From e8bfdef6d901431c1d69ef4d70a26451dca6e084 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sun, 13 Sep 2015 07:15:22 -0700
Subject: linenoise: suppress duplicates in Ctrl-R search.

* linenoise/linenoise.c (history_search):
Don't step through identical lines, which
looks as if Ctrl-R is being ignored.
---
 linenoise/linenoise.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'linenoise')

diff --git a/linenoise/linenoise.c b/linenoise/linenoise.c
index 5af71ed0..44f88211 100644
--- a/linenoise/linenoise.c
+++ b/linenoise/linenoise.c
@@ -473,8 +473,14 @@ static int history_search(lino_t *l)
                     }
 
                     {
-                        int ni = next_hist_match(l, hpat, hp, &dp);
-
+                        int ni, sp = hp;
+
+                        do {
+                            ni = next_hist_match(l, hpat, sp, &dp);
+                            sp = ni - 1;
+                        } while (ni >= 0 && hi < l->history_len &&
+                                 ni != hi &&
+                                 strcmp(l->history[hi], l->history[ni]) == 0);
                         if (ni < 0)
                             break;
 
-- 
cgit v1.2.3