Add -version option

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

2 files changed, 12 insertions, 1 deletions

diff --git a/man/xvinfo.man b/man/xvinfo.man
index 742157b..75c792c 100644
--- a/man/xvinfo.man
+++ b/man/xvinfo.man
@@ -17,6 +17,9 @@ This argument allows you to specify the server to query; see \fIX(__miscmansuffi
 .TP 8
 .B "-short"
 Output less details, to reduce the amount of text.
+.TP 8
+.B "-version"
+Output program version, then exit.
 .SH ENVIRONMENT
 .PP
 .TP 8
diff --git a/xvinfo.c b/xvinfo.c
index bdc69cd..8df7aa6 100644
--- a/xvinfo.c
+++ b/xvinfo.c
@@ -1,3 +1,7 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
 #include <X11/X.h>
 #include <X11/Xlib.h>
 #include <X11/extensions/Xvlib.h>
@@ -9,7 +13,7 @@
 static void _X_NORETURN
 PrintUsage(void)
 {
-    fprintf(stderr, "Usage:  xvinfo [-display host:dpy] [-short]\n");
+    fprintf(stderr, "Usage:  xvinfo [-display host:dpy] [-short] [-version]\n");
     exit(0);
 }
 
@@ -40,6 +44,10 @@ main(int argc, char *argv[])
             }
             else if (!strcmp(argv[i], "-short"))
                 shortmode = 1;
+            else if (!strcmp(argv[i], "-version")) {
+                printf("%s\n", PACKAGE_STRING);
+                exit(0);
+            }
             else {
                 PrintUsage();
             }