1 files changed, 69 insertions, 59 deletions

diff --git a/src/common/history.c b/src/common/history.c
index 980b0d1e5..4f1113eec 100644
--- a/src/common/history.c
+++ b/src/common/history.c
@@ -73,67 +73,77 @@ void
 history_add (void *buffer, char *string)
 {
     t_history *new_history, *ptr_history;
-    
-    /* add history to global history */
-    new_history = (t_history *)malloc (sizeof (t_history));
-    if (new_history)
-    {
-        new_history->text = strdup (string);
-        if (cfg_log_hide_nickserv_pwd)
-            history_hide_password (new_history->text);
-        
-        if (history_global)
-            history_global->prev_history = new_history;
-        else
-            history_global_last = new_history;
-        new_history->next_history = history_global;
-        new_history->prev_history = NULL;
-        history_global = new_history;
-        num_history_global++;
-        
-        /* remove one command if necessary */
-        if ((cfg_history_max_commands > 0)
-            && (num_history_global > cfg_history_max_commands))
-        {
-            ptr_history = history_global_last->prev_history;
-            history_global_last->prev_history->next_history = NULL;
-            if (history_global_last->text)
-                free (history_global_last->text);
-            free (history_global_last);
-            history_global_last = ptr_history;
-            num_history_global--;
-        }
+
+    if ( !history_global
+         || ( history_global
+              && ascii_strcasecmp (history_global->text, string) != 0))
+    {    
+	/* add history to global history */
+	new_history = (t_history *)malloc (sizeof (t_history));
+	if (new_history)
+	{
+	    new_history->text = strdup (string);
+	    if (cfg_log_hide_nickserv_pwd)
+		history_hide_password (new_history->text);
+	    
+	    if (history_global)
+		history_global->prev_history = new_history;
+	    else
+		history_global_last = new_history;
+	    new_history->next_history = history_global;
+	    new_history->prev_history = NULL;
+	    history_global = new_history;
+	    num_history_global++;
+	    
+	    /* remove one command if necessary */
+	    if ((cfg_history_max_commands > 0)
+		&& (num_history_global > cfg_history_max_commands))
+	    {
+		ptr_history = history_global_last->prev_history;
+		history_global_last->prev_history->next_history = NULL;
+		if (history_global_last->text)
+		    free (history_global_last->text);
+		free (history_global_last);
+		history_global_last = ptr_history;
+		num_history_global--;
+	    }
+	}
     }
     
-    /* add history to local history */
-    new_history = (t_history *)malloc (sizeof (t_history));
-    if (new_history)
-    {
-        new_history->text = strdup (string);
-        if (cfg_log_hide_nickserv_pwd)
-            history_hide_password (new_history->text);
-        
-        if (((t_gui_buffer *)(buffer))->history)
-            ((t_gui_buffer *)(buffer))->history->prev_history = new_history;
-        else
-            ((t_gui_buffer *)(buffer))->last_history = new_history;
-        new_history->next_history = ((t_gui_buffer *)(buffer))->history;
-        new_history->prev_history = NULL;
-        ((t_gui_buffer *)buffer)->history = new_history;
-        ((t_gui_buffer *)(buffer))->num_history++;
-        
-        /* remove one command if necessary */
-        if ((cfg_history_max_commands > 0)
-            && (((t_gui_buffer *)(buffer))->num_history > cfg_history_max_commands))
-        {
-            ptr_history = ((t_gui_buffer *)buffer)->last_history->prev_history;
-            ((t_gui_buffer *)buffer)->last_history->prev_history->next_history = NULL;
-            if (((t_gui_buffer *)buffer)->last_history->text)
-                free (((t_gui_buffer *)buffer)->last_history->text);
-            free (((t_gui_buffer *)buffer)->last_history);
-            ((t_gui_buffer *)buffer)->last_history = ptr_history;
-            ((t_gui_buffer *)(buffer))->num_history++;
-        }
+    if ( !((t_gui_buffer *)(buffer))->history
+         || ( ((t_gui_buffer *)(buffer))->history
+              && ascii_strcasecmp (((t_gui_buffer *)(buffer))->history->text, string) != 0))
+    {	
+	/* add history to local history */
+	new_history = (t_history *)malloc (sizeof (t_history));
+	if (new_history)
+	{
+	    new_history->text = strdup (string);
+	    if (cfg_log_hide_nickserv_pwd)
+		history_hide_password (new_history->text);
+	    
+	    if (((t_gui_buffer *)(buffer))->history)
+		((t_gui_buffer *)(buffer))->history->prev_history = new_history;
+	    else
+		((t_gui_buffer *)(buffer))->last_history = new_history;
+	    new_history->next_history = ((t_gui_buffer *)(buffer))->history;
+	    new_history->prev_history = NULL;
+	    ((t_gui_buffer *)buffer)->history = new_history;
+	    ((t_gui_buffer *)(buffer))->num_history++;
+	    
+	    /* remove one command if necessary */
+	    if ((cfg_history_max_commands > 0)
+		&& (((t_gui_buffer *)(buffer))->num_history > cfg_history_max_commands))
+	    {
+		ptr_history = ((t_gui_buffer *)buffer)->last_history->prev_history;
+		((t_gui_buffer *)buffer)->last_history->prev_history->next_history = NULL;
+		if (((t_gui_buffer *)buffer)->last_history->text)
+		    free (((t_gui_buffer *)buffer)->last_history->text);
+		free (((t_gui_buffer *)buffer)->last_history);
+		((t_gui_buffer *)buffer)->last_history = ptr_history;
+		((t_gui_buffer *)(buffer))->num_history++;
+	    }
+	}
     }
 }