From bd9c8ddda6a9fc7c3a7c517cac74e292fdae7287 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Wed, 17 Sep 2014 05:48:56 +0200
Subject: [PATCH] Add some GNU readline compat functions for prompt handling
 and redisplay

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 include/editline.h |  7 +++++++
 src/editline.c     | 27 +++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/include/editline.h b/include/editline.h
index 0682ffb..a401531 100644
--- a/include/editline.h
+++ b/include/editline.h
@@ -78,6 +78,13 @@ extern int         el_hist_size; /* size of history scrollback buffer, default:
 extern void rl_initialize(void);
 extern void rl_reset_terminal(const char *terminal_name);
 
+void rl_save_prompt(void);
+void rl_restore_prompt(void);
+void rl_set_prompt(const char *prompt);
+
+void rl_clear_message(void);
+void rl_forced_update_display(void);
+
 extern char *readline(const char *prompt);
 extern void add_history(const char *line);
 
diff --git a/src/editline.c b/src/editline.c
index dee283d..6222532 100644
--- a/src/editline.c
+++ b/src/editline.c
@@ -1134,6 +1134,33 @@ void rl_initialize(void)
     if (el_outfd < 0)  el_outfd = EL_STDOUT;
 }
 
+static const char *rl_saved_prompt = NULL;
+void rl_save_prompt(void)
+{
+    rl_saved_prompt = rl_prompt;
+}
+
+void rl_restore_prompt(void)
+{
+    if (rl_saved_prompt)
+	rl_prompt = rl_saved_prompt;
+}
+
+void rl_set_prompt(const char *prompt)
+{
+    rl_prompt = prompt;
+}
+
+void rl_clear_message(void)
+{
+    /* Nothing to do atm. */
+}
+
+void rl_forced_update_display()
+{
+    redisplay();
+}
+
 char *readline(const char *prompt)
 {
     char *line;