Fixed bug with strings comparison (str[n]casecmp) and some locales (like turkish), now using ASCII comparison

6 files changed, 213 insertions, 139 deletions

diff --git a/src/common/command.c b/src/common/command.c
index 0835cf192..073ed2a82 100644
--- a/src/common/command.c
+++ b/src/common/command.c
@@ -191,7 +191,7 @@ alias_search (char *alias_name)
     
     for (ptr_alias = weechat_alias; ptr_alias; ptr_alias = ptr_alias->next_alias)
     {
-        if (strcasecmp (alias_name, ptr_alias->alias_name) == 0)
+        if (ascii_strcasecmp (alias_name, ptr_alias->alias_name) == 0)
             return ptr_alias;
     }
     return NULL;
@@ -208,7 +208,7 @@ alias_find_pos (char *alias_name)
     
     for (ptr_alias = weechat_alias; ptr_alias; ptr_alias = ptr_alias->next_alias)
     {
-        if (strcasecmp (alias_name, ptr_alias->alias_name) < 0)
+        if (ascii_strcasecmp (alias_name, ptr_alias->alias_name) < 0)
             return ptr_alias;
     }
     return NULL;
@@ -484,7 +484,7 @@ exec_weechat_command (t_irc_server *server, char *string)
         
         for (i = 0; weechat_commands[i].command_name; i++)
         {
-            if (strcasecmp (weechat_commands[i].command_name, command + 1) == 0)
+            if (ascii_strcasecmp (weechat_commands[i].command_name, command + 1) == 0)
             {
                 if ((argc < weechat_commands[i].min_arg)
                     || (argc > weechat_commands[i].max_arg))
@@ -544,7 +544,7 @@ exec_weechat_command (t_irc_server *server, char *string)
         }
         for (i = 0; irc_commands[i].command_name; i++)
         {
-            if ((strcasecmp (irc_commands[i].command_name, command + 1) == 0) &&
+            if ((ascii_strcasecmp (irc_commands[i].command_name, command + 1) == 0) &&
                 ((irc_commands[i].cmd_function_args) ||
                 (irc_commands[i].cmd_function_1arg)))
             {
@@ -615,7 +615,7 @@ exec_weechat_command (t_irc_server *server, char *string)
         for (ptr_alias = weechat_alias; ptr_alias;
              ptr_alias = ptr_alias->next_alias)
         {
-            if (strcasecmp (ptr_alias->alias_name, command + 1) == 0)
+            if (ascii_strcasecmp (ptr_alias->alias_name, command + 1) == 0)
             {
                 if (ptr_args)
                 {
@@ -890,7 +890,7 @@ weechat_cmd_buffer (int argc, char **argv)
     char *error;
     int target_buffer;
     
-    if ((argc == 0) || ((argc == 1) && (strcasecmp (argv[0], "list") == 0)))
+    if ((argc == 0) || ((argc == 1) && (ascii_strcasecmp (argv[0], "list") == 0)))
     {
         /* list opened buffers */
         
@@ -908,7 +908,7 @@ weechat_cmd_buffer (int argc, char **argv)
     }
     else
     {
-        if (strcasecmp (argv[0], "move") == 0)
+        if (ascii_strcasecmp (argv[0], "move") == 0)
         {
             /* move buffer to another number in the list */
             
@@ -943,7 +943,7 @@ weechat_cmd_buffer (int argc, char **argv)
                 return -1;
             }
         }
-        else if (strcasecmp (argv[0], "close") == 0)
+        else if (ascii_strcasecmp (argv[0], "close") == 0)
         {
             /* close buffer (server or channel/private) */
             
@@ -995,7 +995,7 @@ weechat_cmd_buffer (int argc, char **argv)
             }
             gui_draw_buffer_status (gui_current_window->buffer, 1);
         }
-        else if (strcasecmp (argv[0], "notify") == 0)
+        else if (ascii_strcasecmp (argv[0], "notify") == 0)
         {
             /* set notify level for buffer */
             
@@ -1114,7 +1114,7 @@ weechat_cmd_clear (int argc, char **argv)
 {
     if (argc == 1)
     {
-        if (strcasecmp (argv[0], "-all") == 0)
+        if (ascii_strcasecmp (argv[0], "-all") == 0)
             gui_buffer_clear_all ();
         else
         {
@@ -1198,7 +1198,7 @@ weechat_cmd_debug (int argc, char **argv)
         return -1;
     }
     
-    if (strcasecmp (argv[0], "dump") == 0)
+    if (ascii_strcasecmp (argv[0], "dump") == 0)
     {
         wee_dump (0);
     }
@@ -1294,7 +1294,7 @@ weechat_cmd_help (int argc, char **argv)
     {
         for (i = 0; weechat_commands[i].command_name; i++)
         {
-            if (strcasecmp (weechat_commands[i].command_name, argv[0]) == 0)
+            if (ascii_strcasecmp (weechat_commands[i].command_name, argv[0]) == 0)
             {
                 gui_printf (NULL, "\n");
                 gui_printf (NULL, "[w]");
@@ -1319,7 +1319,7 @@ weechat_cmd_help (int argc, char **argv)
         }
         for (i = 0; irc_commands[i].command_name; i++)
         {
-            if ((strcasecmp (irc_commands[i].command_name, argv[0]) == 0)
+            if ((ascii_strcasecmp (irc_commands[i].command_name, argv[0]) == 0)
                 && (irc_commands[i].cmd_function_args || irc_commands[i].cmd_function_1arg))
             {
                 gui_printf (NULL, "\n");
@@ -1402,7 +1402,7 @@ weechat_cmd_key (char *arguments)
             weechat_cmd_key_display (ptr_key, 0);
         }
     }
-    else if (strncasecmp (arguments, "unbind ", 7) == 0)
+    else if (ascii_strncasecmp (arguments, "unbind ", 7) == 0)
     {
         arguments += 7;
         while (arguments[0] == ' ')
@@ -1418,7 +1418,7 @@ weechat_cmd_key (char *arguments)
             return -1;
         }
     }
-    else if (strcasecmp (arguments, "functions") == 0)
+    else if (ascii_strcasecmp (arguments, "functions") == 0)
     {
         gui_printf (NULL, "\n");
         gui_printf (NULL, _("Internal key functions:\n"));
@@ -1431,12 +1431,12 @@ weechat_cmd_key (char *arguments)
             i++;
         }
     }
-    else if (strncasecmp (arguments, "reset", 5) == 0)
+    else if (ascii_strncasecmp (arguments, "reset", 5) == 0)
     {
         arguments += 5;
         while (arguments[0] == ' ')
             arguments++;
-        if (strcasecmp (arguments, "-yes") == 0)
+        if (ascii_strcasecmp (arguments, "-yes") == 0)
         {
             gui_key_free_all ();
             gui_key_init ();
@@ -1570,18 +1570,18 @@ weechat_cmd_perl (int argc, char **argv)
             
             break;
         case 1:
-            if (strcasecmp (argv[0], "autoload") == 0)
+            if (ascii_strcasecmp (argv[0], "autoload") == 0)
                 plugin_auto_load (PLUGIN_TYPE_PERL, "perl/autoload");
-            else if (strcasecmp (argv[0], "reload") == 0)
+            else if (ascii_strcasecmp (argv[0], "reload") == 0)
             {
                 plugin_unload (PLUGIN_TYPE_PERL, NULL);
                 plugin_auto_load (PLUGIN_TYPE_PERL, "perl/autoload");
             }
-            else if (strcasecmp (argv[0], "unload") == 0)
+            else if (ascii_strcasecmp (argv[0], "unload") == 0)
                 plugin_unload (PLUGIN_TYPE_PERL, NULL);
             break;
         case 2:
-            if (strcasecmp (argv[0], "load") == 0)
+            if (ascii_strcasecmp (argv[0], "load") == 0)
             {
                 /* load Perl script */
                 if (strstr(argv[1], DIR_SEPARATOR))
@@ -1713,18 +1713,18 @@ weechat_cmd_python (int argc, char **argv)
             
             break;
         case 1:
-            if (strcasecmp (argv[0], "autoload") == 0)
+            if (ascii_strcasecmp (argv[0], "autoload") == 0)
                 plugin_auto_load (PLUGIN_TYPE_PYTHON, "python/autoload");
-            else if (strcasecmp (argv[0], "reload") == 0)
+            else if (ascii_strcasecmp (argv[0], "reload") == 0)
             {
                 plugin_unload (PLUGIN_TYPE_PYTHON, NULL);
                 plugin_auto_load (PLUGIN_TYPE_PYTHON, "python/autoload");
             }
-            else if (strcasecmp (argv[0], "unload") == 0)
+            else if (ascii_strcasecmp (argv[0], "unload") == 0)
                 plugin_unload (PLUGIN_TYPE_PYTHON, NULL);
             break;
         case 2:
-            if (strcasecmp (argv[0], "load") == 0)
+            if (ascii_strcasecmp (argv[0], "load") == 0)
             {
                 /* load Python script */
                 if (strstr(argv[1], DIR_SEPARATOR))
@@ -1856,18 +1856,18 @@ weechat_cmd_ruby (int argc, char **argv)
             
             break;
         case 1:
-            if (strcasecmp (argv[0], "autoload") == 0)
+            if (ascii_strcasecmp (argv[0], "autoload") == 0)
                 plugin_auto_load (PLUGIN_TYPE_RUBY, "ruby/autoload");
-            else if (strcasecmp (argv[0], "reload") == 0)
+            else if (ascii_strcasecmp (argv[0], "reload") == 0)
             {
                 plugin_unload (PLUGIN_TYPE_RUBY, NULL);
                 plugin_auto_load (PLUGIN_TYPE_RUBY, "ruby/autoload");
             }
-            else if (strcasecmp (argv[0], "unload") == 0)
+            else if (ascii_strcasecmp (argv[0], "unload") == 0)
                 plugin_unload (PLUGIN_TYPE_RUBY, NULL);
             break;
         case 2:
-            if (strcasecmp (argv[0], "load") == 0)
+            if (ascii_strcasecmp (argv[0], "load") == 0)
             {
                 /* load Ruby script */
                 if (strstr(argv[1], DIR_SEPARATOR))
@@ -1967,7 +1967,7 @@ weechat_cmd_server (int argc, char **argv)
     }
     else
     {
-        if (strcasecmp (argv[0], "del") == 0)
+        if (ascii_strcasecmp (argv[0], "del") == 0)
         {
             if (argc < 2)
             {
@@ -2067,15 +2067,15 @@ weechat_cmd_server (int argc, char **argv)
         {
             if (argv[i][0] == '-')
             {
-                if (strcasecmp (argv[i], "-auto") == 0)
+                if (ascii_strcasecmp (argv[i], "-auto") == 0)
                     server.autoconnect = 1;
-                if (strcasecmp (argv[i], "-noauto") == 0)
+                if (ascii_strcasecmp (argv[i], "-noauto") == 0)
                     server.autoconnect = 0;
-                if (strcasecmp (argv[i], "-ipv6") == 0)
+                if (ascii_strcasecmp (argv[i], "-ipv6") == 0)
                     server.ipv6 = 1;
-                if (strcasecmp (argv[i], "-ssl") == 0)
+                if (ascii_strcasecmp (argv[i], "-ssl") == 0)
                     server.ssl = 1;
-                if (strcasecmp (argv[i], "-pwd") == 0)
+                if (ascii_strcasecmp (argv[i], "-pwd") == 0)
                 {
                     if (i == (argc - 1))
                     {
@@ -2088,7 +2088,7 @@ weechat_cmd_server (int argc, char **argv)
                     }
                     server.password = strdup (argv[++i]);
                 }
-                if (strcasecmp (argv[i], "-nicks") == 0)
+                if (ascii_strcasecmp (argv[i], "-nicks") == 0)
                 {
                     if (i >= (argc - 3))
                     {
@@ -2103,7 +2103,7 @@ weechat_cmd_server (int argc, char **argv)
                     server.nick2 = strdup (argv[++i]);
                     server.nick3 = strdup (argv[++i]);
                 }
-                if (strcasecmp (argv[i], "-username") == 0)
+                if (ascii_strcasecmp (argv[i], "-username") == 0)
                 {
                     if (i == (argc - 1))
                     {
@@ -2116,7 +2116,7 @@ weechat_cmd_server (int argc, char **argv)
                     }
                     server.username = strdup (argv[++i]);
                 }
-                if (strcasecmp (argv[i], "-realname") == 0)
+                if (ascii_strcasecmp (argv[i], "-realname") == 0)
                 {
                     if (i == (argc - 1))
                     {
@@ -2129,7 +2129,7 @@ weechat_cmd_server (int argc, char **argv)
                     }
                     server.realname = strdup (argv[++i]);
                 }
-                if (strcasecmp (argv[i], "-command") == 0)
+                if (ascii_strcasecmp (argv[i], "-command") == 0)
                 {
                     if (i == (argc - 1))
                     {
@@ -2142,7 +2142,7 @@ weechat_cmd_server (int argc, char **argv)
                     }
                     server.command = strdup (argv[++i]);
                 }
-                if (strcasecmp (argv[i], "-autojoin") == 0)
+                if (ascii_strcasecmp (argv[i], "-autojoin") == 0)
                 {
                     if (i == (argc - 1))
                     {
@@ -2529,7 +2529,7 @@ weechat_cmd_window (int argc, char **argv)
     t_gui_window *ptr_win;
     int i;
     
-    if ((argc == 0) || ((argc == 1) && (strcasecmp (argv[0], "list") == 0)))
+    if ((argc == 0) || ((argc == 1) && (ascii_strcasecmp (argv[0], "list") == 0)))
     {
         /* list opened windows */
         
@@ -2558,29 +2558,29 @@ weechat_cmd_window (int argc, char **argv)
     }
     else
     {
-        if (strcasecmp (argv[0], "splith") == 0)
+        if (ascii_strcasecmp (argv[0], "splith") == 0)
         {
             /* split window horizontally */
             gui_window_split_horiz (gui_current_window);
         }
-        else if (strcasecmp (argv[0], "splitv") == 0)
+        else if (ascii_strcasecmp (argv[0], "splitv") == 0)
         {
             /* split window vertically */
             gui_window_split_vertic (gui_current_window);
         }
-        else if (strcasecmp (argv[0], "merge") == 0)
+        else if (ascii_strcasecmp (argv[0], "merge") == 0)
         {
             if (argc >= 2)
             {
-                if (strcasecmp (argv[1], "down") == 0)
+                if (ascii_strcasecmp (argv[1], "down") == 0)
                     gui_window_merge_down (gui_current_window);
-                else if (strcasecmp (argv[1], "up") == 0)
+                else if (ascii_strcasecmp (argv[1], "up") == 0)
                     gui_window_merge_up (gui_current_window);
-                else if (strcasecmp (argv[1], "left") == 0)
+                else if (ascii_strcasecmp (argv[1], "left") == 0)
                     gui_window_merge_left (gui_current_window);
-                else if (strcasecmp (argv[1], "right") == 0)
+                else if (ascii_strcasecmp (argv[1], "right") == 0)
                     gui_window_merge_right (gui_current_window);
-                else if (strcasecmp (argv[1], "all") == 0)
+                else if (ascii_strcasecmp (argv[1], "all") == 0)
                     gui_window_merge_all (gui_current_window);
                 else
                 {
@@ -2594,9 +2594,9 @@ weechat_cmd_window (int argc, char **argv)
             else
                 gui_window_merge_auto (gui_current_window);
         }
-        else if (strcasecmp (argv[0], "-1") == 0)
+        else if (ascii_strcasecmp (argv[0], "-1") == 0)
             gui_switch_to_previous_window ();
-        else if (strcasecmp (argv[0], "+1") == 0)
+        else if (ascii_strcasecmp (argv[0], "+1") == 0)
             gui_switch_to_next_window ();
         else
         {
diff --git a/src/common/completion.c b/src/common/completion.c
index decfad2c8..41be8e894 100644
--- a/src/common/completion.c
+++ b/src/common/completion.c
@@ -111,13 +111,13 @@ completion_build_list (t_completion *completion, void *channel)
     /* WeeChat internal commands */
     
     /* no completion for some commands */
-    if ((strcasecmp (completion->base_command, "server") == 0)
-        || (strcasecmp (completion->base_command, "save") == 0))
+    if ((ascii_strcasecmp (completion->base_command, "server") == 0)
+        || (ascii_strcasecmp (completion->base_command, "save") == 0))
     {
         completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "alias") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "alias") == 0)
         && (completion->base_command_arg == 1))
     {
         for (ptr_list = index_commands; ptr_list; ptr_list = ptr_list->next_weelist)
@@ -128,7 +128,7 @@ completion_build_list (t_completion *completion, void *channel)
         }
         return;
     }
-    if ((strcasecmp (completion->base_command, "buffer") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "buffer") == 0)
         && (completion->base_command_arg == 1))
     {
         weelist_add (&completion->completion_list,
@@ -145,7 +145,7 @@ completion_build_list (t_completion *completion, void *channel)
                      "notify");
         return;
     }
-    if ((strcasecmp (completion->base_command, "clear") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "clear") == 0)
         && (completion->base_command_arg == 1))
     {
         weelist_add (&completion->completion_list,
@@ -153,8 +153,8 @@ completion_build_list (t_completion *completion, void *channel)
                      "-all");
         return;
     }
-    if ((strcasecmp (completion->base_command, "connect") == 0)
-        || (strcasecmp (completion->base_command, "disconnect") == 0))
+    if ((ascii_strcasecmp (completion->base_command, "connect") == 0)
+        || (ascii_strcasecmp (completion->base_command, "disconnect") == 0))
     {
         if (completion->base_command_arg == 1)
         {
@@ -173,7 +173,7 @@ completion_build_list (t_completion *completion, void *channel)
             return;
         }
     }
-    if (strcasecmp (completion->base_command, "debug") == 0)
+    if (ascii_strcasecmp (completion->base_command, "debug") == 0)
     {
         if (completion->base_command_arg == 1)
             weelist_add (&completion->completion_list,
@@ -183,7 +183,7 @@ completion_build_list (t_completion *completion, void *channel)
             completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "help") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "help") == 0)
         && (completion->base_command_arg == 1))
     {
         for (i = 0; weechat_commands[i].command_name; i++)
@@ -201,7 +201,7 @@ completion_build_list (t_completion *completion, void *channel)
         }
         return;
     }
-    if (strcasecmp (completion->base_command, "key") == 0)
+    if (ascii_strcasecmp (completion->base_command, "key") == 0)
     {
         if (completion->base_command_arg == 1)
         {
@@ -229,8 +229,8 @@ completion_build_list (t_completion *completion, void *channel)
             return;
         }
     }
-    if (((strcasecmp (completion->base_command, "perl") == 0)
-        || (strcasecmp (completion->base_command, "python") == 0))
+    if (((ascii_strcasecmp (completion->base_command, "perl") == 0)
+        || (ascii_strcasecmp (completion->base_command, "python") == 0))
         && (completion->base_command_arg == 1))
     {
         weelist_add (&completion->completion_list,
@@ -247,7 +247,7 @@ completion_build_list (t_completion *completion, void *channel)
                      "unload");
         return;
     }
-    if (strcasecmp (completion->base_command, "set") == 0)
+    if (ascii_strcasecmp (completion->base_command, "set") == 0)
     {
         if (completion->base_command_arg == 1)
         {
@@ -340,7 +340,7 @@ completion_build_list (t_completion *completion, void *channel)
             completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "unalias") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "unalias") == 0)
         && (completion->base_command_arg == 1))
     {
         for (ptr_alias = weechat_alias; ptr_alias; ptr_alias = ptr_alias->next_alias)
@@ -351,7 +351,7 @@ completion_build_list (t_completion *completion, void *channel)
         }
         return;
     }
-    if (strcasecmp (completion->base_command, "window") == 0)
+    if (ascii_strcasecmp (completion->base_command, "window") == 0)
     {
         if (completion->base_command_arg == 1)
         {
@@ -397,33 +397,33 @@ completion_build_list (t_completion *completion, void *channel)
     /* IRC commands */
     
     /* no completion for some commands */
-    if ((strcasecmp (completion->base_command, "admin") == 0)
-        || (strcasecmp (completion->base_command, "die") == 0)
-        || (strcasecmp (completion->base_command, "info") == 0)
-        || (strcasecmp (completion->base_command, "join") == 0)
-        || (strcasecmp (completion->base_command, "links") == 0)
-        || (strcasecmp (completion->base_command, "list") == 0)
-        || (strcasecmp (completion->base_command, "lusers") == 0)
-        || (strcasecmp (completion->base_command, "motd") == 0)
-        || (strcasecmp (completion->base_command, "oper") == 0)
-        || (strcasecmp (completion->base_command, "rehash") == 0)
-        || (strcasecmp (completion->base_command, "restart") == 0)
-        || (strcasecmp (completion->base_command, "service") == 0)
-        || (strcasecmp (completion->base_command, "servlist") == 0)
-        || (strcasecmp (completion->base_command, "squery") == 0)
-        || (strcasecmp (completion->base_command, "squit") == 0)
-        || (strcasecmp (completion->base_command, "stats") == 0)
-        || (strcasecmp (completion->base_command, "summon") == 0)
-        || (strcasecmp (completion->base_command, "time") == 0)
-        || (strcasecmp (completion->base_command, "trace") == 0)
-        || (strcasecmp (completion->base_command, "users") == 0)
-        || (strcasecmp (completion->base_command, "wallops") == 0)
-        || (strcasecmp (completion->base_command, "who") == 0))
+    if ((ascii_strcasecmp (completion->base_command, "admin") == 0)
+        || (ascii_strcasecmp (completion->base_command, "die") == 0)
+        || (ascii_strcasecmp (completion->base_command, "info") == 0)
+        || (ascii_strcasecmp (completion->base_command, "join") == 0)
+        || (ascii_strcasecmp (completion->base_command, "links") == 0)
+        || (ascii_strcasecmp (completion->base_command, "list") == 0)
+        || (ascii_strcasecmp (completion->base_command, "lusers") == 0)
+        || (ascii_strcasecmp (completion->base_command, "motd") == 0)
+        || (ascii_strcasecmp (completion->base_command, "oper") == 0)
+        || (ascii_strcasecmp (completion->base_command, "rehash") == 0)
+        || (ascii_strcasecmp (completion->base_command, "restart") == 0)
+        || (ascii_strcasecmp (completion->base_command, "service") == 0)
+        || (ascii_strcasecmp (completion->base_command, "servlist") == 0)
+        || (ascii_strcasecmp (completion->base_command, "squery") == 0)
+        || (ascii_strcasecmp (completion->base_command, "squit") == 0)
+        || (ascii_strcasecmp (completion->base_command, "stats") == 0)
+        || (ascii_strcasecmp (completion->base_command, "summon") == 0)
+        || (ascii_strcasecmp (completion->base_command, "time") == 0)
+        || (ascii_strcasecmp (completion->base_command, "trace") == 0)
+        || (ascii_strcasecmp (completion->base_command, "users") == 0)
+        || (ascii_strcasecmp (completion->base_command, "wallops") == 0)
+        || (ascii_strcasecmp (completion->base_command, "who") == 0))
     {
         completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "away") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "away") == 0)
         && (completion->base_command_arg == 1))
     {
         if (cfg_irc_default_msg_away && cfg_irc_default_msg_away[0])
@@ -432,7 +432,7 @@ completion_build_list (t_completion *completion, void *channel)
                          cfg_irc_default_msg_away);
         return;
     }
-    if ((strcasecmp (completion->base_command, "ctcp") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "ctcp") == 0)
         && (completion->base_command_arg == 2))
     {
         weelist_add (&completion->completion_list,
@@ -446,7 +446,7 @@ completion_build_list (t_completion *completion, void *channel)
                      "version");
         return;
     }
-    if ((strcasecmp (completion->base_command, "dcc") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "dcc") == 0)
         && (completion->base_command_arg == 1))
     {
         weelist_add (&completion->completion_list,
@@ -460,7 +460,7 @@ completion_build_list (t_completion *completion, void *channel)
                      "close");
         return;
     }
-    if (strcasecmp (completion->base_command, "invite") == 0)
+    if (ascii_strcasecmp (completion->base_command, "invite") == 0)
     {
         /* arg1: nickname */
         if (completion->base_command_arg == 1)
@@ -486,30 +486,30 @@ completion_build_list (t_completion *completion, void *channel)
         }
         return;
     }
-    if (strcasecmp (completion->base_command, "kick") == 0)
+    if (ascii_strcasecmp (completion->base_command, "kick") == 0)
     {
         if (completion->base_command_arg != 1)
             completion_stop (completion);
         return;
     }
-    if (strcasecmp (completion->base_command, "kill") == 0)
+    if (ascii_strcasecmp (completion->base_command, "kill") == 0)
     {
         if (completion->base_command_arg != 1)
             completion_stop (completion);
         return;
     }
-    if (strcasecmp (completion->base_command, "me") == 0)
+    if (ascii_strcasecmp (completion->base_command, "me") == 0)
     {
         completion->context = COMPLETION_NICK;
         return;
     }
-    if (strcasecmp (completion->base_command, "notice") == 0)
+    if (ascii_strcasecmp (completion->base_command, "notice") == 0)
     {
         if (completion->base_command_arg != 1)
             completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "part") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "part") == 0)
         && (completion->base_command_arg == 1))
     {
         if (cfg_irc_default_msg_part && cfg_irc_default_msg_part[0])
@@ -518,13 +518,13 @@ completion_build_list (t_completion *completion, void *channel)
                          cfg_irc_default_msg_part);
         return;
     }
-    if (strcasecmp (completion->base_command, "query") == 0)
+    if (ascii_strcasecmp (completion->base_command, "query") == 0)
     {
         if (completion->base_command_arg != 1)
             completion_stop (completion);
         return;
     }
-    if ((strcasecmp (completion->base_command, "quit") == 0)
+    if ((ascii_strcasecmp (completion->base_command, "quit") == 0)
         && (completion->base_command_arg == 1))
     {
         if (cfg_irc_default_msg_quit && cfg_irc_default_msg_quit[0])
@@ -533,7 +533,7 @@ completion_build_list (t_completion *completion, void *channel)
                          cfg_irc_default_msg_quit);
         return;
     }
-    if (strcasecmp (completion->base_command, "topic") == 0)
+    if (ascii_strcasecmp (completion->base_command, "topic") == 0)
     {
         if (completion->base_command_arg == 1)
         {
@@ -717,7 +717,7 @@ completion_command (t_completion *completion)
     other_completion = 0;
     for (ptr_weelist = index_commands; ptr_weelist; ptr_weelist = ptr_weelist->next_weelist)
     {
-        if (strncasecmp (ptr_weelist->data, completion->base_word + 1, length) == 0)
+        if (ascii_strncasecmp (ptr_weelist->data, completion->base_word + 1, length) == 0)
         {
             if ((!completion->word_found) || word_found_seen)
             {
@@ -725,7 +725,7 @@ completion_command (t_completion *completion)
                 for (ptr_weelist2 = ptr_weelist->next_weelist; ptr_weelist2;
                      ptr_weelist2 = ptr_weelist2->next_weelist)
                 {
-                    if (strncasecmp (ptr_weelist2->data,
+                    if (ascii_strncasecmp (ptr_weelist2->data,
                         completion->base_word + 1, length) == 0)
                         other_completion++;
                 }
@@ -739,7 +739,7 @@ completion_command (t_completion *completion)
             other_completion++;
         }
         if (completion->word_found &&
-            (strcasecmp (ptr_weelist->data, completion->word_found) == 0))
+            (ascii_strcasecmp (ptr_weelist->data, completion->word_found) == 0))
             word_found_seen = 1;
     }
     if (completion->word_found)
@@ -765,7 +765,7 @@ completion_command_arg (t_completion *completion, t_irc_channel *channel)
     for (ptr_weelist = completion->completion_list; ptr_weelist;
          ptr_weelist = ptr_weelist->next_weelist)
     {
-        if (strncasecmp (ptr_weelist->data, completion->base_word, length) == 0)
+        if (ascii_strncasecmp (ptr_weelist->data, completion->base_word, length) == 0)
         {
             if ((!completion->word_found) || word_found_seen)
             {
@@ -773,7 +773,7 @@ completion_command_arg (t_completion *completion, t_irc_channel *channel)
                 for (ptr_weelist2 = ptr_weelist->next_weelist; ptr_weelist2;
                      ptr_weelist2 = ptr_weelist2->next_weelist)
                 {
-                    if (strncasecmp (ptr_weelist2->data,
+                    if (ascii_strncasecmp (ptr_weelist2->data,
                         completion->base_word, length) == 0)
                         other_completion++;
                 }
@@ -787,7 +787,7 @@ completion_command_arg (t_completion *completion, t_irc_channel *channel)
             other_completion++;
         }
         if (completion->word_found &&
-            (strcasecmp (ptr_weelist->data, completion->word_found) == 0))
+            (ascii_strcasecmp (ptr_weelist->data, completion->word_found) == 0))
             word_found_seen = 1;
     }
     if (completion->word_found)
@@ -821,7 +821,7 @@ completion_nick (t_completion *completion, t_irc_channel *channel)
     other_completion = 0;
     for (ptr_nick = channel->nicks; ptr_nick; ptr_nick = ptr_nick->next_nick)
     {
-        if (strncasecmp (ptr_nick->nick, completion->base_word, length) == 0)
+        if (ascii_strncasecmp (ptr_nick->nick, completion->base_word, length) == 0)
         {
             if ((!completion->word_found) || word_found_seen)
             {
@@ -829,7 +829,7 @@ completion_nick (t_completion *completion, t_irc_channel *channel)
                 for (ptr_nick2 = ptr_nick->next_nick; ptr_nick2;
                      ptr_nick2 = ptr_nick2->next_nick)
                 {
-                    if (strncasecmp (ptr_nick2->nick,
+                    if (ascii_strncasecmp (ptr_nick2->nick,
                         completion->base_word, length) == 0)
                         other_completion++;
                 }
@@ -843,7 +843,7 @@ completion_nick (t_completion *completion, t_irc_channel *channel)
             other_completion++;
         }
         if (completion->word_found &&
-            (strcasecmp (ptr_nick->nick, completion->word_found) == 0))
+            (ascii_strcasecmp (ptr_nick->nick, completion->word_found) == 0))
             word_found_seen = 1;
     }
     if (completion->word_found)
diff --git a/src/common/weechat.c b/src/common/weechat.c
index b8692da57..f0ed84597 100644
--- a/src/common/weechat.c
+++ b/src/common/weechat.c
@@ -84,6 +84,78 @@ gnutls_certificate_credentials gnutls_xcred;   /* gnutls client credentials */
 
 
 /*
+ * ascii_strcasecmp: locale and case independent string comparison
+ */
+
+int
+ascii_strcasecmp (char *string1, char *string2)
+{
+    int c1, c2;
+    
+    if (!string1 || !string2)
+        return (string1) ? 1 : ((string2) ? -1 : 0);
+    
+    while (string1[0] && string2[0])
+    {
+        c1 = (int)((unsigned char) string1[0]);
+        c2 = (int)((unsigned char) string2[0]);
+        
+        if ((c1 >= 'A') && (c1 <= 'Z'))
+            c1 += ('a' - 'A');
+        
+        if ((c2 >= 'A') && (c2 <= 'Z'))
+            c2 += ('a' - 'A');
+        
+        if ((c1 - c2) != 0)
+            return c1 - c2;
+        
+        string1++;
+        string2++;
+    }
+    
+    return (string1[0]) ? 1 : ((string2[0]) ? -1 : 0);
+}
+
+/*
+ * ascii_strncasecmp: locale and case independent string comparison
+ *                    with max length
+ */
+
+int
+ascii_strncasecmp (char *string1, char *string2, int max)
+{
+    int c1, c2, count;
+    
+    if (!string1 || !string2)
+        return (string1) ? 1 : ((string2) ? -1 : 0);
+    
+    count = 0;
+    while ((count < max) && string1[0] && string2[0])
+    {
+        c1 = (int)((unsigned char) string1[0]);
+        c2 = (int)((unsigned char) string2[0]);
+        
+        if ((c1 >= 'A') && (c1 <= 'Z'))
+            c1 += ('a' - 'A');
+        
+        if ((c2 >= 'A') && (c2 <= 'Z'))
+            c2 += ('a' - 'A');
+        
+        if ((c1 - c2) != 0)
+            return c1 - c2;
+        
+        string1++;
+        string2++;
+        count++;
+    }
+    
+    if (count >= max)
+        return 0;
+    else
+        return (string1[0]) ? 1 : ((string2[0]) ? -1 : 0);
+}
+
+/*
  * wee_log_printf: displays a message in WeeChat log (~/.weechat/weechat.log)
  */
 
@@ -131,7 +203,7 @@ weechat_convert_encoding (char *from_code, char *to_code, char *string)
     size_t inbytesleft, outbytesleft;
     
     if (from_code && from_code[0] && to_code && to_code[0]
-        && (strcasecmp(from_code, to_code) != 0))
+        && (ascii_strcasecmp(from_code, to_code) != 0))
     {
         cd = iconv_open (to_code, from_code);
         if (cd == (iconv_t)(-1))
@@ -418,7 +490,7 @@ wee_parse_args (int argc, char *argv[])
             wee_display_commands (1, 0);
             wee_shutdown (EXIT_SUCCESS, 0);
         }
-        else if ((strncasecmp (argv[i], "irc", 3) == 0))
+        else if ((ascii_strncasecmp (argv[i], "irc", 3) == 0))
         {
             if (server_init_with_url (argv[i], &server_tmp) < 0)
             {
diff --git a/src/common/weechat.h b/src/common/weechat.h
index 9304671a8..80771d700 100644
--- a/src/common/weechat.h
+++ b/src/common/weechat.h
@@ -118,6 +118,8 @@ extern char *local_charset;
 extern gnutls_certificate_credentials gnutls_xcred;
 #endif
 
+extern int ascii_strcasecmp (char *, char *);
+extern int ascii_strncasecmp (char *, char *, int);
 extern void wee_log_printf (char *, ...);
 extern void wee_dump (int);
 extern char *weechat_convert_encoding (char *, char *, char *);
diff --git a/src/common/weeconfig.c b/src/common/weeconfig.c
index 31bd94833..2b181d1ae 100644
--- a/src/common/weeconfig.c
+++ b/src/common/weeconfig.c
@@ -775,7 +775,7 @@ get_pos_array_values (char **array, char *string)
     i = 0;
     while (array[i])
     {
-        if (strcasecmp (array[i], string) == 0)
+        if (ascii_strcasecmp (array[i], string) == 0)
             return i;
         i++;
     }
@@ -926,9 +926,9 @@ config_option_set_value (t_config_option *option, char *value)
     switch (option->option_type)
     {
         case OPTION_TYPE_BOOLEAN:
-            if (strcasecmp (value, "on") == 0)
+            if (ascii_strcasecmp (value, "on") == 0)
                 *(option->ptr_int) = BOOL_TRUE;
-            else if (strcasecmp (value, "off") == 0)
+            else if (ascii_strcasecmp (value, "off") == 0)
                 *(option->ptr_int) = BOOL_FALSE;
             else
                 return -1;
@@ -965,43 +965,43 @@ config_option_set_value (t_config_option *option, char *value)
 void *
 config_get_server_option_ptr (t_irc_server *server, char *option_name)
 {
-    if (strcasecmp (option_name, "server_name") == 0)
+    if (ascii_strcasecmp (option_name, "server_name") == 0)
         return (void *)(&server->name);
-    if (strcasecmp (option_name, "server_autoconnect") == 0)
+    if (ascii_strcasecmp (option_name, "server_autoconnect") == 0)
         return (void *)(&server->autoconnect);
-    if (strcasecmp (option_name, "server_autoreconnect") == 0)
+    if (ascii_strcasecmp (option_name, "server_autoreconnect") == 0)
         return (void *)(&server->autoreconnect);
-    if (strcasecmp (option_name, "server_autoreconnect_delay") == 0)
+    if (ascii_strcasecmp (option_name, "server_autoreconnect_delay") == 0)
         return (void *)(&server->autoreconnect_delay);
-    if (strcasecmp (option_name, "server_address") == 0)
+    if (ascii_strcasecmp (option_name, "server_address") == 0)
         return (void *)(&server->address);
-    if (strcasecmp (option_name, "server_port") == 0)
+    if (ascii_strcasecmp (option_name, "server_port") == 0)
         return (void *)(&server->port);
-    if (strcasecmp (option_name, "server_ipv6") == 0)
+    if (ascii_strcasecmp (option_name, "server_ipv6") == 0)
         return (void *)(&server->ipv6);
-    if (strcasecmp (option_name, "server_ssl") == 0)
+    if (ascii_strcasecmp (option_name, "server_ssl") == 0)
         return (void *)(&server->ssl);
-    if (strcasecmp (option_name, "server_password") == 0)
+    if (ascii_strcasecmp (option_name, "server_password") == 0)
         return (void *)(&server->password);
-    if (strcasecmp (option_name, "server_nick1") == 0)
+    if (ascii_strcasecmp (option_name, "server_nick1") == 0)
         return (void *)(&server->nick1);
-    if (strcasecmp (option_name, "server_nick2") == 0)
+    if (ascii_strcasecmp (option_name, "server_nick2") == 0)
         return (void *)(&server->nick2);
-    if (strcasecmp (option_name, "server_nick3") == 0)
+    if (ascii_strcasecmp (option_name, "server_nick3") == 0)
         return (void *)(&server->nick3);
-    if (strcasecmp (option_name, "server_username") == 0)
+    if (ascii_strcasecmp (option_name, "server_username") == 0)
         return (void *)(&server->username);
-    if (strcasecmp (option_name, "server_realname") == 0)
+    if (ascii_strcasecmp (option_name, "server_realname") == 0)
         return (void *)(&server->realname);
-    if (strcasecmp (option_name, "server_command") == 0)
+    if (ascii_strcasecmp (option_name, "server_command") == 0)
         return (void *)(&server->command);
-    if (strcasecmp (option_name, "server_command_delay") == 0)
+    if (ascii_strcasecmp (option_name, "server_command_delay") == 0)
         return (void *)(&server->command_delay);
-    if (strcasecmp (option_name, "server_autojoin") == 0)
+    if (ascii_strcasecmp (option_name, "server_autojoin") == 0)
         return (void *)(&server->autojoin);
-    if (strcasecmp (option_name, "server_autorejoin") == 0)
+    if (ascii_strcasecmp (option_name, "server_autorejoin") == 0)
         return (void *)(&server->autorejoin);
-    if (strcasecmp (option_name, "server_notify_levels") == 0)
+    if (ascii_strcasecmp (option_name, "server_notify_levels") == 0)
         return (void *)(&server->notify_levels);
     /* option not found */
     return NULL;
@@ -1031,7 +1031,7 @@ config_set_server_value (t_irc_server *server, char *option_name,
     for (i = 0; weechat_options[CONFIG_SECTION_SERVER][i].option_name; i++)
     {
         /* if option found, return pointer */
-        if (strcasecmp (weechat_options[CONFIG_SECTION_SERVER][i].option_name, option_name) == 0)
+        if (ascii_strcasecmp (weechat_options[CONFIG_SECTION_SERVER][i].option_name, option_name) == 0)
         {
             ptr_option = &weechat_options[CONFIG_SECTION_SERVER][i];
             break;
@@ -1043,9 +1043,9 @@ config_set_server_value (t_irc_server *server, char *option_name,
     switch (ptr_option->option_type)
     {
         case OPTION_TYPE_BOOLEAN:
-            if (strcasecmp (value, "on") == 0)
+            if (ascii_strcasecmp (value, "on") == 0)
                 *((int *)(ptr_data)) = BOOL_TRUE;
-            else if (strcasecmp (value, "off") == 0)
+            else if (ascii_strcasecmp (value, "off") == 0)
                 *((int *)(ptr_data)) = BOOL_FALSE;
             else
                 return -2;
@@ -1095,7 +1095,7 @@ config_option_search (char *option_name)
             for (j = 0; weechat_options[i][j].option_name; j++)
             {
                 /* if option found, return pointer */
-                if (strcasecmp (weechat_options[i][j].option_name, option_name) == 0)
+                if (ascii_strcasecmp (weechat_options[i][j].option_name, option_name) == 0)
                     return &weechat_options[i][j];
             }
         }
diff --git a/src/common/weelist.c b/src/common/weelist.c
index e4bf30ef9..2a34937e2 100644
--- a/src/common/weelist.c
+++ b/src/common/weelist.c
@@ -42,7 +42,7 @@ weelist_search (t_weelist *weelist, char *data)
     
     for (ptr_weelist = weelist; ptr_weelist; ptr_weelist = ptr_weelist->next_weelist)
     {
-        if (strcasecmp (data, ptr_weelist->data) == 0)
+        if (ascii_strcasecmp (data, ptr_weelist->data) == 0)
             return ptr_weelist;
     }
     /* word not found in list */
@@ -60,7 +60,7 @@ weelist_find_pos (t_weelist *weelist, char *data)
     
     for (ptr_weelist = weelist; ptr_weelist; ptr_weelist = ptr_weelist->next_weelist)
     {
-        if (strcasecmp (data, ptr_weelist->data) < 0)
+        if (ascii_strcasecmp (data, ptr_weelist->data) < 0)
             return ptr_weelist;
     }
     /* position not found, best position is at the end */