Add of "modifier" hook, migration of charset plugin to new API, SIGHUP signal catched (reload all config files), better config files reloading

src/core/wee-command.c

@@ -31,6 +31,7 @@
 #include "weechat.h"
 #include "wee-command.h"
 #include "wee-config.h"
+#include "wee-config-file.h"
 #include "wee-hook.h"
 #include "wee-input.h"
 #include "wee-log.h"
@@ -818,7 +819,7 @@ command_key (void *data, struct t_gui_buffer *buffer,
         else
         {
             gui_chat_printf (NULL,
-                             _("No key found."));
+                             _("No key found"));
         }
         if (internal_code)
             free (internal_code);
@@ -1034,13 +1035,30 @@ command_plugin_list (char *name, int full)
                                          HOOK_COMPLETION(ptr_hook, completion));
                     }
                 }
+
+                /* modifier hooked */
+                hook_found = 0;
+                for (ptr_hook = weechat_hooks[HOOK_TYPE_MODIFIER]; ptr_hook;
+                     ptr_hook = ptr_hook->next_hook)
+                {
+                    if (!ptr_hook->deleted && (ptr_hook->plugin == ptr_plugin))
+                    {
+                        if (!hook_found)
+                            gui_chat_printf (NULL,
+                                             _("    modifiers hooked:"));
+                        hook_found = 1;
+                        gui_chat_printf (NULL,
+                                         "        %s",
+                                         HOOK_MODIFIER(ptr_hook, modifier));
+                    }
+                }
             }
         }
     }
     if (plugins_found == 0)
     {
         if (name)
-            gui_chat_printf (NULL, _("No plugin found."));
+            gui_chat_printf (NULL, _("No plugin found"));
         else
             gui_chat_printf (NULL, _("  (no plugin)"));
     }
@@ -1142,6 +1160,8 @@ int
 command_reload (void *data, struct t_gui_buffer *buffer,
                 int argc, char **argv, char **argv_eol)
 {
+    struct t_config_file *ptr_config_file;
+    
     /* make C compiler happy */
     (void) data;
     (void) buffer;
@@ -1149,28 +1169,26 @@ command_reload (void *data, struct t_gui_buffer *buffer,
     (void) argv;
     (void) argv_eol;
     
-    /* reload WeeChat configuration */
-    if (config_weechat_reload () == 0)
-        gui_chat_printf (NULL,
-                         _("%sWeeChat configuration file reloaded"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_INFO]);
-    else
-        gui_chat_printf (NULL,
-                         _("%sError: failed to reload WeeChat configuration "
-                           "file"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
-    
-    /* reload plugins configuration */
-    if (plugin_config_reload () == 0)
-        gui_chat_printf (NULL, _("%sPlugins options reloaded"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_INFO]);
-    else
-        gui_chat_printf (NULL,
-                         _("%sError: failed to reload plugins options"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
-
-    /* tell to plugins to reload their configuration */
-    hook_signal_send ("config_reload", WEECHAT_HOOK_SIGNAL_STRING, NULL);
+    for (ptr_config_file = config_files; ptr_config_file;
+         ptr_config_file = ptr_config_file->next_config)
+    {
+        if (ptr_config_file->callback_reload)
+        {
+            if ((int) (ptr_config_file->callback_reload) (ptr_config_file) == 0)
+            {
+                gui_chat_printf (NULL, _("%sOptions reloaded from %s"),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_INFO],
+                                 ptr_config_file->filename);
+            }
+            else
+            {
+                gui_chat_printf (NULL,
+                                 _("%sError: failed to reload options from %s"),
+                                 gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                                 ptr_config_file->filename);
+            }
+        }
+    }
     
     return WEECHAT_RC_OK;
 }
@@ -1183,32 +1201,32 @@ int
 command_save (void *data, struct t_gui_buffer *buffer,
               int argc, char **argv, char **argv_eol)
 {
+    struct t_config_file *ptr_config_file;
+    
     /* make C compiler happy */
     (void) data;
     (void) buffer;
     (void) argc;
     (void) argv;
     (void) argv_eol;
-
-    /* save WeeChat configuration */
-    if (config_weechat_write () == 0)
-        gui_chat_printf (NULL,
-                         _("%sWeeChat configuration file saved"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_INFO]);
-    else
-        gui_chat_printf (NULL,
-                         _("%sError: failed to save WeeChat configuration "
-                           "file"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
     
-    /* save plugins configuration */
-    if (plugin_config_write () == 0)
-        gui_chat_printf (NULL, _("%sPlugins options saved"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_INFO]);
-    else
-        gui_chat_printf (NULL,
-                         _("%sError: failed to save plugins options"),
-                         gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
+    for (ptr_config_file = config_files; ptr_config_file;
+         ptr_config_file = ptr_config_file->next_config)
+    {
+        if (config_file_write (ptr_config_file) == 0)
+        {
+            gui_chat_printf (NULL, _("%sOptions saved to %s"),
+                             gui_chat_prefix[GUI_CHAT_PREFIX_INFO],
+                             ptr_config_file->filename);
+        }
+        else
+        {
+            gui_chat_printf (NULL,
+                             _("%sError: failed to save options to %s"),
+                             gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],
+                             ptr_config_file->filename);
+        }
+    }
     
     return WEECHAT_RC_OK;
 }
@@ -1826,7 +1844,7 @@ command_window (void *data, struct t_gui_buffer *buffer,
                     gui_chat_printf (NULL,
                                      _("%sError: can not merge windows, "
                                        "there's no other window with same "
-                                       "size near current one."),
+                                       "size near current one"),
                                      gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]);
                     return WEECHAT_RC_ERROR;
                 }
@@ -1972,7 +1990,7 @@ command_init ()
                      "all plugins, then autoload plugins)\n"
                      "  unload: unload one or all plugins\n\n"
                      "Without argument, /plugin command lists loaded plugins."),
-                  "list|listfull|load|autoload|reload|unload %p",
+                  "list|listfull|load|autoload|reload|unload %f|%p",
                   command_plugin, NULL);
     hook_command (NULL, "quit",
                   N_("quit WeeChat"),

src/core/wee-command.h

@@ -20,6 +20,10 @@
 #ifndef __WEECHAT_COMMAND_H
 #define __WEECHAT_COMMAND_H 1
 
+struct t_gui_buffer;
+
+extern int command_reload (void *data, struct t_gui_buffer *buffer,
+                           int argc, char **argv, char **argv_eol);
 extern void command_init ();
 extern void command_print_stdout ();
 

src/core/wee-config-file.c

@@ -69,7 +69,8 @@ config_file_search (char *filename)
  */
 
 struct t_config_file *
-config_file_new (struct t_weechat_plugin *plugin, char *filename)
+config_file_new (struct t_weechat_plugin *plugin, char *filename,
+                 int (*callback_reload)(struct t_config_file *config_file))
 {
     struct t_config_file *new_config_file;
     
@@ -86,6 +87,7 @@ config_file_new (struct t_weechat_plugin *plugin, char *filename)
         new_config_file->plugin = plugin;
         new_config_file->filename = strdup (filename);
         new_config_file->file = NULL;
+        new_config_file->callback_reload = callback_reload;
         new_config_file->sections = NULL;
         new_config_file->last_section = NULL;
         

src/core/wee-config-file.h

@@ -40,6 +40,8 @@ struct t_config_file
     struct t_weechat_plugin *plugin;       /* plugin which created this cfg */
     char *filename;                        /* config filename (without path)*/
     FILE *file;                            /* file pointer                  */
+    int (*callback_reload)                 /* callback for reloading file   */
+    (struct t_config_file *config_file);
     struct t_config_section *sections;     /* config sections               */
     struct t_config_section *last_section; /* last config section           */
     struct t_config_file *prev_config;     /* link to previous config file  */
@@ -87,8 +89,12 @@ struct t_config_option
     struct t_config_option *next_option;   /* link to next option           */
 };
 
+extern struct t_config_file *config_files;
+extern struct t_config_file *last_config_file;
+
 extern struct t_config_file *config_file_new (struct t_weechat_plugin *plugin,
-                                              char *filename);
+                                              char *filename,
+                                              int (*callback_reload)(struct t_config_file *config_file));
 extern int config_file_valid_for_plugin (struct t_weechat_plugin *plugin,
                                          struct t_config_file *config_file);
 extern struct t_config_section *config_file_new_section (struct t_config_file *config_file,

src/core/wee-config.c

@@ -414,6 +414,25 @@ config_change_day_change ()
     }
 }
 
+/*
+ * config_weechat_reload: reload WeeChat configuration file
+ *                        return:  0 = successful
+ *                                -1 = config file file not found
+ *                                -2 = error in config file
+ */
+
+int
+config_weechat_reload (struct t_config_file *config_file)
+{
+    /* make C compiler happy */
+    (void) config_file;
+    
+    /* remove all keys */
+    gui_keyboard_free_all ();
+    
+    return config_file_reload (weechat_config_file);
+}
+
 /*
  * config_weechat_read_key: read a key in configuration file
  */
@@ -495,7 +514,8 @@ config_weechat_init ()
 {
     struct t_config_section *ptr_section;
     
-    weechat_config_file = config_file_new (NULL, WEECHAT_CONFIG_FILENAME);
+    weechat_config_file = config_file_new (NULL, WEECHAT_CONFIG_FILENAME,
+                                           &config_weechat_reload);
     if (!weechat_config_file)
         return 0;
     
@@ -1159,23 +1179,6 @@ config_weechat_read ()
     return rc;
 }
 
-/*
- * config_weechat_reload: reload WeeChat configuration file
- *                        return:  0 = successful
- *                                -1 = configuration file file not found
- *                                -2 = error in configuration file
- */
-
-int
-config_weechat_reload ()
-{
-    /* remove all keys */
-    gui_keyboard_free_all ();
-    
-    /* reload configuration file */
-    return config_file_reload (weechat_config_file);
-}
-
 /*
  * config_weechat_write: write WeeChat configuration file
  *                       return:  0 if ok
@@ -1185,6 +1188,7 @@ config_weechat_reload ()
 int
 config_weechat_write ()
 {
-    log_printf (_("Saving WeeChat configuration to disk"));
+    log_printf (_("Saving WeeChat configuration to disk (%s)"),
+                weechat_config_file->filename);
     return config_file_write (weechat_config_file);
 }

src/core/wee-hook.c

@@ -256,6 +256,30 @@ hook_valid_for_plugin (struct t_weechat_plugin *plugin, struct t_hook *hook)
     return 0;
 }
 
+/*
+ * hook_exec_start: code executed before a hook exec
+ */
+
+void
+hook_exec_start ()
+{
+    hook_exec_recursion++;
+}
+
+/*
+ * hook_exec_end: code executed after a hook exec
+ */
+
+void
+hook_exec_end ()
+{
+    if (hook_exec_recursion > 0)
+        hook_exec_recursion--;
+    
+    if (hook_exec_recursion == 0)
+        hook_remove_deleted ();
+}
+
 /*
  * hook_search_command: search command hook in list
  */
@@ -362,7 +386,7 @@ hook_command_exec (struct t_gui_buffer *buffer, char *string, int only_builtin)
     }
     argv_eol = string_explode (string, " ", 1, 0, NULL);
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND];
     while (ptr_hook)
@@ -383,10 +407,9 @@ hook_command_exec (struct t_gui_buffer *buffer, char *string, int only_builtin)
             rc = (int) (HOOK_COMMAND(ptr_hook, callback))
                 (ptr_hook->callback_data, buffer, argc, argv, argv_eol);
             ptr_hook->running = 0;
-            if (hook_exec_recursion > 0)
-                hook_exec_recursion--;
-            if (hook_exec_recursion == 0)
-                hook_remove_deleted ();
+            string_free_exploded (argv);
+            string_free_exploded (argv_eol);
+            hook_exec_end ();
             if (rc == WEECHAT_RC_ERROR)
                 return 0;
             else
@@ -399,11 +422,7 @@ hook_command_exec (struct t_gui_buffer *buffer, char *string, int only_builtin)
     string_free_exploded (argv);
     string_free_exploded (argv_eol);
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
     
     /* no hook found */
     return -1;
@@ -530,7 +549,7 @@ hook_timer_exec ()
     
     gettimeofday (&tv_time, NULL);
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_TIMER];
     while (ptr_hook)
@@ -566,11 +585,7 @@ hook_timer_exec ()
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-    
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
 }
 
 /*
@@ -686,7 +701,7 @@ hook_fd_exec (fd_set *read_fds, fd_set *write_fds, fd_set *exception_fds)
 {
     struct t_hook *ptr_hook, *next_hook;
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_FD];
     while (ptr_hook)
@@ -710,11 +725,7 @@ hook_fd_exec (fd_set *read_fds, fd_set *write_fds, fd_set *exception_fds)
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
 }
 
 /*
@@ -776,7 +787,7 @@ hook_print_exec (struct t_gui_buffer *buffer, time_t date, char *prefix,
         return;
     }
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_PRINT];
     while (ptr_hook)
@@ -802,11 +813,7 @@ hook_print_exec (struct t_gui_buffer *buffer, time_t date, char *prefix,
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
 }
 
 /*
@@ -853,7 +860,7 @@ hook_signal_send (char *signal, char *type_data, void *signal_data)
 {
     struct t_hook *ptr_hook, *next_hook;
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_SIGNAL];
     while (ptr_hook)
@@ -874,11 +881,7 @@ hook_signal_send (char *signal, char *type_data, void *signal_data)
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
 }
 
 /*
@@ -923,7 +926,7 @@ hook_config_exec (char *type, char *option, char *value)
 {
     struct t_hook *ptr_hook, *next_hook;
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_CONFIG];
     while (ptr_hook)
@@ -948,11 +951,7 @@ hook_config_exec (char *type, char *option, char *value)
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
-
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    hook_exec_end ();
 }
 
 /*
@@ -1003,7 +1002,7 @@ hook_completion_exec (struct t_weechat_plugin *plugin, char *completion,
     /* make C compiler happy */
     (void) plugin;
     
-    hook_exec_recursion++;
+    hook_exec_start ();
     
     ptr_hook = weechat_hooks[HOOK_TYPE_COMPLETION];
     while (ptr_hook)
@@ -1024,11 +1023,103 @@ hook_completion_exec (struct t_weechat_plugin *plugin, char *completion,
         ptr_hook = next_hook;
     }
     
-    if (hook_exec_recursion > 0)
-        hook_exec_recursion--;
+    hook_exec_end ();
+}
+
+/*
+ * hook_modifier: hook a modifier
+ */
+
+struct t_hook *
+hook_modifier (struct t_weechat_plugin *plugin, char *modifier,
+               t_hook_callback_modifier *callback, void *callback_data)
+{
+    struct t_hook *new_hook;
+    struct t_hook_modifier *new_hook_modifier;
     
-    if (hook_exec_recursion == 0)
-        hook_remove_deleted ();
+    if (!modifier || !modifier[0])
+        return NULL;
+    
+    new_hook = (struct t_hook *)malloc (sizeof (struct t_hook));
+    if (!new_hook)
+        return NULL;
+    new_hook_modifier = (struct t_hook_modifier *)malloc (sizeof (struct t_hook_modifier));
+    if (!new_hook_modifier)
+    {
+        free (new_hook);
+        return NULL;
+    }
+    
+    hook_init_data (new_hook, plugin, HOOK_TYPE_MODIFIER, callback_data);
+    
+    new_hook->hook_data = new_hook_modifier;
+    new_hook_modifier->callback = callback;
+    new_hook_modifier->modifier = strdup (modifier);
+    
+    hook_add_to_list (new_hook);
+    
+    return new_hook;
+}
+
+/*
+ * hook_modifier_exec: execute modifier hook
+ */
+
+char *
+hook_modifier_exec (struct t_weechat_plugin *plugin, char *modifier,
+                    char *modifier_data, char *string)
+{
+    struct t_hook *ptr_hook, *next_hook;
+    char *new_msg, *message_modified;
+    
+    /* make C compiler happy */
+    (void) plugin;
+    
+    new_msg = NULL;
+    message_modified = strdup (string);
+    if (!message_modified)
+        return NULL;
+    
+    hook_exec_start ();
+    
+    ptr_hook = weechat_hooks[HOOK_TYPE_MODIFIER];
+    while (ptr_hook)
+    {
+        next_hook = ptr_hook->next_hook;
+        
+        if (!ptr_hook->deleted
+            && !ptr_hook->running
+            && (string_strcasecmp (HOOK_MODIFIER(ptr_hook, modifier),
+                                   modifier) == 0))
+        {
+            ptr_hook->running = 1;
+            new_msg = (HOOK_MODIFIER(ptr_hook, callback))
+                (ptr_hook->callback_data, modifier, modifier_data,
+                 message_modified);
+            ptr_hook->running = 0;
+            
+            /* empty string returned => message dropped */
+            if (new_msg && !new_msg[0])
+            {
+                free (message_modified);
+                hook_exec_end ();
+                return new_msg;
+            }
+            
+            /* new message => keep it as base for next modifier */
+            if (new_msg)
+            {
+                free (message_modified);
+                message_modified = new_msg;
+            }
+        }
+        
+        ptr_hook = next_hook;
+    }
+    
+    hook_exec_end ();
+    
+    return message_modified;
 }
 
 /*
@@ -1104,6 +1195,11 @@ unhook (struct t_hook *hook)
                     free (HOOK_COMPLETION(hook, completion));
                 free ((struct t_hook_completion *)hook->hook_data);
                 break;
+            case HOOK_TYPE_MODIFIER:
+                if (HOOK_MODIFIER(hook, modifier))
+                    free (HOOK_MODIFIER(hook, modifier));
+                free ((struct t_hook_modifier *)hook->hook_data);
+                break;
             case HOOK_NUM_TYPES:
                 /* this constant is used to count types only,
                    it is never used as type */
@@ -1288,6 +1384,16 @@ hook_print_log ()
                         log_printf ("    completion . . . . . : '%s'", HOOK_COMPLETION(ptr_hook, completion));
                     }
                     break;
+                case HOOK_TYPE_MODIFIER:
+                    log_printf ("  type . . . . . . . . . : %d (modifier)", ptr_hook->type);
+                    log_printf ("  callback_data. . . . . : 0x%x", ptr_hook->callback_data);
+                    if (!ptr_hook->deleted)
+                    {
+                        log_printf ("  modifier data:");
+                        log_printf ("    callback . . . . . . : 0x%x", HOOK_MODIFIER(ptr_hook, callback));
+                        log_printf ("    modifier . . . . . . : '%s'", HOOK_MODIFIER(ptr_hook, modifier));
+                    }
+                    break;
                 case HOOK_NUM_TYPES:
                     /* this constant is used to count types only,
                        it is never used as type */

src/core/wee-hook.h

@@ -34,6 +34,7 @@ enum t_hook_type
     HOOK_TYPE_SIGNAL,                  /* signal                            */
     HOOK_TYPE_CONFIG,                  /* config option                     */
     HOOK_TYPE_COMPLETION,              /* custom completions                */
+    HOOK_TYPE_MODIFIER,                /* stirng modifier                   */
     /* number of hook types */
     HOOK_NUM_TYPES,
 };
@@ -49,6 +50,7 @@ enum t_hook_type
 #define HOOK_SIGNAL(hook, var) (((struct t_hook_signal *)hook->hook_data)->var)
 #define HOOK_CONFIG(hook, var) (((struct t_hook_config *)hook->hook_data)->var)
 #define HOOK_COMPLETION(hook, var) (((struct t_hook_completion *)hook->hook_data)->var)
+#define HOOK_MODIFIER(hook, var) (((struct t_hook_modifier *)hook->hook_data)->var)
 
 struct t_hook
 {
@@ -139,7 +141,16 @@ typedef int (t_hook_callback_completion)(void *data, char *completion,
 struct t_hook_completion
 {
     t_hook_callback_completion *callback; /* completion callback            */
-    char *completion;                  /* name of completion                */
+    char *completion;                     /* name of completion             */
+};
+
+typedef char *(t_hook_callback_modifier)(void *data, char *modifier,
+                                         char *modifier_data, char *string);
+
+struct t_hook_modifier
+{
+    t_hook_callback_modifier *callback; /* modifier callback                */
+    char *modifier;                     /* name of modifier                 */
 };
 
 /* hook variables */
@@ -203,6 +214,13 @@ extern void hook_completion_exec (struct t_weechat_plugin *plugin,
                                   char *completion,
                                   struct t_gui_buffer *buffer,
                                   struct t_weelist *list);
+extern struct t_hook *hook_modifier (struct t_weechat_plugin *plugin,
+                                     char *modifier,
+                                     t_hook_callback_modifier *callback,
+                                     void *callback_data);
+extern char *hook_modifier_exec (struct t_weechat_plugin *plugin,
+                                 char *modifier, char *modifier_data,
+                                 char *string);
 extern void unhook (struct t_hook *hook);
 extern void unhook_all_plugin (struct t_weechat_plugin *plugin);
 extern void unhook_all ();

src/core/wee-string.c

@@ -47,12 +47,12 @@
 
 
 /*
- * strndup: define strndup function if not existing (FreeBSD and maybe other)
+ * string_strndup: define strndup function for systems where this function does
+ *                 not exist (FreeBSD and maybe other)
  */
 
-#ifndef HAVE_STRNDUP
 char *
-strndup (char *string, int length)
+string_strndup (char *string, int length)
 {
     char *result;
     
@@ -68,7 +68,6 @@ strndup (char *string, int length)
     
     return result;
 }
-#endif
 
 /*
  * string_tolower: locale independant string conversion to lower case
@@ -337,7 +336,7 @@ string_remove_quotes (char *string, char *quotes)
     {
         if (pos_end == (pos_start + 1))
             return strdup ("");
-        return strndup (pos_start + 1, pos_end - pos_start - 1);
+        return string_strndup (pos_start + 1, pos_end - pos_start - 1);
     }
     
     return strdup (string);

src/core/wee-string.h

@@ -20,9 +20,7 @@
 #ifndef __WEECHAT_STRING_H
 #define __WEECHAT_STRING_H 1
 
-#ifndef HAVE_STRNDUP
-extern char *strndup (char *string, int length);
-#endif
+extern char *string_strndup (char *string, int length);
 extern void string_tolower (char *string);
 extern void string_toupper (char *string);
 extern int string_strcasecmp (char *string1, char *string2);