From e9af3c7681723244c0ca305d8cc540ad4540ca80 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Fri, 11 Jan 2019 13:59:39 -0500
Subject: Add PSlit for prompt escapes

---
 bin/cash/histedit.c   | 8 ++++++++
 bin/cash/myhistedit.h | 1 +
 bin/cash/var.c        | 3 +++
 3 files changed, 12 insertions(+)

diff --git a/bin/cash/histedit.c b/bin/cash/histedit.c
index 581925d8..4e8ff8b2 100644
--- a/bin/cash/histedit.c
+++ b/bin/cash/histedit.c
@@ -176,6 +176,14 @@ sethistsize(const char *hs)
 	}
 }
 
+void
+setpslit(const char *lit) {
+	if (el != NULL && *lit < 0x20) {
+		el_set(el, EL_PROMPT_ESC, getprompt, *lit);
+		el_set(el, EL_RPROMPT_ESC, getrprompt, *lit);
+	}
+}
+
 void
 setterm(const char *term)
 {
diff --git a/bin/cash/myhistedit.h b/bin/cash/myhistedit.h
index ba39eb0e..8f1305ad 100644
--- a/bin/cash/myhistedit.h
+++ b/bin/cash/myhistedit.h
@@ -40,5 +40,6 @@ extern int displayhist;
 
 void histedit(void);
 void sethistsize(const char *);
+void setpslit(const char *);
 void setterm(const char *);
 
diff --git a/bin/cash/var.c b/bin/cash/var.c
index 54663914..e183eaa3 100644
--- a/bin/cash/var.c
+++ b/bin/cash/var.c
@@ -86,6 +86,7 @@ struct varinit {
 
 #ifndef NO_HISTORY
 struct var vhistsize;
+struct var vpslit;
 struct var vterm;
 #endif
 struct var venv;
@@ -130,6 +131,8 @@ static const struct varinit varinit[] = {
 	{ &vrps2,	VUNSET,				"RPS2=",
 	  NULL },
 #ifndef NO_HISTORY
+	{ &vpslit,	VUNSET,				"PSlit=",
+	  setpslit },
 	{ &vterm,	VUNSET,				"TERM=",
 	  setterm },
 #endif
-- 
cgit 1.4.1