Add a `bind' builtin command, which is simply a wrapper around libedit's

builtin command of the same name. This allows the key bindings for the
shell's line editor to be changed.

MFC after:	2 weeks

1 files changed, 18 insertions, 0 deletions

diff --git a/bin/sh/histedit.c b/bin/sh/histedit.c
index 37a10bf..ae39c0b 100644
--- a/bin/sh/histedit.c
+++ b/bin/sh/histedit.c
@@ -480,6 +480,16 @@ str_to_event(char *str, int last)
 	}
 	return (he.num);
 }
+
+int
+bindcmd(int argc, char **argv)
+{
+
+	if (el == NULL)
+		error("line editing is disabled");
+	return (el_parse(el, argc, argv));
+}
+
 #else
 #include "error.h"
 
@@ -491,4 +501,12 @@ histcmd(int argc, char **argv)
 	/*NOTREACHED*/
 	return (0);
 }
+
+int
+bindcmd(int argc, char **argv)
+{
+
+	error("not compiled with line editing support");
+	return (0);
+}
 #endif