Add -version flag

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

2 files changed, 13 insertions, 1 deletions

diff --git a/man/xset.man b/man/xset.man
index ff46e9f..e9f1c5e 100644
--- a/man/xset.man
+++ b/man/xset.man
@@ -64,6 +64,8 @@ xset - user preference utility for X
 [s {expose|noexpose}] [s {on|off}] [s default] [s activate] [s reset]
 .br
 [q]
+.br
+[-version]
 .SH DESCRIPTION
 This program is used to set various user preference options of the display.
 .SH OPTIONS
@@ -282,6 +284,11 @@ If only one numerical parameter is given, it will be used for the length.
 .B q
 The \fBq\fP option gives you information on the current settings.
 .PP
+.TP 8
+.B -version
+The \fB-version\fP option prints the program version and exits without
+doing anything else.
+.PP
 These settings will be reset to default values when you log out.
 .PP
 Note that not all X implementations are guaranteed to honor all of these
diff --git a/xset.c b/xset.c
index 65f2c94..2301fa1 100644
--- a/xset.c
+++ b/xset.c
@@ -185,6 +185,9 @@ main(int argc, char *argv[])
 	    if (++i >= argc)
 		usage("missing argument to -display");
 	    disp = argv[i];
+	} else if (strcmp(arg, "-version") == 0) {
+	    puts(PACKAGE_STRING);
+	    exit(EXIT_SUCCESS);
 	} else {
 	    hasargs = True;
 	}
@@ -1648,7 +1651,9 @@ usage(const char *fmt, ...)
             "\t s blank              s noblank    s off\n"
             "\t s expose             s noexpose\n"
             "\t s activate           s reset\n"
-            "    For status information:  q\n");
+            "    For status information:  q\n"
+            "    To print version: -version\n"
+        );
     exit(EXIT_SUCCESS);
 }