        free (lua_action_remove_list);
+        lua_action_remove_list = NULL;
+    }
    if (lua_action_autoload_list)
+    {
        free (lua_action_autoload_list);
+        lua_action_autoload_list = NULL;
+    }
    weechat_string_dyn_free (lua_buffer_output, 1);
+    lua_buffer_output = NULL;

    return WEECHAT_RC_OK;
 }
@@ -963,7 +963,7 @@ weechat_perl_command_cb (const void *pointer, void *data,
            {
                /* load perl script */
                path_script = plugin_script_search_path (weechat_perl_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_perl_load ((path_script) ? path_script : ptr_name,
                                   NULL);
                if (path_script)
@@ -1264,6 +1264,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_perl_plugin = plugin;

+    perl_quiet = 0;
+    perl_eval_mode = 0;
+    perl_eval_send_input = 0;
+    perl_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1368,12 +1373,22 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (perl_action_install_list)
+    {
        free (perl_action_install_list);
+        perl_action_install_list = NULL;
+    }
    if (perl_action_remove_list)
+    {
        free (perl_action_remove_list);
+        perl_action_remove_list = NULL;
+    }
    if (perl_action_autoload_list)
+    {
        free (perl_action_autoload_list);
+        perl_action_autoload_list = NULL;
+    }
    weechat_string_dyn_free (perl_buffer_output, 1);
+    perl_buffer_output = NULL;

    return WEECHAT_RC_OK;
 }
@@ -977,7 +977,7 @@ weechat_php_command_cb (const void *pointer, void *data,
            {
                /* load PHP script */
                path_script = plugin_script_search_path (weechat_php_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_php_load ((path_script) ? path_script : ptr_name,
                                  NULL);
                if (path_script)
@@ -1308,6 +1308,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_php_plugin = plugin;

+    php_quiet = 0;
+    php_eval_mode = 0;
+    php_eval_send_input = 0;
+    php_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1382,11 +1387,20 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    php_embed_shutdown ();

    if (php_action_install_list)
+    {
        free (php_action_install_list);
+        php_action_install_list = NULL;
+    }
    if (php_action_remove_list)
+    {
        free (php_action_remove_list);
+        php_action_remove_list = NULL;
+    }
    if (php_action_autoload_list)
+    {
        free (php_action_autoload_list);
+        php_action_autoload_list = NULL;
+    }
    /* weechat_string_dyn_free (php_buffer_output, 1); */

    return WEECHAT_RC_OK;
@@ -536,7 +536,8 @@ plugin_script_search_by_full_name (struct t_plugin_script *scripts,

 char *
 plugin_script_search_path (struct t_weechat_plugin *weechat_plugin,
-                           const char *filename)
+                           const char *filename,
+                           int search_system_dir)
 {
    char *final_name, *weechat_data_dir, *dir_system;
    int length;
@@ -601,28 +602,31 @@ plugin_script_search_path (struct t_weechat_plugin *weechat_plugin,
        free (weechat_data_dir);
    }

-    /* try WeeChat system dir */
-    dir_system = weechat_info_get ("weechat_sharedir", "");
-    if (dir_system)
+    if (search_system_dir)
    {
-        length = strlen (dir_system) + strlen (weechat_plugin->name) +
-            strlen (filename) + 16;
-        final_name = malloc (length);
-        if (final_name)
+        /* try WeeChat system dir */
+        dir_system = weechat_info_get ("weechat_sharedir", "");
+        if (dir_system)
        {
-            snprintf (final_name,length,
-                      "%s/%s/%s", dir_system, weechat_plugin->name, filename);
-            if ((stat (final_name, &st) == 0) && (st.st_size > 0))
+            length = strlen (dir_system) + strlen (weechat_plugin->name) +
+                strlen (filename) + 16;
+            final_name = malloc (length);
+            if (final_name)
            {
-                free (dir_system);
-                return final_name;
+                snprintf (final_name,length,
+                          "%s/%s/%s", dir_system, weechat_plugin->name, filename);
+                if ((stat (final_name, &st) == 0) && (st.st_size > 0))
+                {
+                    free (dir_system);
+                    return final_name;
+                }
+                free (final_name);
            }
-            free (final_name);
+            free (dir_system);
        }
-        free (dir_system);
    }

-    return strdup (filename);
+    return NULL;
 }

 /*
@@ -1146,17 +1150,9 @@ plugin_script_remove_file (struct t_weechat_plugin *weechat_plugin,
    i = 0;
    while (i < 2)
    {
-        path_script = plugin_script_search_path (weechat_plugin, name);
-        /*
-         * script not found? (if path_script == name, that means the function
-         * above did not find the script)
-         */
-        if (!path_script || (strcmp (path_script, name) == 0))
-        {
-            if (path_script)
-                free (path_script);
+        path_script = plugin_script_search_path (weechat_plugin, name, 0);
+        if (!path_script)
            break;
-        }
        num_found++;
        if (unlink (path_script) == 0)
        {
@@ -1216,7 +1212,7 @@ plugin_script_action_install (struct t_weechat_plugin *weechat_plugin,
                              char **list)
 {
    char **argv, *name, *ptr_base_name, *base_name, *new_path, *autoload_path;
-    char *symlink_path, str_signal[128], *ptr_list, *weechat_data_dir, *dir_separator;
+    char *symlink_path, str_signal[128], *ptr_name, *weechat_data_dir, *dir_separator;
    int argc, i, length, rc, autoload, existing_script, script_loaded;
    struct t_plugin_script *ptr_script;

@@ -1226,30 +1222,7 @@ plugin_script_action_install (struct t_weechat_plugin *weechat_plugin,
    /* create again directories, just in case they have been removed */
    plugin_script_create_dirs (weechat_plugin);

-    ptr_list = *list;
-    autoload = 0;
-    *quiet = 0;
-
-    while ((ptr_list[0] == ' ') || (ptr_list[0] == '-'))
-    {
-        if (ptr_list[0] == ' ')
-            ptr_list++;
-        else
-        {
-            switch (ptr_list[1])
-            {
-                case 'a': /* autoload */
-                    autoload = 1;
-                    break;
-                case 'q': /* quiet mode */
-                    *quiet = 1;
-                    break;
-            }
-            ptr_list += 2;
-        }
-    }
-
-    argv = weechat_string_split (ptr_list, ",", NULL,
+    argv = weechat_string_split (*list, ",", NULL,
                                 WEECHAT_STRING_SPLIT_STRIP_LEFT
                                 | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                 | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
@@ -1258,7 +1231,30 @@ plugin_script_action_install (struct t_weechat_plugin *weechat_plugin,
    {
        for (i = 0; i < argc; i++)
        {
-            name = strdup (argv[i]);
+            autoload = 0;
+            *quiet = 0;
+            ptr_name = argv[i];
+            while ((ptr_name[0] == ' ') || (ptr_name[0] == '-'))
+            {
+                if (ptr_name[0] == ' ')
+                {
+                    ptr_name++;
+                }
+                else
+                {
+                    switch (ptr_name[1])
+                    {
+                        case 'a': /* autoload */
+                            autoload = 1;
+                            break;
+                        case 'q': /* quiet mode */
+                            *quiet = 1;
+                            break;
+                    }
+                    ptr_name += 2;
+                }
+            }
+            name = strdup (ptr_name);
            if (name)
            {
                ptr_base_name = basename (name);
@@ -1350,6 +1346,13 @@ plugin_script_action_install (struct t_weechat_plugin *weechat_plugin,
                    free (base_name);
                    if (weechat_data_dir)
                        free (weechat_data_dir);
+
+                    /* send signal */
+                    snprintf (str_signal, sizeof (str_signal),
+                              "%s_script_installed", weechat_plugin->name);
+                    (void) weechat_hook_signal_send (str_signal,
+                                                     WEECHAT_HOOK_SIGNAL_STRING,
+                                                     name);
                }
                free (name);
            }
@@ -1359,11 +1362,6 @@ plugin_script_action_install (struct t_weechat_plugin *weechat_plugin,

    *quiet = 0;

-    snprintf (str_signal, sizeof (str_signal),
-              "%s_script_installed", weechat_plugin->name);
-    (void) weechat_hook_signal_send (str_signal, WEECHAT_HOOK_SIGNAL_STRING,
-                                     ptr_list);
-
    free (*list);
    *list = NULL;
 }
@@ -1383,7 +1381,7 @@ plugin_script_action_remove (struct t_weechat_plugin *weechat_plugin,
                             int *quiet,
                             char **list)
 {
-    char **argv, str_signal[128], *ptr_list;
+    char **argv, str_signal[128], *ptr_name;
    int argc, i;
    struct t_plugin_script *ptr_script;

@@ -1393,15 +1391,7 @@ plugin_script_action_remove (struct t_weechat_plugin *weechat_plugin,
    /* create again directories, just in case they have been removed */
    plugin_script_create_dirs (weechat_plugin);

-    ptr_list = *list;
-    *quiet = 0;
-    if (strncmp (ptr_list, "-q ", 3) == 0)
-    {
-        *quiet = 1;
-        ptr_list += 3;
-    }
-
-    argv = weechat_string_split (ptr_list, ",", NULL,
+    argv = weechat_string_split (*list, ",", NULL,
                                 WEECHAT_STRING_SPLIT_STRIP_LEFT
                                 | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                 | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
@@ -1410,25 +1400,35 @@ plugin_script_action_remove (struct t_weechat_plugin *weechat_plugin,
    {
        for (i = 0; i < argc; i++)
        {
+            ptr_name = argv[i];
+            *quiet = 0;
+            if (strncmp (ptr_name, "-q ", 3) == 0)
+            {
+                *quiet = 1;
+                ptr_name += 3;
+            }
+
            /* unload script, if script is loaded */
-            ptr_script = plugin_script_search_by_full_name (scripts, argv[i]);
+            ptr_script = plugin_script_search_by_full_name (scripts, ptr_name);
            if (ptr_script)
                (*script_unload) (ptr_script);

            /* remove script file(s) */
-            (void) plugin_script_remove_file (weechat_plugin, argv[i],
+            (void) plugin_script_remove_file (weechat_plugin, ptr_name,
                                              *quiet, 1);
+
+            /* send signal */
+            snprintf (str_signal, sizeof (str_signal),
+                      "%s_script_removed", weechat_plugin->name);
+            (void) weechat_hook_signal_send (str_signal,
+                                             WEECHAT_HOOK_SIGNAL_STRING,
+                                             ptr_name);
        }
        weechat_string_free_split (argv);
    }

    *quiet = 0;

-    snprintf (str_signal, sizeof (str_signal),
-              "%s_script_removed", weechat_plugin->name);
-    (void) weechat_hook_signal_send (str_signal, WEECHAT_HOOK_SIGNAL_STRING,
-                                     ptr_list);
-
    free (*list);
    *list = NULL;
 }
@@ -1443,7 +1443,7 @@ plugin_script_action_autoload (struct t_weechat_plugin *weechat_plugin,
                               char **list)
 {
    char **argv, *name, *ptr_base_name, *base_name, *autoload_path;
-    char *symlink_path, *ptr_list, *weechat_data_dir, *dir_separator;
+    char *symlink_path, *ptr_name, *weechat_data_dir, *dir_separator;
    int argc, i, length, rc, autoload;

    if (!*list)
@@ -1452,30 +1452,7 @@ plugin_script_action_autoload (struct t_weechat_plugin *weechat_plugin,
    /* create again directories, just in case they have been removed */
    plugin_script_create_dirs (weechat_plugin);

-    ptr_list = *list;
-    autoload = 0;
-    *quiet = 0;
-
-    while ((ptr_list[0] == ' ') || (ptr_list[0] == '-'))
-    {
-        if (ptr_list[0] == ' ')
-            ptr_list++;
-        else
-        {
-            switch (ptr_list[1])
-            {
-                case 'a': /* no autoload */
-                    autoload = 1;
-                    break;
-                case 'q': /* quiet mode */
-                    *quiet = 1;
-                    break;
-            }
-            ptr_list += 2;
-        }
-    }
-
-    argv = weechat_string_split (ptr_list, ",", NULL,
+    argv = weechat_string_split (*list, ",", NULL,
                                 WEECHAT_STRING_SPLIT_STRIP_LEFT
                                 | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                 | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
@@ -1484,7 +1461,30 @@ plugin_script_action_autoload (struct t_weechat_plugin *weechat_plugin,
    {
        for (i = 0; i < argc; i++)
        {
-            name = strdup (argv[i]);
+            ptr_name = argv[i];
+            autoload = 0;
+            *quiet = 0;
+            while ((ptr_name[0] == ' ') || (ptr_name[0] == '-'))
+            {
+                if (ptr_name[0] == ' ')
+                {
+                    ptr_name++;
+                }
+                else
+                {
+                    switch (ptr_name[1])
+                    {
+                        case 'a': /* no autoload */
+                            autoload = 1;
+                            break;
+                        case 'q': /* quiet mode */
+                            *quiet = 1;
+                            break;
+                    }
+                    ptr_name += 2;
+                }
+            }
+            name = strdup (ptr_name);
            if (name)
            {
                ptr_base_name = basename (name);
@@ -1795,6 +1795,7 @@ plugin_script_end (struct t_weechat_plugin *weechat_plugin,
    /* write config file (file: "<language>.conf") */
    weechat_config_write (*(plugin_data->config_file));
    weechat_config_free (*(plugin_data->config_file));
+    *(plugin_data->config_file) = NULL;
 }

 /*
@@ -135,7 +135,8 @@ extern void plugin_script_auto_load (struct t_weechat_plugin *weechat_plugin,
 extern struct t_plugin_script *plugin_script_search (struct t_plugin_script *scripts,
                                                     const char *name);
 extern char *plugin_script_search_path (struct t_weechat_plugin *weechat_plugin,
-                                        const char *filename);
+                                        const char *filename,
+                                        int search_system_dir);
 extern struct t_plugin_script *plugin_script_alloc (const char *filename,
                                                    const char *name,
                                                    const char *author,
@@ -80,8 +80,8 @@
    return PyLong_FromLong((long)__int)
 #define API_RETURN_LONG(__long)                                         \
    return PyLong_FromLong(__long)
-#define API_RETURN_LONGLONG(__longlong)                                 \
-    return PyLong_FromLongLong(__longlong)
+#define API_RETURN_ULONGLONG(__ulonglong)                               \
+    return PyLong_FromUnsignedLongLong(__ulonglong)


 /*
@@ -376,14 +376,14 @@ API_FUNC(string_parse_size)
    char *size;
    unsigned long long value;

-    API_INIT_FUNC(1, "string_parse_size", API_RETURN_LONGLONG(0));
+    API_INIT_FUNC(1, "string_parse_size", API_RETURN_ULONGLONG(0));
    size = NULL;
    if (!PyArg_ParseTuple (args, "s", &size))
-        API_WRONG_ARGS(API_RETURN_LONGLONG(0));
+        API_WRONG_ARGS(API_RETURN_ULONGLONG(0));

    value = weechat_string_parse_size (size);

-    API_RETURN_LONGLONG(value);
+    API_RETURN_ULONGLONG(value);
 }

 API_FUNC(string_color_code_size)
@@ -1201,7 +1201,7 @@ weechat_python_command_cb (const void *pointer, void *data,
            {
                /* load python script */
                path_script = plugin_script_search_path (weechat_python_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_python_load ((path_script) ? path_script : ptr_name,
                                     NULL);
                if (path_script)
@@ -1471,6 +1471,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_python_plugin = plugin;

+    python_quiet = 0;
+    python_eval_mode = 0;
+    python_eval_send_input = 0;
+    python_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1582,12 +1587,22 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (python_action_install_list)
+    {
        free (python_action_install_list);
+        python_action_install_list = NULL;
+    }
    if (python_action_remove_list)
+    {
        free (python_action_remove_list);
+        python_action_remove_list = NULL;
+    }
    if (python_action_autoload_list)
+    {
        free (python_action_autoload_list);
+        python_action_autoload_list = NULL;
+    }
    weechat_string_dyn_free (python_buffer_output, 1);
+    python_buffer_output = NULL;

    return WEECHAT_RC_OK;
 }
@@ -3,7 +3,7 @@
 # DO NOT EDIT BY HAND!
 #

-from typing import Dict
+from typing import Dict, Union

 WEECHAT_RC_OK: int = 0
 WEECHAT_RC_OK_EAT: int = 1
@@ -539,7 +539,7 @@ def config_new_section(config_file: str, name: str,
    ::

        # example
-        def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+        def my_section_read_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
            # ...
            return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
            # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -558,7 +558,7 @@ def config_new_section(config_file: str, name: str,
            # return weechat.WEECHAT_CONFIG_WRITE_ERROR
            # return weechat.WEECHAT_CONFIG_WRITE_MEMORY_ERROR

-        def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: str | None) -> int:
+        def my_section_create_option_cb(data: str, config_file: str, section: str, option_name: str, value: Union[str, None]) -> int:
            # ...
            return weechat.WEECHAT_CONFIG_OPTION_SET_OK_CHANGED
            # return weechat.WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE
@@ -594,7 +594,7 @@ def config_search_section(config_file: str, section_name: str) -> str:

 def config_new_option(config_file: str, section: str, name: str, type: str, description: str,
                      string_values: str, min: int, max: int,
-                      default_value: str | None, value: str | None, null_value_allowed: int,
+                      default_value: Union[str, None], value: Union[str, None], null_value_allowed: int,
                      callback_check_value: str, callback_check_value_data: str,
                      callback_change: str, callback_change_data: str,
                      callback_delete: str, callback_delete_data: str) -> str:
@@ -50,7 +50,7 @@ list(APPEND LINK_LIBS ${GCRYPT_LDFLAGS})

 list(APPEND LINK_LIBS ${ZLIB_LIBRARY})

-include_directories(${ZSTD_INCLUDE_DIRS})
+include_directories(${LIBZSTD_INCLUDE_DIRS})
 list(APPEND LINK_LIBS ${LIBZSTD_LDFLAGS})

 target_link_libraries(relay ${LINK_LIBS} coverage_config)
@@ -616,6 +616,13 @@ relay_irc_signal_irc_disc_cb (const void *pointer, void *data,

    if (strcmp ((char *)signal_data, client->protocol_args) == 0)
    {
+        relay_irc_sendf (client,
+                         ":%s ERROR :WeeChat: disconnected from server \"%s\"",
+                         RELAY_IRC_DATA(client, address),
+                         client->protocol_args);
+        relay_irc_sendf (client,
+                         ":%s ERROR :Closing Link",
+                         RELAY_IRC_DATA(client, address));
        relay_client_set_status (client, RELAY_STATUS_DISCONNECTED);
    }

@@ -247,6 +247,7 @@ relay_auth_parse_pbkdf2 (const char *parameters,
    }

    /* parameter 2: iterations */
+    error = NULL;
    *iterations = (int)strtol (argv[1], &error, 10);
    if (!error || error[0])
        *iterations = 0;
@@ -1460,6 +1460,7 @@ void
 relay_config_free ()
 {
    weechat_config_free (relay_config_file);
+    relay_config_file = NULL;

    if (relay_config_regex_allowed_ips)
    {
@@ -162,6 +162,9 @@ relay_network_set_priority ()
 void
 relay_network_init ()
 {
+    relay_network_init_ok = 0;
+    relay_network_init_tls_cert_key_ok = 0;
+
    /* credentials */
    gnutls_certificate_allocate_credentials (&relay_gnutls_x509_cred);
    relay_network_set_tls_cert_key (0);
@@ -203,6 +203,8 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_plugin = plugin;

+    relay_signal_upgrade_received = 0;
+
    if (!relay_config_init ())
        return WEECHAT_RC_ERROR;

@@ -240,7 +242,10 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    (void) plugin;

    if (relay_hook_timer)
+    {
        weechat_unhook (relay_hook_timer);
+        relay_hook_timer = NULL;
+    }

    relay_config_write ();

@@ -254,7 +259,11 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    relay_server_free_all ();

    if (relay_buffer)
+    {
        weechat_buffer_close (relay_buffer);
+        relay_buffer = NULL;
+    }
+    relay_buffer_selected_line = 0;

    relay_client_free_all ();

@@ -287,7 +287,7 @@ weechat_ruby_print_exception (VALUE err)
        err_class = StringValuePtr (class_name);
    }

-    if (strcmp (err_class, "SyntaxError") == 0)
+    if (err_class && (strcmp (err_class, "SyntaxError") == 0))
    {
        tmp3 = rb_inspect (err);
        weechat_printf (NULL,
@@ -1003,7 +1003,7 @@ weechat_ruby_command_cb (const void *pointer, void *data,
            {
                /* load ruby script */
                path_script = plugin_script_search_path (weechat_ruby_plugin,
-                                                         ptr_name);
+                                                         ptr_name, 1);
                weechat_ruby_load ((path_script) ? path_script : ptr_name,
                                   NULL);
                if (path_script)
@@ -1336,6 +1336,11 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_ruby_plugin = plugin;

+    ruby_quiet = 0;
+    ruby_eval_mode = 0;
+    ruby_eval_send_input = 0;
+    ruby_eval_exec_commands = 0;
+
    /* set interpreter name and version */
    weechat_hashtable_set (plugin->variables, "interpreter_name",
                           plugin->name);
@@ -1439,12 +1444,22 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)

    /* free some data */
    if (ruby_action_install_list)
+    {
        free (ruby_action_install_list);
+        ruby_action_install_list = NULL;
+    }
    if (ruby_action_remove_list)
+    {
        free (ruby_action_remove_list);
+        ruby_action_remove_list = NULL;
+    }
    if (ruby_action_autoload_list)
+    {
        free (ruby_action_autoload_list);
+        ruby_action_autoload_list = NULL;
+    }
    weechat_string_dyn_free (ruby_buffer_output, 1);
+    ruby_buffer_output = NULL;

    return WEECHAT_RC_OK;
 }
@@ -1254,6 +1254,9 @@ script_action_run_all ()
                                    | WEECHAT_STRING_SPLIT_STRIP_RIGHT
                                    | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
                                    0, &num_actions);
+
+    script_action_clear ();
+
    if (actions)
    {
        for (i = 0; i < num_actions; i++)
@@ -1311,6 +1314,11 @@ script_action_run_all ()
                        script_buffer_open ();
                        script_buffer_refresh (1);
                    }
+                    if (script_buffer_detail_script)
+                    {
+                        /* back to list of scripts */
+                        script_buffer_show_detail_script (NULL);
+                    }
                    weechat_buffer_set (script_buffer, "display", "1");
                }
                else if (weechat_strcmp (argv[0], "list") == 0)
@@ -1511,8 +1519,6 @@ script_action_run_all ()
        weechat_string_free_split (actions);
    }

-    script_action_clear ();
-
    return 1;
 }

@@ -840,4 +840,5 @@ void
 script_config_free ()
 {
    weechat_config_free (script_config_file);
+    script_config_file = NULL;
 }
@@ -412,6 +412,27 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    /* make C compiler happy */
    (void) plugin;

+    if (script_loaded)
+    {
+        weechat_hashtable_free (script_loaded);
+        script_loaded = NULL;
+    }
+    if (script_timer_refresh)
+    {
+        weechat_unhook (script_timer_refresh);
+        script_timer_refresh = NULL;
+    }
+
+    if (script_buffer)
+    {
+        weechat_buffer_close (script_buffer);
+        script_buffer = NULL;
+    }
+    script_buffer_selected_line = 0;
+    script_buffer_detail_script = NULL;
+    script_buffer_detail_script_last_line = 0;
+    script_buffer_detail_script_line_diff = -1;
+
    script_mouse_end ();

    script_config_write ();
@@ -419,10 +440,16 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
    script_repo_remove_all ();

    if (script_repo_filter)
+    {
        free (script_repo_filter);
+        script_repo_filter = NULL;
+    }

    if (script_loaded)
+    {
        weechat_hashtable_free (script_loaded);
+        script_loaded = NULL;
+    }

    script_config_free ();

@@ -654,9 +654,16 @@ void
 spell_config_free ()
 {
    weechat_config_free (spell_config_file);
+    spell_config_file = NULL;

    if (spell_commands_to_check)
+    {
        weechat_string_free_split (spell_commands_to_check);
+        spell_commands_to_check = NULL;
+    }
    if (spell_length_commands_to_check)
+    {
        free (spell_length_commands_to_check);
+        spell_length_commands_to_check = NULL;
+    }
 }
@@ -501,5 +501,8 @@ void
 spell_speller_end ()
 {
    weechat_hashtable_free (spell_spellers);
+    spell_spellers = NULL;
+
    weechat_hashtable_free (spell_speller_buffer);
+    spell_speller_buffer = NULL;
 }
@@ -1188,6 +1188,8 @@ weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])

    weechat_plugin = plugin;

+    spell_enabled = 0;
+
    spell_warning_aspell_config ();

 #ifdef USE_ENCHANT
@@ -1260,10 +1262,15 @@ weechat_plugin_end (struct t_weechat_plugin *plugin)
 #ifdef USE_ENCHANT
    /* release enchant broker */
    enchant_broker_free (broker);
+    broker = NULL;
 #endif /* USE_ENCHANT */

    if (spell_nick_completer)
+    {
        free (spell_nick_completer);
+        spell_nick_completer = NULL;
+    }
+    spell_len_nick_completer = 0;

    return WEECHAT_RC_OK;
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Sébastien Helleu	4e6687759a	core, relay: fix include directory of libzstd	2024-05-26 23:57:21 +02:00
Sébastien Helleu	f968bb9c91	irc: fix crash in split of IRC message containing a newline if the server is not given	2024-05-25 19:55:18 +02:00
Sébastien Helleu	6b1d55203b	python: fix truncation of unsigned long long integer returned by function string_parse_size	2024-02-25 17:10:19 +01:00
Sébastien Helleu	65cdc2603a	tcl: fix truncation of long integer returned by function hdata_long	2024-02-25 16:14:54 +01:00
Sébastien Helleu	7640273c30	core: add missing mouse events "alt-ctrl-button2" and "alt-ctrl-button3"	2024-02-25 13:45:41 +01:00
Sébastien Helleu	e87d2b4717	script: always display list of scripts when searching scripts with `/script search` (issue #2077 )	2024-02-21 21:38:19 +01:00
Sébastien Helleu	b80c58fb39	trigger: fix memory leak when adding a new trigger with `/trigger` command	2024-02-10 17:56:54 +01:00
Faisal N Jawdat	b06e3ed68e	ruby: add detection of Ruby 3.3	2024-02-04 14:16:45 +01:00
Sébastien Helleu	c3c2609acd	ci: remove tests on macOS 11	2024-02-04 14:07:44 +01:00
Sébastien Helleu	6247e437c0	Version 4.0.9-dev	2024-02-04 14:07:27 +01:00
Sébastien Helleu	195af30e7d	Version 4.0.8	2024-01-20 09:06:33 +01:00
Sébastien Helleu	dd3032171a	core: add release notes for next version	2024-01-20 09:06:00 +01:00
Sébastien Helleu	2ced34f803	debian: update changelog	2024-01-20 08:58:48 +01:00
Sébastien Helleu	62fced3213	irc: check if arguments are not NULL in some infos Affected infos: - irc_server_isupport - irc_server_isupport_value - irc_server_cap - irc_server_cap_value	2024-01-12 18:00:33 +01:00
Sébastien Helleu	da256bbad7	irc: fix info "irc_is_message_ignored" (issue #2059 )	2024-01-12 17:59:58 +01:00
Sébastien Helleu	43bb20c4c3	irc: fix display of self messages in case of message split failure When the message sends inconsistent max lengths in message 005, the split of self message fails and causes a display issue: the channel name is displayed with the message: nick \| #channel :this is a test instead of: nick \| this is a test	2024-01-05 21:36:43 +01:00
Sébastien Helleu	86e1af7ab9	core: fix crash on plugin reload when using musl libc (issue #2052 )	2023-12-15 22:58:52 +01:00
Sébastien Helleu	ad66bba2f8	core: fix infinite loop in display when the chat area is too small (issue #2053 )	2023-12-14 23:17:47 +01:00
Sébastien Helleu	5ba6c7a0d2	Version 4.0.8-dev	2023-12-14 23:14:32 +01:00
Sébastien Helleu	f9c3d0ae0a	Version 4.0.7	2023-12-03 19:05:52 +01:00
Sébastien Helleu	83749f491c	irc: remove trailing "\r\n" in signals "irc_out" and "irc_outtags" when messages are queued	2023-11-26 18:56:33 +01:00
Sébastien Helleu	d79342dafd	tests: add tests on IRC message 337	2023-11-07 21:59:52 +01:00
Sébastien Helleu	999ba00ac6	irc: fix target buffer of IRC message 337 (whois reply: "is hiding their idle time")	2023-11-07 21:51:55 +01:00
Sébastien Helleu	df7a428454	core: fix value of buffer variable "num_history" when the value defined in option weechat.history.max_commands is reached	2023-11-04 17:02:23 +01:00
Sébastien Helleu	1d6eb273c6	relay: close properly connection with the IRC client in case of server disconnection (issue #2038 )	2023-11-04 09:07:24 +01:00
Sébastien Helleu	ae93fa1fef	core: remove incorrect warning when binding keys F10 to F20 (issue #2039 )	2023-11-04 08:38:37 +01:00
Sébastien Helleu	7fabd8068f	core, plugins: set error to NULL before calling strtol() This is not strictly necessary, just in case the function strtol() doesn't update the pointer.	2023-11-01 14:22:32 +01:00
Sébastien Helleu	a48dd9d481	core: fix memory leak when config version is invalid or not supported	2023-10-30 23:23:58 +01:00
Sébastien Helleu	2ee71c7699	core: check that buffer is not NULL in function gui_chat_printf_date_tags_internal	2023-10-30 23:23:58 +01:00
Sébastien Helleu	c7cf41c357	core: fix use NULL pointer when a config file has no options	2023-10-30 23:23:57 +01:00
Sébastien Helleu	7c21c6b993	logger: remove dead assignment	2023-10-30 23:23:57 +01:00
Sébastien Helleu	563654901c	core: fix crash when "config_version" is present in a configuration file without a value	2023-10-30 23:23:57 +01:00
Sébastien Helleu	517c04ae65	core: display an error on startup if environment variable "HOME" is not set	2023-10-30 23:23:57 +01:00
Sébastien Helleu	a317d0823a	tests: check that environment variable "HOME" is set before using it	2023-10-30 23:07:41 +01:00
Sébastien Helleu	a399d3f68c	ruby: fix use of NULL variable when displaying exception	2023-10-30 23:07:20 +01:00
Sébastien Helleu	b0e4e20205	Version 4.0.7-dev	2023-10-30 23:05:02 +01:00
Sébastien Helleu	5df21f38f3	ci: uninstall php8.1-imagick before build (issue #2009 ) When php imagick is installed and when WeeChat is compiled with gcc, there's a crash when the php plugin is loaded. Newer versions of gcc should fix the issue, but as in CI we can't easily use them, uninstalling imagick avoids the crash.	2023-10-28 09:20:08 +02:00
Sébastien Helleu	90e7857e62	Version 4.0.6	2023-10-26 21:01:46 +02:00
Sébastien Helleu	480d603eb5	core: fix crash when a custom bar item name is already used by a default bar item (issue #2034 )	2023-10-23 13:11:02 +02:00
Sébastien Helleu	3184bb92e6	core: make libintl.h required if CMake option ENABLE_NLS is enabled (issue #2031 )	2023-10-15 14:58:26 +02:00
Sébastien Helleu	753a2adffc	irc: move value `-all` at the end of completions for command `/ignore del`	2023-10-09 20:07:39 +02:00
Sébastien Helleu	020c8145b6	irc: fix memory leak when joining channels with keys	2023-10-07 20:34:41 +02:00
Sébastien Helleu	a33f0d2132	core: fix build error if CMake option ENABLE_NLS is turned to off or if required dependencies are not found (issue #2026 )	2023-10-05 19:05:02 +02:00
Sébastien Helleu	7a3ae654be	core: use larger buffer for errors when creating a filter	2023-10-05 19:02:38 +02:00
LuK1337	64403cefc1	core: fix TOTP moving factor on big-endian systems	2023-09-25 13:52:00 +02:00
LuK1337	9621c4381b	tests: use correct data type method in hdata tests	2023-09-25 13:51:05 +02:00
LuK1337	0ff08971aa	tests: cast infolist time variable value to the correct data type	2023-09-25 13:50:58 +02:00
Sébastien Helleu	19bb049325	Version 4.0.6-dev	2023-09-24 09:34:52 +02:00
Sébastien Helleu	e33da6292d	Version 4.0.5	2023-09-24 09:30:58 +02:00
Sébastien Helleu	be6b27c8f9	core: fix style in ChangeLog	2023-09-24 09:12:21 +02:00
Sébastien Helleu	2d9b133c77	script: only check if return value of plugin_script_search_path is NULL (issue #2019 )	2023-09-22 22:59:21 +02:00
Sébastien Helleu	6c36836182	script: fix removal of script in system directory while trying to install a script (issue #2019 )	2023-09-22 22:53:29 +02:00
Sébastien Helleu	15214f9538	script: fix autoload of multiple scripts at once with `/script autoload` (issue #2018 )	2023-09-20 20:07:01 +02:00
Sébastien Helleu	7f13bdb51a	irc: add option irc.look.open_pv_buffer_echo_msg (issue #2016 )	2023-09-14 20:22:43 +02:00
Sébastien Helleu	49bbc53d7c	irc: update title in query buffer when remote nick is myself (issue #2016 )	2023-09-14 16:16:39 +02:00
Sébastien Helleu	eb17fa24ee	irc: fix title of query buffer for own messages received (issue #2016 )	2023-09-14 15:30:10 +02:00
Sébastien Helleu	c7d03668f1	irc: open a query buffer on PRIVMSG received from self nick when capability echo-message is NOT enabled (issue #2016 )	2023-09-14 14:54:21 +02:00
Sébastien Helleu	8575546aa2	irc: don't open a new private buffer on `/msg` command when capability echo-message is enabled (issue #2016 )	2023-09-14 11:21:25 +02:00
Sébastien Helleu	2c716e8154	core: move ChangeLog entry to the appropriate version	2023-09-14 11:12:16 +02:00
Sébastien Helleu	49b1cb06b5	irc: fix title of private buffers wrongly set to own address when capability echo-message is enabled (issue #2016 )	2023-09-14 08:09:34 +02:00
Sébastien Helleu	75a0755107	core: translate error messages (issue #2013 )	2023-09-12 15:12:15 +02:00
Sébastien Helleu	79b03d0680	core: automatically backup config file read if it has an unsupported version (issue #2013 )	2023-09-12 15:03:18 +02:00
Sébastien Helleu	f43ed913f5	xfer: fix memory leak on plugin unload	2023-09-12 15:03:18 +02:00
Sébastien Helleu	1fcbdb3bd9	doc/api: fix return values for callback_read in config_new_section	2023-09-12 15:03:18 +02:00
Sébastien Helleu	1aab82f20b	core: add path in message displayed when a config file is updated to a newer version	2023-09-11 22:50:11 +02:00
Sébastien Helleu	58141bde79	irc: fix autojoin of channels when private buffers are opened (issue #2012 )	2023-09-11 21:43:35 +02:00
Sébastien Helleu	7f6e626122	core: display a message when a configuration file is updated to a newer version	2023-09-11 09:33:39 +02:00
Sébastien Helleu	15860532f3	core: fix style for keys in ChangeLog	2023-08-29 12:32:59 +02:00
Sébastien Helleu	8b7513e883	script: fix crash when a `/script` command triggers another `/script` command (issue #923 )	2023-08-27 17:22:09 +02:00
Sébastien Helleu	2566fca78c	irc: use str_nicks only if not NULL in callback of message 353	2023-08-27 17:20:32 +02:00
Trygve Aaberge	a82bfa0e7e	Add compatibility with Python < 3.10 in weechat.pyi The \| syntax for unions is only supported in Python 3.10 and later. Since Python 3.8 and 3.9 are still supported upstream for a while and we had a user reporting on IRC that they couldn't use the stub file since they are using 3.8, change to the old syntax for unions to support this. There aren't really any drawbacks of this. It's just a bit more verbose, and a typing import is necessary, but neither of those really matters in a generated stub file.	2023-08-24 19:12:53 +02:00
Sébastien Helleu	48d33521dc	irc: add tests on server functions	2023-08-24 09:23:30 +02:00
Sébastien Helleu	e3f6dab366	irc: fix string comparison when CASEMAPPING is set to "ascii"	2023-08-24 09:23:30 +02:00
Sébastien Helleu	1a05f89586	irc: check that server is not NULL in function irc_server_eval_fingerprint	2023-08-24 09:23:30 +02:00
Sébastien Helleu	c811072bdf	Version 4.0.5-dev	2023-08-22 11:48:41 +02:00