From 6d777b75ed322ea5ef0d1674ddfee1b5713cb04f Mon Sep 17 00:00:00 2001
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Sat, 24 Oct 2015 22:01:29 +0200
Subject: [PATCH] xargs: make -I imply -r

Make -I imply -r (GNU findutils seems to do the same).

Fixes the following bug:

        $ echo -n | xargs -I% echo %
        Segmentation fault

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 findutils/xargs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/findutils/xargs.c b/findutils/xargs.c
index 5870b8a16..69f83b128 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -577,6 +577,9 @@ int xargs_main(int argc, char **argv)
 		G.argv = argv;
 		argc = 0;
 		read_args = process_stdin_with_replace;
+		/* Make -I imply -r. GNU findutils seems to do the same: */
+		/* (otherwise "echo -n | xargs -I% echo %" would SEGV) */
+		opt |= OPT_NO_EMPTY;
 	} else
 #endif
 	{
-- 
2.25.1