From a7e2f45e6d8eb6658ca28ead9192f6f384db40b1 Mon Sep 17 00:00:00 2001
From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Thu, 24 Aug 2017 10:51:45 +0200
Subject: Implement a -V switch to get the version

---
 memtool.1 | 7 +++++++
 memtool.c | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/memtool.1 b/memtool.1
index f18ba12..0bc0ec3 100644
--- a/memtool.1
+++ b/memtool.1
@@ -2,6 +2,8 @@
 .SH NAME
 memtool \- display and modify memory
 .SH SYNOPSIS
+.B memtool -V
+.br
 .B memtool md
 .RB [\| \-b \||\| \-w \||\| \-l \||\| \-q \|]
 .RB [\| \-x \|]
@@ -35,6 +37,11 @@ the tool, but either the machine or the caller.
 
 .SH OPTIONS
 .TP
+.B \-V
+Dump memtool version and exit
+
+.SH COMMON OPTIONS FOR SUBCOMMANDS
+.TP
 .B \-b
 Use byte wise (8-bit) access
 .TP
diff --git a/memtool.c b/memtool.c
index b790c8e..9dc594d 100644
--- a/memtool.c
+++ b/memtool.c
@@ -479,6 +479,11 @@ int main(int argc, char **argv)
 	if (!strcmp(basename(argv[0]), "memtool")) {
 		argv++;
 		argc--;
+
+		if (!strcmp(argv[0], "-V")) {
+			printf("%s\n", PACKAGE_STRING);
+			return EXIT_SUCCESS;
+		}
 	}
 
 	if (argc < 1) {
-- 
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