From bcc2c44d7b7238bac094a2e33bb26ceade5a429a Mon Sep 17 00:00:00 2001
From: Koki Fukuda <ko.fu.dev@gmail.com>
Date: Wed, 25 Nov 2020 00:04:41 +0900
Subject: [PATCH] Add support for GNU-style command line options

---
 xclip.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xclip.c b/xclip.c
index f326e4b..f4b6b0f 100644
--- a/xclip.c
+++ b/xclip.c
@@ -176,6 +176,14 @@ int clean_requestors() {
 static void
 doOptMain(int argc, char *argv[])
 {
+    /* Support both -option and --option form. */
+    int i;
+    for (i = 1; i < argc; ++i) {
+	if (!strncmp(argv[i], "--", 2)) {
+	    argv[i]++;
+	}
+    }
+
     /* Initialise resource manager and parse options into database */
     XrmInitialize();
     XrmParseCommand(&opt_db, opt_tab, opt_tab_size, PACKAGE_NAME, &argc,