From ac22923c691dfaf40830bedf056ee8948427dced Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Mon, 7 Sep 2015 20:28:55 -0700
Subject: linenoise: Ctrl-Z suspend.

* linenoise.c (key_action): New enum constant, CTRL_Z.
(edit): Implement Ctrl-Z suspend.
---
 linenoise/linenoise.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'linenoise')

diff --git a/linenoise/linenoise.c b/linenoise/linenoise.c
index 5ebd2b62..75479513 100644
--- a/linenoise/linenoise.c
+++ b/linenoise/linenoise.c
@@ -116,6 +116,7 @@
 #include <sys/types.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
+#include <signal.h>
 #include "linenoise.h"
 
 #define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100
@@ -174,6 +175,7 @@ enum key_action {
     CTRL_U = 21,
     CTRL_V = 22,
     CTRL_W = 23,
+    CTRL_Z = 26,
     ESC = 27,
     BACKSPACE =  127
 };
@@ -958,6 +960,12 @@ static int edit(lino_t *l, const char *prompt)
         case CTRL_W:
             edit_delete_prev_word(l);
             break;
+        case CTRL_Z:
+            disable_raw_mode(l);
+            raise(SIGTSTP);
+            enable_raw_mode(l);
+            refresh_line(l);
+            break;
         }
     }
     return l->len;
-- 
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