From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Thu, 3 May 2012 22:20:23 +0000 (+0200)
Subject: History deduplication in birdc.
X-Git-Tag: v1.3.8~2^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=064e7be5cd4dffd564b4ea41ba6d843492a55c97;p=thirdparty%2Fbird.git

History deduplication in birdc.
---

diff --git a/client/client.c b/client/client.c
index 7f9e0ef4b..8711cf0ad 100644
--- a/client/client.c
+++ b/client/client.c
@@ -135,6 +135,14 @@ submit_server_command(char *cmd)
   num_lines = 2;
 }
 
+static void
+add_history_dedup(char *cmd)
+{
+  /* Add history line if it differs from the last one */
+  HIST_ENTRY *he = history_get(history_length);
+  if (!he || strcmp(he->line, cmd))
+    add_history(cmd);
+}
 
 static void
 got_line(char *cmd_buffer)
@@ -151,7 +159,7 @@ got_line(char *cmd_buffer)
       cmd = cmd_expand(cmd_buffer);
       if (cmd)
 	{
-	  add_history(cmd);
+	  add_history_dedup(cmd);
 
 	  if (!handle_internal_command(cmd))
 	    submit_server_command(cmd);
@@ -159,7 +167,7 @@ got_line(char *cmd_buffer)
 	  free(cmd);
 	}
       else
-	add_history(cmd_buffer);
+	add_history_dedup(cmd_buffer);
     }
   free(cmd_buffer);
 }